Find a natural number b that makes the expression a perfect square trinomial.36x2 + bx + 81
A. 54
B. 108
C. 2916
D. 5832
Answer: B
Mathematics
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Solve the problem.A collection of dimes is arranged in a triangular array with 14 coins in the base row, 13 in the next, 12 in the next, and so on with 1 dime in the last row. Find the value of the collection.
A. $10.50 B. $1.05 C. $5.25 D. $21.00
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.
x2 + 
x + 49
A. 
B. 
2
C. 
2
D. prime
Mathematics
Find the specified extreme value on the given region.
Minimum of T(x, y) = x - 2y
A. -28 B. -1 C. -13 D. -16
Mathematics
Solve. Use the principle of square roots.2z2 + 2 = 340
A. 13 B. ±14 C. 170 D. ±13
Mathematics