3 years ago

Simplify each expression (mx+2ny+z) and(y^3-zx^3)(-yz)AND4xy^3(x^4y-5x)

Mathematics

1 answer:

Sliva [168]3 years ago

8 0

Answer: mx+2ny+z −zy4−zx3 4xy3x4y−5x

Step-by-step explanation:

there u go

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Calculate the interest produced by a principal of $ 4,500 at 5% annual simple interest in 8 months.

enyata [817]

Answer:

4,500 x 5 = 22,500

4,500 divided by 5 = 900

4,500 plus 5 = 4,505

4,500 minus 5 = 4,495

Step-by-step explanation:

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5 0

3 years ago

If x varies inversely as y and x=2.5 when y = 40 , find y when x = 2

Illusion [34]

Answer:

2.5/40=2/y

2.5y=40x2

2.5y=80

y=80/2.5

y=32

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2 years ago

Solve y^2+7y+12=0 by completing the square.

kkurt [141]

Answer:

y = -3, -4

Step-by-step explanation:

Formula is (b/2)^2

So...

(y+7/2)^2 - 1/4 = 0

Add 1/4 to each side

(y+7/2)^2 = 1/4

Square root...

y+7/2 = +-1/2

Add

y = -3, -4

8 0

3 years ago

Find the vertex and focus of the<br> parabola.<br> y2 – 4y + 12x – 8 = 0

IceJOKER [234]

Answer:

1,2

-2 2

Step-by-step explanation:

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2 years ago

The work shows how to use long division to find?

KIM [24]

Answer:

remainder = $\frac{1}{x-2}$

Step-by-step explanation:

The remainder is the value of the subtraction of the last 2 lines in the procedure.

5x - 9

- (5x - 10)

That is

5x - 5x = 0 and - 9 - (- 10) = - 9 + 10 = 1

over the divisor x- 2 , gives

remainder = $\frac{1}{x-2}$

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2 years ago