80.75 / 8.50 = 9.5
Sean worked 9 and a half hours.
18 = ab^2
60.75 = ab^5
from first equation:- a = 18/b^2
so
60.75 = (18/b^2) * b^5
60.75 = 18b^3
b = cube root (60.75 / 18)
b = 1.5
so a = 18/1.5^2 = 8
so the required equation is y = 8(1.5)^x
Ok so thats a triangular pyramid cos it has a triangle as a base.
It has 4 faces, 1 base at the bottom and the 3 on the sides.
It also has 4 vertices
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Answer:
Step-by-step explanation:
We assume the given ratios are proportional. I find it easiest to write the proportion with the unknown in the numerator.
a) dollars/ounces = x/17 = 7/20
Multiply by the inverse of the coefficient of x to solve.
x = 17(7/20) = 5.95 . . . dollars
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b) bushels/acres = x/9.6 = 225/3
x = 9.6(225/3) = 720 . . . bushels