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denpristay [2]
3 years ago
12

Factor the equation (4x^2+ 12x + 9)

Mathematics
1 answer:
poizon [28]3 years ago
6 0

(2x+3)^2

first you multiply 9 by 4

the what adds to get 12 and multiples to get 36

6

(4x^2+6x)(6x+9)

factor

2x(2x+3)3(2x+3)

simplify

(2x+3)^2

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Write an equation of each line with the given slope and y-intercept. slope =1/2 ; y-intercept = 0
CaHeK987 [17]

Answer:

y=1/2x

Step-by-step explanation:

Equations of lines are written in slope-intercept form:

y=mx+b

where m is the slope and b is the y intercept.

The slope is 1/2 and the y-intercept is 0. Therefore, we can substitute 1/2 for m and 0 for b.

y=1/2x+0

Adding 0 onto the end doesn't change the equation and doesn't serve a purpose, so it can be removed from the end of the equation.

y=1/2x

The equation is: y=1/2x

4 0
3 years ago
What is 2x3-4x5 and 3x6=
lukranit [14]

Answer:

4 I believe

Step-by-step explanation:

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3 0
3 years ago
1. Libby is calculating her net worth. Her
natulia [17]

Answer:

$119,703

Step-by-step explanation:

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5 0
3 years ago
6.3 x 10^14<br><img src="https://tex.z-dn.net/?f=6.3%20%5Ctimes%20%20%7B10%7D%5E%7B14%3F%7D%20" id="TexFormula1" title="6.3 \tim
Nutka1998 [239]

I'm assuming you're looking to find the expanded form of the number?

This number is in scientific notation. The easiest way to convert it to a normal number is to move the decimal place 14 to the right. I've attached a picture showing how to do this. You should get 630,000,000,000,000

There's a faster way to do this - notice that you need to move the decimal 14 to the right, and there's one number already after the decimal place. Therefore, 13 places will be filled with zeros. So, just write out 63 and add 13 zeros.

For more general help on scientific notation, check out these videos: https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-scientific-notation/v/scientific-notation-old

Hope that helps! Feel free to message me or leave a comment if I can clarify anything :)

7 0
3 years ago
What is the volume, in cubic in, of a rectangular prism with a height of 8in, a width of 5in, and a length of 9in?
Maslowich

Answer:

360 in ^3

Step-by-step explanation:

The volume is given by

V = l*w*h

 = 8 * 5 * 9

  = 360 in ^3

3 0
3 years ago
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