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Tanzania [10]
2 years ago
9

3x^2-39+120 factor this

Mathematics
2 answers:
mylen [45]2 years ago
6 0

Answer:

9x^{2} +81

Step-by-step explanation:

I Guess.

Irina18 [472]2 years ago
6 0

Answer:

<u>3(x^2 + 27)</u>

<u></u>

<u>My answer was totally off! I just re evaluated the equation and I got this:</u>

<u></u>

<u>LMK if it's wrong :)</u>

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Rectangular windows are being made into a wall of windows for an office building. Each wall is 14 feet tall and 12 feet wide. Th
Artemon [7]

Answer:

  168/(x² +7x)

Step-by-step explanation:

The height of each window is 14/(x+7), and the width of each window is 12/x. The area of each window is the product of its height ans width:

  area = (14/(x+7))(12/x) = 168/(x(x +7))

  area = 168/(x² +7x)

_____

<em>Comment on the problem</em>

There is not enough information given to determine suitable values for x. If x is 42, each window is a square 3 3/7 inches on a side.

7 0
3 years ago
Solve problem and check answer to -12x=72
Bas_tet [7]
Divide both sides by -12 X=72/-12 now let's simplify 72/-12 = -72/12 so x= -72/12 simplify 72/12= 6 X= -6
3 0
3 years ago
Dingane has $8.00, and exactly 30% of that money is from 5-cent coins. how many 5-cent coins does dingane have?
il63 [147K]
Answer=48

30%=0.30

$8.00*0.30=$2.40

Dingane has $2.40 worth of 5-cent coins

$2.40/0.05=48

He has 48 5-cent coins
6 0
3 years ago
What number can you divide both 4 and 2 by?
abruzzese [7]

Answer:

Well, an infinite amount of numbers. . .

Step-by-step explanation:

1 and 2 would work

6 0
2 years ago
The square of a number is three times the number itself. What is the number?
Kobotan [32]

x^2 = x3

x^2 - 3x = 0

x(x - 3) = 0

x = 0 and x -3 = 0 or x = 3

x cannot equal zero, therefore the answer is three

7 0
3 years ago
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