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EmmaH
 3 years ago
Which inequality has the following solution? :
x/4≥16
4x>16
5x>20
8x≤32
pl explain i am really confused please show me steps :(
EmmaH
 3 years ago
Which inequality has the following solution? : x/4≥16 4x>16 5x>20 8x≤32 pl explain i am really confused please show me steps :(

This Question is Closed

poopsiedoodle
 3 years ago
Best ResponseYou've already chosen the best response.0First off, it's D. Divide both sides by 8, and switch the sign, and you get x≥4

EmmaH
 3 years ago
Best ResponseYou've already chosen the best response.0divid eboth sides of what?

EmmaH
 3 years ago
Best ResponseYou've already chosen the best response.0how did you find the equation to start out nwith?

poopsiedoodle
 3 years ago
Best ResponseYou've already chosen the best response.0I went through each of the answers to find out which one fits the graph. A black circle means it's going to be a greater than/less than sign with a line under it, so B and C were out. Then I eliminated the coefficients on the X variable for A and D by multiplying A by 4 and dividing D by 8, and A was x≥64 and D was x≥4

elisichi
 3 years ago
Best ResponseYou've already chosen the best response.1EmmaH, this is really easy :) So, by looking at the graph you know that x has to equal four or more. so: \[x \ge 4\] So it is obviously not the first 3. The answer is \[8x \le 32 = x \ge 4\] So, the last option. Remember dividing by a negative changes the inequation sign.
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