Afountain on a lake sprays water in a parabolic arch modeled by the equation
y = −0.4x2 + 3x,...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 09.11.2019 14:31, alott1121
Afountain on a lake sprays water in a parabolic arch modeled by the equation
y = −0.4x2 + 3x, where y is the height in feet and x is the horizontal distance. a beam of light is passed through the fountain to create a rainbow effect. if the beam is directed at an angle modeled by the equation -2.2x + 4.9y = 8.18, at what distance from the ground will the beam first touch the water spray?
![answer](/tpl/images/cats/otvet.png)
Answers: 2
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30, Huvch7255
International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30, aliviafrancois2000
Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:50, 20alyssityh224
Arectangle has a perimeter of 24 inches. if the width is 5 more than twice the length, what are the dimensions of the rectangle?
Answers: 3
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/fizika.png)
Physics, 06.05.2020 17:03
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/fizika.png)