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Maslowich
2 years ago
7

Answer within 5 minutes, and get brainliest! What is -2(3x+12y-5-17x-16y+4) simplified?

Mathematics
1 answer:
erastova [34]2 years ago
4 0

Answer:

28+8+2

Step-by-step explanation:

-2(3x+12y-5-17x-16y+4)

-2(3x+12y-1-17x-16y+4)

-2(3+12-1-17-16)

-2(-14+12-1-16)

-2(-14+12-1-16y)

-2(-14-4-1)

-2(-14-4-1)

28+8+2

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Solve for r. p = 4r 3t
notsponge [240]
P = 4r + 3t
4r = p - 3t
r = (p - 3t)/4
8 0
3 years ago
What is 25.5n - 3 = 5.5n + 10.
klemol [59]
N = 13/20 or 0.65

25.5n - 3 = 5.5n + 10

Add 3 to both sides of the equation.

25.5n = 5.5n + 13

Subtract 5.5n from both sides.

20n = 13

Divide both sides by 20.

n = 13/20 or 0.65
3 0
3 years ago
PLEASE HELP<br><br>divide. (3x-2)(x-4)-(x-4)(6-5x)<br>/(4-x)(8x-1)​
8_murik_8 [283]

Answer:

x = 39/74 - sqrt(1817)/74 or x = 39/74 + sqrt(1817)/74

Step-by-step explanation:

Solve for x:

(x - 4) (3 x - 2) - ((6 - 5 x) (x - 4) (8 x - 1))/(4 - x) = 0

Simplify and substitute y = 4 - x.

(x - 4) (3 x - 2) - ((6 - 5 x) (x - 4) (8 x - 1))/(4 - x) = -434 + 257 (4 - x) - 37 (4 - x)^2

= -37 y^2 + 257 y - 434:

-37 y^2 + 257 y - 434 = 0

Divide both sides by -37:

y^2 - (257 y)/37 + 434/37 = 0

Subtract 434/37 from both sides:

y^2 - (257 y)/37 = -434/37

Add 66049/5476 to both sides:

y^2 - (257 y)/37 + 66049/5476 = 1817/5476

Write the left hand side as a square:

(y - 257/74)^2 = 1817/5476

Take the square root of both sides:

y - 257/74 = sqrt(1817)/74 or y - 257/74 = -sqrt(1817)/74

Add 257/74 to both sides:

y = 257/74 + sqrt(1817)/74 or y - 257/74 = -sqrt(1817)/74

Substitute back for y = 4 - x:

4 - x = 257/74 + sqrt(1817)/74 or y - 257/74 = -sqrt(1817)/74

Subtract 4 from both sides:

-x = sqrt(1817)/74 - 39/74 or y - 257/74 = -sqrt(1817)/74

Multiply both sides by -1:

x = 39/74 - sqrt(1817)/74 or y - 257/74 = -sqrt(1817)/74

Add 257/74 to both sides:

x = 39/74 - sqrt(1817)/74 or y = 257/74 - sqrt(1817)/74

Substitute back for y = 4 - x:

x = 39/74 - sqrt(1817)/74 or 4 - x = 257/74 - sqrt(1817)/74

Subtract 4 from both sides:

x = 39/74 - sqrt(1817)/74 or -x = -39/74 - sqrt(1817)/74

Multiply both sides by -1:

Answer:  x = 39/74 - sqrt(1817)/74 or x = 39/74 + sqrt(1817)/74

7 0
3 years ago
F is directly proportional to a . If F = 24 when a = 8 find, F when a = 6
Brilliant_brown [7]

Answer:

18

Step-by-step explanation:

24=8×3

If F=24 when A=8 then F is directly proportional to A•3

6 0
3 years ago
Let v = -3i and w = 2 - 4i. Find v -W.
Ivanshal [37]

Answer:

i - 2

Step-by-step explanation:

v - w \\  - 3i - (2 - 4i) \\  - 3i - 2 + 4i \\  = i - 2

4 0
3 years ago
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