Simplify the expression.log5
+ log5(20)
A. 25
B. 2
C. 1
D. 5
Answer: B
Mathematics
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Find the derivative.f(x) = sin 4e2x
A. e2x cos 4e2x B. -8e2x cos 4e2x C. cos 4e2x D. 8e2x cos 4e2x
Mathematics
Provide an appropriate response.A student needs 
. Is this integral the same as 2 
, and if so, why?
What will be an ideal response?
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Solve. Round to the nearest tenth.Shane is flying his kite on 41 yd of string. The kite is directly above the edge of a pond. The edge of a pond is 31 yd from where the kite is tied to the ground. How far is the kite above the pond?
A. 26.8 yd B. 2642 yd C. 720 yd D. 51.4 yd
Mathematics
Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 10 terms of the geometric sequence: 7, -14, 28, -56, 112, . . . .
A. -2380 B. -2387 C. -2393 D. -2389
Mathematics