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Otrada [13]
3 years ago
7

(4x-5y) is subtracted from (-10x-y)

Mathematics
1 answer:
julia-pushkina [17]3 years ago
4 0

Answer:

-14x+4y

this is the correct answer.

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How is the total price including sales tax calculated?
klasskru [66]

Answer:

Sales tax is calculated by multiplying the cost of a good or service by the appropriate sales tax rate The answer is B  (purchase price) (percent sales tax); then d. (purchase price) (percent sales tax). Hope it helps!:)

8 0
3 years ago
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State the degree of the polynomial. 2x3 - x4 + 5x2 - x
labwork [276]
The degree is 4 because it is the largest exponent out of all the variables.
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What is the slope of the line?
avanturin [10]
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8 0
2 years ago
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10
timama [110]

Answer:

25π units^2

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5 0
3 years ago
Multiply.<br> (d+7)(d-7)<br> Simplify your answer.
romanna [79]

Answer:

\huge\boxed{(d+7)(d-7)=d^2-49}

Step-by-step explanation:

\bold{METHOD\ 1:}\\\\(d+7)(d-7)\qquad|\text{use}\ (a+b)(a-b)=a^2-b^2\\\\=d^2-7^2=d^2-49\\\\\bold{METHOD\ 2:}\\\\(d+7)(d-7)\qquad|\text{use FOIL}\ (a+b)(c+d)=ac+ad+bc+bd\\\\=(d)(d)+(d)(-7)+(7)(d)+(7)(-7)\\\\=d^2-7d+7d-49\qquad|\text{combine like terms}\\\\=d^2+(-7d+7d)-49\\\\=d^2-49

7 0
3 years ago
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