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PSYCHO15rus [73]
3 years ago
10

Need help on answering 8.

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
8 0

Answer:

Step-by-step explanation:

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A. 7.64

Step-by-step explanation:

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Marysya12 [62]

Answer:

Step-by-step explanation:

6x2 + 5x - 4

6x2 + 8x - 3x - 4

2x(3x + 4) - 1(3x + 4)

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7 0
2 years ago
The equation of line CD is (y−3) = − 2 (x − 4). What is the slope of a line perpendicular to line CD? (4 points) negative 1 over
jonny [76]

Answer:

answer 1/2

Step-by-step explanation:

y-3=-2(x-4)

y-3=-2x+8

y=-2x+11

y=mx+c

m= slope which is -2

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7 0
3 years ago
Make a subject of r = square root of a / 3
hodyreva [135]
Multiply both sides by 3 to get:

3r = sqrt(A)

Square both sides:

9r^2 = A
4 0
3 years ago
Find x (round to the nearest tenth)
never [62]

9514 1404 393

Answer:

  x = 8

Step-by-step explanation:

By AA similarity, ΔABD ~ ΔCDE. So, corresponding sides are proportional.

  AB/BD = CD/DE

  x/12 = 4/6

  x = 12(4/6)

  x = 8

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2 years ago
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