Answer:
Slope m = 1/-2
Step-by-step explanation:
Given the formula for slope of a line to be
m = y - y_1 / x - x_1
Only if a point is given
But in this case, we are given two points
( 1 ,4 ) and ( -1 , 5)
x_1 = 1
y_1 = 4
x_2 = -1
y_2 = 5
Inserting the values given into the formula
m = y_2 - y_1 / x_2 - x_1
m = 5 - 4 / -1 - 1
= 5 - 4= 1
= -1 - 1 = -2
m = 1/ -2
Therefore, the slope of the line is 1 /-2
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➷ You would use the formula:
volume = ![\pi r^2*h](https://tex.z-dn.net/?f=%5Cpi%20r%5E2%2Ah)
Substitute in the values:
(note: the radius is half the diameter)
volume = ![\pi (3)^2*8](https://tex.z-dn.net/?f=%5Cpi%20%283%29%5E2%2A8)
Solve:
Volume = 226.1946711
I'm not sure how far you require it rounded, or if you want the whole value so I will just leave the entire value. If you need assistance with rounding it to specific figures, just comment down below and I'll help.
<h3><u>
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➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
↬ ʜᴀɴɴᴀʜ ♡
Answer:
y = 6x + 9
Step-by-step explanation:
Δy =-3-3 = -6
Δx =-2-(-1) = -1
Slope = Δy/Δx = 6
Point-slope equation for line of slope 6 that passes through (-1,3):
y-3 = 6(x+1)
Rearrange to solve for y:
y = 6x + 9