3 years ago

38% of what is 152? Show work

2 answers:

3 0

Take that certain number we are looking for as 'n'

38% ⇒ 0.38

0.38n = 152

Divide by 0.38

0.38n = 152
/0.38 /0.38

n = 400

So 38% of 400 is 152.

serg [7]3 years ago

3 0

Ratio and proportion
152/x=38/100
cross multiply
38x= 15200
divide by 38
x= 400

hope this helps

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is the sum of two polynomials of degree 5 always a polynomial of degree 5? Give an example to explain your answer

ddd [48]

A counter example is

f(x)=5x^5+2x^3+3x
g(x)=-5x^5-x^4+x^2-4

Then f(x)+g(x) = -x^4+2x^3+x^2+3x-4 which is a polynomial of degree 4.

So the answer is no. Counter-example is given above.

7 0

3 years ago

What is the sum of the series 1 + ln3 + (ln3)^2/2!?

tresset_1 [31]

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