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Law Incorporation [45]
3 years ago
13

lie is solving the quadratic equation by completing the square. 3x2 + 18x – 8 = 0 3x2 + 18x = 8 What should Lie do next?

Mathematics
2 answers:
ra1l [238]3 years ago
8 0

Answer: In the next step, he takes the factor 3 out of the variable terms and divide it to the other side.

Step-by-step explanation:

ruslelena [56]3 years ago
3 0
Divide 18 by 2(9) then square that (81). add 81 to both sides
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SOMEONE, PLEASE HELP FAST!!! FOR BRAINLIEST!!!!
Pani-rosa [81]

Answer:

Volume of rectangular prism:

V1 = base x height = 4 x 6 x 12 = 288 ft3

Volume of triangular prism:

V2 = base x height = 4 x (6/2) x 6 =  72 ft3

Volume of composite prism:

V= V1 + V2 = 288 + 72 = 360 ft3

Hope this helps!

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7 0
3 years ago
Tell which value of the variable, if any, is a solution to the equation.
kvasek [131]

Answer:

14

Step-by-step explanation:

14+9=25

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Find the equations of the line u that cuts the x-axis at x=-6 and the y-axis at y=-4
never [62]

The equation of the line is y = -2/3(x) - 4

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3 years ago
The equation y = 8x + 12, where x is the number of hours and y is the total cost, represents what the surf instructor charges fo
Lelu [443]
We know from the slope intercept form that y=mx+b so the y intercept is 12 while every hour the cost goes up by 8
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3 years ago
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It costs $859.32 to have a school dance (tickets $8)
djverab [1.8K]

A) 859.32/8= 107.415=108 tickets

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