Use the five-step strategy for solving word problems to find the number or numbers described in the following exercise.When 30% of a number is added to the number, the result is 260. What is the number?
A. 23
B. 130
C. 200
D. 60
Answer: C
Mathematics
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Reverse the order of integration and then evaluate the integral.
A. 2 sin 4 B. 2 cos 4 C. 4 cos 2 D. 4 sin 2
Mathematics
Solve the problem by integration.Find the moment of inertia of a sphere of radius 7 with respect to its axis in terms of its mass m.
A. 
?m
B. 
m
C. 
m
D. 
m
Mathematics
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = cot(3x - 8)
A. y = cot u; u = 3x - 8; 
= - 3 cot(3x - 8) csc(3x - 8)
B. y = cot u; u = 3x - 8; 
= - csc2(3x - 8)
C. y = 3u - 8; u = cot x; 
= - 3 cot x csc2 x
D. y = cot u; u = 3x - 8; 
= - 3 csc2(3x - 8)
Mathematics
Answer the question.Which one of the equations below matches the graph?
A. y = -2 sin
B. y = 2 sin
C. y = -2 sin
D. y = -2 cos
Mathematics