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
Answer: C
Mathematics
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Factor the polynomial completely. If the polynomial is prime, so state.36x3y3 + 21x2y4 + 3xy5
A. 3xy3(3x + y)(4x + y) B. 3xy(3x + y2)(4x + y) C. 3y3(3x2 + y)(4x + y) D. xy3(9x + 3y)(4x + y)
Mathematics
Solve the equation by factoring.4x2 + 20x + 25 = 0
A. 
B. 
C. 
D. 
Mathematics
Write the name of the metric unit of measurement described.100 times a gram
A. dekagram B. centigram C. hectogram D. kilogram
Mathematics
Find the quotient and the remainder.45x2 + 35x - 11 divided by 5x
A. 9x2 + 7x - 
; remainder 0
B. 45x + 35; remainder -11
C. 9x - 4; remainder 0
D. 9x + 7; remainder -11
Mathematics