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andriy [413]
3 years ago
7

What is the product? (Y^2+3Y+7)(8y^2+y+1​

Mathematics
2 answers:
Luba_88 [7]3 years ago
6 0

Answer:

8y⁴+25y³+60y²+10y+7

Step-by-step explanation:

8y⁴+y³+y²+24y³+3y²+3y+56y²+7y+7

8y⁴+25y³+60y²+10y+7

belka [17]3 years ago
4 0

Answer:

8y^4+25y^3+60y^2+10y+7

Step-by-step explanation:

(y^2+3y+7)(8y^2+y+1)

We are going to multiply the first term, y^2, by the whole second part (8y^2+y+1)

8y^4+y^3+y^2

now we multiply the 2nd term, 3y, by the whole second part (8y^2+y+1))

24y^3+3y^2+3y

now we do the same to the last term, 7.

56y^2+7y+7

now we need to add all three of our products together

(8y^4+y^3+y^2)+(24y^3+3y^2+3y)+(56y^2+7y+7)

adding like terms:

8y^4+y^3+24y^3+y^2+3y^2+56y^2+3y+7y+7

we get:

8y^4+25y^3+60y^2+10y+7

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If x varies directly with y and x=-19 when y=14 what is x when y=2
tatyana61 [14]

The variation from x to y is an illustration of a direct variation

The value of x when y = 2 is -19/7

<h3>How to determine the value of x?</h3>

The variation is a direct variation.

So, we have:

x = ky

Where k represents the constant of variation

Make k the subject

k = x/y

This gives

x1/y1 = x2/y2

So, we have:

-19/14 = x/2

Multiply both sides by 2

x = -19/14 * 2

Evaluate

x = -19/7

Hence, the value of x when y = 2 is -19/7

Read more about direct variation at:

brainly.com/question/6499629

4 0
3 years ago
Solve these with the distributive property, (or just solve them), thank you in advance! :L
alisha [4.7K]

Answer:

3.5(11) means 3.5 times 11? in that case

Step-by-step explanation:

first one roughly = 35+19+16....then you can see 77 is the closest, even without calcatulor

second one precisely==20+33+5+38.....then you can see that 90 is roughly the closest one, again even without to add those 4 togetherly precisely

7 0
3 years ago
Identify the number that does not have the same greatest common factor as the other 368-3420
Travka [436]
I don't understand your question fully, try to list your full problem in the future and maybe people will be able to better help you.
5 0
4 years ago
<img src="https://tex.z-dn.net/?f=%20%28%7B%207v%7D%5E%7B2%7D%20%29" id="TexFormula1" title=" ({ 7v}^{2} )" alt=" ({ 7v}^{2} )"
saw5 [17]
7v^{2}
It is actually correct

7 0
4 years ago
Write <br> 46.017<br> as a mixed number.
ddd [48]
17 is in the thousandths place, so we write it as a fraction over 1000.

17/1000

So we have:

46 17/1000
8 0
3 years ago
Read 2 more answers
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