ulolosamoata723 ulolosamoata723

08-10-2018
Mathematics

contestada

during a 500-meter race, a runner ran the first 400 meters in 1 minute and 25 seconds.she finished the race i 2 minutes and 15 seconds. what was her average rate of change during the last 100 meters of the race as a decimal

Respuesta :

sqdancefan sqdancefan

08-10-2018

She ran the last 100 meters in 2:15 -1:25 = 0:50, so her average speed was

... (100 m)/(50 s) = 2.0 m/s

Answer Link

Otras preguntas

If 3 times a certain number is increased by 4 the result is 28. What is the number? If x is "the number," which of the following equations could be used to solv

Which practice did Robert Frost have in common with his modernist peers? writing in everyday language writing in free verse using traditional forms using experi

Which method of solving quadratic equations would be the easiest to use to find the solution for x2 – 13x + 12 = 0?

Rank the size of a change in temperature of one degree Fahrenheit, one degree Celsius, and one kelvin. In other words, if a thermometer were to show that the te

For the coordinates of P and M (the midpoint) are given. Find the coordinates for Q. P(3, 11) and M (0, 0)

If one U.S. dollar equals one euro, which of these could result if the euro experiences inflation? a) E.U. citizens could purchase more goods in the U.S. for le

What energy conversion occurs when a battery powered car rolls across the floor? Stored chemical energy is converted to mechanical energy. Stored electrical en

If you exercise too hard or too often you might run the risk of

Which sentence is punctuated correctly? A. Igor Stravinsky composed the music for the 1913 ballet "The Rite of Spring." B. The 1998 book "A Walk in the Woods"

aspect of wellness involved in body size and weight management are