Solve the problem.A student must answer 7 out of 10 questions on an exam. In how many different ways can he choose the questions?
A. 720
B. 120
C. 21
D. 10,000,000
Answer: B
You might also like to view...
Use the limit definition of the partial derivative to compute the indicated partial derivative of the function at the specified point.Find 
at the point (-7, 2, 6): f(x, y, z) = xyz - 7y2 - 7z
What will be an ideal response?
Provide an appropriate response.What is wrong with the following?y = 
= 
= 
What is the correct derivative?
What will be an ideal response?
Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.2x = 128
A. x = log2128 B. x = 64 C. x = log 128 D. x = log 64
Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. ? B. {(2, -5)} C. {(-4, -3)} D. {(-5, -2)}