3 years ago

Jamie spent

Mathematics

1 answer:

atroni [7]3 years ago

7 0

That’s how you do it ☺︎︎

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Write (3a)^3 without exponents

makkiz [27]

Answer: 27a^3

It is 27a^3 because if you do 3×3=9 then 9×3= 27

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1. Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial i

Katena32 [7]

Polynomial with real coefficients always has even number of complex roots. We know that one of them is 2 + 5i so the second one will be 2 - 5i and:

$f(x)=\big(x-4\big)\big(x-(-8)\big)\big(x-(2+5i)\big)\big(x-(2-5i)\big)=\\\\=(x-4)(x+8)(x-2-5i)(x-2+5i)=\\\\=(x^2-4x+8x-32)(x^2-2x+5ix-2x+4-10i-5ix+10i-25i^2)\\\\=\big(x^2+4x-32\big)\big(x^2-4x+4-25\cdot(-1)\big)=\\\\=(x^2+4x-32)(x^2-4x+29)=\\\\=x^4-4x^3+29x^2+4x^3-16x^2+116x-32x^2+128x-928=\\\\=\boxed{x^4-19x^2+244x-928}$

Answer B.

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How many years would it take for a person in the united states to eat 855 pounds of apples

never [62]

It would take 30 years

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Kelly earns a 7% commission on the total amount of her sales. This year, she had $210,000 in sales. How much commission did Kell

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210,000 x .07 = 14,700 commission

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