The driveway of the Santiagos' new home is to be bounded by semicircle arcs as shown. The distance from X to Y is 100 ft. The concrete driveway is 10 ft wide and 1/3 fit thick. Using 3.14 as an approximation for pi, how many cubic feet of concrete are needed to build the driveway? (Round your answer to the nearest cubic foot.) A. 471 ft^3
B. 942 ft^3
C. 1060ft^3
D. 1308 ft^3
E. 1884 ft^3

step-by-step explanation:

which of the following statements correctly describes the expression below based on its degree and number of terms?

314 - 7x2 + 11

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

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step-by-step explanation:

let y equal to

the total fare and x is the mile of taxi ride. so the equation is

y = 0.55x + 1.75

since susie has

$10 to spend for a taxi cab, so he can have

10 = 0.55x +

1.75

x = 15 miles of

taxi ride

so the system of

inequality is

10 < 0.55x +

1.75

x > 2