Subtract.(-2x5 - 10x3) - (17x5 + 19x3)
A. -48x8
B. 15x5 + 9x3
C. -19x5 + 9x3
D. -19x5 - 29x3
Answer: D
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For certain ships the diameter d, in feet, of the propeller depends on the maximum revolutions per minute r the propeller turns. The relation is given by
.
A: Make a graph of d versus r. Include up to 200 maximum revolutions per minute.B: What diameter corresponds to a maximum revolutions per minute of 109?C: What maximum revolutions per minute corresponds to a diameter of 20 feet?
?
Round your answer to two decimal places if necessary.
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What will be an ideal response?
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 10 sin ?
A. 
= 10y
B. x2 + y2 = 10x
C. x2 + y2 = 10y
D. 
= 10x
Solve the equation and check your proposed solution.-x = 5
A. 5
B. 6
C. -5
D. 
Solve for y in terms of x.
What will be an ideal response?