I'm stuck on like 3 I'm in fourth help plss

Mathematics

1 answer:

Studentka2010 [4]2 years ago

5 0

Answer:

I got you buddy!

1. 20

2. 200

3. 2000

Step-by-step explanation:

So when you see a number with a little number you multiply the number by itself the same amount of times as the little number up top for example.

10x1= 10

10x10=100

10x10x10=1000

then what you do is take those numbers we multiplied and multiply them again by 2

so its.

2x10=20

2x100=200

2x1000=2000

Hope this helped you buddy!

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Solve for y thank you

Semenov [28]

Answer: y = 1

Step-by-step explanation:

9x + (3 x 1) = 12

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3 years ago

The diagram below gives the dimensions of a swimming pool. 18 ft , 20ft, 36ft (c) What is the total area of the swimming pool? E

WARRIOR [948]

The picture in the attached figure

Part 1) What is the total area of the swimming pool?

we know that
area of the swimming pool=area rectangle-area semi circle

area rectangle=20*36-----> 720 ft²

area semicircle=pi*r²/2
r=18/2----> 9 ft
area semicircle=pi*9²/2----> 127.17 ft²

area of the swimming pool=720 ft²-127.17 ft²----> 592.83 ft²

the answer Part 1) is
The area of the swimming pool is 592.83 ft²

Part 2) What is the perimeter of the swimming pool?

perimeter of the swimming pool=perimeter of rectangle-18 ft+perimeter semi circle
perimeter of rectangle=2*[20+36]---> 112 ft

perimeter semi circle=2*pi*r/2----> pi*r
r=9 ft
perimeter semi circle=pi*9----> 28.26 ft
so
perimeter of the swimming pool=112 ft-18 ft+28.26 ft----> 122.26 ft

the answer Part 2) is
122.26 ft