On a movie set, an archway is modeled by the equation:
y = -0.5x^2 + 3x, where y is the...
Mathematics, 29.01.2020 00:58, Queenjlife2583
On a movie set, an archway is modeled by the equation:
y = -0.5x^2 + 3x, where y is the height in feet and x is the horizontal distance in feet. a laser is directed at the archway at an angle modeled by the equation -0.5x + 2.42y = 7.65 such that the beam crosses the archway at points a and b. at what height from the ground are the points a and b?
options:
a) 1.5 feet and 3.5 feet
b) 1.5 feet and 4 feet
c) 3.5 feet and 4 feet
d) 4 feet and 4 feet
Answers: 2
Mathematics, 21.06.2019 18:40, miguel3maroghi
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
Computers and Technology, 04.03.2020 19:45