Solve the problem.Check whether the sequence is arithmetic. If the sequence is arithmetic, find the common difference d.5, -15, 45, -135, 405, . . .
A. arithmetic; d = -10
B. not arithmetic
Answer: B
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Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.cos 39°4'
A. 0.2882066 B. 0.3882066 C. 0.7764132 D. 0.9764132
Solve the problem.A cellular phone plan had the following schedule of charges:Basic service, including 100 minutes of calls$20.00 per month2nd 100 minutes of calls$0.075 per minuteAdditional minutes of calls$0.10 per minuteWhat is the charge for 200 minutes of calls in one month?What is the charge for 250 minutes of calls in one month?Construct a function that relates the monthly charge C for x minutes of calls.
What will be an ideal response?
Find the exact distance between the pair of points. Approximate this distance to three decimal places when appropriate.(8, -7), (2, -15)
A. 14 B. 10 C. 3.742 D. 3.162
Solve the equation.
+ 8 = 7
A. {225} B. {-1} C. ? D. {1}