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
Crank
4 years ago
15

Help me in 25 no...I am not getting

Mathematics
1 answer:
Westkost [7]4 years ago
5 0
25a. You are given a formula for height and told that the value of "r" in the formula is 19.6. You are asked to find the value of t such that h = 14.7. Substitute the given values and solve for t the way you solve any quadratic equation.
 14.7 = 19.6t -4.9t²
 4.9t² -19.6t +14.7 = 0 . . . . . put the equation in standard form
 4.9(t² -4t +3) = 0 . . . . . . . . . factor out 4.9 to simplify the numbers
 (t -1)(t -3) = 0 . . . . . . . . . . .. divide by 4.9 and factor
The solutions to this are ...
 t = 1, t = 3

After 1 second, the ball will reach the height of 14.7 meters.


25b. This question asks you to find the value of t that make h = 0.
 0 = 19.6t -4.9t² . . . . . . substitute the given numbers
 0 = 4.9t(4 -t) . . . . . . . . factor
The solutions to this are ...
 t = 0, t = 4

The ball will hit the ground after 4 seconds.


_____
As you can see from the graph below, a graphing calculator can be helpful for solving problems of this sort.

You might be interested in
The principal of a school district money from the schools budget to three Sports Cricket track and field and Nepal in The Rage o
den301095 [7]

Answer:

NetBall = \$40000

Step-by-step explanation:

Given

Let:

C \to Cricket

T \to Track\ n\ Field

N \to Netball

C:T:N = 4:3:2

Amount = \$180000

Required

Budget for Netball

First, calculate the total ratio

Ratio = 4 + 3 +2

Ratio = 9

The ratio of netball is:

N =2

So, the budgeted amount is

NetBall = \frac{N}{Ratio} * Amount

NetBall = \frac{2}{9} * \$180000

NetBall = 2 * \$20000

NetBall = \$40000

6 0
3 years ago
Solve for s.<br> Give an exact answer.<br> 1<br> 6s - 4 = 8 (2+1/4s)
klemol [59]

Answer:

s =2

Step-by-step explanation:

you need to multiply to find the answer

6 x 2=12

Then you need to replace the s with 2 and see if it fits correctly in this case it does

6x2 -4 =8

12-4=8

3 0
3 years ago
Read 2 more answers
What is quarts and gallons?<br><br>Convert 5 quarts to gallons.​
Lorico [155]
1.25 gallons
Formula- divide the volume value by 4
6 0
3 years ago
Read 2 more answers
Wesley has 8 1/2 pounds of bird seed left to share equally between 2 bird cages in his pet shop. How many pounds can he put in e
ratelena [41]
4.25 between both of the birds.

I hope this helps.
3 0
3 years ago
Read 2 more answers
12345678910 divided by 15 please answer this
Leviafan [203]

Answer: 8,230,452.6

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • Can you give me the work and the answers for these please.
    5·1 answer
  • The vertices of a right triangle are (-6, 4), (0.0) and (x, 0). Find the value of x.
    14·1 answer
  • HELP PLEASE HELP ILL GIVE U 15 points and BRAINLIEST to the correct answer (DONT guess please)
    6·2 answers
  • If y = 12 when x = 9 find, x when y = 4
    11·1 answer
  • The double number lines show the ratio of cups to gallons
    8·1 answer
  • Help? I will give brain list + 5 star rating and like on the profile
    15·1 answer
  • The amounts below show the change (measured in feet) in water level over four months. What is the average monthly change in wate
    9·1 answer
  • Please help, Ill mark brainiest if it helps.
    15·1 answer
  • Look at picture please! :)
    15·1 answer
  • John and Jennifer want to split a bag of candy, and decide to use the divider-chooser method. The bag contains 100 Snickers, 100
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!