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yulyashka [42]
3 years ago
5

I think i had thw correct answers for thr last two but the keep coming up as incorrect​

Mathematics
1 answer:
Oksana_A [137]3 years ago
7 0

Answer:

B. 40

C. 8

Step-by-step explanation:

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What is the leading coefficient of the following expression: 5x^4-7x^3+2x+1​
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Answer:

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Step-by-step explanation:

The leading coefficient belongs to the term with the largest exponent

Given

5x^{4} - 7x³ + 2x + 1 ← in standard form

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HELP TIMED QUESTION !!!!<br> Simplify (5x^3y)^2(-2x^5y^1)
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Answer:

 ( -5•2x8y)

Step-by-step explanation:

Changes made to your input should not affect the solution:

(1): "^-1" was replaced by "^(-1)".

Equation at the end of step 1

 ((5•(x3))•(y2))•(0-(2x5•y(-1)))

Equation at the end of step

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Multiplying exponential expressions :

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Multiplying exponential expressions :

3.2    y2 multiplied by y(-1) = y(2 + (-1)) = y1 = y

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