Solve the problem.The weight of a body above the surface of the earth varies inversely as the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 2?
A. The weight is divided by 2.
B. The weight is multiplied by 2.
C. The weight is multiplied by 4.
D. The weight is divided by 4.
Answer: D
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Find the amount of interest earned by the deposit.$1000 at 12% compounded annually for 11 years
A. $2105.85 B. $3478.55 C. $2478.55 D. $2895.98
Solve the problem.A certain radioactive isotope decays at a rate of 2% per 100 years. If t represents time in years and y represents the amount of the isotope left then the equation for the situation is 
In how many years will there be 93% of the isotope left?
A. 253 years B. 350 years C. 363 years D. 700 years
Verify the identity.tan (x - ?) = tan x
What will be an ideal response?
Use the formula 
, where 
, to rewrite the trigonometric expression in the following form.
?
?
?
A. 2 
B. 
C. 
D. 2 
E. 8 