3 years ago

What is the perimeter? Help plz....And no links!! I repeat No links!!!

Mathematics

2 answers:

Gnom [1K]3 years ago

7 0

Answer:48 cm

Step-by-step explanation:

a^2+b^2=c^2

a^2+16^2=20^2

a^2+256=400

a^2= 144

a = 12

12+16+20=48

Nana76 [90]3 years ago

4 0

Answer:

48 cm

Step-by-step explanation:

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Order these decimals greatest to least 0.2 ; -0.4 ; -4.5

Mice21 [21]

0.2,
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6 0

3 years ago

If 7 people each eat 3/8 pound of potato salad, how much potato salad will be eaten in all?

Nikitich [7]

1 people eat 3/8 pound of potato salad lets reoresent it：
x=3/8
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7x=n
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3 years ago

Need help :)<br><br><br><br> pleaseeeeeee :(

gayaneshka [121]

Answer: $x\geq 88$

This means that he has to save at least $88 or more to have enough money.

Step-by-step explanation:

He has $37 and he needs to save more (+) but we don't know how much more that is, so that's why that is our unknown value. (x). The sum of them has to be at least 125 or greater.

$37+x\geq 125$

Subtract 37

$x\geq125-37$

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8 0

3 years ago

WHAT IS THE AREA OF THE SHADED REGION?

vazorg [7]

Answer:

240cm

Step-by-step explanation:

4 0

3 years ago

Jack is building a deck that is 8 ft by 27.63 ft. He has the base built; he just needs to cover the surface with wood. When he g

gulaghasi [49]

The area of the deck is :
A ( deck ) = 8 * 27.63 = 221.04 ft²
The area of the sheet of wood:
A ( sheet ) = 4 * 8 = 32 ft²
221.04 : 32 = 6.9 ≈ 7 ( we need a whole number )
Answer: He should buy 7 sheets of wood to cover the surface of the deck.

5 0

3 years ago