Find the measure of the dihedral angle indicated.The figure shown is a right prism whose bases are regular nonagons. Find the measure of the dihedral angle between each lateral face and a base.
A. 40°
B. 140°
C. 144°
D. 90°
Answer: D
Mathematics
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Find the conditional probability.Suppose one card is selected at random from an ordinary deck of 52 playing cards. LetA = event a queen is selectedB = event a diamond is selected.Determine P(B|A).
A.
B.
C.
D.
Mathematics
Solve the equation. = 5
A. No solution
B. , -
C. - ,
D. , -
Mathematics
Evaluate the sum.
A. 708 B. 819 C. 631 D. 735
Mathematics
Factor completely, if possible.27a4 - 147b2
A. 3(3a2 - 7b)2 B. 3(3a2 + 7b)(3a2 - 7b) C. Prime D. 3(3a2 + 7b)2
Mathematics