3 years ago

What is the answer to this problem? And how do you work it? -3(x+2)=

Mathematics

2 answers:

torisob [31]3 years ago

4 0

I hope this helps you (-3).x+2. (-3) -3x-6

Marina CMI [18]3 years ago

3 0

-3(x+2)
(-3 *x) + (-3 *2) (Distributive Property)
SImplify
-3x - 6
-3x = 6
divide both sides by -3 then
-3x/-3 = 6/-3
simplify
x = -3

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Graph the solution to the inequality 2x-3y<18

frutty [35]

<, > - dotted line

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$2x-3y\dfrac{2}{3}x-6\\\\y=\dfrac{2}{3}x-6-\text{It's a linear function}\\\\for\ x=0\to y=\dfrac{2}{3}(0)-6=0-6=-6\to(0;\ -6)\\\\for\ x=6\to y=\dfrac{2}{3}(6)-6=2(2)-6=4-6=-2\to(6;\ -2)$

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3 years ago

I tried solving it but I everytime I follow how its suppose to go, I dont get the right answer.

77julia77 [94]

Answer:

B. 64.9

Step-by-step explanation:

A graphing calculator or spreadsheet can fit these points with an exponential curve. An appropriate answer for x=14 is about 73.3.

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Comment on the answer choices

The closest answer that makes any sense is 64.9. Often these problems are worked by someone who uses inappropriate rounding of intermediate results. I haven't found the magic set of numbers to get 64.9. About the lowest I can get is 66.7, using 0.0037·e^(0.7x).