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Lynna [10]
3 years ago
14

Solve for x: −3|x + 7| = −12

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
3 0

Answer:

x=-3 x=-11

Step-by-step explanation:

−3|x + 7| = −12

|x + 7|=4

x+7=4 x+7=-4

x=-3    x=-11

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Answer: option c

Step-by-step explanation:

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To find the y-intercept, substitute x=0 into the equation and solve for "y".

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x-intercept

4x + 3y = 29\\\\4x + 3(0)= 29\\\\4x=29\\\\x=\frac{29}{4}\\\\x=7.25

y-intercept

4x + 3y = 29\\\\4(0) + 3y = 29\\\\3y=29\\\\y=\frac{29}{3}\\\\y=9.66

Graph a line that passes through the points (7.25, 0) and (0, 9.66)

- For the second equation:

x-intercept

2x - 3y = 1 \\\\2x - 3(0) = 1 \\\\2x=1\\\\x=0.5

y-intercept

2x - 3y = 1\\\\2(0) - 3y = 1\\\\-3y=1\\\\y=-0.33

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Observe the graph attached. You can see that point of intersection of the lines is (5,3); then this is the solution of the system. Therefore:

x=5\\y=3

7 0
3 years ago
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The cube below has a side length of one unit. What is its volume?
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Area of a rectangle 8cm long and 4cm in height. please tell me how to do this also, I'm so confused.
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tia_tia [17]

Answer:

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Step-by-step explanation:

1. Because angles 2 and 3 are Same Side Interior Angles, they must be supplementary.

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