Answer:
x = 6
y = 18
Step-by-step explanation:
Equations : x + y =4x & 2y - x = 30
Rearrange:
y = 3x & x = 2y - 30
Substitute
y = 3(2y-30)
y = 6y - 90
5y = 90
y = 18
x = 2y-30 = 2*18-30 = 6
Answer:
C.Points on negative x-axis
Step-by-step explanation:
Answer:
0.38
Step-by-step explanation:
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There is no image of the table given.
Given:
approximate number = 75
exact number = 95
error = |approximate number - exact number| ÷ exact number
error = |(75-95)| / 95 = |20| / 95 = 0.21
percentage of error = 0.21 x 100% = 21%
Answer:
Undefined
Step-by-step explanation:
☆ (x₁, y₁) is the first coordinate and (x₂, y₂) is the second coordinate.
Slope of the line
Thus, the slope of the line is undefined.
(Since 2 cannot be divided by zero)
Notice that the two coordinates have the same y- coordinate of -4. This means that the line is a vertical line. Vertical lines have undefined slopes.