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xxMikexx [17]
3 years ago
5

What is the x for -3(x-8) = 39

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
8 0

................................

Rzqust [24]3 years ago
7 0

Answer:

x = -5

Step-by-step explanation:

-3x + 24 = 39

-3x = 15

x = -5

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Find an equation of the line perpendicular to the graph of 14x-7y=8 that passing through the point at (-2,5).
MAXImum [283]

Answer:

2x + 4y = 16.

Step-by-step explanation:

14x - 7y = 8

Convert to slope-intercept form:

-7y = -14x + 8

y = 2x - 8/7

The slope is 2 so the line perpendicular to it has a slope of -1/2, so we have:

y = 1/2x + c

This line passes through the point (-2, 5) so:

5 = -1/2* (-2) + c

5 = 1 + c

c = 5 - 1 = 4

So our equation is y = -1/2x + 4.

Convert to standard from

4y = -2x + 16

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7 0
3 years ago
Parallelogram R S T U is shown. Diagonals are drawn from point R to point T and from point U to point S and intersect at point V
stiv31 [10]

Answer:

Option C.

Step-by-step explanation:

Given information: RSTU is a parallelogram, Digonals RT and SU intersect each other at point V, UV=(x-3) and VS=(3x-13).

According to the properties of a parallelogram, the diagonals of a parallelogram bisect each other.

Using the properties of parallelogram we can say that point V divides the diagonal SU in two equal parts, UV and VS.

VS=UV

3x-13=x-3

Subtract x from both sides.

2x-13=-3

Add 13 on both sides.

2x=10

Divide both sides by 2.

x=5

Therefore, the correct option is C.

3 0
3 years ago
Read 2 more answers
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