1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
inn [45]
3 years ago
11

A projectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t

. After how many seconds does the projectile take to reach its maximum height?
Mathematics
1 answer:
Alex787 [66]3 years ago
4 0
You need to find the x-coordinate (h) of the vertex of the parabola.

-16t^2+704t=0\\
h=-\dfrac{b}{2a}=-\dfrac{704}{2\cdot(-16)}=22


After 22 seconds.
You might be interested in
If line d intersects plane F, then how many points on line d also lie on plane F?
Fittoniya [83]
The answer would be 
B) 1
hope this helps!
7 0
3 years ago
A pancake recipe calls for 4 cups of flour and 3 cups of milk.Does a recipe calling for 2 cup of flour and 1.5 cups milk use the
Tpy6a [65]
Yes.
4 cups of flour/3 cups of milk= 1.33 flour/milk
2 cups of flour/ 1.5 cups of milk= 1.33 flour/milk
As you can see, these are the same ratios.
7 0
3 years ago
Help: please I’m so confused
skad [1K]
Make a ratio and cross multiply
5 0
3 years ago
$46 shoes; 2.9% tax what is the answer?
Dominik [7]
59.34 ---------------
4 0
3 years ago
Read 2 more answers
36 into the ratio 5:4
Mrac [35]

Answer:

5/4 divided by 36?

= 5/144

3 0
2 years ago
Read 2 more answers
Other questions:
  • PLZZ HELP ANSWER FIRST YOU GET 22 POINTS AND BRAINLYEST AND THERE IS A PICTURE
    15·2 answers
  • Solve for e 9e + 4 = − 5e + 14 + 13e 9e + 4 = -5e + 14 + 13e
    8·2 answers
  • What is meant by the term total installment price?
    12·1 answer
  • Ms. Carey is planning to host a neighborhood picnic. To make sure she had enough ingredients, she was making a table of
    9·1 answer
  • Estimate the quotient of 239.63 ÷ 7.51.
    15·1 answer
  • A 15-inch candle burns down in 10 hours. at what rate does the candle burn in inches per hour
    5·2 answers
  • out of 35 librarians surveyed 12 librarians chose fantasy as their favorite 9 chose nonfiction and 14 chose fiction qhat percent
    5·1 answer
  • Please tell fast plzzzzzz​
    10·1 answer
  • Quandale dingle caught eating fire at a market
    9·1 answer
  • At noon, the temperature was 77 degrees, but by midnight, it had dropped to 52 degrees. What percent change is that?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!