? dx
What will be an ideal response?
x +C
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Find the exact value of the expression.cos cos
- sin
sin
A. 0
B. 1
C. -1
D.
Solve the problem.Use the formula R = log, where the magnitude of an earthquake on the Richter scale is based on I, the measurement of a seismic wave, and I0, the measurement of a seismic wave of a level zero earthquake with the same epicenter. An earthquake was recorded which was 2,511,886 times more powerful than a reference level zero earthquake. What is the magnitude of this earthquake? (Round to the nearest tenth.)
A. 6.4 B. 5.4 C. 14.7 D. 0.6
A geometric sequence is given. Find the common ratio and write out the first four terms.{tn} =
A. r = ; t1 =
, t2 =
, t3 =
, t4 =
B. r = n; t1 =
, t2 =
, t3 =
, t4 =
C. r = ; t1 =
, t2 =
, t3 =
, t4 =
D. r = n; t1 =
, t2 =
, t3 =
, t4 =
Use a calculator to find the following. Round your answer to four places past the decimal point. ? sec 47.9° ?
A. 1.5806 B. 1.4246 C. 1.4916 D. 1.6366 E. 1.3686