Simplify the complex fraction.
A. -
B. -
C. -
D. -
Answer: A
Mathematics
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Find a 95% confidence interval for the true population proportion.In a random sample of 186 births at one hospital, 33% were by Caesarean section.
A. 25.7% to 40.3% B. 32.9% to 33.1% C. 29.3% to 36.7% D. 32.5% to 33.5%
Mathematics
Find the quotient.
A. -500
B. -5
C. 5
D. -
Mathematics
Solve the equation. Express radicals in simplest form.x2 = 144
A. ±13 B. 72 C. ±12 D. 12
Mathematics
Solve the problem.Initially, a pendulum swings through an arc of 3 feet. On each successive swing, the length of the arc is 0.8 of the previous length. After 10 swings, what total length will the pendulum have swung (to the nearest tenth of a foot)?
What will be an ideal response?
Mathematics