Solve the problem.Evaluate 2na + 0.5n(n - 1)d, for n = 4, a = 6.3, and d = 2.

A. 63.6
B. 56.4
C. 62.4
D. 314.4


Answer: C

Mathematics

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Write in exponential form. Assume all variables are positive real numbers.

A. x3/15 B. x1/15 C. x3/5 D. x5/3

Mathematics

Complete numerical representations for the functions f and g are given. Evaluate the expression, if possible.(f?g)(3)

A. 10 B. 2 C. 6 D. Undefined

Mathematics

Solve the problem. Round your answer, as needed.A gas law in chemistry says that  = . If T = 340, t = 380, , P = 70, and v = 10, find the value of p.

A. 308 B. 8.606 C. 86.059 D. 0.226

Mathematics

Solve.  +    =  

A. -5 B. 0, 5 C. 0 D. No solution

Mathematics