3 years ago

Fuaad solved an absolute value inequality and expressed the solution as -12

1 answer:

5 0

Inequalities require a sign of greater than, less than, greater than or equal to, or less than or equal to. It's never just a single number solution. It's always going to be a range of solutions

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The function f(x) = 0.11x + 43 relates how much Derek pays for phone service, f(x), to the number of minutes, x, used for intern

asambeis [7]

The answer is B. <span>$78.20; this is the amount Derek pays for 320 minutes of international calls.

Simply substitute in 320 wherever there is an x and solve. The problem also already told us that x stands for minutes so we know it is 320 minutes.</span>

6 0

2 years ago

A 70-meter path surrounds a rectangular garden. The width of the garden is two-thirds its length. Find the length and the width.

bagirrra123 [75]

$width=\frac{2}{3}length\\\\
70=2width+2length\\\\
70=2length+2(\frac{2}{3}length)\\\\
70=2length+\frac{4}{3}length\\\\
70=\frac{10}{3}length\ \ | divide\ by\ \frac{10}{3}\\\\
70*\frac{3}{10}=length\\\\
length=21m\\\\
width=\frac{2}{3}*21=14m
$