What is the approximate area of the shaded region?

Answers

Answer 1

Answer: That 10 is the diameter of the circle.

First let's find the area of the square.

A = s^2

Where 's' is the side.

A = 10^2

A = 100

Now let's find the area of the circle.

The '10' is also the diameter of the circle.

A = pi * r^2

A = 3.14 * 5^2

A = 3.14 * 25

A = 78.5

Now subtract this from the area of the square.

100 - 78.5 = 21.5

So the approximate area of the shaded region is 21.5cm^2

Answer 2

Answer:

Answer:

21.5^2

Step-by-step explanation:

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A teacher purchased a total of 460 notebooks and pencils. Each notebook cost $1.75 and each pencil cost $0.05. If the teacher spent a total of $218.50, how many notebooks did the teacher purchase?

Answers

The number of notebooks the teacher purchased, is 115

What is the system of linear equations?

A system of linear equations is a collection of one or more linear equations involving the same variables.

Given that, a teacher purchased a total of 460 notebooks and pencils. Each notebook cost $1.75 and each pencil cost $0.05. If the teacher spent a total of $218.50, we need to find the number of notebooks the teacher purchased,

We will use the concept of system of linear equations to solve this,

Let the number of notebooks be n and that of pencils be p,

n + p = 460

p = 460-n....(i)

1.75n + 0.05p = 218.50...(ii)

Using equation (i) in eq(ii)

1.75n + 0.05(460-n) = 218.50

1.75n + 23-0.05n = 218.50

1.7n = 195.5

n = 115

Hence, the number of notebooks the teacher purchased, is 115

Learn more about system of linear equations, click;

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the teacher purchased 115 notebooks

What are the domain and range of the function {(3, 1), (5, –1), (9, –1), (2, 7), (–4, 1)}? A.
Domain: {3, 5, 9, 2 }; Range: {1, 7}

B.
Domain: {3, 5, 9, 2, –4}; Range: {1, –1, 7}

C.
Domain: {1, –1, 7}; Range: {3, 5, 9, 2, –4}

D.
Domain: {1, 7}; Range: {3, 5, 9, 2 }

Answers

B.... the x is the Domain and the y are the values that the x map to (Range)

What times what equals 49

Answers

seven times seven equals forty nine

Cassidy says that the capacity is the same as the amount. Do you agree explain why or why not.

Answers

No, it's not the same thing. Capacity is how much one thing can hold, and amount is the quantity of something. They're similar, but different.

no she is not correct the the amount is how much you have capacity is how much of whatever you can have

Round 1.448 to the nearest hundreth of a dollar

Answers

The hundredths is the second digit after the decimal point.
So round the third digit after the decimal point.

1.448 rounds up to 1.45

Hope this helps!

1.450 is the anwser to it

Your aunt gives you a fish tank that holds 48 quarts of water. You can buy saltwater for the tank but only by the gallon. How many gallons of saltwater do you need to fill the tank?

Answers

12, there are 4 quarts in a gallon, 48/12=4

12 because 12 *4=48 4=quarts per gallon

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