2 years ago

This is a unit test right answers only pls

Mathematics

1 answer:

erma4kov [3.2K]2 years ago

7 0

Answer:

Step-by-step explanation:

took da test

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Elana runs for 28 seconds and finishes at 250 meters .what is her velocity

Sophie [7]

Answer:

8.9m/s

Step-by-step explanation:

Time= 28s

Displacement= 250m

Velocity=?

Velocity (v) = displacement (d)/ Time (t)

V= 250/28

V=8.9m/s

OR YOU CAN APPROXIMATE IT

V=8.928

YOU CAN APPROXIMATE IT TO

V=8.93m/s

3 0

3 years ago

If a,b,c,d, and e are non negative such that x^6-289x^4-x^2+289=(x-a)(x+b)(x_c)(x+d)(x^2+ex+1), what is the value of a+b+c+d+e?

Irina18 [472]

Answer:

Step-by-step explanation:

Hello,

If $X=x^2$ it becomes

$X^3-289X^2-X+289=(X^2-1)(X-289)$

and $289=17^2$

$X^2-1=(X-1)(X+1)=(x^2-1)(x^2+1)=(x+1)(x-1)(x^2+1) \\\\x^2-289=x^2-17^2=(x-17)(x+17)$

So,

$x^6-289x^4-x^2+289=(x^2-1)(x^2+1)(x^2-289)=(x-1)(x+1)(x+17)(x-17)(x^2+1)$

a = 1

b = 1

c = 17

d = 17

e = 0

Then a + b + c + d + e = 36

Thanks

3 0

2 years ago

What is 35 divide by 573

mrs_skeptik [129]

35 divided by 573 is 0.0610820244328098

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2 years ago

After the fine arts booster club's soup supper, there were 120 pieces of pie left over. The leftover pie was distributed equally

Ne4ueva [31]

Answer: Your answer is 12

Step-by-step explanation:

120/(6+4)=X

120/10=X

120/10=12

12=X

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3 years ago

HURRY PLEASE!!!<br> I WILL GIVE YOU BRAINLIEST!!

-Dominant- [34]

Answer:

Hope.you have a good merry Christmas Happy early new year

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2 years ago