Answer:
h = s / π.r²
Step-by-step explanation:
the given equation is s = π.r².h
Now if we have to calculate the value of h from the given formula then we will solve it so that h remains alone on one side of the equation.
This only possible when we divide term on both the sides by π.r²
s/π.r² = π.r².h/π.r²
h = s / π.r²
Therefore h = s / π.r² is the right option.
Answer:
y=7x-65
Step-by-step explanation:
Cost = 15x + 2000
Earning = 35x
At break even, cost = earning
35x = 15x + 2000
20x = 2000
x = 100
100 rides are needed to break even.
Answer:
8) x = 27
Angle P = x - 12 (15)
Angle Q = 5x - 27 (108)
Angle R = 2x + 3 (57)
Equation: (x - 12) + (5x - 27) + (2x + 3) = 180
x = 27
9) x = 14
Angle A = 7x - 6 (92)
Angle B = 3x - 5 (37)
Angle C = 4x - 5 (51)
Equation: (7x - 6) + (3x - 5) + (4x - 5) = 180
x = 14
10) x = 20
Angle K = x (20)
Angle L = x + 13 (33)
Angle J = 6x + 7 (127)
Equation: x + (x + 13) + (6x + 7) = 180
x = 20
11) x = 41
Angle Y = x (41)
Angle W = 2x - 5 (77)
Angle X = x + 21 (62)
Equation: x + (2x - 5) + (x + 21) = 180
x = 41
