Choose the best estimate from the list.29
+ 21
is approximately 50, 50
, 50
, 50
.
A. 50
B. 50
C. 50
D. 50
Answer: D
Mathematics
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Find the sum.
A. 34 B. 64 C. 54 D. 66
Mathematics
Find the area of triangle ABC with the given parts. Round to the nearest tenth when necessary.A = 39°40'b = 16.5 mc = 10.5 m
A. 55.3 m2 B. 110.6 m2 C. 112.6 m2 D. 27.7 m2
Mathematics
Write the vertex form of the equation of the parabola shown in the given graph. Assume a = ±1.
A. y = -(x + 1)2 - 3 B. y = -(x + 1)2 + 3 C. y = (x + 1)2 - 3 D. y = -(x - 1)2 - 3
Mathematics
Use the quadratic formula to solve the equation. (All solutions are real numbers.)4n2 = -12n - 3
A. 
B. 
C. 
D. 
Mathematics