= x + d=550 miles/hour x 4 hours 2200 miles A girl on a bicycle rides down a hill 500 meters long in 50 seconds. What is the girl Equation: d=sxt Work: d=500 meters/x 50 sec. Answer what is the answer to 500 meters long in50 second . hours. what is the. girls speed?

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Solve for x, y, and z. show all steps.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.