Mathematics College

## Answers

**Answer 1**

Answer:

Step-by-step explanation:

10

## Related Questions

how can we rewrite the slope formula,so that we have point-slope form

### Answers

this is how you would write it to get point slope formula: y-y₁=m(x-x₁)

Elijah has

2

1

2

2

2

1

bags of candy. A bag of candy weighs

5

5 pounds. How many pounds of candy does Elijah have?

pounds of candy.1 in3 (3 is above inches)

### Answers

Answer: (50 pounds of candy) She has 10 bags of candy if each bag is 5 pounds it’s 5•10 and that’s 50

**Answer:**

50 pounds

**Step-by-step explanation:**

A recipe calls for 8 ounces of fruit juice for every 32 ounces of soda. How much soda should you use if you use 16 ounces of fruit juice? DO NOT FORGET THE UNITS!

### Answers

**Answer:**

64 ounces of soda

**Step-by-step explanation:**

for every 8 ounces you need 32 ounces of soda and 16 would be two servings of fruit juice so I multiplied 32 by 2 and got 64

Jamal needs several feet of wood for a birdhouse

project. He already has 12 yards. How many feet are

in 12 yards?

### Answers

**Answer:**

36

**Step-by-step explanation:**

multiple by the length value by 3

How many outcomes are possible if you chose one letter from the word FUN and another letter from the word NOT.

### Answers

Answer:

9

Step-by-step explanation:

The first question is how many ways can I get one letter from the word FUN?

That is 3.

Similarly, how many ways can I get one letter from the word NOT?

That is also 3.

Then one letter from FUN and one letter from NOT gives= 3 * 3 = 9

1. Christine picks three pumpkins. They weigh

6 14 pounds, 2 1/3 pounds, and 1 1/8 pounds.

What is the total weight of the pumpkins?

### Answers

**Answer: **[tex]9\dfrac{17}{24}\ \text{Pounds}[/tex]

**Step-by-step explanation:**

Given

Christine Picks three Pumpkins which weighs

[tex]6\dfrac{1}{4}=\dfrac{6\times 4+1}{4}\ \text{Pounds}[/tex]

[tex]2\dfrac{1}{3}=\dfrac{2\times 3+1}{3}\ \text{Pounds}[/tex]

[tex]1\dfrac{1}{8}=\dfrac{8\times 1+1}{8}\ \text{Pounds}[/tex]

The total weight will be the addition of the weights of each pumpkin

[tex]\Rightarrow \dfrac{25}{4}+\dfrac{7}{3}+\dfrac{9}{8}\\\\\text{Take the LCM of the denominators which will be 24}\\\\\Rightarrow \dfrac{25\times 6}{24}+\dfrac{7\times 8}{24}+\dfrac{9\times 3}{24}\\\\\Rightarrow \dfrac{150+56+27}{24}\\\\\Rightarrow \dfrac{233}{24}\ \text{Pounds}\\\\\Rightarrow 9\dfrac{17}{24}\ \text{Pounds}[/tex]

Marcus weighs 45.5 kg what is his weight in grams

### Answers

Answer: 45500

Step-by-step explanation: 45.5*1000, 1 kg=1000g

Answer:

45500

Step-by-step explanation:

please comment on his

6. What percent of 24 is 12?

Answer plsss

### Answers

I think it would be half or. 50

**Answer:**

50%

**Step-by-step explanation:**

To find our answer will will first put it into an equation as [tex]\frac{100}{x}[/tex] × [tex]\frac{24}{12}[/tex]. Because we are ** cross multiplying** we will

**and we get**

*multiply 100 by 12***Now because we are**

*1,200.***we will**

*solving for x***, which is 50%. Therefore,**

*divide 1,200 by 24*

*50% is our answer.*graph the function y less than or equal to x^2-3x-1

### Answers

Answer: y <= x^(2) - 3x - 1

How to: Graph the inequality by finding the boundary line, then shading the appropriate area.

Have a great day and stay safe !

HELP ME PLEASEEEEEEEEEEEEEEEE

### Answers

90 mm ..................

**Answer:**

90 mm^2

**Step-by-step explanation:**

Divide it in 2 figures

Get the area of the one of 5 * 6 mm = 30mm^2

Then the one of 6 * 10 mm = 60 mm^2

Then just add it up. 90 mm^2

PLEASE PLEASE PLEASE PLEASE HELP ME! Image below I Am Crying :((

### Answers

**Answer:**

Its X-1

**Step-by-step explanation:**

**Answer:**

x= 5

**Step-by-step explanation:**

the | | around a number is called an absolute. It simply means that the number is always going to be positive. If you have |-4| it's the same as saying 4.

NEED HELP ASAP WILL GIVE BRAINLIEST REAL ANSWERS ONLY PLZ

### Answers

**Answer:**

c) [tex]\frac{x-2}{x+6}[/tex]

**Step-by-step explanation:**

When given that function (f) is the following,

[tex]f(x)=\frac{x+2}{x^2+4x-12}[/tex]

The wisest move to first make is to factor the expression, factoring is the process by which one rewrites a quadratic expression as the product of two linear expressions,

[tex]f(x)=\frac{x+12}{(x+6)(x-2)}[/tex]

If is given that function (g) is the following,

[tex]g(x)=\frac{4x^2-16x+16}{4x+48}[/tex]

Then one should also factor the expression,

[tex]g(x)=\frac{4(x-2)^2}{4(x+12)}[/tex]

One is asked to find the following,

[tex]f(x)*g(x)[/tex]

To do this operation, one must multiply the two functions together. It is easiest to do so when the functions are in factored form,

[tex]f(x)*g(x)[/tex]

Substitute,

[tex](\frac{x+12}{(x+6)(x-2)})(\frac{4(x-2)^2}{4(x+12)})[/tex]

Simplify, cross out like terms in the numerator and denominator,

[tex]\frac{x-2}{x+6}[/tex]

Which measurement is closest to the area of the sign in square inches

### Answers

Option C. The area ≈ 706.86

is 2/5 greater than 3/7

### Answers

**Answer:**

3/7 is greater than 2/5

**Step-by-step explanation:**

If you convert the fractions into decimals:

3/7=0.42

2/5=0.4

0.42 is greater than 0.4

7.4.PS-6

Question Help

Find the area of the polygon.

20 cm

14 cm

4 cm

3 cm

5 C

### Answers

**Answer:**

The area of the given polygon is:

**232 cm^2**

**Step-by-step explanation:**

To find the area of the polygon in the picture, you can divide the polygon in three rectangles: a 3 cm by 14 cm, a 5 cm by 14 cm rectangle, and the last rectangle must have a base of 12 cm (20 cm - 3 cm - 5 cm), and a height of 10 cm (14 cm - 4 cm). We can calculate the area of the rectangles with the formula below:

**Area of a rectangle = Base * height**

Now, we're gonna replace the measurements in the formula.

*First rectangle:*

Area of a rectangle = 3 cm * 14 cm**Area of a rectangle = 42 cm^2**

*Second rectangle:*

Area of a rectangle = 5 cm * 14 cm**Area of a rectangle = 70 cm^2**

*Third rectangle:*

Area of a rectangle = 12 cm * 10 cm**Area of a rectangle = 120 cm^2**

By last, we must add the area of the rectangles:

Area of the polygon = 42 cm^2 + 70 cm^2 + 120 cm^2**Area of the polygon = 232 cm^2**

As you can see, * the area of the polygon in the picture is 232 cm^2*.

PLEASE! Is this correct?

### Answers

I believe it’s correct, but i’m not smart

What is the slope of the following equation?

y = 2x -3

### Answers

**Answer:**

**Step-by-step explanation:**

2 is the slo[pe:)

Which of the following is an example of a sample that would NOT be random? A. Going through the list and choosing the first 25 names on the list. B. Writing each student’s name on a card and then drawing out 25 names without looking. C. Choosing one student at random from the list and going through the list and choosing every fifth student until she has 25 names. D. Separating the students on the list into boys and girls and choosing a sample from each group that is proportional to the size of the group.

### Answers

**Answer:**

A

**Step-by-step explanation:**

**Answer:**

A

**Step-by-step explanation:**

A mathematics textbook has 6 pages of instruction for every 2 pages of practice problems. How many pages of instruction does it have for every page of practice problems? (NO LINKS, IF I SEE A LINK I'LL TAKE IT DOWN

### Answers

**Answer:**

3 pages of instruction for every practice problem

**Step-by-step explanation:**

Gift wrappers tend to have competitions on who can wrap more presents in a day. If Benjamin wrapped 9 less presents than Christopher, who wrapped x presents, choose the expression that shows how many presents Benjamin wrapped.

### Answers

**Answer:**

x-9.

the expression that shows how many presents benjamin wrapped would be x-9

A fair die is cast four times. Calculate

the probability of obtaining at least two

6's.

Round to the nearest tenth of a

percent.

[ ? ]%

### Answers

**Step-by-step explanation:**

*You can solve this using the binomial probability formula.**You can solve this using the binomial probability formula.The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.**You can solve this using the binomial probability formula.The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.Then, we can set the equation as follows:**You can solve this using the binomial probability formula.The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.Then, we can set the equation as follows: **You can solve this using the binomial probability formula.The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.Then, we can set the equation as follows: P(X≥x) = ∑(k=x to n) C(n k) p^k q^(n-k) **You can solve this using the binomial probability formula.The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.Then, we can set the equation as follows: P(X≥x) = ∑(k=x to n) C(n k) p^k q^(n-k) n=4, x=2, k=2**You can solve this using the binomial probability formula.The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.Then, we can set the equation as follows: P(X≥x) = ∑(k=x to n) C(n k) p^k q^(n-k) n=4, x=2, k=2when x=2 (4 2)(1/6)^2(5/6)^4-2 = 0.1157**You can solve this using the binomial probability formula.The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.Then, we can set the equation as follows: P(X≥x) = ∑(k=x to n) C(n k) p^k q^(n-k) n=4, x=2, k=2when x=2 (4 2)(1/6)^2(5/6)^4-2 = 0.1157when x=3 (4 3)(1/6)^3(5/6)^4-3 = 0.0154**You can solve this using the binomial probability formula.The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.Then, we can set the equation as follows: P(X≥x) = ∑(k=x to n) C(n k) p^k q^(n-k) n=4, x=2, k=2when x=2 (4 2)(1/6)^2(5/6)^4-2 = 0.1157when x=3 (4 3)(1/6)^3(5/6)^4-3 = 0.0154when x=4 (4 4)(1/6)^4(5/6)^4-4 = 0.0008**You can solve this using the binomial probability formula.The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.Then, we can set the equation as follows: P(X≥x) = ∑(k=x to n) C(n k) p^k q^(n-k) n=4, x=2, k=2when x=2 (4 2)(1/6)^2(5/6)^4-2 = 0.1157when x=3 (4 3)(1/6)^3(5/6)^4-3 = 0.0154when x=4 (4 4)(1/6)^4(5/6)^4-4 = 0.0008Add them up, and you should get 0.1319 or 13.2% (rounded to the nearest tenth)*

Can someone help me with this?

### Answers

**Answer:**

I can help you via Watsapp

In order to set rates, an insurance company is trying to estimate the number of sick days that full time workers at an auto repair shop take per year. A previous study indicated that the population standard deviation is 2.8 days. How large a sample must be selected if the company wants to be 95% confident that the true mean differs from the sample mean by no more than 1 day?

A. 512

B. 1024

C. 141

D. 31

### Answers

**Answer:**

D. 31

**Step-by-step explanation:**

We have that to **find **our [tex]\alpha[/tex] level, that is the subtraction of 1 by the confidence interval divided by 2. So:

[tex]\alpha = \frac{1 - 0.95}{2} = 0.025[/tex]

**Now**, we have to find z in the Ztable as such z has a pvalue of [tex]1 - \alpha[/tex].

That is z with a pvalue of [tex]1 - 0.025 = 0.975[/tex], so Z = 1.96.

**Now, find the margin of error M as such**

[tex]M = z\frac{\sigma}{\sqrt{n}}[/tex]

In which [tex]\sigma[/tex] is the standard deviation of the population and n is the size of the sample.

**A previous study indicated that the population standard deviation is 2.8 days.**

This means that [tex]\sigma = 2.8[/tex]

**How large a sample must be selected if the company wants to be 95% confident that the true mean differs from the sample mean by no more than 1 day?**

This is n for which M = 1. So

[tex]M = z\frac{\sigma}{\sqrt{n}}[/tex]

[tex]1 = 1.96\frac{2.8}{\sqrt{n}}[/tex]

[tex]\sqrt{n} = 1.96*2.8[/tex]

[tex](\sqrt{n})^2 = (1.96*2.8)^2[/tex]

[tex]n = 30.12[/tex]

Rounding up, at least 31 people are needed, and the correct answer is given by **option D.**

Identify the terms,like terms,coefficient and constants

### Answers

Terms: -4j, -2, -5j, 6

Like Terms: -4j and -5j, -2 and 6

Coefficients: -4, -5

Constants: -2, 6

Help!!!!!!!!!!!!!!!!!!!!!

### Answers

I think it’s 108 square units. If not, 24 square units.

Please help i really need the points on this test ill give u brainliest if ur right!!

### Answers

**Answer:**

13 and 16 for the first question and the second part i dont know sorry

**Step-by-step explanation:**

The median is the line in the center of the box

The ages of MBA students at a university are normally distributed with a known population variance of 10.24. Suppose you are asked to construct a 95% confidence interval for the population mean age if the mean of a sample of 36 students is 26.5 years. If a 99% confidence interval is constructed instead of a 95% confidence interval for the population mean, then _______________________________________________.

### Answers

**Answer:**

too difficult 99%(95%) fraction and decimal of 26.5 and (-36)

Please help me! No links

How many math problems were answered correctly by Suzy and Joe?

### Answers

Since suzy answered 9 and Joe answered 12, you add 9+12 to get 21. The answer is 21 math problems.

Charles is reading about computers. He learns that a computer processor can perform one command in approximately 0.000000016 nanoseconds. What is this number expressed in scientific notation?

### Answers

Answer:

1.6 * 10^{-8}

Step-by-step explanation:

Given the following data;

Time = 0.000000016 nanoseconds

To express in standard scientific notation;

Scientific notation is a standard way of expressing very large numbers in powers of 10.

0.000000016 nanoseconds = 1.6 * 10^{-8} nanoseconds.

Note: count the number of zeros (0s) before 1 and write it to the power of 10.

**Answer:**

the correct answers are 1.6E-8 and 1.6 × 10-8

What is the most specific name for the figure?

A(-a, 0)

B(-2a, a)

C(-a, 2a)

D(0, a)

A. Parallelogram

B. Rectangle

C. Square

D. Rhombus

### Answers

**Answer:**

Its C. Square

**Step-by-step explanation:**

The most specific name for the **figure **is Square.

What is Quadrilateral?

A **quadrilateral **is a four-sided polygon in geometry with four **sides **and four vertices. The Latin words **quadri**, which means "four," and latus, which means "side," are the sources of the word. Similar to other **polygons **like the pentagon, it is also known as a **tetragon**, derived from the Greek words "tetra," which means "four," and "gon," which means "corner" or "**angle**." It is also known as a **quadrangle **or a 4-angle because the word "gon" means "angle."

Given **figure **with coordinates

(-a, 0), (-2a, a), (-a, 2a), (0, a)

from **coordinates **length of side can be calculated excluding negative sign,

side = (y₂ - y₁)/(x₂ - x₁)

AB = (a - 0)/(-2a + a) = -1

BC = (2a - a)/(-a + 2a) = 1

CD = (a - 2a)/(0 + a) = -1

DA = (a - 0)/(0 + a) = 1

excluding **negative **sign for length all sides are equal

it is a Square: A regular **polygon **with four sides of equal length and angles of equal length of 90 **degrees **each is called a square.

Hence the figure is **Square**.

Learn more about **Quadrilateral;**

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