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3 years ago

(7x – 8) + (3X + 8) = 180 x=

Mathematics

1 answer:

GenaCL600 [577]3 years ago

3 0

Step-by-step explanation:

I have answered ur question

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3 years ago

Beth works 8 2/4 hours, drives 1 1/4 hours, cooks 3/4 hours, and sleeps 7 2/4 hour's each day. How many hours of free time does

Jobisdone [24]

--------------------------------------------------------------------
Total time spent on work, drive cook and sleep
--------------------------------------------------------------------

$8 \frac{2}{4} + 1 \frac{1}{4} + \frac{3}{4} + 7 \frac{2}{4}$

$= 16 \frac{8}{4}$

$= 18$

------------------------------------------------------------------
Calculate Free Time
------------------------------------------------------------------
24 - 18 = 6

------------------------------------------------------------------
Answer: 6 hours of free time
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3 years ago

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3 years ago

Make (X-12)/(x-8) equal to zero A)-2 B)-8 C)2 D)8

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Answer:

x=12 makes (X-12)/(x-8) equal to zero

x=8 makes (X-12)/(x-8) undefined

Step-by-step explanation:

(x-12)/(x-8) = 0

The first step is to multiply each side by x-8

(x-8) *(x-12)/(x-8) = 0 * (x-8)

This cancels the denominator. x≠ 8 because the denominator would equal 0 and then it becomes undefined.

x-12 = 0

Add 12 to each side

x-12+12 = 0+12

x = 12

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