Use the quadratic formula to solve the quadratic equation. Approximate the solutions to the nearest tenth.5.1x2 - 5.8x - 4.8 = 0
A. -1.7, 0.6
B. -0.6, 1.7
C. -1.1, 3.4
D. -1.5, 0.3
Answer: B
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A. -e9 B. -9 C. 9 D. 9e
Find the mean of the given values.75, 85, 61, 81, 58
A. 85 B. 75 C. 72 D. 60
Use the properties of summation notation to find the sum.
A. 206 B. 162 C. 174 D. 154
Solve the problem.A deli sells three sizes of chicken sandwiches: the small chicken sandwich contains 4 ounces of meat and sells for $3.00; the regular chicken sandwich contains 9 ounces of meat and sells for $3.50; and the large chicken sandwich contains 12 ounces of meat and sells for $4.00. A customer requests a selection of each size for a reception. She and the manager agree on a combination of 52 sandwiches made from 26 pounds 14 ounces of chicken for a total cost of $179. How many of each size sandwich will be in this combination? (Note: 1 pound = 16 ounces)
A. 18 small sandwiches, 22 medium sandwiches, 12 large sandwiches. B. 16 small sandwiches, 28 medium sandwiches, 8 large sandwiches. C. 14 small sandwiches, 18 medium sandwiches, 20 large sandwiches. D. 20 small sandwiches, 16 medium sandwiches, 16 large sandwiches.