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Marysya12 [62]
3 years ago
8

Factor out the greatest common factor 20x^4 + 15x^2 - 10x

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
3 0
5x(4x^3 + 3x - 2)

There’s a 5 and a x common.
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kolezko [41]

Answer:

The answer is

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3 years ago
Evan wants to build a rectangular enclosure for his animals. One side of the pen will be against the barn, so he needs no fence
pentagon [3]

Answer:  A.   A=(1000-2w)*w      B. 250 feet

C.  125 000 square feet

Step-by-step explanation:

The area of rectangular is A=l*w    (1)

From another hand the length of the fence is 2*w+l=1000        (2)

L is not multiplied by 2, because the opposite side of the l is the barn,- we don't need in fence on that side.

Express l from (2):

l=1000-2w

Substitude l in (1) by 1000-2w

A=(1000-2w)*w        (3)   ( Part A. is done !)

Part B.

To find the width w  (Wmax) that corresponds to max of area A   we have to dind the roots of equation (1000-2w)w=0  ( we get it from (3))

w1=0  1000-2*w2=0

w2=500

Wmax= (w1+w2)/2=(0+500)/2=250 feet

The width that maximize area A is Wmax=250 feet

Part C.   Using (3) and the value of Wmax=250 we can write the following:

A(Wmax)=250*(1000-2*250)=250*500=125 000 square feets

3 0
3 years ago
hala paid $1,202.17 for the carpet in her living room. The room has an area of 251.5 square feet. what was her unit cost of carp
iris [78.8K]

Answer:

4.78

Step-by-step explanation:

1202.17/251.5 = 4.78

4.78 per unit

7 0
3 years ago
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WILL GIVE BRAINLIEST!
Dovator [93]
D.
or divide 900 by 20 and see the closest
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3 years ago
Which figures are polygons?<br> MORE THAN ONE CORRECT ANSWER<br><br> please explain
Dahasolnce [82]

Answer:

all of them that have more than 4 sides

5 0
3 years ago
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