Mathematics, 13.05.2021 18:50 Felici6086
The average of 10 students is 18 years. If two new students join, the average is increased by two years. What is the age of the two new students? Pls help. I need a an
Answers: 3
Mathematics, 22.06.2019 04:00
Akayaker travels 3 miles upstream and 3 miles downstream in a total of 4 hours. in still water, the kayaker travels at a speed of 2 mph. what is the average speed of the river's current?
Answers: 2
Mathematics, 22.06.2019 07:30
For problems 7–10, state a reasonable domain for the problem statement, find the inverse function f –1(x), and identify the independent and dependent quantities of the inverse. 7. gary is jogging. the total distance he has traveled, in miles, can be estimated using the function f(x) = 9x, where x is his jogging time in hours. 8. camryn sells computers. she earns commission for her computer sales plus a fixed wage for each day she works. her daily earnings, in dollars, can be estimated using the function f(x) = 0.15x + 50, where x represents her computer sales in dollars. 9. the distance a motorboat travels, in meters, can be estimated using the equation f(x) = 1.9x2, wherexisthetimeinseconds,for0≤x≤10. 10. a rock band is selling tickets to a concert at a theater. the band earns money for each ticket sold, but has to pay some of the earnings to the theater. the total money earned by the band can be estimated using the function f(x) = 7.5x – 300, where x is the number of tickets sold.
Answers: 1
Mathematics, 22.06.2019 09:00
The length of a rectangle is shown below: on a coordinate grid from negative 6 to positive 6 on the x-axis and on the y-axis, two points a and b are shown. the point a is on ordered pair 1, 2, and the point b is on ordered pair negative 2, 2. a straight line joins the points a and b. if the area of the rectangle to be drawn is 12 square units, where should points c and d be located, if they lie vertically below the line that connects b and a, to make this rectangle?
Answers: 1
The average of 10 students is 18 years. If two new students join, the average is increased by two ye...
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