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Lady_Fox [76]
3 years ago
7

PLEASE HELP

Mathematics
1 answer:
Ronch [10]3 years ago
7 0

Answer:

<em><u>1 and 5</u></em>

Step-by-step explanation:

The squares have a side length of 10 and 1 square side is the radius of the half-circles. Since there are two half-circles, find the circumference for one full circle:

C=2\pi r

Insert the radius:

r=10\\C=2\pi *10

Simplify pi:

C=2*3.14*10

Simplify multiplication:

C=6.28*10\\C=62.8

The circumference of the circles is 62.8. Now find the perimeter of the exposed squares with side length 10. There are 4 exposed sides, which equals one square. Find the perimeter:

P=10+10+10+10\\P=10+10+20\\P=10+30\\P=40

Add the perimeter of the circle and the square together:

P=62.8+40=102.8

Now see which of the options gives you the perimeter:

1. 40+20\pi =102.8  ****

2. unavailable

3. 120+20\pi =182.8

4. 300+100\pi =614.2

5. 10+10+10\pi +10+10+10\pi =102.8 ****

Finito.

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Part 2: It is given that the function f(x) is transformed to \frac{-1}{2}f(x)

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5 0
3 years ago
What is the value of x to the nearest tenth?
Mashcka [7]

ANSWER

9.7 units

EXPLANATION

According to the Pythagoras Theorem, the square of the hypotenuse is equal to the sum of the squares of the two shorter legs

{x}^{2}  +  {7}^{2}  =  {12}^{2}

This implies that,

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Group similar terms,

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x = 9.7 \: units

to the nearest tenth.

5 0
3 years ago
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