2 years ago

What is 80% of 35? (EXTRA CHARACTERS)

2 answers:

7 0

Reason why it's 28:
If you want to find the percentage of a given number,
you multiply the percentage into the number
35*.8 = 28

andrey2020 [161]2 years ago

5 0

80% of 35 is 28 :) hope this helps!

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The difference between two positive integers is 44. if the smaller is added to the square of the larger, the sum is 376376. find

pochemuha

Let a be the bigger number and b the smaller.

So a-b=44

and a^2+b=376376

(44+b)^2+b=376376

b^2+89b -374440=0

Solve for b and you get a. Are you sure it is 376376 not 376?

5 0

3 years ago

What is the value of 3 to the power 2 over 3 to the power 4? A. 1 over 81 B. 1 over 27 C. 1 over 9 D. 1 over 3

rodikova [14]

One way you could solve this is to just multiply the top and bottom out so that you get 9/81, reducing it by 9/9 to get 1/9 or option C.
Another way would be to do $3^{(2-4)}$ since dividing numbers with exponents would be subtracting the bottom exponent from the top exponent, provided that the base number (in this case 3) is the same for both. For this method, you would get $3^{-2}$ , which is equal to 1/9 or .1 repeating, the same answer that you'd get with the first method.