Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a4 when a1 = 9, r = 2.
A. 54
B. 72
C. 8
D. 144
Answer: B
Mathematics
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Find the indicated probability.You roll two fair dice. Let E be the event that an even total shows on the dice. Let F be the event that a two shows on at least one of the dice. Find P(F) and P(F?E).
A. P(F) = 
, P(F?E) = 
B. P(F) = 
, P(F?E) = 
C. P(F) = 
, P(F?E) = 
D. P(F) = 
, P(F?E) = 
Mathematics
Describe the level survaces of the function f(x, y, z) = 3x + 8y - 4z + 2.
What will be an ideal response?
Mathematics
Write the statement in symbolic form to determine the truth value for the statement.7 + 6 = 13 and 8 is an odd number.
A. False B. True
Mathematics
Use a divisibility test to answer the question.Is 17 divisible by 4?
A. Yes B. No
Mathematics