Use inequality symbols to rewrite the statement. Let x represent the unknown.When a baseball player is in a slump, he may get fewer than 5 hits in 30 times at bat. Let x represent the number of hits.

A. x < 30
B. 5 < x < 30
C. x < 5
D. x > 


Answer: C

Mathematics

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Solve by substitution and check.2x + 10y = 2 x = -5y + 1

A. (1, 5) B. (5, 1) C. Infinitely many solutions D. No solution

Mathematics

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.Find the magnitude (to one decimal place) of an earthquake whose seismographic reading is 2000 millimeters at a distance of 100 kilometers from its epicenter. Round the answer to the nearest tenth.

A. 5.9 B. 7.3 C. 6.3 D. 6.4

Mathematics

Find the center and radius of the sphere.x2 + y2 + z2 - 14x - 12y + 2z = -37

A. C(7, 6, -1), a = 49 B. C(7, 6, -1), a = 7 C. C(-7, -6, 1), a = 7 D. C(7, 6, 1), a = 7

Mathematics

The tread lives of Super Titan radial tires under normal driving conditions are normally distributed with a mean of 42,000 mi and a standard deviation of 5,000 mi. What is the probability that a tire selected at random will have a tread life of more than 35,000 mi? Round your answer to four decimal places, if necessary. ? __________ ? If four new tires are installed on a car and they experience even wear, determine the probability that all four tires still have useful tread lives after 35,000 mi of driving. Round your answer to four decimal places, if necessary. ? __________

What will be an ideal response?

Mathematics