please help me solve the screenshot below.

Please Help Me Solve The Screenshot Below.

Answers

Answer 1

Answer:

The arrangement of the given equation in the slope - intercept form are

[tex]y=-x+4[/tex][tex]y=2x-5[/tex]

Step-by-step explanation:

Given:

x + y = 4 and

y - 2x = -5

Slope - intercept form :

[tex]y=mx+c[/tex]

Where,

m is the slope of the line.

c is the y-intercept.

When two points are given say ( x1 , y1 )  and ( x2 , y2)  we can remove slope by

Slope,

[tex]m=\frac{y_{2}- y_{1}}{x_{2}- x_{1}}[/tex]

Intercepts: Where the line cut X axis called X- intercept and where cut Y axis is called Y- intercept.

So, the Slope -intercept form of

x + y = 4   is  [tex]y=-x+4[/tex]

and

y - 2x = -5 is  [tex]y=2x-5[/tex]


Related Questions

The numerator of a fraction is 15 less than twice its denominator. If the numerator is increased by 5 and the denominator is increased by 7, the new fraction will be equal to 2/3. What is the original fraction?

Answers

Answer:

  7/11

Step-by-step explanation:

Let d represent the original denominator. Then the original numerator is ...

  2d-15

The new numerator is ...

  (2d-15) +5

and the new denominator is ...

  d+7

The ratio of these is 2/3, so we have ...

  [tex]\dfrac{2d-15+5}{d+7}=\dfrac{2}{3}\\\\3(2d-10)=2(d+7) \quad\text{cross multiply}\\\\4d=44 \quad\text{add 30-2d}\\\\d=11\\\\2d-15=2(11)-15=7[/tex]

The original fraction is 7/11.

Answer:.

Step-by-step explanation:

.

A 27-inch by 72-inch piece of cardboard is used to make an open-top box by removing a square from each corner of the cardboard and folding up the flaps on each side. What size square should be cut from each corner to get a box with the maximum volume? Enter the area of the square and do not include any units in your answer.

Answers

Answer:

36

Step-by-step explanation:

Given:

Length of the cardboard = 27 inches

Width of the cardboard = 72 inches.

Let "x" be side of the square which is cut in each corner.

Now the height of box = "x" inches.

Now the length of the box = 27 - 2x and width = 72 - 2x

Volume (V) = length × width × height

V = (27 - 2x)(72 - 2x)(x)

[tex]V= (1944 -144x -54x + 4x^2)x\\V = (4x^2 - 198x +1944)x\\V = 4x^3 -198x^2 +1944x[/tex]

Now let's find the derivative

V' = [tex]12x^2 - 396x + 1944[/tex]

Now set the derivative equal to zero and find the critical points.

[tex]12x^2 - 396x + 1944[/tex] = 0

12 ([tex]x^2 - 33x + 162[/tex]) = 0

Solving this equation, we get

x = 6 and x = 27

Here we take x = 6, we ignore x = 27 because we cannot cut 27 inches since the entire length is 27 inches.

So, the area of the square = side × side

= 6 inches × 6 inches

The area of the square = 36 square inches.

A satellite in a circular orbit 1250 kilometers above the Earth makes one complete revolution every 110 minutes. Assuming that Earth is a sphere of radius 6378 kilometers,
what is the linear speed (in kilometers per minute) of the satellite?
What is the linear speed in kilometers per hour, in miles per hour?

Answers

Final answer:

The linear speed of the satellite is approximately 434.71 km/min. In kilometers per hour, it is approximately 26082.6 km/hr. In miles per hour, it is approximately 16206.26 miles/hr.

Explanation:

To find the linear speed of the satellite, we need to calculate the circumference of the circular orbit.

The radius of the orbit is the sum of the radius of the Earth and the altitude of the satellite:
Radius of orbit = Radius of Earth + Altitude of satellite = 6378 km + 1250 km = 7628 km

The circumference of a circle is given by the formula:
Circumference = 2π * Radius

Substituting the radius of the orbit into the formula:
Circumference = 2π * 7628 km ≈ 47818.16 km

In 110 minutes, the satellite completes one revolution around the Earth. Therefore, its linear speed is:
Linear speed = Circumference / Time taken = 47818.16 km / 110 minutes ≈ 434.71 km/min

To convert the linear speed from kilometers per minute to kilometers per hour, multiply by 60:
Linear speed = 434.71 km/min * 60 min/hr ≈ 26082.6 km/hr

To convert the linear speed from kilometers per hour to miles per hour, divide by the conversion factor of 1.60934:
Linear speed = 26082.6 km/hr / 1.60934 ≈ 16206.26 miles/hr

Which sequence could be described by the recursive definition: LaTeX: t_{n+1}=\:-1\cdot t_n+3t n + 1 = − 1 ⋅ t n + 3

Group of answer choices

9, 6, -3, 0, 3,....

8, 5, -2, 3, 0, ...

5, 2, 1, -2, -5, ...

4, -1, 4, -1, 4, ....

Answers

did you get the answer?? please let me know

Solve the following exponential equation by taking the natural logarithm on both sides. Express the solution in terms of natural logarithms Then. use a calculate obtain a decimal approximation for the solution. e^2 - 4x = 662
What is the solution in terms of natural logarithms?
The solution set is { }.
(Use a comma to separate answers as needed. Simplify your answer Use integers or fractions for any numbers in expression).
What is the decimal approximation for the solution?
The solution set is { }.
(Use a comma to separate answers as needed. Round to two decimal places as needed.)

Answers

Answer:

[tex]-\frac{ln(662)-2}{4}[/tex]

{-1.12}

Step-by-step explanation:

[tex]e^{2 - 4x} = 662[/tex]

Solve this exponential equation using natural log

Take natural log ln on both sides

[tex]ln(e^{2 - 4x}) = ln(662)[/tex]

As per the property of natural log , move the exponent before log

[tex]2-4x(ln e) = ln(662)[/tex]

we know that ln e = 1

[tex]2-4x= ln(662)[/tex]

Now subtract 2 from both sides

[tex]-4x= ln(662)-2[/tex]

Divide both sides by -4

[tex]x=-\frac{ln(662)-2}{4}[/tex]

Solution set is {[tex]x=-\frac{ln(662)-2}{4}[/tex]}

USe calculator to find decimal approximation

x=-1.12381x=-1.12

- In terms of natural logarithms: [tex]\( \{ \ln(2) \} \)[/tex]

- In decimal approximation: [tex]\( \{ 0.69 \} \)[/tex] (rounded to two decimal places)

To solve the exponential equation [tex]\( e^2 - 4x = 662 \),[/tex] we can follow these steps:

Step 1: Isolate the exponential term by subtracting 2 from both sides:

[tex]\[ e^2 - 2 = 662 \][/tex]

Step 2: Divide both sides by -4 to isolate ( x ):

[tex]\[ -4x = 660 \][/tex]

Step 3: Divide both sides by -4 to solve for ( x ):

[tex]\[ x = -\frac{660}{4} \][/tex]

[tex]\[ x = -165 \][/tex]

Now, let's express the solution in terms of natural logarithms:

[tex]\[ x = -165 \][/tex]

To obtain a decimal approximation for the solution, we can use a calculator. Substituting [tex]\( x = -165 \)[/tex] back into the original equation:

[tex]\[ e^2 - 4(-165) = 662 \][/tex]

[tex]\[ e^2 + 660 = 662 \][/tex]

[tex]\[ e^2 = 2 \][/tex]

Now, take the natural logarithm of both sides:

[tex]\[ \ln(e^2) = \ln(2) \][/tex]

[tex]\[ 2\ln(e) = \ln(2) \][/tex]

[tex]\[ 2 = \ln(2) \][/tex]

So, the solution in terms of natural logarithms is [tex]\( x = \ln(2) \).[/tex]

The decimal approximation for [tex]\( x = \ln(2) \)[/tex] is approximately [tex]( x \approx 0.69315 \).[/tex]

Therefore, the solution set is:

- In terms of natural logarithms: [tex]\( \{ \ln(2) \} \)[/tex]

- In decimal approximation: [tex]\( \{ 0.69 \} \)[/tex] (rounded to two decimal places)

On a field trip, students ate 3/10 of a box of oranges.Altogether they ate 6 pounds of oranges. How many pounds of oranges were in a full box?Why each tenth of the model is 2 pounds?

Answers

Answer:

Step-by-step explanation:

Let x = the number of pounds of oranges in the full box.

On a field trip, students ate 3/10 of a box of oranges. This means that the students ate 3/10 × x = 3x/10 pounds of oranges.

Altogether they ate 6 pounds of oranges. This means that

3x/10 = 6

3x = 6×10

3x = 60

x = 60/3 = 20

The full box contained 20 pounds of oranges

Each tenth of the model is 2 pounds because a tenth of 20 pounds is 20/10 = 2 pounds

Find the explicit formula for the general nth term of the arithmetic sequence described below. Simplify the formula and reduce any fractions to lowest terms.
a24=83/3 and d=4/3

Answers

Answer:

an = 4/3n - 13/3.

Step-by-step explanation:

The first term is a1,

a24 = a1 + 23d

83/3 = a1 + 4/3* 23

a1 =    83/3 - 92/3

a1 = -9/3 = -3.

So the nth term an =  -3 + 4/3(n - 1)

an = -3 + 4/3 n - 4/3

an = 4/3n - 13/3

Final answer:

To find the explicit formula for the general nth term of an arithmetic sequence, use the formula a_n = a_1 + (n - 1)d, where a_n represents the nth term, a_1 is the first term, and d is the common difference. In this case, the explicit formula is a_n = -3 + (n - 1)(4/3), based on given information a_24 = 83/3 and d = 4/3.

Explanation:

To find the explicit formula for the general nth term of an arithmetic sequence, we use the formula: a_n = a_1 + (n - 1)d, where a_n represents the nth term, a_1 is the first term, and d is the common difference. In this case, we are given that a_24 = 83/3 and d = 4/3. We can substitute these values into the formula and solve for a_1. From there, we can simplify the formula and express it in its lowest terms.



Given: a_24 = 83/3 and d = 4/3



We can rearrange the formula and solve for a_1 as follows:



a_24 = a_1 + (24 - 1)(4/3)a_24 = a_1 + 23(4/3)83/3 = a_1 + 92/3a_1 = 83/3 - 92/3 = -9/3 = -3



Now that we have found a_1 = -3, we can simplify the formula and express it as:



a_n = -3 + (n - 1)(4/3)

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How many positive integers between 5 and 31
a) are divisible by 3? Which integers are these?
b) are divisible by 4? Which integers are these?
c) are divisible by 3 and by 4? Which integers are these?

Answers

Answer:

Part (A): There are 9 integers between 5 and 31 which are divisible by 3.

Part (B): There are 6 integers between 5 and 31 which are divisible by 4.

Part (C): There are 2 integers between 5 and 31 which are divisible by 3 and by 4.

Step-by-step explanation:

Consider the provided information.

Part (A) we need to find how many integers between 5 and 31 are divisible by 3.

Between 5 and 31 there are 25 integers.

According to quotient rule: [tex]\frac{25}{3} \approx8.33[/tex]

That means either 8 or 9 integers are divisible by 3 as 8.33 lies between 8 and 9.

The integers are: 6, 9, 12, 15, 18, 21, 24, 27, 30

Hence, there are 9 integers between 5 and 31 which are divisible by 3.

Part (B) we need to find how many integers between 5 and 31  are divisible by 4.

Between 5 and 31 there are 25 integers.

According to quotient rule: [tex]\frac{25}{4} \approx6.25[/tex]

That means either 6 or 7 integers are divisible by 4, as 6.25 lies between 6 and 7.

The integers are: 8, 12, 16, 20, 24, 28

Hence, there are 6 integers between 5 and 31 which are divisible by 4.

Part (C) we need to find how many integers between 5 and 31 are divisible by 3 and by 4

Between 5 and 31 there are 25 integers.

Integers should be divisible by 3 and by 4, that means integers should be divisible by 3×4=12.

According to quotient rule: [tex]\frac{25}{12} \approx2.08[/tex]

That means either 2 or 3 integers are divisible by 3 and by 4 or 12, as 2.08 lies between 2 and 3.

The integers are: 12, 24,

Hence, there are 2 integers between 5 and 31 which are divisible by 3 and by 4.

Final answer:

To find positive integers that are divisible by 3, 4, or both between 5 and 31, we can determine the multiples of each number. The multiples of 3 are: 6, 9, 12, 15, 18, 21, 24, 27, and 30. The multiples of 4 are: 8, 12, 16, 20, 24, and 28. The multiples of both 3 and 4 (or their least common multiple, 12) are: 12 and 24.

Explanation:

a) To find the positive integers between 5 and 31 that are divisible by 3, we need to look for numbers that are multiples of 3. Starting with 6, the first multiple of 3 in this range, we continue adding 3 to each number until we reach the highest multiple less than or equal to 31. So the multiples of 3 between 5 and 31 are: 6, 9, 12, 15, 18, 21, 24, 27, and 30.

b) To find the positive integers between 5 and 31 that are divisible by 4, we need to look for numbers that are multiples of 4. Starting with 8, the first multiple of 4 in this range, we continue adding 4 to each number until we reach the highest multiple less than or equal to 31. So the multiples of 4 between 5 and 31 are: 8, 12, 16, 20, 24, and 28.

c) To find the positive integers between 5 and 31 that are divisible by both 3 and 4, we need to find the common multiples of 3 and 4. This can be done by finding the multiples of the least common multiple (LCM) of 3 and 4, which is 12. So the multiples of 12 between 5 and 31 are: 12 and 24.

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What are the four requirements of a linear programming​ problem? A. ​alternatives, states of​ nature, conditional​ values, and probabilities B. an​ objective, constraints,​ alternatives, and conditional values C. an​ objective, constraints,​ alternatives, and linearity D. ​sources, destinations,​ alternatives, and linearity

Answers

Answer: Option (C)

Explanation:

Linear programming is referred to as the mathematical method designed in order to assist individuals to plan and thus make decisions which are necessary in order to allocate the resource. Under linear programming, first an individual defines the objective, thereby also looking at the limits i.e. constraints that are being put forth. Also defining the alternatives and the linearity.

Final answer:

A linear programming problem requires an objective, constraints, alternatives, and linearity. The objective is what you're trying to achieve, constraints are limitations or restrictions, alternatives are options available to reach your objective, while linearity necessitates that all functions in the problem must be linear.

Explanation:

The correct answer is C: An objective, constraints, alternatives, and linearity. These are the four requirements of a linear programming problem. The objective refers to what the problem is attempting to achieve, such as minimizing cost or maximizing profit. Constraints are the limitations or restrictions of the problem. Alternatives refer to the different options or decisions available to reach the objective. Finally, the requirement of linearity is that all functions in the problem, whether they are objective or constraints, must be linear.

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In Andrew’s Furniture Shop, he assembles both bookcases and TV stands. Each type of furniture takes him about the same time to assemble. He figures he has time to make at most 18 pieces of furniture by this Saturday. The materials for each bookcase cost him $20.00 and the materials for each TV stand cost him $40.00. He has $600.00 to spend on materials. Andrew makes a profit of $60.00 on each bookcase and a profit of $100.00 for each TV stand. Find how many of each piece of furniture Andrew should make so that he maximizes his profit.

Answers

Answer:

6 bookcases12 TV stands

Step-by-step explanation:

Given Andrew has $600 for materials and can make 18 pieces of furniture, you want to know the number of each kind that maximizes profit if each bookcase costs $20 and gives $60 profit, while each TV stand costs $40 and gives $100 profit.

Setup

If x and y represent the numbers of bookcases and TV stands Andrew builds, respectively, then he wants to ...

  maximize 60x +100y

  subject to ...

x + y ≤ 1820x +40y ≤ 600

Solution

The attached graph shows the solution space for these constraints. The profit is maximized at the vertex of the space where the profit function line is farthest from the origin. Andrew maximizes his profit by building ...

6 bookcases12 TV stands
Final answer:

Andrew needs to solve a linear programming problem to find how many bookcases and TV stands he should manufacture for optimal profit. This is done by setting up and solving inequalities representing Andrew's time and material cost constraints, graphing the feasible region, and finding the point(s) in this region that yield the highest profit.

Explanation:

This question deals with the topics of linear programming and profit maximisation. Here, Andrew has to decide how much of each type of furniture, bookcases or TV stands, he should produce to maximise profit while considering time and material cost constraints.

From the given conditions, we get two inequalities. The first related to time says that the total number of bookcases and TV stands is less than or equal to 18: let bookcases be x, TV stands be y, thus we have x + y <= 18. The second involving the cost of material says that the total cost spent on materials for both products does not exceed $600: thus, we also have 20x + 40y <= 600.

You can graph these inequalities on the x-y plane to get a visual representation of the possibilities.

Finally, to find the optimal solution (i.e., the highest profit), you calculate the profit function P = 60x + 100y for each point in the feasible region and select the point that provides the highest profit.

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A __________ describes the range and relative likelihood of all possible values for a random variable.a. probability mass function of an event.b. density function.c. probability distribution for a random variable.d. probability

Answers

Answer:

Option C: Probability distribution for a random variable

Step-by-step explanation:

A probability distribution for a random variable describes the range and relative likelihood of all possible values for a random variable.

The probability distribution of a random variable is explained as a list of all the possible values of the variable and their probabilities. These probabilities sum up to 1.

Final answer:

The correct term is ' (c) probability distribution for a random variable,' represented by a probability density function for continuous random variables or a probability distribution function for discrete random variables.

Explanation:

The term that describes the range and relative likelihood of all possible values for a random variable is a (c) probability distribution for a random variable. For a continuous random variable, this is represented by a probability density function (pdf), which shows the likelihood of any given value or range of values. The pdf is depicted graphically, and the area under the curve represents the probability for a given range of values. The total area under the pdf curve is always one, signifying that the sum of all probabilities is one. Also, for a discrete random variable, the probability distribution function (PDF) lists all possible values and their associated probabilities, following the rules that each probability is between zero and one inclusive, and the sum of all probabilities equals one.

Jacob went on a bike ride. After 10 miles he got a flat tire and had to jog back home. He jogs 5 mph slower than he bikes, so the jog took 1 hour longer than the bike ride. At what rate did he travel each way?

Answers

Answer: He traveled 10 km/hr through bike and 5km/hr by jogging.

Step-by-step explanation:

Let the speed of bike be 'x'.

Let the speed of his jogging be 'x-5'.

Distance covered = 10 miles

So the jog took 1 hour longer than the bike ride.

According to question, we get that

[tex]\dfrac{10}{x-5}-\dfrac{10}{x}=1\\\\10\dfrac{x-x+5}{x(x-5)}=1\\\\\dfrac{50}{x^2-5x}=1\\\\50=x^2-5x\\\\x^2-5x-50=0\\\\x^2-10x+5x-50=0\\\\x(x-10)+5(x-10)=0\\\\(x+5)(x-10)=0\\\\x=10\ km/hr[/tex]

Hence, he traveled 10 km/hr through bike and 5km/hr by jogging.

The width of a small playground 3 meters less than the length of the playground. If the area of the playground 54 square meters. What are the dimensions of the playground.

Answers

Answer: Length = 9 meters

Width = 6 meters

Step-by-step explanation:

The diagram of the playground is shown in the attached photo

The width of a small playground 3 meters less than the length of the playground.

Length of playground = L meters

Width of playground = (L-3) meters

The area of the playground is 54 square meters.

Area = L × W

54 = L(L - 3)

54 = L^2 - 3L

L^2 - 3L - 54 = 0

L^2 + 6L - 9L- 54 = 0

L(L+6) - 9(L+6) = 0

(L-9)(L+6) = 0

L -9 = 0. or L+6 = 0

L = 9 or L = -6

L cannot be negative so, the length of the playground is 9 meters

The width of the playground is

L-3 = 9-3 = 6 meters

A company makes auto batteries. They claim that 86% of their LL70 batteries are good for 70 months or longer. Assume that this claim is true. Let p be the proportion in a random sample of 80 such batteries For a populations that are good for 70 months or more.
What is the probability that this sample proportion is within 0.03 of the population proportion?

Answers

Answer:

The probability that the sample proportion of 80 LL70 batteries is within 0.03 of the population proportion is 0.44

Step-by-step explanation:

Sample proportion being within margin, or margin of error (ME) around the mean can be found using the formula

ME=[tex]\frac{z*\sqrt{p*(1-p)}}{\sqrt{N} }[/tex] where

z is the corresponding statistic of the probability that the sample proportion is within the 0.03 of the population proportionp is the claimed proportion (86% or 0.86) N is the sample size (80)

Then 0.03=[tex]\frac{z*\sqrt{0.86*0.14}}{\sqrt{80} }[/tex] from this we get:

z≈0.773 and the p(z)≈0.439

Therefore, the probability that the sample proportion is within 0.03 of the population proportion is 0.44

A piece of fabric is 7/9 yard long.A piece of ribbon is 2/9 yard long.How many more yards of ribbon do you need to have equal lengths of fabric and ribbon

Answers

Answer:

5/9 yards

Step-by-step explanation:

Just subtract 2/9 from 5/9 to find the difference, which is the answer.

Debby is making pizzas. She needs to choose among three bags of shredded mozzarella. One contains 8 ounces and costs $1.59. One contains 12 ounces and costs $2.49. One contains 16 ounces and costs $3.29. If Debby needs 48 ounces of cheese for her pizzas, how many of which type of bag should she buy and what will be the cost?

Answers

Answer:

6 of the 8 oz one

Step-by-step explanation:

you need to buy 6 of the first to get 48 oz, and the price would be 9.54. you need 4 for the next with the price at 9.96. you need 3 for 16 oz and the price is 9.89. compare all of them and you get 9.54 as the lowest, which was the 8 oz one

What is the multiple zero and multiplicity of f(x) = (x − 3)(x − 3)(x + 5)? a. Multiple zero is 5; multiplicity is 1 b. Multiple zero is −5; multiplicity is 1 c. Multiple zero is 3; multiplicity is 2 d. Multiple zero is −3; multiplicity is 2

Answers

Answer:

c. Multiple zero is 3; multiplicity is 2

Step-by-step explanation:

The factor is repeated, that is, the factor  ( x  −  3 )  appears twice. The number of times a given factor appears in the factored form of the equation of a polynomial is called the multiplicity. The zero associated with this factor,  x  =  3 , has multiplicity 2 because the factor  ( x  −  3 )  occurs twice.

Then

Multiple zero is 3; multiplicity is 2.

Answer:

multiple zero is -3 and multiplicity is 2

Step-by-step explanation:

What is the value of sin C ?



A. 8/17

B. 1/58

C. 15/17

D. 8/15

Answers

Answer: option A is the correct answer

Step-by-step explanation:

The given triangle is a right angle triangle. This is because one of the angles is 90 degrees. The sum of the other two angles is 90 degrees. To determine sin C, we will apply trigonometric ratio

From the dimensions given and taking C as the reference angle,

Hypotenuse = AC = 17

Adjacent side = BC = 15

Opposite side = AB = 8

Sin# = opposite side / hypotenuse

Since # = C

SinC = 8/17

The value of angle C can be derived by finding Sin^-1(8/17)

What is the slope of the line?

5
-5
1/5
-1/5

Answers

Answer: Slope is 1/5

Step-by-step explanation:

Slope, m is expressed as

Slope, m =change in value of y on the vertical axis / change in value of x on the horizontal axis

change in the value of y = y2 - y1

Change in value of x = x2 -x1

y2 = final value of y

y 1 = initial value of y

x2 = final value of x

x1 = initial value of x

From the graph given, we would pick points for y2 and a corresponding x1 and also pick y1 and a corresponding x1

y2 = 4

y 1 = 3

x2 = 5

x1 = 0

Slope = (4-3)/(5-0) = 1/5

Answer:

[tex]\frac{1}{5}[/tex]

Step-by-step explanation:

→The slope of the line given on the graph is [tex]\frac{1}{5}[/tex].

→You can tell because following the rise over run, the line goes up 1 unit, then to the right, 5 units.

→Since it is going to the right, it stays positive. However, if it were to go left, the 5 would be negative.

Jay is letting her bread dough rise. After three hours, her bread dough is \dfrac{11}{5} 5 11 ​ start fraction, 11, divided by, 5, end fraction of its original size.

Answers

Answer:

Jay's bread size is 220% of the original size.

Step-by-step explanation:

The question is incomplete.

The complete question is as follows.

Jay is letting her bread rise. After 3 hours,her bread is at 11/5 of its original size. What percent of its original size is jays bread dough?

Solution:

Let the original bread size be = [tex]100[/tex] units

After 3 hours the bread rises = [tex]\frac{11}{5}[/tex] of the original size

New size of bread =  [tex]\frac{11}{5}\times 100=220[/tex] units

Percent of original size the new bread is

⇒ [tex]\frac{New\ bread\ size}{Original\ bread\ size}\times 100[/tex]

⇒ [tex]\frac{220}{100}\times100[/tex]

⇒ [tex]220\%[/tex]

Please help!

Options for ♣:
definition of adjacent angles
definition of angle bisector
definition of congruence
vertical angles are congruent

Options for ♦:
AAS
ASA
SAS
SSS

Answers

Answer:

The proof with the statement is given below.

Step-by-step explanation:

Given:

Construction of angle bisector i.e SP is the bisector of angle RPQ.

To prove:

Δ PWS ≅ Δ PXS

Proof:

In  Δ PWS  and Δ PXS  

∠ WPS ≅ ∠ XPS    …………..{definition of angle bisector}

SP ≅ SP                .......…….{Reflexive property}

PW ≅ XP              ……....….{definition of ≅}

Δ PWS  ≅ Δ PXS  …...........{Side-Angle-Side test i .e SAS}

Angle bisector: A ray divides angle into two equal measures then the ray is called as angle bisector of the bisected angle.

In the construction SP is the bisector of the angle ∠ RPQ

SAS: This test is to prove the triangle congruent when two sides are congruent and angle between that sides should be congruent. then we can say the triangle is congruent by side angle side test.

first examples pt 1 no one answer

Answers

Answer:

  It takes the second worker 11 hours to do the job alone  

Step-by-step explanation:

The problem tells you how to work it.

  [tex]\dfrac{1}{11}+\dfrac{1}{x}=\dfrac{2}{11}\\\\x+11=2x \qquad\text{multiply by 11x}\\\\11=x \qquad\text{subtract x}[/tex]

x = 11 tells you the second worker takes 11 hours to do the job alone.

_____

You can also work directly with the fractions. Subtract 1/11 and you have ...

  1/x = 1/11

It should not be a real stretch to see that x=11. If you need, you can multiply both sides by 11x to get 11=x.

A particle moves along the curve y=7 x 2+4y=7 x 2+4 in such a way that its xx-coordinate is changing at a rate of −5−5 centimeters per second. At what rate is the particle's yy-coordinate changing when the particle is at the point where x=1x=1?

Answers

Answer:

The y-coordinate is changing by the rate of -70 cm per sec.

Step-by-step explanation:

Given equation,

[tex]y = 7x^2 + 4[/tex]

Differentiating with respect to time (t),

[tex]\frac{dy}{dt}=14x \frac{dx}{dt}[/tex]

We have,

[tex]\frac{dx}{dt}=-5\text{ cm per sec}, x = 1[/tex]

[tex]\frac{dy}{dt} = 14(1)(-5)=-70\text{ cm per sec}[/tex]

Solve for \(x\). Show your work.

\[-\frac{1}{2}x < -12\]

Answers

Solving [tex]-\frac{1}{2}x<-12[/tex] we get [tex]x>24[/tex]

Step-by-step explanation:

We need to solve the given inequality to find value of x.

[tex]-\frac{1}{2}x<-12[/tex]

Solving:

[tex]-\frac{1}{2}x<-12[/tex]

Multiply both sides by 2

[tex]-\frac{1}{2}x*2<-12*2[/tex]

[tex]-x<-24[/tex]

Multiply both sides by (-1) and reverse the inequality sign i.e < is changed to >

[tex]x>24[/tex]

So, solving [tex]-\frac{1}{2}x<-12[/tex] we get [tex]x>24[/tex]

Keywords: Solving inequalities

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Consider the function p(x)=6x^3-25x^2-11x+60. One zero of p(x) is 4. Find the other zeros.

Answers

Answer: the other zeros are -3/2 and 5/3

Step-by-step explanation:

1.) Add. Wrote your answer in simplest form. 2x+15 / x^2+3x + x-6 / x^2+3x

2.) Add 2x+1 / x + -3 /x^2+3x

3.) Simplify 2x^2
————
x+3
————
5x^2
————
x-4

Answers

The answer to 1. Is shown below I’m attached image

Answer:

8. [tex]\displaystyle \frac{9[x + 5]}{x - 14}[/tex]

7. [tex]\displaystyle -\frac{2x - 1}{2[3x - 5]}[/tex]

6. [tex]\displaystyle \frac{2[x - 4]}{5[x + 3]}[/tex]

5. [tex]\displaystyle \frac{2x + 7}{x + 3}[/tex]

4. [tex]\displaystyle 3x^{-1}[/tex]

Step-by-step explanation:

All work is shown above from 8 − 4.

I am joyous to assist you anytime.

A gaming website has a onetime $10 membership fee when you subscribe, and charges $2.00 per month for the newsletter. What would be the total cost to join the website for one year.

Answers

The total cost to join the website for one year is $34.00

Step-by-step explanation:

Onetime membership fee = $10

Per month newsletter charges = $2.00

One year = 12 months

Newsletter charges for 1 year = [tex]2.00*12=\$24[/tex]

Total cost = One time fee + newsletter charges for 1 year

[tex]Total\ cost=10+24.00=\$34.00[/tex]

The total cost to join the website for one year is $34.00

Keywords: addition, multiplication

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A box is packed with 18 cans of cola. The radius of the base of one can of cola is 1 inch, and the height is 5 inches. The length of the box is 12 inches, the width is 6 inches, and the height is 5 inches. In cubic inches, how much empty space is left inside the box?

Answers

Answer:

[tex]77.4\ in^3[/tex]

Step-by-step explanation:

we know that

To find out how much empty space is left inside the box, subtract the volume of 18 cans of cola from the volume of the box

step 1

Find the volume of the box

The volume of the box is equal to

[tex]V=LWH[/tex]

substitute the given values

[tex]V=(12)(6)(5)[/tex]

[tex]V=360\ in^3[/tex]

step 2

Find the volume of the can of cola

The volume of a cylinder is equal to

[tex]V=\pi r^{2} h[/tex]

we have

[tex]r=1\ in[/tex]

[tex]h=5\ in[/tex]

substitute

[tex]V=\pi (1)^{2} (5)[/tex]

[tex]V=5\pi\ in^3[/tex]

Multiply by 18 (18 cans of cola)

[tex]V=(18)5\pi=90\pi\ in^3[/tex]

step 3

Find how much empty space is left inside the box

[tex]V=(360-90\pi)\ in^3[/tex] ---> exact value

assume

[tex]\pi =3.14[/tex]

[tex]V=360-90(3.14)=77.4\ in^3[/tex]

Answer:

77.4

Step-by-step explanation:

BRAINLIEST! What number must multiply each side of the equation 2/5x=10 to produce the equivalent equation x = 25? (NOTE: 2/5 IS A FRACTION)


A. 1/5

B. 5/2

C.4

D.5

Answers

Answer:

Option B

Step-by-step explanation:

multiplying 2/5 with 5/2 will give 1 on the left hand side of the equation

multiplying 10 with 5/2 will give 25 on the right hand side of the equation, ultimately resulting in  x=25

The number that we must use to multiply each side of the equation 2/5x = 10 to produce the equivalent equation x = 25 is; B: 5/2

We are given the equation;

(2/5)x = 10

Now, from multiplication property of equality, we know that;

Multiplying both sides by the same number is same as the original equation.

Thus, to make the left hand side only x, let us multiply both sides by the inverse of 2/5 which is 5/2 to get;

x = 10 × 5/2

x = 25

Read more on multiplication property of equality at; https://brainly.com/question/11455498

A company makes wax candles in the shape of a cylinder. Each candle has a radius of 2 inches and a height of 7 inches. How much wax will the company need to make 210 candles?

Answers

Answer:

18,471.6 cubic inches of wax will be needed

Step-by-step explanation:

We want the volume that will be required for 210 candles. We first find the volume of 1 candle by using volume of cylinder formula. Then multiply that answer by 210 to find volume of wax needed to make 210 such candles.

Volume of Cylinder is given by the formula:

[tex]V=\pi r^2 h[/tex]

Where

r is the radius

h is the height

Given,

r = 2 in

h = 7 in

We substitute and find 1 candle volume:

Volume of 1 candle = [tex]\pi r^2 h = \pi (2)^2 (7) = 87.96[/tex]

Hence,

Volume of 210 candles = 87.96 * 210 = 18,471.6 cubic inches

Answer:

18,471.6

Step-by-step explanation:

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