The scores on a standardized test form a normal distribution with mean of 140 and standard deviation of 12. If 36,000 students took the test, how many scored above 149?
What will be an ideal response?
8158
Mathematics
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln y-z
A. y ln z B. -z ln y C. z ln y D. -y ln z
Mathematics
Factor completely, or state that the polynomial is prime.x2 - 7x - 30
A. (x + 1)(x - 10) B. (x - 3)(x + 10) C. (x + 3)(x - 10) D. prime
Mathematics
Factor completely. Make sure you factor out the GCF first if possible. If prime, so state.6x2 - 18xy - 24y2
A. prime B. 6(x + y)(x - 4y) C. (6x - 6y)(x + 4y) D. 6(x - y)(x + 4y)
Mathematics
Evaluate the integral.
A. 22 sin 
x + 44x cos 
x + C
B. 88 sin 
x - 44x cos 
x + C
C. 22x sin 
x - 44 cos 
x + C
D. 44x sin 
x + 88 cos 
x + C
Mathematics