3 years ago

Help? 10 Points

Mathematics

2 answers:

Vera_Pavlovna [14]3 years ago

7 0

5) The answer is D
6) The answer is B

Luda [366]3 years ago

3 0

I think the answer is the third one

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At a store customers are randomly selected to participate in the survey on Friday there were 500 customers at the store. of thos

Artemon [7]

The probability is 90/500 =18%

700*18%= 700 *18/100 = 126

126 customers will be selected to participate in the survey on Saturday

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4 years ago

Use the definition of the logarithmic function to find x. log4 0.25=x x=?

GREYUIT [131]

The answer is -1.

$log_4(0.25) =log_4( \frac{1}{4})= log_4(4^{-1} ) \\ \\ 
log(x^{a} ) = a*log(x) \\ \\ 
log_4(4^{-1} )= -1 *log_4(4) \\ \\ 
log_y(x) = \frac{log(x)}{log(y)} \\ \\ 
-1 *log_4(4) = -1* \frac{log(4)}{log(4)} = -1$

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3 years ago

Which expression is equivalent to the following expression: 15 + 6x A. 3(5 +2x) B. 3(5 + 6x) C. 21x D. 15(6x)

Makovka662 [10]

It’s on photomath ifyou have it

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3 years ago

Find the factors of 4x2-16x-9.

zzz [600]

Answer:

Step-by-step explanation:

$4x^2-16x-9.\\Writ -16x - as -a -difference\\ 4x^2 +2x-18x -9 \\Factor -out- common- terms\\2x(2x+1)-9(2x+1)\\ Factor -out (2x+1)\\(2x+1)(2x-9)$

I Hope It Helps :)

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3 years ago

Read 2 more answers

Which of the following numbers are irrational

Fed [463]

letter d is one of the irrational numbers

4 0

3 years ago

Help? *****10 Points*****

Help? 10 Points