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pshichka [43]
3 years ago
13

Could 16,30,31 be the side lengths of a right triangle? Explain why?

Mathematics
1 answer:
Vlad [161]3 years ago
4 0

Answer:

No

Step-by-step explanation:

Using the converse of Pythagoras' identity

If the longest side squared is equal to the sum of the squares of the other 2 sides then the triangle is right.

31² = 961

16² + 30² = 256 + 900 = 1156

Since 961 ≠ 1156 then the sides do not form a right triangle.

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Much help needed thank you
suter [353]

Answer:

14.29

Step-by-step explanation:

Let p be the price of the cd

we take the price of the cd plus the tax and it must be less than or equal to 15

the tax is the price of the cd times 5 %

p + p*.05 ≤15

Combine like terms

p*1.05 ≤15

Divide each side by 1.05

p ≤15/1.05

p  ≤14.28571429

Rounding to the nearest cent

p  ≤14.29

The maximum price is 14.29

7 0
3 years ago
Somebody, Anybody please help
taurus [48]
The answer should be 390=60s, assuming s is the number of shelves he would need.

By the way, if you want the answer using this formula:
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8 0
3 years ago
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Factor this polynomial completely.<br> x^2-81
ikadub [295]

Answer:

a=x and b=9

(x+9)(x−9)

Explanation:

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4 0
3 years ago
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Reema bought pencils for school in August, she gave them to her friends. She used
Veseljchak [2.6K]

Answer:

Reema bought 24 pencils in august.

Step-by-step explanation:

5 0
3 years ago
Dan uses 6 1/4 cups flour to make pita bread for his family. The recipe calls for 2 1/2 cups. How many batches of pita bread rec
Dominik [7]
Here is the answer to the problem above. Given that the recipe only calls for 2 and 1/2 cups and this is for one batch only, and Dan used 6 and 1/4 cups, we will solve how many batches of pita bread he made by dividing 6 and 1/4 by 2 and 1/2. So this would be 25/4 divided by 5/2. So the result is 2 and 1/2. So the number of batches of Pita bread he made is 2 and 1/2 batches. Hope this answer helps.
5 0
3 years ago
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