3 years ago

Prove that (1+2w) (1 +2w ^2)(1-w-w^2)=6Prove that (1+2w) (1 +2w ^2)(1-w-w^2)=6

Mathematics

1 answer:

Effectus [21]3 years ago

7 0

Step-byp explanation:

x is the answer

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Please help right now!!!!! Solve the system of equations below. x + y = 7 2x + 3y = 16

motikmotik

Answer:

$x=5$ and $y=2$ .

Step-by-step explanation:

We have been given a system of equations. We are asked to solve our given system.

$x+y=7...(1)$

$2x+3y=16...(2)$

From equation (1), we will get:

$x=7-y$

Upon substituting this value in equation (2), we will get:

$2(7-y)+3y=16$

$14-2y+3y=16$

$14+y=16$

$14-14+y=16-14$

$y=2$

Now, we will substitute $y=2$ in equation (1).

$x+2=7$

$x+2-2=7-2$

$x=5$

Therefore, the point $(5,2)$ is solution for our given equation.

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Tim runs 3 miles every 45 minutes. At this rate, how long did it take Tim to run 18 miles?

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Answer: 270 minutes or 4 hours and 30 minutes

Step-by-step explanation: 3x6 =18 and 45 x 6= 270

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One moving company charges $800 plus $16 per hour. another moving company charges $720 plus $21 per hour. at what number of hour

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Factor the polynomial. 54c3d4 + 9c4d2 A. 9c3d2(d2 + 6c) B. 9c3d2(6d2 + c) C. 9c4d2(d2 + 6) D. 9c4d2(6d2 + 1)

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Answer is = 9c^3 d^2 (6d^2 + c)

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