Write the expression with positive exponents. Then simplify if possible.
A. - m4
B. m4
C. m1/4
D. - m1/4
Answer: B
Mathematics
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Find the slope of the line determined by this pair of points. ? (1.7, 6.7), (11.7, 13.7) ?
A.
B.
C.
D.
E.
Mathematics
Find the quotient. Simplify the answer.
÷ 4
A. 10
B. 
C. 1
D. 
Mathematics
Solve.If x is Sam's average speed when walking and x + 10 is his average speed when cycling, then the total time, T, for a trip involving 12 miles of cycling and 8 miles of walking is given by T = 
+ 
where T is in hours and x is in miles per hour. Find Sam's average walking speed if the total time for a trip is 5 hours.
A. 3 mph B. 3.5 mph C. 4 mph D. 2 mph
Mathematics
y? = 2x sin y , y (0) = 1, ?x = 0.1
For the initial-value problem, use (a) Euler’s method and (b) the Runge-Kutta method with the given step size ?x to approximate y (2).
Mathematics