Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷
A. 21
B. 37
C.
D. 7
Answer: A
Mathematics
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = 7t2 - 4, y = t5, t = 1
A. y = x +
B. y = x + 1
C. y = x +
D. y = x -
Mathematics
Find the exact value of the expression.cos 40° cos 20° - sin 40° sin 20°
A.
B.
C.
D.
Mathematics
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Mathematics
Solve the problem.Find three consecutive integers such that the sum of the squares of the smaller two is equal to the square of the largest.
A. -1, 0, 1 B. 3, 4, 5 C. -3, -4, -5 D. -1, 0, 1 or 3, 4, 5
Mathematics