Graph the inequality.
-
< 1
A.
B.
C.
D.
Answer: C
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Express the vector as a product of its length and direction.6j
A. 6(6j)
B. j
C. 6
D. 6j
Solve the problem.An honest coin is tossed n times. Let the random variable X denote the number of heads tossed. How many tosses n are required to be 97.5% certain that X will be less than + 20?
A. 100 B. 400 C. 800 D. 200 E. none of these
Perform the indicated operation or operations. If a quotient is a repeating decimal, write the answer with a bar over the repeating digit or digits.(-7.2) ÷ 1.0
A. -8.2 B. -72 C. -7.2 D. -0.72
Solve the problem.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. They used 100 black, 110 white and 90 red wires. How many of each cable were made?
A. 10 cable A 30 cable B 93 cable C B. 10 cable A 30 cable B 20 cable C C. 20 cable A 30 cable B 10 cable C D. 10 cable A 103 cable B 20 cable C