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Gnoma [55]
3 years ago
14

What is the product of -2x^3+8 and -4x

Mathematics
2 answers:
slega [8]3 years ago
8 0

Answer:

In mathematics, a product is a number or a quantity obtained by multiplying two or more numbers together. For example: 4 × 7 = 28 Here, the number 28 is called the product of 4 and 7.

Step-by-step explanation:

hope this helps you :)

sweet-ann [11.9K]3 years ago
5 0

Answer: 8x^4 - 32x

Step-by-step explanation:

(-2x^3+8) * -4x

-2x^3 * (-4x) -8 * 4x

8x^4 - 32 x

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Is 3x+4y a polynomial. is it is a polynomial, state the degree of the polynomial.
Svetlanka [38]

Yes, this is a polynomial. It is an expression containing variables raised to a real number.

In this case, the variables are being raised to the power of one.

The degree of this polynomial, thus, is one.

5 0
2 years ago
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7x+18−6(x+1)−12 Please answer this you get 10 points!!!!
ra1l [238]

Answer:

x

Step-by-step explanation:

7x+18−6(x+1)−12

start out with distributive property

7x+18+(-6x)+(-6)+(-12)

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7 0
3 years ago
Which number is a composite number? 11 21 31 41
erastovalidia [21]

Answer:

21

Step-by-step explanation:

It is 21 since 21 = 3 * 7.

The other 3 numbers are prime.

4 0
3 years ago
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What is the image of point (4, 5) after a counterclockwise rotation of 270º about the origin?
tia_tia [17]
The answer is (5, -4).
4 0
3 years ago
A particle moves along the curve y = 5x^2 – 1 in such a way that the y value is decreasing at the rate of 2 units per second. At
Shtirlitz [24]

Answer:

The correct option is;

Increasing one fifth unit/sec

Step-by-step explanation:

The equation that gives the curve of the particle of the particle is y = 5·x² - 1

The rate of decrease of the y value dy/dt = 2 units per second

We have;

dy/dx = dy/dt × dt/dx

dy/dx = 10·x

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dt/dx = (dy/dx)/(dy/dt)

dx/dt = dy/dt/(dy/dx) = 2 unit/sec/(10·x)

When x = 1

dx/dt = 2/(10·x) = 2 unit/sec/(10 × 1) = 1/5 unit/sec

dx/dt = 1/5 unit/sec

Therefore, x is increasing one fifth unit/sec.

8 0
2 years ago
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