A firecracker shoots up from a hill 140 feet high, with an initial speed of 100 feet per sound. Using the formula H (t) = - 16t2 + be + s, approximately how long will it take the firecracker to hit the ground?
A.) 5 secs
B.) 7 secs
C.) 9 secs
D.) 11 secs
Answers (1)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A firecracker shoots up from a hill 140 feet high, with an initial speed of 100 feet per sound. Using the formula H (t) = - 16t2 + be + s, ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
Why is graphing not always the best option for solving systems?
Answers (1)
How many roots do the following equations have? - 12x2 - 25x + 5 + x3 = 0
Answers (1)
What preserves a shapes orientation? a. Vertical translation b. Reflection across the shapes base c. Rotation about its center
Answers (2)
A baseball team plays in a stadium that holds 52,000 spectators. With the ticket price at $10, the average attendance at recent games has been 21,000.
Answers (1)
Let f (x) = x-2 and g (x) = x2-7x-9. Find f (g (-1))
Answers (1)
New Questions in Mathematics
What is 5/8of 40?
Answers (1)
A radio station gave away concert tickets every hour yesterday. At the end of the fifth hour, the station had 418 tickets left. At the end of the seventh hour, the station had 374 tickets left.
Answers (1)
How did you actually solve for y and x
Answers (2)
A, B & C form the vertices of a triangle. ∠ CAB = 90°, ∠ ABC = 65° and AC = 9.5. Calculate the length of AB rounded to 3 SF.
Answers (1)
Convert 12 kilograms to pounds, Use 1 kg=2.2 Ib
Answers (1)