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tankabanditka [31]
4 years ago
12

X - 2(x+10) = 12 need work shown please

Mathematics
1 answer:
Serhud [2]4 years ago
6 0

Answer:

x=-32

Step-by-step explanation:

expand -2(x+10): -2x-20

x-2x -20=12

add similar elements: x-2x=-x

x-20=12

add 20 to both sides

-x-20+20=12+20

simplify

-x=32

divide both sides by -1

x=-32

:

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Answer:

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Step-by-step explanation:

Substitutet -7 for y in -3(9+y):  -3(9 - 7)  =  -3(2)  =  -6

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Mark worked 5 2/3, 9 1/3, 8 3/5, 9 2/5, and 9 hours during the week. If he earns $6.55 per hour, how much did he earn before ded
serious [3.7K]
Thank you for posting your question here. Below is the solution:

ark worked 5 2/3 + 9 1/3 = 15 hours. 8 3/5 + 9 2/5 = 18 hours + 9 hours. 
<span>15 + 18 + 9 = 42 hours worked @ $6.55 per hour </span>
<span>40 hours regular pay and 2 hours overtime. </span>
<span>Over time is 1 1/2 X $6.55 = $9.83 per hour X 2 hours overtime worked = $19.65 in over time . </span>
<span>40 hours @ $6.55 = $262.00 + $19.65 = $281.65.Gross pay </span>

<span>Chris. </span>
<span>5 1/2 + 9 1/2 = 15 hours </span>
<span>8 4/5 + 5 1/5 = 14 hours </span>
<span>14 + 15 = 29 hours worked. @ $9.65 per hour = $279.85 Gross pay </span>
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Step-by-step explanation:

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Two parallel lines are cut by a transversal. Which statements are true for all such cases? Select three that apply.
Misha Larkins [42]

Question:

Two parallel lines are cut by a transversal. Which statements are true for all such cases? Select three that apply.

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B.Each pair of corresponding angles is congruent.

C.Each pair of supplementary angles is congruent.

D.Each pair of alternate interior angles is congruent.

<u>Answer</u>:

The following statements are true

A.Each pair of vertical angles is congruent.

B.Each pair of corresponding angles is congruent

D.Each pair of alternate interior angles is congruent.

<u>Step-by-step explanation: </u>

When straight lines intersect, vertical angles appear.

Vertical angles are ALWAYS equal in measure,

whether the lines are parallel or not.They  share the same Vertex

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