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svetlana [45]
3 years ago
6

What is -3y(y-8)(2y+1)=0

Mathematics
1 answer:
Marta_Voda [28]3 years ago
7 0

Step-by-step explanation:

(-3y^2+24y)(-6y^2-3y)

open the bracket and collect the like terms

-3y^2-6y^2+24y-3y

-9y^2+21y

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For the equation 2x - y = 1, if x = 0, then y = ?
Lostsunrise [7]

Answer:

y= -1

Step-by-step explanation:

(2) (0) − y = 1

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Step 2: Divide both sides by -1

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8 0
2 years ago
Need help question #3. Show steps please
Oksana_A [137]

Answer:

B.

Step-by-step explanation:

We are given:

\displaystyle \int \sqrt{x}\Big(9x^3-2\sqrt{x}+\frac{8}{x}\Big)\, dx

And we want to select its equivalent form.

Note that A is not valid. No integration property allows us to separate factors unless that factor is a constant.

We can simply rewrite and then distribute. First, by rewriting:

\displaystyle =\int x^{1/2}\Big(9x^3-2x^{1/2}+8x^{-1}\Big)\, dx

Distribute. Recall exponent properties;

\displaystyle =\int(9x^{3+1/2}-2x^{1/2+1/2}+8x^{-1+1/2})\, dx

Simplify:

\displaystyle=\int9x^{7/2}-2x+8x^{1/2}\, dx

This can then be separated (since its addition/subtraction) and integrated individually.

Hence, our answer is B.

8 0
3 years ago
An airliner carries 50 passengers and has doors with a height of 70 in. Heights of men are normally distributed with a mean of 6
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Step-by-step explanation:

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3 years ago
What part of 28 is 17?
timurjin [86]

Answer:

4

Step-by-step explanation:

Divide 28 by 4 to get 7

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Choice 1
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3 years ago
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