2 years ago

How do I give someone brainliest

1 answer:

3 0

First, you have to wait until 2 people answer your question. When you finally see 2 people, a crown will pop up on your browser. Then pick which ever person you want or the best answer. That's all you have to do.

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Factor Completely.<br> 30r^2 + 30r + 75.

kari74 [83]

Answer:

15(2r^2+2r+5)

Step-by-step explanation:

I'm more of a guess and check type of person, but 15 x 2r^2 = 30r^2, 15 x 2r = 30r, and 15 x 5 = 75

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2 years ago

If (x+2) is a factor of x^3-6x^2+kx+10, k=

Alja [10]

If a binomial $(x-a)$ is a factor of a polynomial, then $a$ is a root of this polynomial.

$(x+2)=(x-(-2)) \Rightarrow a=-2\\\\
(-2)^3-6\cdot(-2)^2+k\cdot(-2)+10=0\\
-8-24-2k+10=0\\
-2k=22\\\
\boxed{k=-11}
$

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2 years ago

David has $100.00 saved in the bank. a payment is taken out of his account for $150.00. he makes a deposit for $50.00 but at the

Dmitry_Shevchenko [17]

Gimme a few mins, imma edit this later... ;-;

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3 years ago

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You are installing a new pre-constructed fence in front of your house. each fence section measures 4 ½ feet wide, and each end w

irga5000 [103]

Since, each side of the fence should have the 1 3/4 feet wide decorative piece, the width of the fence should be subtracted by 2 pieces (1 3/4 feet)
= 26.5 feet
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2 years ago

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Which expression is equivalent to (s+7) + 8 by the Associative Property of Addition? *

Maurinko [17]

An equivalent expression would be s+15

You simplify the expression.

So yea the answer is s+15

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2 years ago

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