Solve using the substitution method. Use a graphing calculator to check your answer. x - 3y = 10x = y + 4
A. (-4, 2)
B. (1, -3)
C.
| No solution |
D. Infinitely many solutions
Answer: B
Mathematics
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Evaluate using the change-of-base formula. Round to four decimal places.log2.4 200
A. 83.3333 B. 0.1652 C. 2.3010 D. 6.0520
Mathematics
Find the product.
A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.The power P (in W) generated by a particular windmill is given by P = 0.015 V3 where V is the velocity of the wind (in mph). Find the instantaneous rate of change of power with respect to velocity when the velocity is 11.4 mph. Round your answer to the nearest tenth.
A. 13.0 W/mph B. 0.5 W/mph C. 44.4 W/mph D. 5.8 W/mph
Mathematics
Find the greatest common factor.12, 18, 20
A. 4 B. 1 C. 12 D. 2
Mathematics