1. so the scale factor between the two shapes 2/3 because 6 is 2/3 of 9
and 9 is 3/2 of 6. Therefore y would equal 6 also, x would equal 8, because 8 is 2/3 of 12, and z would equal 5 1/4.
Sorry but I don't know how to work out the second one.
Answer:
this is the solution
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Answer:
First you start with what is in the ( ). 15- 14 is 1. then you do multiplication next. 1* 6. is 6. now you do addition. 6 + 4 = 10
Simplifying
75 + -3.5y + -4y = 4y + 6
Combine like terms: -3.5y + -4y = -7.5y
75 + -7.5y = 4y + 6
Reorder the terms:
75 + -7.5y = 6 + 4y
Solving
75 + -7.5y = 6 + 4y
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '-4y' to each side of the equation.
75 + -7.5y + -4y = 6 + 4y + -4y
Combine like terms: -7.5y + -4y = -11.5y
75 + -11.5y = 6 + 4y + -4y
Combine like terms: 4y + -4y = 0
75 + -11.5y = 6 + 0
75 + -11.5y = 6
Add '-75' to each side of the equation.
75 + -75 + -11.5y = 6 + -75
Combine like terms: 75 + -75 = 0
0 + -11.5y = 6 + -75
-11.5y = 6 + -75
Combine like terms: 6 + -75 = -69
-11.5y = -69
Divide each side by '-11.5'.
y = 6
Change the equation to slope-intercept form. Identify the slope and y-intercept of the equation. Be sure to show all your work.
The equation is 2x+3y=1,470. Slope intercept form is y=mx+b. So we can convert it:
2x+3y=1470
3y=-2x+1470
<u>y=-2/3x+490</u>
