3 years ago

Sos help pleaseee photo is attached

Mathematics

2 answers:

tatyana61 [14]3 years ago

8 0

Answer:

C. y=1/2x-3

Step-by-step explanation:

positive slope, y intercept is -3

Vlad1618 [11]3 years ago

3 0

The answer to this is c.

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brilliants [131]

Answer:

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Step-by-step explanation:

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AURORKA [14]

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Step-by-step explanation:

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For five mathematics tests, your scores were 81, 86, 81, 76, 71. what was your average score?

trasher [3.6K]

add them together then divide by 5

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3 years ago

The sum of two polynomials is –yz2 – 3z2 – 4y + 4. If one of the polynomials is y – 4yz2 – 3, what is the other polynomial? –2yz

marishachu [46]

The first polynomial is $y -4yz^2-3$ and let the second polynomial be P(y,z).

If the sum of two polynomials is $-yz^2-3z^2-4y+4$ , then $y-4yz^2-3+P(y,z)=-yz^2-3z^2-4y+4$ .

Take the first polynomial from the left side to the right side:

$P(y,z)=-yz^2-3z^2-4y+4 -(y-4yz^2-3),\\ P(y,z)=-yz^2-3z^2-4y+4 -y+4yz^2+3,\\ P(y,z)=3yz^2-3z^2-5y+7$ .

Answer: the second polynomial is $3yz^2-3z^2-5y+7$ .