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Stolb23 [73]
3 years ago
5

Subtract polynomials: (-4x^3+5x^2-x+3)-5(x^4-2x^3+x^2)

Mathematics
1 answer:
denis-greek [22]3 years ago
8 0

9514 1404 393

Answer:

  -5x^4 +6x^3 -x +3

Step-by-step explanation:

First, eliminate parentheses.

  (-4x^3+5x^2-x+3)-5(x^4-2x^3+x^2)

  = -4x^3 +5x^2 -x +3 -5x^4 +10x^3 -5x^2

Then collect terms.

  = -5x^4 +(-4+10)x^3 +(5 -5)x^2 -x +3

  = -5x^4 +6x^3 -x +3

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Vladimir [108]

Answer:

\sf \dfrac{3}{4y}

Step-by-step explanation:

Simplify:

  45 = 5 * 3 * 3

  60 = 5 * 3 * 2 * 2

GCF = 5*3 = 15

           \sf \dfrac{45x^2}{60x^2y}=\dfrac{45}{60y}

                     \sf =\dfrac{45 \div 15}{60y \div 15}\\\\= \dfrac{3}{4y}

3 0
1 year ago
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What is the y-intercept of the graph of the function f(x) = x2 + 3x + 5?
OLga [1]
Hello there!

How do you find the y-intercept?

Answer: To find the y-intercept, substitute in 0 for x and solve for y

y = x² + 3x + 5

y = (0)²  + 3(0) + 5

y = 0 + 0 + 5

y = 5

Thus, the correct answer is option D (0,5)

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3 0
3 years ago
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108 is 36% of what number? Write and solve a proportion to solve the problem
kolezko [41]

Let the number = x

Then, it would be: (x*36)/100 = 108

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3 0
3 years ago
Help on solving for x
Law Incorporation [45]
\dfrac{x}{e^5}=e^{-4}|\cdot e^5\\
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4 0
3 years ago
Solve 5,4 = n/-0.9
PtichkaEL [24]

Step-by-step explanation:

5.4×-0.9=n

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8 0
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