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Viefleur [7K]
4 years ago
11

PLZZZZ SOMEBODY HELP ASAP!!!

Mathematics
1 answer:
STALIN [3.7K]4 years ago
7 0
Part A) 2y(x³+6x-2x²-12)

Part B) 2y(x²+6)(x-2)

Explanation:
Part A)  The GCF of the coefficients is 2, as the smallest coefficient is 2 and they are all even.  The only variable that is in all 4 terms is y, so the GCF is 2y.  Factoring this out of the first term leaves us with x³; from the second term leaves us 6x; from the third term leaves us -2x²; and from the last term leaves us -24.

Part B) Once the GCF is factored out, we group the remaining factor in parentheses, the first two terms together and the last two together:
2y[(x³+6x)+(-2x²-12)]

Take the GCF out of each group:
2y[x(x²+6)+-2(x²+6)]

Factor out what both have in common, x²+6:
2y(x²+6)(x-2)
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Equation 1: m = 8 + 2n
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Answer:

1:×4

m×4=(8+2n)×4

4m=32+8n

now,

1:×4 - 2:

4m-4m = 32+8n -4+4n

0=(32-4) +(8n-4n)

0=28+4n

28=-4n

n= -7

n=-7. 1:,

m=8+2n

m=8+2×(-7)

m=8-14

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7 0
3 years ago
What is log(4k-5)=log(2k-1)?
Paha777 [63]
Log(4k - 5) = log(2k - 1)
log(4k) - log(5) = log(2k) - log(1)
0.6020599913k - 0.6989700043 = 0.3010299957k - 0
0.6020599913k - 0.6989700043 = 0.3010299957k
<u>-0.6020599913k                            -0.6020599913k</u>
                           <u>-0.6989700043</u> = <u>-0.3010299957k</u>
                           -0.3010299957     -0.3010299957
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7 0
3 years ago
A firecracker shoots up from a hill 160 feet high, with an initial speed of 90 feet per second. Using the formula H(t) = −16t2 +
Masja [62]

When the firecracker hits the ground, H(t) = 0.0 = -16t^2 + 90t + 160 Using the quadratic formula,t = (-90 +- sqrt(90^2 - 4(-16)(160))) / 2(-16)t = -1.42 ort = 7.04

The negative time is extraneous. Therefore,t = 7.04 s.

Seven Seconds is your answer!

3 0
3 years ago
Read 2 more answers
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Serjik [45]

Answer:

Step-by-step explanation:

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4 0
3 years ago
Dividing by 28 is the inverse of?
Fantom [35]

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6 0
3 years ago
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