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SashulF [63]
3 years ago
15

Hey! Can someone do this real quick? 20 points!!!

Mathematics
2 answers:
Nastasia [14]3 years ago
6 0

Answer:62.83

Step-by-step explanation:

Because the perimeter/circumference of that circle is 125.66 and half of that is 62.83 since that’s a semi circle.

likoan [24]3 years ago
5 0

Answer:

i think about 80 cm or 100cm

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If y = 8 cm, what is the area of the blue section of this shape?
Ivahew [28]

Answer:

56 cm squared

Step-by-step explanation:

First things first: Cop one triangle off the rectangle, and attach it to the other one, so the shape looks like a L

Now I can actually solve this:

The left side is 8 cm (because y = 8 cm)

The top is 10 cm

The middle is 6 cm

The inside left is 3 cm

And the very bottom is 2 cm

First, we'll solve for the newly constructed rectangle: 3 x 2. That equals 6.

Next, solve for the longer rectangle: 10 x 5. That's 50.

Now, add the two areas, and we get 56. So the area of the whole thing is 56 cm squared.

(Please keep in mind that I could be wrong, so double check it for me, thanks!)

7 0
2 years ago
What is the least angle measure by which this figure can be rotated so that it maps onto itself?
Vinil7 [7]
T think its 90 hope this helpes

7 0
2 years ago
Read 2 more answers
I need urgent help plzz the answer will be marked as brainliest
ludmilkaskok [199]

  1. 51cm^2
  2. 27cm^2
  3. 78cm^2

to find the area of compound shapes, you break them apart and find each shapes area then add it together.

to find the area of a square, use A=l * w

to find the area of a triangle, use, A= 1/2 b * h

6 0
3 years ago
Look at this equation <br> y=7x+1/3x-6<br> if 3x=15, then what is the value of y?
Anarel [89]

Answer:

y=36/9 or y=4

Step-by-step explanation:

3x=15: x=5

y=7(5)+1/3(5)-6

y=36/15-6

y=4

4 0
3 years ago
Read 2 more answers
What is the answer to this question? Please Help.
Arte-miy333 [17]

Answer:

x = 2, y= 3

Step-by-step explanation:

y = -2x+7

y = 5x-7

Since the equations are both equal to y, set them equal to each other

-2x+7 = 5x-7

Add 2x to each side

-2x+7 +2x= 5x+2x-7

7 = 7x -7

Add 7 to each side

7+7 = 7x

14 = 7x

Divide by 7

14/7 = 7x/7

2 = x

Now find y

y = 5x-7

y = 5*2 -7

y = 10-7

y =3

5 0
3 years ago
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