Solve the quadratic equation by any method.-x2 + 14x = 53

A. -7, 2
B. 14
C. No real solutions
D. 9, 5


Answer: C

Mathematics

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Use the formula C = (F - 32) for converting degrees Fahrenheit into degrees Celsius to find the Celsius measure of the Fahrenheit temperature.F = 149°

A. 70° C B. 60° C C. 75° C D. 65° C

Mathematics

Solve the equation. + x = 3

A.  
B. 11
C.
D.  

Mathematics

Provide an appropriate response.Assume that the volume of the earth is 5 × 1014 cubic meters and the volume of a bacterium is 2.5 × 10-16 cubic meters. If the earth could be filled with bacteria, how many would it contain?

A. 2.0 × 10-30 bacteria B. 5.0 × 10-31 bacteria C. 5.0 × 1031 bacteria D. 2.0 × 1030 bacteria

Mathematics

Solve the problem.A faucet is used to add water to a large bottle that already contained some water. After it has been filling for 3 seconds, the gauge on the bottle indicates that it contains 18 ounces of water. After it has been filling for 11 seconds, the gauge indicates the bottle contains 58 ounces of water. Let y be the amount of water in the bottle x seconds after the faucet was turned on. Write a linear equation that models the amount of water in the bottle in terms of x.

A. y = 5x + 47
B. y = -5x + 33
C. y = x + 
D. y = 5x + 3

Mathematics