williamhrg williamhrg

03-04-2020
Mathematics

contestada

when she was in year 8, sarah could run 800m in 3 minutes 20 seconds

Respuesta :

georgiabut georgiabut

03-04-2020

Answer:

82%

Step-by-step explanation:

three years later she could run 800 meters in 2 minutes 44 seconds find the percentage imporvment

in year 8 she ran 800m in 200 seconds (60x3+20)

year 11 she ran 800m in 164 seconds (60x2+44)

164/200 x 100

=82%

Answer Link

kingxswoosh2019 kingxswoosh2019

03-04-2020

Answer:

18%

Step-by-step explanation:

200-164/200 x 100=18

Answer Link

Otras preguntas

Which of the following statements about vocabulary building is correct? A. Using the dictionary is the only necessary step in the process of vocabulary buildi

80 kg decreased by 63%

I want to spend $21 of her $300 on a gift what percent of her paycheck was spent on the gift

Which statement is correct? The number of electrons of a neutral atom always equals the number of protons. The number of neutrons always equals the number of pr

It can cause erratic and irrational thoughts and emotions, which can make you make bad decisions.

the ratio of the number if people who own a smartphone to the number of people is 4:3. If people who own a smartphone than a flip phone,how many people own each

what is magna carta?who wrote the magna carta?what year was it written in.

what is 41 percent of 25

The Columbian exchange is associated with which new development across the globe?

Water is called the “universal solvent.” Which statement best explains this description with respect to ionic compounds?