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3 years ago

Claire is decorating a card for her friend. She has a square piece of paper with an area of 36 square inches. She wants to put

Mathematics

1 answer:

kompoz [17]3 years ago

5 0

Answer:

Step-by-step explanation:

Since area equals the side squared each side is 6 inches. The perimeter is just four times a side so

4(6)=24 inches.

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Prove that: 5^31–5^29 is divisible by 100.

ANEK [815]

Answer:

See explanation

Step-by-step explanation:

Consider the expression

$5^{31}-5^{29}$

First, factor it:

$5^{31}-5^{29}=5^{29}\cdot(5^2-1)=5^{29}\cdot (25-1)=24\cdot 5^{29}$

Note that

$100=25\cdot 4$

Then

$5^{31}-5^{29}=24\cdot 5^{29}=6\cdot 4\cdot 25\cdot 5^{27}=6\cdot 100\cdot 5^{27}$

This shows that number 100 is a factor of the expression $5^{31}-5^{29}$ and, therefore, this expression is divisible by 100.

5 0

3 years ago

A. acute; 45 B. Acute; 55 C. Obtuse; 135 D. Obtuse; 45

xxMikexx [17]

It’s A, if you add 70 and 65 you get 135 and 180-135=45 :)

6 0

3 years ago

Simplify 7y-4y-5y Thanks :)!

Jobisdone [24]

7y-4y-5y
7y-9y
-2y
...........

7 0

3 years ago

Read 2 more answers

If a marble rotates 180 degrees in 9 seconds, how many does it rotate in 18 seconds.

Troyanec [42]

It would rotate 360 degrees because 18 seconds is twice the amount of 9 seconds, so you need to multiply 180 by 2, which is 360, or one full rotation.

6 0

3 years ago

Read 2 more answers

How do u make 66.6% a fraction

Bumek [7]

Well a percent is always a number/100 (3%=3/100)
So what you have to do is put 66.6 over 100 and get
66.6/100 as your answer.

7 0

3 years ago