Answer:
R=-12
Step-by-step explanation:
6(1 + 3R) = 2(10R - 9) -4R
Distribute 6 through the parentheses
6+18R=2(10R-9)-4R
Distribute 2 through the parentheses
6+18R=20R-18-4R
Collect like terms
6+18R=16R-18
Move the variable to the left-hand side and change its sign
6+18R-16R=-18
Move the constant to the right-hand side and change its sign
18R-16R=-18-6
Collect like terms
2R=-18-6
Calculate the difference
2R=-24
Divide both sides of the equation by 2
R=-12
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Step-by-step explanation:
15a)
Subtract both sides by 21
15b)
7 and -3 multiply to -21 and add to 4
The factors are (x+7)(x-3)
15c)
x+7 =0
x=-7
x-3=0
x=3
Answer:
1.What is the y intercept of the function?
y-coordinate when x = 0, take from the table.
2.What is the first difference?
Difference of y-values. This is the slope
3.Write an equation to represent the function given in the table
Use the first difference and the y-intercept: b = 5, m = 2
Answer:
58
Step-by-step explanation:
360 degrees in a whole circle
360-294=66
66-26=40
x-18=40
40+18=58
