In the morning,a farm worker packed 3 pints of strawberries every 4 minutes.In the after afternoon,she packed 2 pints of strawberries every 3 minutes.What was the difference between her morning and afternoon packing rates in pints per hour?

Answers

Answer 1

(3 pt)/(4/60 h) -(2 pt)/(3/60 h) = (180/4 pt/h) -(120/3 pt/h)
= 45 pt/h -40 pt/h
= 5 pt/h

Related Questions

The sum of a number (n) and 20 is 55. Which equation shows this relationship?

Answers

sum is an addition
n + 20 = 55

The access code for a car's security system consists of sixsix digits. the first digit cannot be zerozero and the last digit must be oddodd. how many different codes are available?

Answers

There are six digits. The first can be anything but 0. There are 9 other choices.
Are repetitions allowed? Is 999999 permitted.

Repetitions allowed.
9 * 10 * 10 * 10 * 10 * 5 The last digit must be odd.
450,000 <<<< answer.

No repetitions
Sorry this requires more thought.

Ben has 1/2 of a loaf of bread if he and his 3 friends share the 1/2 loaf equally how much of the whole loaf does each person get?

Answers

Given:
1/2 loaf of bread
3 friends

1/2 ÷ 3 ⇒ 1/2 * 1/3 = 1*1 / 2*3 = 1/6

In dividing fractions, get the reciprocal of the divisor and multiply it to the dividend

To find the answer use division

1/2 ÷ 3
or
1/2 ÷ 3/1

To divide fractions use Copy Dot Flip

Copy
1/2 ÷ 3/1

Dot
1/2 · 3/1

Flip
1/2 · 1/3
1/6 is your answer

What is the center of the circle represented by this equation? x^2 + (y + 9)^2 = 25 A) (3, 5) B) (0, 25) C) (9, 25) D) (0, -9)

Answers

the equation of the circle is in form:

(x-h)² + (y-k)² = r²

(h,k) are the center and r is the radius.

So from the given equation we can see that the center is at (0,-9).

Hope this helps :)

You are deciding on two different designs for envelopes.

a. Which design has the greater area?
The area of the first design is
52 square inches and the area of the second design is
61.375 square inches.

b. You make 500 envelopes using the design with the greater area. Using the same amount of paper, how many more envelopes can you make with the other design?

Please answer part b with the information given.
-A student in need

Answers

You would be able to make 90 more envelopes

The area of the two designs are given as 52 square inches and 61.375 square inches.

In these the second design 61.375 square inches is having the greater area.

If 500 envelops are made then area of paper = 61.375x500 =30687.5 square inches.

If envelops having 52 square inches are made out of 30687.5 square inches of paper ,number of envelops made =30687.5 ÷ 52=590.144

590 small envelops can be made having area as 52 square inches.

It is 590-500=90 more than the larger envelops made.

What is the amplitude of the function below?

Answers

The amplitude is 2 or B.

ANSWER

The amplitude is
[tex]2[/tex]

EXPLANATION

The amplitude is the height of the function from the centre line which is
[tex]y = 0[/tex]

to the peak or trough of the graph, which is
[tex]y = 2[/tex]
This means that,
[tex]amplitude = |2 - 0| = 2[/tex]

Or

The amplitude is distance between the lowest point on the graph and the highest point on the graph divided by 2.

[tex]amplitude = \frac{1}{2} |2 - - 2| = \frac{1}{2} \times 4 = 2[/tex]

A pitcher of fruit punch holes 2 gallons of nine people share the entire pitcher equally how much punch does each person get?

Answers

Well, first you must divide the amount of gallons by the amount of people.
2/9 = 2/9 gallons which would be about 3.5 cups.

(Personally I would do 2/9 cups)

Wastewater is filling barrels at the rate of 11 quarts per hour. The recycling facility picks up 120 full barrels on each trip, and each barrel holds 12 quarts of wastewater. How many days are between each pickup? Show your work to receive full credit. (10 points)

Answers

(1 h)/(11 qt) * (12 qt)/(1 barrel) * (120 barrels/pickup) * (1 day)/(24 h)
.. = 12*120/(11*24) day/pickup
.. = 5 5/11 days/pickup

120 barrels will be filled every 5 5/11 days. Some trips will be 5 days apart, some trips will be 6 days apart.

What is the value of a, if a2 – 64 = 0 and a > 0?

Answers

a^2 -64 = 0

isolate the a

a² - 64 (+64) = 0 (+64)

a² = 64

√a² = √64

a = √64

a = 8

hope this helps

|x+18|=1

PLEASE HELP EVERYONE, ONLY ONE ATTEMPT TO GO!!!!!!!
40POINTS******************
tHE LINES ARE ABSOLUTE VALUE

Answers

Solve for x over the real numbers:
abs(x + 18) = 1

Split the equation into two possible cases:
x + 18 = 1 or x + 18 = -1

Subtract 18 from both sides:
x = -17 or x + 18 = -1

Subtract 18 from both sides:
Answer: x = -17 or x = -19

_________________________________

Solve for x over the integers:
abs(x + 18) = 1

Split the equation into two possible cases:
x + 18 = 1 or x + 18 = -1

Subtract 18 from both sides:
x = -17 or x + 18 = -1

Subtract 18 from both sides:

Answer: x = -17 or x = -19

The absolute value, or modulus, of a number is its distance from zero, or essentially its magnitude.

The absolute value produces a positive answer.

We have this definition for the absolute value, taking into account its different values for different signs:

[tex]|x|= \left \{ {{x, \ \ \ x \ \geq \ 0} \atop {-x, \ \ \ x \ \ \textless \ \ 0}} \right.[/tex]

Thus, for [tex]|x+18|=1[/tex], we split the absolute value as such:

[tex]x+18=1[/tex] and [tex]x+18=-1[/tex]

We solve each case.

[tex]x=-17[/tex] and [tex]x=-19[/tex]

We check these solutions.

[tex]|-17+18|=1\\|1|=1\\1=1[/tex]
and
[tex]|-19+18|=1\\|-1|=1\\1=1[/tex]

A bag contains 2 red balls and 18 green balls. A ball is chosen at random from the bag. What is the BEST answer for the probability of drawing a green ball?

Answers

20 balls total

18 green

18/20 = 9/10 probability

There are 20 total balls in the bag, and 18 of these 20 balls are green. Therefore, the probabability of choosing a green ball is 18/20, which simplifies to 9/10 (if you divide both the numerator and denominator by the greatest common factor of 2).

Thirty runners compete in a cross country race. your school has five runners in the race. what is the probability that three runners from your school place first, second, and third.

Answers

Final answer:

The probability that three runners from the same school finishing first, second, and third can be calculated as the product (5/30) * (4/29) * (3/28). This uses the principles of probability in mathematics.

Explanation:

The problem involves the concept of probability in Mathematics. Let's break this question down using the principles of probability.

For the first runner to be from your school, the probability would be 5/30 as there are 5 runners from your school out of 30 total runners. After one runner from your school has won, there are now 4 runners left from your school and 29 total runners left. So, the probability of the second runner being from your school is 4/29. Similarly, the probability that the third runner is also from your school is 3/28 since there are now three left from your school and 28 in total.

The final probability is the product of all three of these probabilities, so:

P(all three top spots are from your school) = (5/30) * (4/29) * (3/28), which needs to be calculated to get the final result.

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The result is 0.00246, or about 0.25% chance.

To find the probability that three runners from your school place first, second, and third in a race with 30 runners, we need to consider the number of ways to select these three positions from your school's five runners and divide it by the total number of ways to select any three runners from all 30 participants.

Calculate the number of ways to choose 3 runners out of the 5 from your school:

[tex]C(5, 3) = $ \frac{5!}{3!(5-3)!} $ = 10[/tex]

Calculate the number of ways to arrange these 3 runners in the first, second, and third positions. This is equal to the number of permutations of 3 elements:

P(3) = 3! = 6

Calculate the total number of ways to choose 3 runners out of the 30 participants:

[tex]C(30, 3) = $ \frac{30!}{3!(30-3)!} $ = 4060[/tex]

Calculate the number of ways to arrange these 3 runners in the first, second, and third positions:

P(3) = 3! = 6

Finally, calculate the probability that 3 runners from your school place first, second, and third:

[tex]Probability = $ \frac{C(5, 3) \times P(3)}{C(30, 3) \times P(3)} $ = $ \frac{10 \times 6}{4060 \times 6} $ = $ \frac{10}{4060} $ = $ \frac{1}{406} $[/tex]

Thus, the probability is approximately 0.00246 (or 1/406).

Define the formula for a parabola (a quadratic function) that has horizontal intercepts (roots) at x = − 8 x=-8 and x = − 4 x=-4 and passes through the point ( 0 , − 7 ) (0,-7) .

Answers

The form of it will be
.. y = a(x +8)(x +4)
At x=0, this is
.. -7 = 32a
.. a = -7/32

The formula is
.. f(x) = (-7/32)(x +8)(x +4)

Final answer:

The formula for a parabola with roots at x=-8 and x=-4, and which passes through the point (0,-7), is y = -7/32(x + 4)(x + 8).

Explanation:

The formula we're looking for is in the form of a quadratic function, generally expressed as

y = ax² + bx + c. Our roots are -8 and -4, which we represent in the factors of the equation as (x + 4) and (x + 8). As coefficients multiply to a, we seek a that makes our function pass through the specific point (0, -7). Thus, we substitute the point into the function giving -7 = a(0+4)(0+8) leading us to a = -7/32. So, the equation of the parabola asked is

y = -7/32(x + 4)(x + 8).

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Four friends earned $5.20 for washing a car. They shared the money equally. How much did each friend get?

Answers

each friend got $1.30 I hope this helps!!!!

Each friend earned $1.30
5.20 divided by 4 equals 1.3

Find the trace on the xy-plane of the sphere having center at (−1, 3, −1) and radius 2.

Answers

Hi,

The sphere has for equation :(x+1)²+(y-3)²+(z+1)²=4
The xy plane has for equation z=0
The trace off the sphere in the xyplane is
(x+1)²+(y-3)²=4 (the circle of center (-1,3,0) &nd 2 as radius)

Final answer:

The trace on the xy-plane of a sphere with center (-1, 3, -1) and radius 2 is a circle with center (-1, 3) and radius 2, represented by the equation (x + 1)² + (y - 3)² = 4.

Explanation:

The question asks to find the trace on the xy-plane of the sphere having a center at (-1, 3, -1) and a radius 2.

The trace on the xy-plane of a sphere is essentially the circle that is formed when the sphere intersects the xy-plane.

Since the center of the sphere is (-1, 3, -1), and the sphere intersects the xy-plane (z=0), we keep the x and y coordinates of the center the same for the circle, meaning the center of the circle will be (-1, 3). The radius of the circle remains the same as the sphere, which is 2.

The equation for a circle in the xy-plane with center (h, k) and radius r is given by (x - h)² + (y - k)² = r².

Therefore, plugging in the values for this specific circle gives us the equation (x + 1)² + (y - 3)² = 4.

This equation represents the trace of the sphere on the xy-plane.

Find two numbers, if their sum is (−1/3) and their difference is 18

Answers

x + y = - 0.3333333 That's the decimal equivalent of - 1/3
x - y = 18 Add these two together.
2x = 17.66666 Divide by 2
x = 8.833333

8.83333 + y = - 0.333333
y = - 0.333333 - 8.83333
y = - 9.16666

You should check this using the difference.
It will not come out exactly, but you do get a bunch of nines.

HELP PLEASE , THANK YOU IF YOU DO!!!!

Answers

The third one down, but you would be far better off just using the original quest.

5 goes right 5 units and that's where you begin.
-6 goes left and that's where you end up.
The answer is minus 1.

A number line works best when you are dealing with 1 sign between numbers. Two signs will only confuse you.

If f(x) = −2 + 8, what is f(−1.8)?

Answers

As the question is written,
.. f(-1.8) = -2 +8 = 6

We suspect x is missing. Perhaps you intend
.. f(x) = -2x +8
.. f(-1.8) = -2(-1.8) +8 = 11.6

Judy can decorate 6 cakes in 3 hours. Exactly how many cakes can Judy decorate in 3/4 of an hour?

Answers

Just can decorate 2 full cakes. 6 divides by 3 is 2. So she decorated 2 per hour. If you do the work it’s 2 divided by 0.75 (3/4) you get 2 2/3. But that’s not a full 3 cakes so only 2. Glad to help!

She can decorate exactly 1 and a half cakes in 3/4 of an hour

andy earned $38 on monday and $34 on tuesday.how many lucky bamboo plants can he buy with the total money he earned?

Answers

How much does each bamboo plant cost. This is impossible to solve without knowing the cost. I you have the cost i would be happy to help.

on wednesday, 30 students went to after school tutoring. on thursday, 6 students went. what is the percent decrease in the numbers of students who went to toturing?

Answers

Answer:

the number decreased by 80%

Step-by-step explanation:

The percentage change can be computed using ...

percent change = ((new value)/(old value) -1) × 100%

Putting the given numbers into this equation gives ...

percent change = (6/30 -1) × 100% = -4/5 × 100%

percent change = -80%

A negative sign on the percent change means the change was a decrease. The number of students who went to tutoring decreased by 80%.

Answer:

thanks

Step-by-step explanation:

What is the area of the figure below? Please explain!

Answers

6 +2.5 = 8.5

the horizontal line is 2.5 +2.5 = 5m
(use Pythagorean theorem)

area = 8.5 * 5 = 42.5 / 2 = 21.25 m^2

answer is the 3rd choice

area = 8.5 * 5 = 42.5 / 2 = 21.25 m^2

therefore the correct answer is C

hope this helps :)

Please help me with this question:

Riley made a scale drawing of a triangular clock face. Riley used a scale factor of 3 when making her drawing. If the base and the height of Riley's drawing are 10 centimeters and 15 centimeters respectively, what is the area of the triangular clock face?
A. 75 square centimeters
B. 225 square centimeters
C. 675 square centimeters
D. 2,700 square centimeters

Answers

we know that
[scale factor ]=[real]/[drawing]
[real]=[drawing]*[scale factor ]

step 1
find the real values

if the base of Riley's drawing is 10 centimeters
[real]=[drawing]*[scale factor ]--------> 10*3-------> 30 cm
the base of the triangular clock face is 30 cm

the height of Riley's drawing is 15 centimeters
[real]=[drawing]*[scale factor ]--------> 15*3-------> 45 cm
the height of the triangular clock face is 30 cm

the area of the triangular clock face is-----> 45*30/2-------> 675 cm²

the answer is the option C. 675 square centimeters

Find the absolute maximum and minimum of values of the set
d. f(x,y)= 2x^2+y^2-4x-2y+1 d={(x,y) | 0 <= 3, 0 <= y <= 2}

Answers

Find the critical points within the region:

[tex]f(x,y)=2x^2+y^2-4x-2y+1[/tex]
[tex]\implies\begin{cases}f_x=4x-4=0\implies x=1\\f_y=2y-2=0\implies y=1\end{cases}[/tex]

So (1, 1) is the only critical point of the function and it happens to fall within the rectangle [tex]D[/tex]. At this point, we get a value of [tex]f(1,1)=-2[/tex].

Now check along the boundaries for potential extreme values.

If [tex]x=0[/tex], then [tex]f(0,y)=y^2-2y+1=(y-1)^2[/tex], which has a maximum when [tex]y=2[/tex] and has a minimum when [tex]y=1[/tex]. So we have a potential extrema at [tex]f(0,2)=1[/tex] and [tex]f(0,1)=0[/tex].

If [tex]x=3[/tex], then [tex]f(3,y)=y^2-2y+7=(y-1)^2+6[/tex], with a max when [tex]y=2[/tex] and min when [tex]y=1[/tex]. So we have [tex]f(3,2)=7[/tex] and [tex]f(3,1)=6[/tex].

If [tex]y=0[/tex], then [tex]f(x,0)=2x^2-4x+1=2(x-1)^2-1[/tex], with a max when [tex]x=3[/tex] and a min when [tex]x=1[/tex]. So we have [tex]f(3,0)=7[/tex] and [tex]f(1,0)=-1[/tex].

If [tex]y=2[/tex], then [tex]f(x,2)=2x^2-4x+1=2(x-1)^2-1[/tex] again, with a max when [tex]x=3[/tex] and a min when [tex]x=1[/tex]. So we have, again, [tex]f(3,2)=7[/tex] and [tex]f(1,2)=-1[/tex].

So there are absolute maxima of 7 at (3, 0) and (3,2), and an absolute minimum of -2 at (1, 1).

I’m going to cook a turkey for 14 people and I want to allow 3/4ib of turkey for each person 1ib=450g what size will I need

Answers

In pounds, 14*(3/4) lb = 10.5 lb

In kg, (10.5 lb)*(0.450 kg/lb) ≈ 4.73 kg

_____
In grams, with your conversion factor, it is 4725 grams. Using the proper conversion factor, it is about 4762.7 grams, almost 4.8 kg.

Final answer:

To find the size of turkey needed for 14 people, multiply their serving size by the number of people and convert it from pounds to grams

Explanation:

To calculate the size of turkey you will need, you first need to find the total weight of the turkey required for 14 people. Since you want to allow 3/4 lb of turkey for each person, the total weight of turkey required will be 14 * 3/4 lb.

Now, 1 lb is equal to 450g. So, to convert the weight from pounds to grams, you can multiply the weight in pounds by 450.

Therefore, to find the size of turkey you will need, multiply the total weight of turkey required in pounds (14 * 3/4) by 450. This will give you the answer in grams.

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A survey found that 25% of pet owners had their pets bathed proffesionally rather than doing it themselves. If 18 pet owners are randomly selected, the probability that exactly 5 people have their pets bathed proffesionally is

A. 19.99%
B. 19.88%
C. 18.99%
D. 18.88%

Answers

The probability is 19.88%.

This is a binomial distribution, because there are two outcomes, the events are independent of each other, and there is a fixed number of trials. The binomial distribution is given by:

[tex](_k^n)p^k(1-p)^{n-k}[/tex]

For this, n is 18; k is 5; p is 0.25:
[tex](_5^{18})(0.25)^5(1-0.25)^{18-5} \\ \\=\frac{18!}{5!13!}(0.25)^5(0.75)^{13} \\ \\=8568(0.25)^5(0.75)^{13} \\=0.1988=19.88%[/tex]

Find two different sets of parametric equations for the given rectangular equation (there are many correct solutions)

x^2+4y^2 - 16=0

Answers

Wait, i need to know what ^ is

Balancing chemical equations lab answers is the number of total molecules on the left side of a balanced equation always equal to the number of total molecules on the right side of the equation?

Answers

Since no reaction creates or destroys atoms, every balanced chemical equation must have equal numbers of atoms of each element on each side of the equation. However, the number of molecules does not necessarily have to be the same.

The answer is
No, the total number of molecules can be equal or not

Yes, in a balanced chemical equation, the number of total molecules (or atoms) on the left side of the equation is always equal to the number of total molecules (or atoms) on the right side of the equation. This principle is known as the Law of Conservation of Mass.

The Law of Conservation of Mass states that in a chemical reaction, matter is neither created nor destroyed. This means that the total mass of the reactants must be equal to the total mass of the products. Since molecules are composed of atoms, the number of atoms of each element on the left side of the equation must equal the number of atoms of the same element on the right side of the equation.

To balance a chemical equation, coefficients are placed in front of the chemical formulas to ensure that the number of atoms of each element is the same on both sides of the equation. Balancing the equation ensures that the total number of molecules (or atoms) is conserved, maintaining the principle of the Law of Conservation of Mass. Therefore, in a balanced chemical equation, the number of total molecules on the left side is always equal to the number of total molecules on the right side.

COMPLETE QUESTION:

Balancing chemical equations lab answers is the number of total molecules on the left side of a balanced equation always equal to the number of total molecules on the right side of the equation?

Find the probability of the independent event. 7) if p (e) = 0.9, p (f ∣
e.= 0.36, and e and f are independent, find p (f).

Answers

If [tex]E[/tex] and [tex]F[/tex] are independent, then [tex]\mathbb P(F\mid E)=\mathbb P(F)[/tex], so that [tex]\mathbb P(F)=0.36[/tex].

what is the distance between the two points located at 9,12 and 9,-11

Answers

Both these points have the same x-values, which means that they lie on the same line. We can subtract the y-values to find the distance.

[tex]\sf 12-(-11)[/tex]

The negatives cancel out:

[tex]\sf 12+11[/tex]

[tex]\boxed{\sf 23}[/tex]

So the two points are 23 units apart from each other.

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