Question

A student runs 100 meters in 11 seconds. What is the speed of the student?

speed = distance over time; 1 mile = 1609 meters

A. 9.1 miles per hour

B. 16 miles per hour

C. 20.3 miles per hour

D. 24 miles per hour

Answer 1

Divide Miles by Hours.

Answer 2

100m= 0.621371 miles
11 seconds = 0.0030556 hours

So with the significant digits the answer would be 20.3 miles/hour..

Answer 3

thank you ! @Light&Happiness

Answer 4

No problem! Glad I could help

Answer 5

can you help me with another problem? @Light&Happiness

Answer 6

I'll do my best.

Answer 7

A box is has dimensions of 14 inches long, 1.5 feet wide, and 7 inches high. What is the volume of the box? The formula for the volume is V = l • w • h.

1.02 cubic inches (in3)

12.25 cubic inches (in3)

147 cubic inches (in3)

1764 cubic inches (in3)

Answer 8

i got B. 12.25 cubic inches (in3) but im not sure

Answer 9

@Light&Happiness

Answer 10

The desired answer is in cubic inches,

so we convert 1.5 feet to inches:

1.5 feet * 12 inches/1 ft = 18 inches

14 * 18 * 7 = 1764 cubic inches

Answer 11

So 1764 cubic inches would be correct!

Answer 12

ah okay thank you so much :) @Light&Happiness