The design of a new campus area is to include a circular fountain.A concrete wall 2.5' high and 8 wide with three planters of flowers equally spaced in the wall will be built around the edge of the fountain and its pool (See sketch).The inside diameter of the wall is 25' .The measure of the arc of each planter is 30°. ( AB = 30°). The planters are all the same size. What volume of concrete will be required to build the wall? (Note: the planters are NOT part of the wall.) Round to the nearest tenth of a foot.
455 cu ft
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Provide an appropriate response.Which list contains both even numbers and odd numbers?
A. 2, 4, 6, 8, 10 B. 6, 30, 40, 50, 60 C. 5, 10, 15, 20, 40 D. 4, 10, 12, 20, 28
Simplify the expression. Assume all variables represent positive real numbers.
A.
B.
C.
D.
Find the focus and directrix of the parabola with the given equation.x2 = 3y
A. Focus: , directrix: y = -
B. Focus: , directrix: x = -
C. Focus: , directrix: y =
D. Focus: (0, 3), directrix: y = - 3
A vending machine contains dimes and quarters only. There are 12 less dimes than quarters. If x represents the number of quarters, write an algebraic expression in terms of x that represents the value of all the coins in the vending machine in cents. Simplify the expression.
A) Value B) Value C) Value D) Value