subject
Mathematics, 16.06.2021 18:20 kylea97

Deandra is doing her math homework. She completed the first 6 problems in 2 hours and the last 12 problems in 3 hours. Which best describes Deandra’s rate for completing her homework?
Deandra completed the first 6 problems at a rate of 6 problems per hour and the last 12 at a rate of 2 problems per hour.
Deandra completed the first 6 problems at a rate of 3 problems per hour and the last 12 at a rate of 4 problems per hour.
Deandra completed the first 6 problems at a rate of 2 problems per hour and the last 12 at a rate of 6 problems per hour.
Deandra completed the first 6 problems at a rate of 4 problems per hour and the last 12 at a rate of 3 problems per hour.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
12. the amount of money in a bank account decreased by 21.5% over the last year. if the amount of money at the beginning of the year is represented by ‘n', write 3 equivalent expressions to represent the amount of money in the bank account after the decrease?
Answers: 2
question
Mathematics, 21.06.2019 22:20
Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit
Answers: 1
question
Mathematics, 22.06.2019 00:00
Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?
Answers: 3
question
Mathematics, 22.06.2019 05:30
Apudding recipe requires 2/3 of a cup of milk for every 1 3/4 cups of sugar. what is the unit rate of sugar to milk in the pudding recipe?
Answers: 3
You know the right answer?
Deandra is doing her math homework. She completed the first 6 problems in 2 hours and the last 12 pr...
Questions
question
Mathematics, 30.10.2021 20:00
question
Social Studies, 30.10.2021 20:00
question
Mathematics, 30.10.2021 20:00
Questions on the website: 13722367