Find the exact solutions of the given equation in the interval [0, 2?).
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?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
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Write the fraction in simplest form. Assume that all variable factors in the denominator are not equal to zero.
A.
B.
C.
D.
The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log , where x0 = 10-3.What is the magnitude of an earthquake whose seismographic reading is 7.6 millimeters at a distance of 100 kilometers from its epicenter?Round the answer to four decimal places.
A. 0.20281 B. 3.8808 C. 0.38808 D. 2.0281
Solve by using the square root property.(3x + 5)2 = 10
A. x =
B. x =
C. x =
D. x = - 5 , x =
Job growth The number of jobs in 2000, the number projected in 2025, and the projected annual growth rate for jobs in some cities are shown in the table below. Consider the following sets.
A = set of cities with at least 2,000,000 jobs in 2000 or in 2025
B = set of cities with at least 1,500,000 jobs in 2000
C = set of cities with projected annual growth rate of at least 2.5%
Choose the correct verbal description of A?C.
a. The set of cities with at least 2,000,000 jobs in 2000 or 2025 and projected annual growth rates of at least 2.5%.
b. The set of cities with at least 1,500,000 jobs in 2000 and projected annual growth rates of at least 2.5%.
c. The set of cities with at least 2,000,000 jobs in 2000 or 2025 and projected annual growth rates of less than 2.5%.
d. The set of cities with at least 2,000,000 jobs in 2000 and projected annual growth rates of at least 2.5%.
e. The set of cities with at least 2,000,000 jobs in 2000 or 2025 or projected annual growth rates of at least 2.5%.