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Question 729962: For this problem/situation: "From ground level, an objec travels upward with an initial velocity of 240 ft/sec. The height, h, in feet of the object at any given time (t) in seconds is h(t)=240t-16t (squared). Find the value of t when h(t)=0" , what would you be looking for in order to solve it? A root/solution/etc, vertex, etc.?
Click here to see answer by josgarithmetic(39615)  |
Question 730245: In a lake, there is a patch of lily pads. Every day the patch doubles in size. If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of the lake?
Click here to see answer by lynnlo(4176) |
Question 730246: A ball is thrown upward from the top of a building. The ball's height above the ground after t seconds is given by the function: h(t) = -16t^2 + 48t +32.
a. What is the initial height (i.e. the height of the building)?
b. How high did the ball go?
c. When does the ball hit the ground?
Click here to see answer by josmiceli(19441)  |
Question 730249: A toy rocket is launched from the top of a building 50ft tall at an initial velocity of 200ft/sec. Let t represent the amount of time elapsed after the launch.
a. Express the height s as a function of the time t.
b. Determine both analytically and graphically the time at which the rocket reaches its highest point. How high will it be at that time?
c. For what time interval will the rocket be more than 300ft above ground level? Determine the answer graphically, and give times to the nearest tenth of a second.
d. After how many seconds will the rocket hit the ground? Determine the answer graphically.
Click here to see answer by lynnlo(4176) |
Question 730255: An airplane is flying at a speed of 350 miles/hr at an altitude of one mile. The plane passes directly above a radar station at time t=0.
a. Express the distance s(in miles) between the plane and the radar station as a function of the horizontal distance d(in miles) that the plane has flown.
b. Express d as a function of the time t (in hours) that the plane has flown.
c. Use composition to express s as a function of t.
Click here to see answer by lynnlo(4176) |
Question 730242: Let P(-3,6) and Q(10,1) be two points in the coordinate plane:
a. Find the distance between P and Q.
b. Find the slope intercept form of the equation of the line that contains P and Q.
c. Find an equation of the circle that contains P and Q and whose center is the midpoint of the segment PQ.
d. Find the equation for the line that contains P and that is perpendicular to the segment PQ.
e. Find an equation for the line that passes through the origin and that is parallel to the segment PQ.
Click here to see answer by lynnlo(4176) |
Question 730849: help!!!! Problem:
Joe is giving out some coupons for 3 free hours of canoe rental. melissa has 5 more coupons than joe to give out, and her coupons are for 4 free hours of canoe rental. if their coupons represent 90 free hours of canoe rental in all, how many coupons do they each have?
Click here to see answer by jim_thompson5910(35256) |
Question 730854: It takes 2 hours for workers at Cary's Dairy Farm to prepare a pound of milk and 4 hours to prepare a pound of cheese. Additionally, it takes 10 pounds of milk to make 1 pound of cheese.
The cows at the farm can produce a maximum of 150 pounds of milk a day. The farm workers can devote a maximum of 240 hours of labor a day.
If the farm makes a profit of $4.00 for every pound of milk it sells and $2.00 for every pound of cheese, what is the maximum profit the farm can make each day?
Click here to see answer by lynnlo(4176) |
Question 730907: Can someone verify I got this answer correct?
Find the best buy. Justify your answer.
2 cans of soup for $3.42= 1.71/can
3 cans of soup for $4.99= 1.66/can
5 cans of soup for $8.79= 1.75/can
$1.66/can the best buy.
Click here to see answer by stanbon(75887) |
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