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Mathematics, 25.09.2020 21:01 Biank2286

1.If Jaime is riding at 14 miles per hour and Cori is riding at 0.40 km per minute, how far will each of them bike in two hours? 1 mile is equivalent to 1.61 kilometers. Use the equation d=vt A. Jaime will bike 28 miles and Cori will bike 29.82 miles

B. Jaime will bike 38.64 miles and Cori will bike 28 miles

C. Jaime will bike 28 miles and Cori will bike 38.64 miles

D. Jaime will bike 29.82 miles and Cori will bike 28 miles

2.One city's highest temperature during this passed summer was 34 degrees Celsius, a second city's highest temperature over the same period was 97 degrees Fahrenheit. Convert City 2's temperature to Fahrenheit, using F=(C×9/5)+32, to determine which city had the highest temperature during the summer.(1 point)

A. City 1 had a highest temperature of 93.2 degrees Fahrenheit, while City 2 had a higher maximum temperature of 97 degrees Fahrenheit.

B. The two cities had the same highest temperature.

C. City 1 had a highest temperature of 29.4 degrees Fahrenheit, while City 2 had a higher maximum temperature of 97 degrees Fahrenheit.

D. City 1 had a highest temperature of 97 degrees Fahrenheit, while City 2 had a higher maximum temperature of 93.2 degrees Fahrenheit.

3.Convert the following two densities to grams per cubic centimeter to determine which mineral is more dense.
Galena, which has a density of 0.0074 kilograms per cubic centimeter. and tiger's eye, which has a density of 2,640 kilograms per cubic meter.

A. Galena has a density of 20.64 grams per cubic centimeter, which is less dense than tiger's eye at 70.4 grams per cubic centimeter.

B. Galena has a density of 7.4 grams per cubic centimeter, which is more dense than tiger's eye at 2.64 grams per cubic centimeter.

C. Galena has a density of 0.74 grams per cubic centimeter, which is less dense than tiger's eye at 2.64 grams per cubic centimeter.

D. Galena has a density of 70.4 grams per cubic centimeter, which is more dense than tiger's eye at 20.64 grams per cubic centimeter.

4.Two taxi companies in a city only charge by mileage and do not charge an initial fee. If Taxi 1 charges $3.00 per miles and Taxi 2 charges $1.77 per kilometer. Determine how much a 12 mile ride will cost in each taxi. There are 1.61 kilometers in every mile.(1 point)

A. A 12 mile ride in Taxi 1 costs $36.00, and in Taxi 2 it costs $34.20

B. A 12 mile ride in Taxi 1 costs $36.00, and in Taxi 2 it costs $13.19

C. A 12 mile ride in Taxi 1 costs $34.00, and in Taxi 2 it costs $34.20

D. A 12 mile ride in Taxi 1 costs $34.20, and in Taxi 2 it costs $36.00

The linear density of a rope is the ratio of its mass per unit length. It is given by the equation λ=m/l, where λ is the linear density, m is the mass, and l is the length. If the linear density of a rope is given with units of g/cm and the distance is given in units of cm, what would be the units for mass?(1 point)

A. g/cm

B. g

C. g⋅cm

D.1/g

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