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Brums [2.3K]
3 years ago
11

What expressions are equivalent to (a^2-16)(a+4)

Mathematics
1 answer:
Eddi Din [679]3 years ago
7 0

Answer:

[(a)^2-(4^2)](a+4)

Step-by-step explanation:

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5200 for her car 1 year ago. The value of her car now is 4,420
vlada-n [284]

Answer:

the diffrence is 780

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8 0
3 years ago
Sophia Thompson is 12 years old. Her mother is 5 years less than four times as old as Sophia. How old is mrs. Thompson? Please e
Ugo [173]
Sophia is 12. Four times that is 48. If her mother is 5 years less than this, she is 43.

(12 x 4) - 5 = 43
7 0
3 years ago
PLEASE HELP,, MARKING BRAINLIEST!!!<br><br> Solve for x
Trava [24]

9514 1404 393

Answer:

  x = 10

Step-by-step explanation:

The marked sides are proportional, so we have ...

  x/8 = (x +5)/12

  3x = 2(x +5) . . . . . multiply by 24 to clear fractions

  3x = 2x + 10 . . . . . eliminate parentheses

  x = 10 . . . . . . . . . . subtract 2x

_____

<em>Alternate solution</em>

We observe that the difference between the upper segment lengths is ...

  (x +5) -(x) = 5

and the difference between the lower segment lengths is ...

  12 -8 = 4

This means the upper segment lengths are 5/4 times as long as the lower segments. Then ...

  x = (5/4)(8) = 10

4 0
2 years ago
-5t^2+10t+22 does the ball reach a height of 35m
Alika [10]

Answer:

Step-by-step explanation:

35=-5t²+10t+22

5t²-10t+13=0

disc =b²-4ac=(-10)²-4×5×13=100-260=-160<0

t is imaginary.

So ball never reaches a height of 35 m

3 0
3 years ago
Total power generated by wind worldwide doubles every 3 years. In a particular year, the world wind-generating capacity was abou
Nataly_w [17]
You take 92,000 and times it by 3 then divide by 2. hope this helps :)

5 0
3 years ago
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