Mathematics, 26.10.2019 11:43 emokid7822
Anna burned 15 calories per minute running for x minutes and 10 calories per minute hiking for y minutes. she spent a total of 60 minutes running and hiking and burned 700 calories. the system of equations shown below can be used to determine how much time anna spent of each exercise.
15x + 10y =700
x + y = 60
what is the value of x, the minutes anna spent running?
a) 20
b) 40
c) 10
d) 30
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 16:00
The graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.
Answers: 1
Mathematics, 21.06.2019 17:00
The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?
Answers: 2
Mathematics, 21.06.2019 18:30
The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?
Answers: 3
Mathematics, 21.06.2019 20:00
Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 1
You know the right answer?
Anna burned 15 calories per minute running for x minutes and 10 calories per minute hiking for y min...
Questions
Business, 23.08.2020 01:01
Mathematics, 23.08.2020 01:01
Business, 23.08.2020 01:01
Spanish, 23.08.2020 01:01
Mathematics, 23.08.2020 01:01
Mathematics, 23.08.2020 01:01
Mathematics, 23.08.2020 01:01
Mathematics, 23.08.2020 01:01
Chemistry, 23.08.2020 01:01
Social Studies, 23.08.2020 01:01
