Refer to the right triangle ABC with C = 90°.Assuming that a = 6 and b = 8, find c.

A. 7
B. 10  
C. 5
D. 9


Answer: B

Mathematics

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Solve the problem.Estimate the minimum number of subintervals needed to approximate the integral with an error of magnitude less than 10-4  using Simpson's Rule.

A. 1170 B. 36 C. 6 D. 70

Mathematics

Use an inverse matrix to find the solution to the system.

A. x = 5, y = 4, z = 7 B. x = -5, y = 10, z = 7 C. x = 5, y = 7, z = 4 D. x = -5, y = 7, z = 10

Mathematics

According to the data released by a city's Chamber of Commerce, the weekly wages of factory workers are normally distributed with a mean of $380 and a standard deviation of $50. Round your answers to four decimal places, if necessary. ? Find the probability that a worker selected at random from the city has a weekly wage of less than $300. ? __________ ? Find the probability that a worker selected at random from the city has a weekly wage of more than $460. ? __________ ? Find the probability that a worker selected at random from the city has a weekly wage of between $350 and $450. ? __________

What will be an ideal response?

Mathematics

Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + x + 6 = 0

A.
B.
C.
D. no real solution

Mathematics