Answer:
d
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = x - 6 ← is in slope- intercept form
with slope m =
Given a line with slope m then the slope of a line perpendicular to it is
= - = - = - , then
y = - x + c ← is the partial equation
To find c substitute (5, - 7) into the partial equation
- 7 = - 2 + c ⇒ c = - 7 + 2 = - 5
y = - x - 5 ← equation of perpendicular line → d
Answer:
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Step-by-step explanation:
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Answer:
157
Step-by-step explanation:
Simplify the following:
125 - (5 - 9)^3/2
5 - 9 = -4:
125 - (-4)^3/2
(-4)^3 = (-1)^3×4^3 = -4^3:
125 - (-4^3)/2
4^3 = 4×4^2:
125 - (-4×4^2)/2
4^2 = 16:
125 - (-4×16)/2
4×16 = 64:
125 - (-64)/2
2 | 3 | 2
| 6 | 4
- | 6 |
| | 4
| - | 4
| | 0:
125 - ( - 32)
(-1)^2 = 1:
125 + 32
| 1 | 2 | 5
+ | | 3 | 2
| 1 | 5 | 7:
Answer: 157