MATHEMATICS MIDDLE SCHOOL

A circle has a diameter of 12 inches. what is the area of the shaded section. use 3.14 as pi. no a,b,c,d just an exact answer thanks

Answers

Answer 1

Answer:

Answer:

Area of shaded section is 113.04

Step-by-step explanation:

Area of circle is calculated by formula $A=\pi r^(2)$ .

where 'r' is radius.

here given diameter is 12 inches .

so radius is calculated as $r=(d)/(2)=(12)/(2)=6$

and value of $\pi$ is 3.14

so, Area is ;

$A=\pi r^(2)$

Put value of $\pi =3.14$ and r=6 inches

$A=3.14*6^(2)$

$A=3.14*36$

$A=113.04$

Hence, area of shaded section is 113.04

Answer 2

Answer: A = pi r ^2
A = 3.14(6^2)
A= 3.14 (36)
A = 113.04

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Jan received -22 points on her exam. She got 11 questions wrong out of 50 questions. How much was Jan penalized for each wrong answer?

Answers

-22 divided by 11 equals -2.
Jan was penalized -2 points for each question answered incorrect.

10) (a) Translate the question below into an equation.What percent of $4200.00 is $115.50?

(b) Solve the equation that you found for Part (a), showing all work.

Answers

Part a) What percent of $4200.00 is $115.50?

Let us assume x % is $4200.00 is $115.50.

% represents out of (over 100).

So, x% could be written in fractions as x/100.

Therefore, we can setup an equation as

$(x)/(100)=(115.50)/(4200.00)$

This is the answer for first part.

Part B) We have x/100 = 115.50/4200.00 in part a.

Dividing 115.50 by 4200.00 on right side, we get

x/100 = 0.0275.

We have 100 in denominator of x.

In order to get rid number from denominator, we always multiply both sides by the number in denominator.

So, multiplying both sides by 100, we get

100* x/100 = 100* 0.0275.

We remain just x on left side.

On multiplying 0.0275 decimal number by 100, the decimal will move two digits right.

So, we get x= 2.75.

Therefore, $115.50 is 2.75% of $4200.00.

price of sneakers 245,and the sales tax 6.5%.WHAT IS THE TOTAL COST OF THE SPEAKERS INCLUDING SALES TAX

Answers

First, we can divide the percentage (6.5) over 100.

6.5/100 = 0.06

Second, we can multiply the decimal by the cost of the sneakers.

0.06 × 245 = 15.92

So, now we know that the 6.5% tax will make us add an extra $15.92 to the total cost of the shoes. Our last step is to add the extra dollars onto the original cost of the sneakers.

15.92 + 245 = 260.92

-----------

The total cost of the sneakers will be $260.92.

Odd numbers between 40 and 49

Answers

The odd numbers between 40 and 49: 41,43,45,47

Odd numbers between 40 and 49.

Answer: 41,43,45,47

a video game enthusiast saved $750 to spend on a video game player and games. The player costs $400. the games cost $49 each. at most, how many games can the enthusiast buy along with the player

Answers

the answer is you could by 6 games. mostly because you would have 10 dollors left . so now you can add me as a friend my name is angel1600 yessss.

Solve. 2x + 4 < 5x + 3 A) x > 3 B) x < 3 Eliminate C) x > 1/3 D) x < 1/3Solve.

2x + 4 < 5x + 3

A)
x > 3

B)
x < 3
Eliminate

C)
x >
1
3

D)
x <
1
3

Answers

Answer:

1) C

Step-by-step explanation:

1) 2x + 4 < 5x + 3

3x > 1

x > ⅓

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