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ser-zykov [4K]
3 years ago
15

A 20 cm long thin wire is used to form a square. What is the area of the square?

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
6 0

Answer:

25cm^2

Step-by-step explanation:

A square has 4 equal sides so each side will be 20/4 = 5cm

Easily calculate the area by taking 5 x 5 = 25cm^2

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when 55 is added to a certain number and the sum is divided by 3 , the result is 4 times the original number what is the origina
gogolik [260]

Answer:

4.99

Step-by-step explanation:

i cant remember how i got 4.99 but can show u how to check

= 55 +<u> 4.99 </u>= 59.99

59.99 divide <u>3</u> = 19.99666667

= 19.99666667 divide 4 (working in reverse as it says 4 times the orig no.)

= 4.99 (was rounded)

7 0
3 years ago
Mark spent 135$ on his comic book collection. he just sold it online for 310$. approximately what is the profit as a percent of
V125BC [204]

Answer:

It would be B

Step-by-step explanation:

310-135=175

175/135

7 0
2 years ago
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If cosA+sinA=√2, then prove A=45°.
Lyrx [107]

Answer:

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Step-by-step explanation:

6 0
2 years ago
Subtract this problem
galina1969 [7]
I think it's 1.90. I am not fully sure about the answer if it's wrong.
6 0
3 years ago
PLEASE HELP ASAP!! SPAM ANSWERS WILL BE DELETED
kompoz [17]

Answer:

the answer is B), k = 6j

Step-by-step explanation:

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