2 years ago

In an algebraic expression, terms are separated by ___________________?

Mathematics

1 answer:

xenn [34]2 years ago

3 0

It has to be C- addition and subtraction signs.

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What is (2+y)³ written out? 8 + 12y + 6y² + y³ 6 + 8y + 4y² + y³

AveGali [126]

$\boxed{(2+y)^3-cube\ the\ sum\ of\ the\ numbers\ 2\ and\ y}$

$Use:\ (a+b)^3=(a+b)(a+b)(a+b)=a^3+3a^2b+3ab^2+b^3\\----------------------------\\(2+y)^3=2^3+3\cdot2^2\cdot y+3\cdot2\cdot y^2+y^3=8+3\cdot4y+6y^2+y^3\\\\=8+12y+6y^2+y^3\\========================================$

$8+12y+6y^2+6y^3+8y+4y^2+y^3\\=8+(12y+8y)+(6y^2+4y^2)+(6y^3+y^3)\\=8+20y+10y^2+7y^3$

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3 years ago

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Solve the inequality: 3(k + 2) -3 < 15

grin007 [14]

Isolate the variable by dividing each side by factors that don't contain the variable.

Inequality Form:

k < 4

Interval Notation:

(−∞, 4)

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3 years ago

Which statements are true?

rjkz [21]

Answer:

Step-by-step explanation:

There's only one correct answer, and you've already responded with that answer.

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ira [324]

When I solved it I got 26648.8

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Identify the constant of proportionality from the graph. A. 1/2 B. 8 C. 2 D. 5

LuckyWell [14K]

I believe the answer is C

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