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
stepladder [879]
3 years ago
5

A ball is thrown into the air with an upward velocity of 28 ft/s. Its height (h) in feet after t seconds is given by the functio

n h=-16t^2+28t+7. How long does it take the ball to reach its maximum height? What is the ball/s maximum height? Round to the nearest hundredth, if necessary.
A. 1.75 s; 7 ft
B. 0.88 s; 43.75 ft
C. 0.88 s; 17.5 ft
D. 0.88 s; 19.25 ft
Mathematics
1 answer:
Yanka [14]3 years ago
3 0
The Answer is D: 

h = -16t^2 + 28t + 7
h' = -32t + 28

-32t + 28 = 0

-32t = -28 

t = .875 seconds

h(.875) = -16(.875^2) + 28(.875) + 7

h(.875) = 19.25 ft
Rounding time to nearest hundredth gives max at (.88s, 19.25ft)
 
You might be interested in
5 23 18 8 4 = 100 Order of Operations<br><br> Use only +, -, ( ), x, /
madreJ [45]

Answer:

200

Step-by-step explanation:

order of operations

6 0
3 years ago
How is poop formed in the body​
AlladinOne [14]

Answer:

from the foood you eat after its digested

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How can you use tables, graphs and equations to compare functions
fgiga [73]

Answer:

A graph is a chart or drawing that shows the relationship between changing things.

- They are a diagram displaying the relationship between numbers or amounts.

- A graph is one of the easiest ways to compare numbers.

- A graph or chart is used to present facts in visual form.

- They are a drawing that displays the relative sizes of numerical quantities.

- Graphs can be used to illustrate many types of data.

- They should be used to make facts clearer and more understandable.

- it shows trends over time.

- Forceful -- Emphasizes main point

- Convincing -- proves a point, see and hear

- Compact way to convey information

- More interesting than just talk or print

- Quick way for the audience to visualize what you are saying -- numbers trends up or down

- To bring facts to life

- To show and compare relationships

- To show and compare changes

- They are much easier to understand then a large

table of numbers

- without

the need to understand what each and every number in a table means.

They help you visually see the difference between two or more values.

Hope this helps!

3 0
3 years ago
The largest prime factor of thirty-five is _____.
galben [10]

Answer:

Prime Factor:  A factor that is a prime number or it must be a whole number greater than 1.

or in other words we can say that any of the prime numbers that can be multiplied to give the original number.

To find the largest prime factor of 35.

First find the factor of 35.

Factors defined as for any numbers that we can multiply together to get another number.

Factor of 35 is; 1, 5 ,7, 35.

Now, the prime factor of 35 is  5 , 7.

Therefore, the largest prime factor of 35 is, 7.


4 0
3 years ago
Read 2 more answers
What is the y-intercept of the line shown ?
makvit [3.9K]
The answer:

7

Explanation:

Look at where the line crosses the y-axis. It crosses it at 7, so that’s your y-intercept
5 0
3 years ago
Other questions:
  • Question 5 / 5 The homegrown Turkey farm is preparing their Thanksgiving shipment. In one container they can put 8 big turkey bo
    9·1 answer
  • Question 2 help please
    10·1 answer
  • Two sides of an equilateral triangle have lengths x+2 and -2x+20 Which could be the length of the third side: 14-x or 2x+4?
    10·1 answer
  • What is “y greater than or equal to 1/2x graphed using the formula y=Mx+b”??
    11·1 answer
  • Isaac used 1/4 ounces of nuts to make a 1/2 pound of cake. How many ounces of nuts are needed?
    7·1 answer
  • Find the circumference of the circle in terms of π (pi)
    13·2 answers
  • 210+698-812+1453-1300
    13·2 answers
  • Express in the form n : 1.<br> Give n as a fully simplified fraction.<br> 20 : 15
    11·2 answers
  • If f(x)=3x+10, find f(4)? <br><br> a. f(4)=17<br> b. f(4)=22<br> c. 22<br> d. f(4)=12
    5·2 answers
  • Find the circumference use 3.1; for pie
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!