subject

Mathematics, 14.12.2021 21:50 ruleolivas

Lena is competing in a 400 m race. She runs at a constant speed of 4.7 m/s for the first 150 m, then 4.1 m/s for 30 seconds. The remainder of the race takes her 42 seconds to complete. What is Lena's average speed for the entire race to 1 dp?

ansver

Answers: 3

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 19:00

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

Answers: 1

question

Mathematics, 21.06.2019 19:00

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

Answers: 3

question

Mathematics, 21.06.2019 20:00

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Answers: 1

question

Mathematics, 21.06.2019 20:30

Acircus act has 3 times as many elephants as acrobats. jorge noticed that all together there were 56 legs in the circus ring. how many elephants were in the show?

Answers: 2

You know the right answer?

Lena is competing in a 400 m race. She runs at a constant speed of 4.7 m/s for the first 150 m, then...

Questions

question

English, 30.11.2021 17:40

4. 1. Identify a detail from the article that is clarified by the map. Explain how including the map conveys the author's purpose....

question

English, 30.11.2021 17:40

How does the king contribute to the central conflict in "Perseus and the Quest for Medusa's Head"? Question 2 options: Perseus holds up...

question

English, 30.11.2021 17:40

Write five sentences ...

question

Computers and Technology, 30.11.2021 17:40

cellular networks use digital signals and can transmit voice and data at different speeds based on how fast the user is moving; it supports video, web...

question

Mathematics, 30.11.2021 17:40

Which expression shows the perimeter of a rug that is 6 yards in length and 3 yards in

question

Chemistry, 30.11.2021 17:40

How many grams are in 1.960 moles of calcium bromide...

question

Mathematics, 30.11.2021 17:40

Mario's current credit card balance is $2,673.19 with a minimum payment of $102.00. Over the next month, he plans to spend $626.00. If the APR...

question

English, 30.11.2021 17:40

Dil ka dariya beh hi gaya -,- state the river in which woh beh gaya xDa) Gangab) Yamunac) Otherd) state your option...

question

History, 30.11.2021 17:40

"What is your point of view? When the United States seized Mexican territory after the Mexican War, was it business or personal? Support your claim in...

question

Biology, 30.11.2021 17:40

Part C: Specify Your Requirements Now research the types and sizes of homes that are generally found in your neighborhood. Some ZIP codes have...

question

Mathematics, 30.11.2021 17:40

90x40+4-49 whats the answer...

question

Health, 30.11.2021 17:40

Conduct internet research and list some ways to help children deal with various stressors in the school environment....

question

Mathematics, 30.11.2021 17:40

Mr. Andrews must spend less than $72 on lunches during the pay period. He has already spent $27 on lunches. Each meal at the work cafeteria costs $9....

question

Mathematics, 30.11.2021 17:40

Whats 901+70-3x83+203...

question

History, 30.11.2021 17:40

Which of these can vary in length of time?...

question

Mathematics, 30.11.2021 17:40

- Determine the average rate of change of f (x) = x? – 10x + 5 over the interval (-4, 4]...

question

Social Studies, 30.11.2021 17:40

A(n) is a system of consciously coordinated activities or forces of two or more people. Multiple Choice horizontal specialization culture organizatio...

question

History, 30.11.2021 17:40

Hewwo ppl it me lucaswileman on a different account bc mine got messed up so here u go...

question

Chemistry, 30.11.2021 17:40

22) Calculate the energy of a photon of radiation with a frequency of 9.50 x 1013 Hz....

question

Geography, 30.11.2021 17:40

How old is mount tambora...

More questions: Mathematics Another questions

Questions on the website: 13722363