Find the area of the geometric figure.Trapezoid6 cm3 cm

A. 45 sq cm
B. 22.5 sq cm
C. 24 sq cm
D. 48 sq cm


Answer: B

Mathematics

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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = t + cos t, y = 2 - sin t, t =  

A. y = -x + 
B. y = -x - ? + 2
C. y = -x + ? + 3
D. y = x - ?

Mathematics

A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 6, an+1 = -an

A. 6, -6, 6, -6, 6 B. 6, 0, -6, -12, -18 C. -6, 6, -6, 6, -6 D. 6, -36, 216, -1296, 7776

Mathematics

Solve the problem.How many different amounts of money can you pay if you use four coins including quarters, nickels, and dimes?

A. 15 amounts B. 13 amounts C. 12 amounts D. 14 amounts

Mathematics

Tell whether the statement is true or false.The absolute value of any nonzero number is positive.

A. True B. False

Mathematics