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3 years ago

Some one factor 4x^2+12x+8

2 answers:

8 0

4x²+12x+8
= (2x+4)(2x+2)

To see if the answer it correct, use foil method to multiply those two factor,
4x²+4x+8x+8 = 4x²+12x+8
Thus, it is correct.

Zinaida [17]3 years ago

5 0

It stays the same right

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Which point is not on the graph of the equation y=10+x

RSB [31]

Answer:

C. (8, 2)

Step-by-step explanation:

To find which point is not on the graph, find which set of coordinates makes the equation incorrect.

When plugged into the equation, the point (8, 2) makes it incorrect:

y = 10 + x

2 = 10 + 8

2 = 18

2 $\neq$ 18

The equation is incorrect because 2 is not equal to 18.

So, the point that is not on the graph is C. (8, 2)

6 0

3 years ago

a plumber has a very long piece of pipe is used to run the water parallel to a major place the pipe is cut into two sections 1 s

tangare [24]

Let x = the shorter piece and Let y = the longer piece.

(3/4)x = 120

x = 120 / (3/4)

x = 120 * (4/3 = 480/3) = 160 feet

y = 160 + 12

4 0

4 years ago

What is the answer plzzzzzz help a kid out

Komok [63]

Answer:

the answer is 8 by one of this question.

4 0

4 years ago

1.5d + 3.25 = 1 + 2.25d ---What are the steps to find x?

yuradex [85]

Do u mean d?

1.5d +3.25 = 1 +2.25d
3.25 = 1 + .75d -1.5d on both sides
2.25 = .75d subtraction 1 on both sides
3 = d divide both sides by .75

3 0

4 years ago

Which choice has the same equation in both forms?

Soloha48 [4]

Answer:

8x + 4y = 12 & y = -2x + 3 are the same equations.

Step-by-step explanation:

To know which choice has the same equation in both forms, we need to transform the standard form into the slope intercept form.

Then, solving for y in the first equation, we get:

$8x + 4y = 12\\8x + 4y - 8x = 12 -8x\\4y=12-8x\\\frac{4y}{4}=\frac{12-8x}{4} \\y=3 - 2x\\y=-2x+3$

It means that 8x + 4y = 12 & y = -2x + 3 are the same equations.

At the same way, we get that:

6x + 3y = 18 & y = 2x + 6 are not the same equation:

$6x + 3y = 18\\6x + 3y - 6x = 18-6x\\3y=18-6x\\\frac{3y}{3}=\frac{18-6x}{3} \\y=6 - 2x\\y=-2x+6$

2x + 4y = 8 & y = -2x + 2 are not the same equation:

$2x + 4y = 8\\2x + 4y -2x= 8-2x\\4y=8-2x\\\frac{4y}{4}=\frac{8-2x}{4}\\ y=2-\frac{1}{2}x$

3x + 4y = 12 & y = ¾x + 3 are not the same equation:

$3x + 4y = 12\\3x + 4y -3x= 12-3x\\4y=12-3x\\\frac{4y}{4}=\frac{12-3x}{4}\\ y=3-\frac{3}{4}x$

5 0

3 years ago