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2 years ago

Which of the following shows the equation after both sides have been distributed correctly -4(x-2)=5(3x-8)?

1 answer:

4 0

The answer is the second option, -4x-8=15x-40

When you distribute the first thing you do is kcf, which means keep change flip. Then you distribute.

I hope I’m correct if I’m not please let me know

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If x = 3, then x^2 = 3x what property

atroni [7]

X=3
(3)^2=3(3)
9=9
true

8 0

3 years ago

One round of golf is 18. A hole in one happens once in every 3708 rounds of golf. How many holes of golf are played for every ho

lisabon 2012 [21]

18 x 3708 = 66744. That is thr answer

5 0

3 years ago

Solve for x, y, and z

zloy xaker [14]

Answer:

The solution is x=1,y=2,z=3

Step-by-step explanation:

The given system of equations is ;\

2x−3y+4z=8...(1)

3x+4y−5z=−4...(2)

4x−5y+6z=12...(3)

Make x the subject in equation (1)

$x=\frac{8+3y-4z}{2}...(4)$

Put equation (4) into equation (2) and (3)

$3(\frac{8+3y-4z}{2})+4y-5z=-4$

Multiply through by;

$3(8+3y-4z)+8y-10z=-8$

Expand;

$24+9y-12z+8y-10z=-8$

Simplify;

$17y-22z=-32...(5)$

Equation (4) in (3)

$4(\frac{8+3y-4z}{2})-5y+6z=12$

$2(8+3y-4z)-5y+6z=12$

$16+6y-8z-5y+6z=12$

$y-2z=-4$

$y=2z-4...(6)$

Put equation (6) into equation (5)

$17(2z-4)-22z=-32$

$34z-68-22z=-32$

$34z-22z=-32+68$

$12z=36$

z=3

Put z=3 into equation (6)

y=2(3)-4=2

Put y=2 and z=3 into equation 4

$x=\frac{8+3(2)-4(3)}{2}=1$

The solution is x=1,y=2,z=3

3 0

3 years ago

Need help again, I really hate math please help

hoa [83]

C I think good luck

3 0

2 years ago

Which graph represents the relationship between the x-values and the y-values in the equation y = 3x + 2?

Gre4nikov [31]

Answer:

Step-by-step explanation

because 2 is the y intercept and 3 is the slope so you plot (0,2) than do the slope.

4 0

3 years ago