subject
Mathematics, 16.11.2019 07:31 dekarouh

You can trim the grass using a lawnmower at a rate of 80 square feet per minute. you can use a string trimmer at a rate of 20 square feet per minute. the yard has an area of 2800 square feet. if you use the trimmer for 20 minutes, how many minutes will you use the lawnmower?

a 60
b 80
c 50
d 30

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. the heights of the girls in an advanced swimming course are 55, 60, 59, 52, 65, 66, 62, and 65 inches. match the measures of this data with their values.
Answers: 1
question
Mathematics, 21.06.2019 17:00
For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is
Answers: 2
question
Mathematics, 21.06.2019 17:10
Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.
Answers: 3
question
Mathematics, 21.06.2019 19:30
If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m βˆ’ 1) : (2n βˆ’ 1).
Answers: 3
You know the right answer?
You can trim the grass using a lawnmower at a rate of 80 square feet per minute. you can use a strin...
Questions
question
History, 24.02.2020 23:18
question
Mathematics, 24.02.2020 23:18
question
Mathematics, 24.02.2020 23:18
question
Mathematics, 24.02.2020 23:18
Questions on the website: 13722366