The patient has an order for oxytocin (Pitocin) to infuse at 7 mu/minute. Available is oxytocin 10 units/1000 mL 0.9% NaCl. At what rate will the nurse set the infusion? ___ mL/hr (If needed, round to the nearest whole number.)

Answers

Answer 1

Answer:

see attachment

Step-by-step explanation:

The Patient Has An Order For Oxytocin (Pitocin) To Infuse At 7 Mu/minute. Available Is Oxytocin 10 Units/1000
Answer 2
Final answer:

The nurse will set the infusion of oxytocin at approximately 117 mL/hr.

Explanation:

To calculate the rate at which the nurse will set the infusion of oxytocin, we can use the formula:

Rate (mL/hr) = (Order dose × Volume ÷ Time)

Substituting the given values:

Order dose = 7 mu/minuteVolume = 1000 mLTime = 60 minutes (since 1 hour has 60 minutes)

After calculating, we find that the nurse will set the infusion at approximately 117 mL/hr.

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Related Questions

what are the values of x and y such that ABCD=PQRS?

Answers

Answer:

  T(x, y) = T(0, -8)

Step-by-step explanation:

The first reflection can be represented as ...

  (x, y) ⇒ (-x, y)

__

The rotation about the origin is the transformation ...

  (x, y) ⇒ (-x, -y)

so the net effect of the first two transforms is ...

  (x, y) ⇒ (x, -y)

__

Then the reflection across y=4 alters the y-coordinate:

  (x, y) ⇒ (x, 8-y)

so the net effect of the three transforms is ...

  (x, y) ⇒ (x, 8+y)

__

In order to bring the figure back to place, we must translate it down 8 units using ...

  (x, y) ⇒ (x, y-8) . . . . net effect: (x, y) ⇒ (x, (8+y)-8) = (x, y)

The translation is by 0 units in the x-direction and -8 units in the y-direction.

PLEASE HELP PRECALCULUS

Analyze the function f(x) = sec 2x. Include:
- Domain and range
- Period and Amplitude
- Two Vertical Asymptotes

WILL MARK BRAINLIEST

Answers

Use the form asec(bx-c)+d to find variables a b c d. now to find period we use the formula

[tex] \\ \binom{2\pi}{ b} [/tex]the period will be

[tex]\pi[/tex]

amplitude is none. Domain x is not equal to

[tex] \frac{\pi}{4} + \frac{n\pi}{2} [/tex]

range

[tex](- \infty , -1) U [1 \infty )[/tex]

vertical asymptotes

[tex]x = \frac{n\pi}{2} [/tex]

where n is integer

Answer:

Domain is [tex]D=\bold R-(n+1)\dfrac{\pi}{2}[/tex]

Range is [tex]R=\bold R-(-1,1)[/tex]

Other details are included in the explanation part.

Step-by-step explanation:

The given function is [tex]f(x) = \rm {sec }\;2\mathit x[/tex].

The function is a secant function which is the reciprocal of cosine function.

The graph of the function is is attached as an image.

The domain of the function is the range of x where it is defined. The domain of the function will be,

[tex]D=\bold R-(n+1)\dfrac{\pi}{2}[/tex] here, R is the real number.

The range of the function is the range of value of function for every value of  x which is,

[tex]R=\bold R-(-1,1)[/tex]

it means that the range is real numbers excluding the range of (-1,+1).

The vertical asymptotes will form where the curve tends to parallel to the y-axis. So, the vertical asymptotes are at [tex](n+1)\dfrac{\pi}{2}[/tex].

The period of the function is [tex]2\pi[/tex] as the function repeats itself after that period.

The function goes to infinity and hence, it doesn't has any amplitude.

For more details, refer the link:

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In a large population of college students, 20% of the students have experienced feelings of math anxiety. If you take a random sample of 10 students from this population, the standard deviation of the number of students in the sample who have experienced math anxiety is:

Answers

Hey there!:

The number of students in the sample who have experienced math anxiety is a binomial distribution  

Bin (n , p) where n = 10 and p = 0.2  

The mean of a binomial distribution is np = 2  

The variance is np (1- p) = 1.6 so the standard deviation is √ 1.6 = 1.265  

mean=2; standard deviation= 1.265

Hope this helps!

The standard deviation of the of the number of students with anxiety in the sample which is the square root of the variance is 1.265

Probability of those who have experienced anxiety :

P(anxiety) ; P = 20% = 0.2

Number of samples, n = 10

The standard deviation can be defined thus :

Standard deviation = √Variance Variance = [np(1 - p)] Variance = [(10 × 0.2 × (1 - 0.2)] = 1.6Standard deviation = √1.6Standard deviation = 1.265

Therefore, the standard deviation of the number of sampled students with anxiety is 1.265

Learn more : https://brainly.com/question/18153040

Find an equation of the vertical line through (-6, -9) in the form ax+ byc, where a, b, and c are integers with no factor common to all three, and az0. The equation is (Type an equation.)

Answers

Answer:

The equation of the vertical line through (-6, -9) is 1x+0y=-6.

Step-by-step explanation:

The standard form of a line is

[tex]ax+by=c[/tex]

where a, b, and c are integers with no factor common to all three, and a>0.

If a vertical line passes through the point (a,b), then the equation of vertical line is x=a.

It is given that the vertical line passes through the point (-6,-9). Here a=-6 and b=-9, so the equation of the vertical line through (-6, -9) is

[tex]x=-6[/tex]

[tex]1x+0y=-6[/tex]

The standard form of the line is 1x+0y=-6. where the value of a,b c are 1, 0, -6 respectively.

Therefore the equation of the vertical line through (-6, -9) is 1x+0y=-6.

Graph the equation by plotting three
points. If all three are correct, the line
will appear.
-y = -x + 1

Answers

Answer:

  (0, -1), (1, 0), (2, 1)

Step-by-step explanation:

I find this easier to do after multiplying the equation by -1:

  y = x - 1

Pick any value for x, then subtract 1 from it to find the corresponding value of y.

WHAT IS THE PROBABILITY OF GETTING EITHER JACK OR A THREE WHEN DRAWING A SINGLE CARD FROM A DECK OF 52 CARDS? WHAT IS THE PROBABILITY THAT THE CARD IS EITHER A JACK OR A THREE?

Answers

Answer:

2/13

Step-by-step explanation:

there are 4 jacks and 4 threes in a standard poker deck.

4+4 is 8

8/52=2/13

The probability of drawing either a Jack or a three from a standard deck of 52 cards is 2/13, because there are 8 such cards in a deck and the total number of cards in the deck is 52.

The question asks for the probability of drawing either a Jack or a three from a standard deck of 52 cards. To solve this, we need to count how many Jacks and threes there are in a deck. Since each suit (hearts, diamonds, clubs, and spades) includes one Jack and one three, there are 4 Jacks and 4 threes in a standard deck. Therefore, there are 8 cards that satisfy the condition (either a Jack or a three).



Since the total number of cards in the deck is 52, the probability of drawing either a Jack or a three is calculated as the number of favorable outcomes (drawing a Jack or a three) divided by the total number of outcomes (drawing any card from the 52-card deck). Thus, the probability is:



Probability = (Number of Jacks + Number of threes) / Total number of cards = (4 + 4) / 52 = 8 / 52 = 2 / 13


Therefore, the probability of drawing either a Jack or a three from a standard deck of 52 cards is 2/13.

b) Find a positive integer n so that 9n=1 mod 26

Answers

Well, 27 = 9*3, and mod 26 leaves a remainder of 1, so [tex]n=3[/tex] is a solution.

Joanne and Ed Greenwood built a new barn with an attached arena. To finance the loan, they paid $1,341 interest on $51,700 at 4%. What was the time using exact interest?

Answers

Answer:237 days

Step-by-step explanation:

Interest=[tex]\$ [/tex]1341

Principal[tex]\left ( P\right )=\$ 51,700[/tex]

rate of interest[tex]\left ( t\right )=4%=0.04[/tex]

We know

Simple Interest=[tex]\frac{P\times r\times t}{365}[/tex]

[tex]time\left ( t\right )[/tex]=[tex]\frac{I\times 365}{P\times r}[/tex]

[tex]time\left ( t\right )[/tex]=[tex]\frac{1341\times 365}{51700\times 0.04}[/tex]

[tex]time\left ( t\right )[/tex]=[tex]236.68 days\approx 237 days[/tex]


Tim has one apple.

Jerry has one apple as well.

Jerry gives Tim his one apple.

How many apples does Tim have now? How about Jerry?

Answers

Answer:

Tim has 2 apples, Jerry has no apple.

Step-by-step explanation:

Given that Tim has 1 apple.

Jerry has 1 apple as well.

After Jerry gives Tim one apple,

Tim has 1 + 1 = 2 apples, and  Jerry has 1 - 1 = 0

Tim has 2 apples, Jerry has no apple.

5. Let A = (x, y), B = {1,2). Find the Cartesian products of A and B: A x B? (Hint: the result will be a set of pairs (a, b) where a E A and b e B)

Answers

Answer: A x B = {(x,1), (x,2), (y,1), (y,2)}

Step-by-step explanation:

The Cartesian product of any two sets M and N is the set of all possible ordered pairs such that the elements of M are first values and the elements of N are the second values.

The Cartesian product of sets M and N is denoted by M × N.

For Example : M = {x,y} and N={a,b}

Then , M × N ={(x,a), (x,b), (y,a), (y,b)}

Given : Let A = {x, y}, B = {1,2}

Then , the Cartesian products of A and B will be :

A x B = {(x,1), (x,2), (y,1), (y,2)}

Hence, the Cartesian products of A and B = A x B = {(x,1), (x,2), (y,1), (y,2)}

Cars enter a car wash at a mean rate of 2 cars per half an hour. What is the probability that, in any hour, exactly 5 cars will enter the car wash? Round your answer to four decimal places.

Answers

Answer:   0.1563

Step-by-step explanation:

The Poisson distribution probability formula is given by :-

[tex]P(X=x)=\dfrac{e^{-\lambda}\lambda^x}{x!}[/tex], where [tex]\lambda[/tex] is the mean of the distribution and x is the number of success

Given : Cars enter a car wash at a mean rate of 2 cars per half an hour.

In an hour, the number of cars enters in car wash = [tex]\lambda=2\times2=4[/tex]

Now, the probability that, in any hour, exactly 5 cars will enter the car wash is given by :-

[tex]P(X=5)=\dfrac{e^{-4}4^5}{5!}=0.156293451851\approx0.1563[/tex]

Therefore, the required probability = 0.1563

Tyree is determining the distance of a segment whose endpoints are A(–4, –2) and B(–7, –7).



Step 1:


Step 2:


Step 3:


Step 4:


Step 5:


Therefore, d = 2.





Which best describes the accuracy of Tyree’s solution?


a Tyree’s solution is accurate.


b Tyree’s solution is inaccurate. In step 1, he substituted incorrectly.


c Tyree’s solution is inaccurate. In step 2, he simplified incorrectly.


d Tyree’s solution is inaccurate. In step 3, he added incorrectly.

Answers

Answer:

Option b Tyree’s solution is inaccurate. In step 1, he substituted incorrectly.

Step-by-step explanation:

we know that

the formula to calculate the distance between two points is equal to

[tex]d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}[/tex]

we have

[tex]A(-4,-2)\\B(-7,-7)[/tex]

step 1

substitute the values in the formula

[tex]d=\sqrt{(-7-(-2))^{2}+(-7-(-4))^{2}}[/tex]

step 2

Simplify

[tex]d=\sqrt{(-7+2)^{2}+(-7+4)^{2}}[/tex]

step 3

[tex]d=\sqrt{(-5)^{2}+(-3)^{2}}[/tex]

step 4

[tex]d=\sqrt{25+9}[/tex]

step 5

[tex]d=\sqrt{34}[/tex]

therefore

Tyree’s solution is inaccurate. In step 1, he substituted incorrectly.

Sarah and Max must decide how to split up 8 cookies. Sarah (we'll call her player 1) makes a proposal to Max (we'll call him player 2), of how many cookies each of them should receive. We assume that each kid is trying to maximize the amount of cookies they receive, and that they must follow the rules below: If Max accepts the proposal, they split the cookies according to that agreement. If Max doesn't accept the proposal, he tells their dad. Their dad will eat 4 of the cookies and then split the rest evenly. Assume that if Max is indifferent between accepting and rejecting, he will always accept the offer. How many cookies will Sarah offer Max

Answers

She would offer to split the cookies evenly, so they each get 4.

If she offered Max less than 4, he would not accept and their dad would eat half, so each person would only get 2 cookies each.

If she offered Max more than 4, then she doesn't maximize the amount she would get.

6. Let A and B be nxn matrices . Compute (A + B) (A + B). Explain all steps.

Answers

Answer:

(A+B)(A+B)=A.A+B.A+A.B+B.B

Step-by-step explanation:

Given that matrices A and B are nxn matrices

We need to find (A+B)(A+B)

For understanding the multiplication of matrices let'take A is mxn and B is pxq matrices,we can multiple only when n=p,so our Ab matrices will be mxq.

We know that that in matrices AB is not equal to BA.

Now find  

(A+B)(A+B)=A.A+B.A+A.B+B.B

So from we can say that (A+B)(A+B) is not equal to A.A+2B.A+B.B because AB is not equal to BA in matrices.

So (A+B)(A+B)=A.A+B.A+A.B+B.B

In a class of 18 students, 5 are math majors. A group of four students is chosen at random. (Round your answers to four decimal places.) (a) What is the probability that the group has no math majors? (b) What is the probability that the group has at least one math major? (c) What is the probability that the group has exactly two math majors?

Answers

Answer:

(a) 0.2721

(b) 0.7279

(c) 0.2415

Step-by-step explanation:

(a) If we choose only one student, the probability of being a math major is [tex]\frac{5}{18}[/tex] (because there are 5 math majors in a class of 18 students). So, the probability of not being a math major is [tex]\frac{18}{18} - \frac{5}{18} = \frac{13}{18}[/tex] (we subtract the math majors of the total of students).

But there are 4 students in the group and we need them all to be not math majors. The probability for each one of not being a math major is [tex]\frac{13}{18}[/tex] and we have to multiply them because it happens all at the same time.

P (no math majors in the group) = [tex]\frac{13}{18} *\frac{13}{18}*\frac{13}{18}*\frac{13}{18} = (\frac{13}{18}) ^4[/tex] = 0.2721

(b) If the group has at least one math major, it has one, two, three or four. That's the complement (exactly the opposite) of having no math majors in the group. That means 1 = P (at least one math major) + P (no math major). We calculated this last probability in (a).

So, P (at least one math major) = 1 - P(no math major) = 1 - 0.2721 = 0.7279  

(c) In the group of 4, we need exactly 2 math majors and 2 not math majors. As we saw in (a), the probability of having a math major in the group is 5/18 and having a not math major is [tex]\frac{13}{18}[/tex]. We need two of both, that's [tex]\frac{5}{18}*\frac{5}{18}*\frac{13}{18}*\frac{13}{18}[/tex]. But we also need to multiply this by the combinations of getting 2 of 4, that is given by the binomial coefficient [tex]\binom{4}{2}[/tex].

So, P (exactly 2 math majors) = [tex]\binom{4}{2}*(\frac{5}{18} )^2*(\frac{13}{18})^2[/tex] = [tex]\frac{4!}{2!2!}*\frac{25}{324}*\frac{169}{324}[/tex] = 0.2415

Bob owns a watch repair shop. have the lowest cost? operating his shop s given by C·2x2 He has found that the cost o 216x + 1 1 243 where C s the cost in dolars, and x s the number of watches repaired How many watches must he re r How many watches must he repair to have the lowest cost?

Answers

Answer:

The number of watches must he repair to have the lowest cost is 54.

Step-by-step explanation:

The cost of operating Bob's shop is given by

[tex]C(x)=2x^2-216x+11243[/tex]

Differentiate the given function with respect to x.

[tex]C'(x)=2(2x)-216(1)+(0)[/tex]

[tex]C'(x)=4x-216[/tex]             ... (1)

Equate C'(x) equal to 0, to find the critical point.

[tex]0=4x-216[/tex]

[tex]216=4x[/tex]

Divide both sides by 4.

[tex]\frac{216}{4}=x[/tex]

[tex]54=x[/tex]

Differentiate C'(x) with respect to x.

[tex]C''(x)=4[/tex]

C''(x)>0, it means the cost of operating is minimum at x=54.

Therefore the number of watches must he repair to have the lowest cost is 54.

A student standing on the edge of a cliff throws a rock downward at a speed of 7.5 m/s at an angle 40° below the horizontal. It takes the rock 2.4 seconds to hit the ground. How tall is the cliff?

Answers

Answer:

42.05 m

Step-by-step explanation:

(see attached)

The office of the coroner is maintained at 21°C. While doing an autopsy on a murder victim, the coroner is killed and the victim's body is stolen. The coroner's assistant discovers his chief's body and finds that its temperature is 31°C. An hour later, the body temperature is down to 29°C. Assuming that the coroner's body temperature was 37°C when he died, use Newton's law of cooling to show that the coroner was killed about two hours and seven minutes before his body was found

Answers

Answer:

t is 2.106284 hours

Step-by-step explanation:

Given data

office maintained temperature (T) = 21°C

body temperature ( t) = 29°C

time = 1 hr

died body temperature (Td) = 37°C

chief's body  temperature (Tc) = 31°C

to find out

show coroner was killed 2 hours and 7 minutes before his body was found

solution

we use here Newton's law of cooling that is

dT/dt = -k (t - T )

now solve this equation and we get value of k i,e

-k (t ) = ln (t-T) / (Tc - T)

we know in 1 hour body temperature change 31°C to the 29°C

so now put value of t and T , Tc to find value of k

-k(1) = ln (29-21) / (31-21)

so -k =  ln (8)/(10)

and k = ln 10/8

and when temp change 37°C to 31°C we will find out time so that is

-kt = ln (31-21) / (37-21)

-ln 10/8 × t = ln (10) / (16)

so -t = ( ln 10/16) / ( ln 10/8 )

-t = −2.106284 approx  two hours and seven minutes

so it is -t = −2.106284 approx  two hou about two hours and seven minutes before his body was found

The numbers​ 1, 2,​ 3, 4, and 5 are written on slips of​ paper, and 2 slips are drawn at random one at a time without replacement. ​(a) Find the probability that the first number is 4​, given that the sum is 9. ​(b) Find the probability that the first number is 3​, given that the sum is 8.

Answers

Answer:

(a)

The probability is :  1/2

(b)

The probability is :  1/2

Step-by-step explanation:

The numbers​ 1, 2,​ 3, 4, and 5 are written on slips of​ paper, and 2 slips are drawn at random one at a time without replacement.

The total combinations that are possible are:

(1,2)   (1,3)    (1,4)    (1,5)

(2,1)   (2,3)   (2,4)   (2,5)

(3,1)   (3,2)   (3,4)   (3,5)

(4,1)   (4,2)   (4,3)   (4,5)

(5,1)   (5,2)   (5,3)   (5,4)

i.e. the total outcomes are : 20

(a)

Let A denote the event that the first number is 4.

and B denote the event that the sum is: 9.

Let P denote the probability of an event.

We are asked to find:

               P(A|B)

We know that it could be calculated by using the formula:

[tex]P(A|B)=\dfrac{P(A\bigcap B)}{P(B)}[/tex]

Hence, based on the data we have:

[tex]P(A\bigcap B)=\dfrac{1}{20}[/tex]

( Since, out of a total of 20 outcomes there is just one outcome which comes in A∩B and it is:  (4,5) )

and

[tex]P(B)=\dfrac{2}{20}[/tex]

( since, there are just two outcomes such that the sum is: 9

(4,5) and (5,4) )

Hence, we have:

[tex]P(A|B)=\dfrac{\dfrac{1}{20}}{\dfrac{2}{20}}\\\\i.e.\\\\P(A|B)=\dfrac{1}{2}[/tex]

(b)

Let A denote the event that the first number is 3.

and B denote the event that the sum is: 8.

Let P denote the probability of an event.

We are asked to find:

               P(A|B)

Hence, based on the data we have:

[tex]P(A\bigcap B)=\dfrac{1}{20}[/tex]

( since, the only outcome out of 20 outcomes is:  (3,5) )

and

[tex]P(B)=\dfrac{2}{20}[/tex]

( since, there are just two outcomes such that the sum is: 8

(3,5) and (5,3) )

Hence, we have:

[tex]P(A|B)=\dfrac{\dfrac{1}{20}}{\dfrac{2}{20}}\\\\i.e.\\\\P(A|B)=\dfrac{1}{2}[/tex]

Using the probability concept, it is found that:

a) 0.5 = 50% probability that the first number is 4​, given that the sum is 9.

b) 0.5 = 50% probability that the first number is 3​, given that the sum is 8.

----------------------------------

A probability is the number of desired outcomes divided by the number of total outcomes.

The possible outcomes are:

(1,2), (1,3), (1,4), (1,5) .

(2,1), (2,3), (2,4), (2,5).

(3,1), (3,2), (3,4), (3,5).

(4,1), (4,2), (4,3), (4,5).

(5,1), (5,2), (5,3), (5,4).

Item a:

There are 2 outcomes with a sum of 9, which are (4,5) and (5,4).On one of them, (5,4), the first term is 4.

Then:

[tex]p = \frac{1}{2} = 0.5[/tex]

0.5 = 50% probability that the first number is 4​, given that the sum is 9.

Item b:

There are 2 outcomes with a sum of 8, (3,5) and (5,3).On one of them, (3,5), the first term is 5.

Then:

[tex]p = \frac{1}{2} = 0.5[/tex]

0.5 = 50% probability that the first number is 3​, given that the sum is 8.

A similar problem is given at https://brainly.com/question/24262336

The population (in millions) of a country in 2007 and the expected continuous annual rate of change k of the population are given. † Country 2007 Population k Paraguay 6.7 0.024 (a) Find the exponential growth model P = Cekt for the population by letting t = 0 correspond to 2000. (Round numerical values to three decimal places.) P = (b) Use the model to predict the population of the country in 2013. (Round your answer to two decimal places.)

Answers

Answer:

  (a)  P = 5.664e^(0.024t)

  (b)  7.74 million

Step-by-step explanation:

(a) We are given the population for t=7, so we can write the equation as ...

  P = 6.7·e^(0.024(t -7))

This can be put in the desired form by factoring out 6.7e^(-0.024·7):

  P = 6.7e^(-0.024·7)e^(0.024t)

  P = 5.664e^(0.024t)

__

(b) Evaluated for t=13, this is ...

  P = 5.664e^(0.024·13) ≈ 7.74 . . . million

Final answer:

The exponential growth model of the population in Paraguay is P = 6.7e0.024*7 = 8.07 (approx). Using this model, we can predict that the population in 2013 will be around 9.34 million.

Explanation:

The subject of the question is related to the mathematical concept of exponential growth. Here, we are given that the population of Paraguay in 2007 was 6.7 million and the continuous annual rate of change 'k' of the population was 0.024.

To find the exponential growth model P = Cekt, where t=0 corresponds to 2000, we use the given data. Here, 'P' is the final population, 'C' is the initial population, 'k' is the rate of growth, and 't' is the time in years. Hence;

P = 6.7e0.024*7 = 8.07 (approx)

We used 7 for 't' as 2007 is 7 years ahead of 2000. Also, we expressed 'k' in percentages and hence k=0.024.

To predict the population of the country in 2013, we put t=13 in the equation (as 2013 is 13 years ahead of 2000).

P = 6.7e0.024*13 = 9.34 (approx)

Therefore, the population of Paraguay is estimated to be around 9.34 million in 2013.

Learn more about Exponential Growth here:

https://brainly.com/question/12490064

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A company produces two types of solar panels per​ year: x thousand of type A and y thousand of type B. The revenue and cost​ equations, in millions of​ dollars, for the year are given as follows.

​R(x,y) = 6x + 8y
​C(x,y) =x^2 − 3xy + 8y^2 + 14x − 50y − 4

Determine how many of each type of solar panel should be produced per year to maximize profit. The company will achieve a maximum profit by selling nothing solar panels of type A and selling nothing solar panels of type B.

Answers

Answer:

x=2, y=4.

2 thousand of A panels and 4 of B.

Step-by-step explanation:

First, the profit is determined by the revenue minus the cost, so built a profit equation with that information.

[tex]P(x,y)=R(x,y)-C(x,y)\\ P(x,y)=6x+8y-x^{2}+3xy-8y^{2} -14x+50y+4\\ P(x,y)=-8x+58y-x^{2} -8y^{2} +3xy+4[/tex]

Then, use the partial derivative criteria to determine which is the maximum.

The partial derivative criteria says that in the local maximum or minimum, the partial derivatives are equal to zero, so:

[tex]P_{x}=-8-2x+3y=0\\  P_{y} =58-16y+3x=0[/tex]

So, let's solve the equation system:

First, isolate x:

Eq. 1 [tex]2x=3y-8[/tex]

Eq. 2[tex]3x=16y-58[/tex]

Multiply equation 1 by (-3) and equation 2 by 2:

[tex]-6x=-9y+24\\ 6x=32y-116[/tex]

Sum the equations:

[tex]0=23y-92\\ y=\frac{92}{23}=4[/tex]

Find x with eq. 1 or 2:

[tex]x=\frac{3y-8}{2}= \frac{3*4-8}{2}=2[/tex]

Final answer:

To maximize profit, we need to find the values of x and y that satisfy the equations for R(x,y) and C(x,y), then substitute them into the profit equation. The maximum profit is achieved at x = 8, y = 3.

Explanation:

To maximize profit, we need to find the values of x and y that maximize the equation P(x,y) = R(x,y) - C(x,y), where P(x,y) represents the profit.

Substitute the equations for R(x,y) and C(x,y) into the profit equation and simplify. We will get: P(x,y) = -x^2 + 9xy - 6y^2 + 6x + 58y + 4.

To find the maximum value of P(x,y), we need to find the critical points. Use partial derivatives to find the critical points and check which ones give the maximum value for profit. The critical point that gives the maximum profit is x = 8, y = 3.

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Jill has a swimming pool in her backyard. It is shaped like a rectangle and measures approximately 16.3 feet wide and 26.2 feet long. It is an average of 5 feet deep. During a few hot weeks during the summer, some water evaporates from the pool, and Jill needs to add 8 inches of water to the depth of the pool, using her garden hose. Although her water pressure varies, the water flows through Jill’s garden hose at an average rate of 10 gallons/minute.

How many liters will Jill need to add to her pool to return the water level to its original depth? How many gallons of water is this? Reminder: Volume = Length x Width x Depth

Answers

Answer:

The dimensions of swimming pool are:

Length = 26.2 feet

Width = 16.3 feet

Height = 5 feet

During a few hot weeks during the summer, some water evaporates from the pool, and Jill needs to add 8 inches of water to the depth of the pool.

We will convert 8 inches o feet.

1 inch = 1/12 feet

So, 8 inch = [tex]8/12=0.66[/tex] feet

Now we have to tell how much water will be there in 0.66 feet depth.

So, volume = [tex]16.3\times26.2\times0.66=281.86[/tex] cubic feet.

1 cubic feet has 7.480 gallons

So, 281.86 cubic feet will have [tex]281.86\times7.480=2108.31[/tex] gallons of water.

The volume is the product of the area of the top of the pool and the

height of water added which is approximately 8,062 liters.

Response:

The volume of water Jill needs to add is 8,062 litersThe volume in gallons is 2,129.8 gallons

How can the required volume that Jill  needs to add be calculated?

The given dimensions of the pool are;

Width of the pool = 16.3 feet

Length of the pool = 26.2 feet

Height of water to be added = 8 inches

Required:

The volume of water to be added in liters

Solution:

First part

1 feet = 12 inches

Therefore;

[tex]8 \ inches = \dfrac{8}{12} \ feet = \mathbf{ \dfrac{2}{3} \ feet}[/tex]

Therefore;

Volume of water added is therefore;

Volume, V = Length × Width × Depth

[tex]V = 16.3 \times 26.2 \times \dfrac{2}{3} = \mathbf{284\frac{53}{75}}[/tex]

Therefore;

The volume added, V = [tex]\mathbf{284\frac{53}{75}}[/tex] ft.³

1 ft.³ = 28.31685 L

Therefore;

[tex]284\frac{53}{75} \, ft.^3 = 284\frac{53}{75} \times 28.31685 \ L \approx \mathbf{8062 \, L}[/tex]

The volume of water that Jill needs to add to her pool is approximately 8062 L.

Second part

1 L = 0.264172 gallons

8062 L = 8062 × 0.264172 gallons ≈ 2129.8 gallons

The volume of water added to the pool in gallons is approximately 2,129.8 gallons

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A highly selective boarding school will only admit students who place at least 2.5 standard deviations above the mean on a standardized test that has a mean of 300 and a standard deviation of 24. What is the minimum score that an applicant must make on the test to be​ accepted?

Answers

Answer:

The minimum score that an applicant must make on the test to be​ accepted is 360.

Step-by-step explanation:

Given : A highly selective boarding school will only admit students who place at least 2.5 standard deviations above the mean on a standardized test that has a mean of 300 and a standard deviation of 24.

To find : What is the minimum score that an applicant must make on the test to be​ accepted?

Solution :

We apply the z formula,

[tex]z=\frac{x-\mu}{\sigma}[/tex]

Where, z value= 2.5

[tex]\mu=300[/tex] is the mean of the population

[tex]\sigma=24[/tex] is the standard deviation

x is the sample mean.

Substituting the values in the formula,

[tex]2.5=\frac{x-300}{24}[/tex]

[tex]2.5\times24=x-300[/tex]

[tex]60=x-300[/tex]

[tex]x=60+300[/tex]

[tex]x=360[/tex]

Therefore, The minimum score that an applicant must make on the test to be​ accepted is 360.

The minimum score that an applicant must make on the test to be​ accepted is 360 and this can be determined by using the z formula.

Given :

A highly selective boarding school will only admit students who place at least 2.5 standard deviations above the mean on a standardized test that has a mean of 300 and a standard deviation of 24.

The formula of z can be used in order to determine the minimum score that an applicant must make on the test to be​ accepted. The z formula is given by:

[tex]\rm z = \dfrac{x - \mu}{\sigma}[/tex]

Now, substitute the values of the known terms in the above formula.

[tex]2.5=\dfrac{x - 300}{24}[/tex]

Cross multiply in the above equation.

[tex]2.5\times 24 = x - 300[/tex]

60 = x - 300

x = 360

So, the minimum score that an applicant must make on the test to be​ accepted is 360.

For more information, refer to the link given below:

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Find the mean for the following group of data items. 4.1, 8.9, 3.2, 1.9, 7.3, 6.3, 6.7, 8.6, 3.2, 2.3, 5.9 (Round to 3 decimal places as needed.) The mean is

Answers

Answer:

The mean is 5.309.

Step-by-step explanation:

Given group of data,

4.1, 8.9, 3.2, 1.9, 7.3, 6.3, 6.7, 8.6, 3.2, 2.3, 5.9,

Sum = 4.1+ 8.9 + 3.2 + 1.9 + 7.3 + 6.3 + 6.7 + 8.6 + 3.2 + 2.3 + 5.9 = 58.4,

Also, number of observations in the data = 11,

We know that,

[tex]Mean=\frac{\text{Sum of all observation}}{\text{Total observations}}[/tex]

Hence, the mean of given data = [tex]\frac{58.4}{11}=5.30909\approx 5.309[/tex]

2. Provide an appropriate response.

Find f"(x) for f(x) = 4x - 6.

A. f''(x) = 4 B. f''(x)=4/x C. f''(x)=4x^3 - 6x^2 D.f''(x) = 0

Answers

Answer: Option 'D' is correct.

Step-by-step explanation:

Since we have given that

[tex]f(x)=4x-6\\[/tex]

We need to find the double derivative i.e. f''(x).

So, we first derivate the f(x) w.r.t. x:

[tex]f(x)=4x-6\\\\f'(x)=4[/tex]

Now, we again derivative the f'(x) w.r.t x :

[tex]f''(x)=0[/tex]

(Because f'(x) has no term with variable x)

Hence, Option 'D' is correct.

Please help me with this

Answers

Answer:

Option 1: triangle HFG is congruent to triangle KIJ

Step-by-step explanation:

F and I are same as they are on 90 degrees.

In figure 1, from I to K is the height of the triangle.

In figure 2, from F to H is the height of the triangle.

Therefore, IK is congruent to FH

In figure 1, I to J is the base of the triangle from 90 degrees.

In figure 2, F to G is the base of the triangle from 90 degrees.

Therefore, IJ is congruent to FG

Therefore, triangle HFG is congruent to triangle KIJ.

The first option is correct.

!!

Find the derivative of the function by using the product rule. Do not find the product before finding the derivative. yequalsleft parenthesis 6 x plus 5 right parenthesis left parenthesis 8 x minus 2 right parenthesis StartFraction

Answers

Answer:

96x+28

Step-by-step explanation:

Given function,

[tex]y=(6x+5)(8x-2)[/tex]

Differentiating with respect to x,

[tex]\frac{dy}{dx}=\frac{d}{dx}[(6x+5)(8x-2)][/tex]

By the product rule of derivatives,

[tex]\frac{dy}{dx}=\frac{d}{dx}(6x+5).(8x-2)+(6x+5).\frac{d}{dx}(8x-2)[/tex]

[tex]\frac{dy}{dx}=6(8x-2)+(6x+5)8[/tex]

[tex]\frac{dy}{dx}=48x-12+48x+40[/tex]

[tex]\frac{dy}{dx}=96x+28[/tex]

Hence, the derivative of the given function is 96x+28.

The radius of a 10 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.1 inch. Use linear approximation or differentials to determine the possible error in the volume of the cylinder. Include units in your answer.

Answers

Answer:

502.4 ± 30.14 in^3

Step-by-step explanation:

r = 4 in, h = 10 in

error = ± 0.1 inch

Volume of a cylinder, V = π r² h

Take log on both the sides

log V = log π + 2 log r + log h

Differentiate both sides

dV/V = 0 + 2 dr/r + dh /h

dV/V = 2 (± 0.1) / 4 + (± 0.1) / 10

dV/V = ± 0.05 ± 0.01 = ± 0.06 .... (1)

Now, V = 3.14 x 4 x 4 x 10 = 502.4 in^3

Put in equation (1)

dV = ± 0.06 x 502.4 = ± 30.144

So, V ± dV = 502.4 ± 30.14 in^3

Let A = {b, c, d, f, g}, B = {a, b, c}.

a) Find (A u B)

b) Find (A n B)

c) A – B

d) B – A

Answers

[tex]A\cup B=\{a,b,c,d,f,g\}\\A\cap B=\{b,c\}\\A\setminus B=\{d,f,g\}\\B\setminus A=\{a\}[/tex]

100% is 75 oranges what percent is 250 oranges?

Answers

Answer:

x=333.33%

Step-by-step explanation:

hello

you can resolve this by using the rule of 3,let´s see

75 oranges =100%

250 oranges = x%?

75 oranges* x%=250 oranges *100%

[tex]x=\frac{250*100}{75}[/tex]

x=333.33%

Have a great day.

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