A satellite has an initial radioisotope power supply of 65 watts (W). The power output in watts is given by
?

?
where t is the time in days. Solve for t to find the time when the power supply is 26 W.
?

A. 243 days
B. 250 days
C. 99 days
D. 229 days
E. 222 days


Answer: D

Mathematics

You might also like to view...

Solve the problem with estimation, but do not use a calculator. Use rounding to make the resulting calculations simple.If a person earns $19,800 per year, estimate that person's hourly salary.

A. $50 B. $10 C. $40 D. $100

Mathematics

For the point given in rectangular coordinates, find equivalent polar coordinates  for  and (6, 6)

A. (12, 30°) B. (24, 30°) C. (6, 45°) D. (12, 60°)

Mathematics

Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = -3(x + 1)2 - 3

A.

B.

C.

D.

Mathematics

Round the amount to the nearest dollar.$342.03

A. $342 B. $342.10 C. $343 D. $341

Mathematics