3 years ago

1/3(12+X)=-8(6+X) Find x

1 answer:

4 0

If you would like to solve the equation 1/3 * (12 + X) = -8 * (6 + X) for X, you can calculate this using the following steps:

1/3 * (12 + X) = -8 * (6 + X)
1/3 * 12 + 1/3 * X = -8 * 6 - 8 * X
4 + 1/3 * X = - 48 - 8 * X
1/3 * X + 8 * X = - 48 - 4
8 1/3 * X = - 52
25/3 * X = - 52 /*3/25
X = - 52 * 3 / 25
X = - 156/25
X = - 6 6/25

The correct result would be - 6 6/25.

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3 years ago

Kerille is reading a book at the rate of 4.5 pages per minute. What ordered pair on a graph of his reading rate would represent

viva [34]

This is a linear equation y = mx, where:
m= slope or reading rate:
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4 years ago

Melinda paints 7/8 of a wall in 1 1/6 hours. What part of a wall does Melinda paint in 1 minute

Ivanshal [37]

1 1/6 hrs.....1 hr = 60 minutes......1/6 hr = 1/6(60) = 60/6 = 10 minutes....therefore, 1 1/6 hrs = 70 minutes

(7/8) / 70 = x / 1....7/8 of the wall to 70 minutes = x wall in 1 minute
cross multiply
(70)(x) = (7/8)(1)
70x = 7/8
x = (7/8) / 70
x = 7/8 * 1/70
x = 7 / 560 reduces to 1/80 <== she paints 1/80 of the wall in 1 minute

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3 years ago