Two complementary angles = 90°
X = 18+ 2y
X + y = 90
Plug first equation into second
18 + 2y +y = 90
18 + 3y = 90
18 – 18 +3y = 90 – 18
3 y = 72
3y/3 = 72/3
Y = 24
Plug y into 2nd formula
X + 24 = 90
X + 24 -24 = 90 – 24
X = 66
Answer:
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Step-by-step explanation:
Answer:
Use the slope-intercept form to find the slope and y-intercept.Slope:
2
Y-Intercept:
0
Any line can be graphed using two points. Select two
x
values, and plug them into the equation to find the corresponding
y
values.x
y
0
0
1
2
Graph the line using the slope and the y-intercept, or the points.
Slope:
2
Y-Intercept:
0
x
y
0
0
1
2
Step-by-step explanation:
X + 10 = 62
x = 52
The number you started with is 52.