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solniwko [45]
4 years ago
5

Solve for y 7y=84Please help me I need this for my homework

Mathematics
2 answers:
Lena [83]4 years ago
5 0
Divide both sides by 7
7y/7=y
84/7=12
y=12
Anon25 [30]4 years ago
4 0

Answer:

y=12

Step-by-step explanation:

Lets write out the equation so it easy to work with.

7y=84

Divide both sides by 7

7y/7=84/7

Divide

y=12

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4 (x + 7) = 8

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4 (x + 7) = 8 Because you add 7 to Amy's number  then multiplied by 4 which equals 8

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Please help I will give you the points ! Based on this information, which proportion is true?
Lelu [443]

Answer:

c

Step-by-step explanation:

im pretty sure its c. every other one is wrong except a and c. and the placement for a is wrong. so i think c.

4 0
3 years ago
Clarence works at least 5 hours but not more than 7 hours. he earns $11.60 per hour. the function f(t)=11.6t represents the amou
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Thank you for posting you question here at brainly. I hope the answer will help you. The <span> practical domain and the practical range for this situation is below:

</span>D: [5, 7]
<span>R: [58, 81.2]
</span>
Feel free to ask more questions here at brainly. I'd be happy to answer. 
3 0
3 years ago
Identify each function that has a remainder of -3 when divided x+6
Sergeu [11.5K]

Answer:

D

Step-by-step explanation:

According to remainder theorem, you can know the remainder of these polynomials if you plug in x = -6 into them.

<em>So we will plug in -6 into x of all the polynomials ( A through D) and see which one equals -3.</em>

<em />

<em>For A:</em>

x^5 + 2x^2 - 30x + 30\\=(-6)^5 + 2(-6)^2 - 30(-6) + 30\\=-7494

For B:

x^4 + 4x^3 - 21x^2 - 53x + 12\\=(-6)^4 + 4(-6)^3 - 21(-6)^2 - 53(-6) + 12\\=6

For C:

x^3 - 10x^2 - 7\\=(-6)^3 - 10(-6)^2 - 7\\=-583

For D:

x^4 + 6x^3 - 10x - 63\\=(-6)^4 + 6(-6)^3 - 10(-6) - 63\\=-3

The only function that has a remainder of -3 when divided by x + 6 is the fourth one, answer choice D.

5 0
3 years ago
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