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Leno4ka [110]
2 years ago
10

Simplify this expression: 5(2x² + 2x + 4) - 3x(x + 2) *ill give brainliest :)​

Mathematics
1 answer:
inysia [295]2 years ago
5 0

Answer:
7x2 + 4 x + 20

Step-by-step explanation:

Subtract 3x2 from 10x2.7x2+10x+20−6xSubtract 6x from 10x.7x2+4x+20

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In Salem, 82% of the households have cable television and Internet access and 90% of the houses have cable television. What is t
polet [3.4K]
Well there eqaul but one is just got the internet added to there home 
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3 years ago
Order these numbers from least to greatest.<br> 11<br> ,<br> 3.30<br> ,<br> 175<br> ,<br> −10
timurjin [86]
If you would like to order the following numbers from least to greatest, you can do this using the following steps:

<span>11, 3.30, 175, - 10
</span>- 10 < 3.30 < 11 < 175

The correct result would be <span>- 10 < 3.30 < 11 < 175</span>.
5 0
3 years ago
What is the median of the following data set ? {3,4,2,8,5}
Varvara68 [4.7K]

<u>4</u>

<u></u>

Explanation:

3, 4, 2, 8, 5

<u>arrange in ascending order</u>

2, 3, 4, 5, 8

<u>Identify the integer at the middle</u>

median: 4

6 0
2 years ago
A rectangle and a square have the same area. The width of the rectangle is 2 in less than the side of the square and the length
lina2011 [118]
The area of a rectangle is A=LW, the area of a square is A=S^2.

W=S-2 and L=2S-3

And we are told that the areas of each figure are the same.

S^2=LW, using L and W found above we have:

S^2=(2S-3)(S-2)  perform indicated multiplication on right side

S^2=2S^2-4S-3S+6  combine like terms on right side

S^2=2S^2-7S+6  subtract S^2 from both sides

S^2-7S+6=0  factor:

S^2-S-6S+6=0

S(S-1)-6(S-1)=0

(S-6)(S-1)=0, since W=S-2, and W>0, S>2 so:

S=6 is the only valid value for S.  Now we can find the dimensions of the rectangle...

W=S-2 and L=2S-3  given that S=6 in

W=4 in and L=9 in

So the width of the rectangle is 4 inches and the length of the rectangle is 9 inches.


5 0
3 years ago
PLEASE HURRY!!! what is the slope of the graph?
hjlf
The slope is 2 i’m pretty sure
8 0
3 years ago
Read 2 more answers
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