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3 years ago

Question 1 of 10

Mathematics

2 answers:

Alex3 years ago

7 0

Answer: b. c. and a

Step-by-step explanation: a p e x

Vadim26 [7]3 years ago

6 0

Answer:

B, C

Step-by-step explanation:

graph the following lines with negative slopes and compare:

y = -x + 1

y = -20x + 2

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Semicircles

Studentka2010 [4]

Answer:

The area of the shaded portion of the figure is $9.1\ cm^2$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The shaded area is equal to the area of the square less the area not shaded.

There are 4 "not shaded" regions.

step 1

Find the area of square ABCD

The area of square is equal to

$A=b^2$

where

b is the length side of the square

we have

$b=4\ cm$

substitute

$A=4^2=16\ cm^2$

step 2

We can find the area of 2 "not shaded" regions by calculating the area of the square less two semi-circles (one circle):

The area of circle is equal to

$A=\pi r^{2}$

The diameter of the circle is equal to the length side of the square

$r=\frac{b}{2}=\frac{4}{2}=2\ cm$ ---> radius is half the diameter

substitute

$A=\pi (2)^{2}$

$A=4\pi\ cm^2$

Therefore, the area of 2 "not-shaded" regions is:

$A=(16-4\pi) \ cm^2$

and the area of 4 "not-shaded" regions is:

$A=2(16-4\pi)=(32-8\pi)\ cm^2$

step 3

Find the area of the shaded region

Remember that the area of the shaded region is the area of the square less 4 "not shaded" regions:

$A=16-(32-8\pi)=(8\pi-16)\ cm^2$

---> exact value

assume

$\pi =3.14$

substitute

$A=(8(3.14)-16)=9.1\ cm^2$

8 0

4 years ago

Jerome ran 3.2 miles. How many feet did Jerome run?

Tema [17]

16,896 feet is the distance

7 0

3 years ago

Read 2 more answers

Question 4(Multiple Choice Worth 5 points) (07.04 LC)What is the solution to the equation fraction 1 over 6x = 2? x = fraction 1

Elza [17]

X = fraction 1 over 12
x = fraction 1 over 3
x = 3
x = 12

The given choices are the successive steps to solve the question :fraction 1 over 6x = 2
of which the last choice is the solution.

6 0

3 years ago

10 POINTS + BRAINLIEST TO FIRST CORRECT ANSWER!!! THANK YOU!

Fofino [41]

Answer:

The answer is A (Look at the graph of the relationship. Find the y-value of the point that corresponds to x = 1. That value is the unit rate)

Step-by-step explanation:

Because the proportional relation is defined by k = $\frac{y}{x}$ . If ratio is $\frac{units}{1unit}$ then it is a rate. Unit rate means per 1 unit such as $\frac{amountofmoney}{1kg}$ or $\frac{km}{1hour}$ thus the correct answer is A.

3 0

3 years ago

Need help please. I need help with how to do these problems.

Vikki [24]

Look it up I will find it

3 0

3 years ago