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
Korvikt [17]
3 years ago
10

14) The height, h metres, of a ball projected directly upwards from the ground can be modelled by h = 56t - 71, where t is the t

ime in seconds after it leaves the ground. a) Find the height of the ball 3.5 seconds after it leaves the ground. b) At what time will the ball strike the ground again? c) When will the ball be 49 m above the ground? Briefly explain why there are two possible answers.​
Mathematics
1 answer:
Agata [3.3K]3 years ago
6 0
Okay the height would be nice if it would have to come
You might be interested in
|-4| + |-5| i need help!!!
iren2701 [21]

Answer:

9

Step-by-step explanation:

The absolute value of any number is just its distance from 0.

-4 is 4 away from 0, so its absolute value is 4.

-5 is 5 away from 0, so its absolute value is 5.

Therefore, the equation is basically just asking what is 4 + 5, which is 9 :D.

4 0
3 years ago
Read 2 more answers
What are all simplified form of the equation 2(3x - 4)= 8 + 2x + 4
Goshia [24]
The answer is
6X - 4 = 12 + 2X
8 0
3 years ago
in problems (a)-(d) above, what effect does addition have on the terms in parentheses when you remove the parentheses?
WITCHER [35]

Answer:

It doesnt affect the equation

Step-by-step explanation:

If it were like this

8-(-9) means posotive minus negative 9

5 0
3 years ago
What is the perimeter of rectangle JKUM?<br> 32 units<br> 44 units<br> 56 units
yKpoI14uk [10]

Answer:

64

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
Explanation ASAP please.<br>​
postnew [5]
Triangle area is 1/2 bh
So 11.9 is about 12, 7.1 is about 7.
7x12 = about 84 sq, cm
3 0
3 years ago
Read 2 more answers
Other questions:
  • 4(-8x + 5) - (-33x - 26) =
    12·1 answer
  • Please help me with questions 5, 6, and 7
    7·1 answer
  • A bicycle has a listed price of 538.98 before tax. If the sales tax rate is 6.75%, find the total cost of the bicycle with sales
    9·1 answer
  • Multiply n by m, then divide 3 by the result
    9·1 answer
  • A bird is 7 feet above the ground.what integer would you use to represent the distance that the bird needs to fly to det back to
    15·1 answer
  • How do you show 72 × 139 <br><br> (doing the work)
    10·1 answer
  • What is the area of the figure?<br>links will be reported!​
    12·1 answer
  • To make cheesecake, you need about 2 1/2 pounds of cream cheese. How many pounds of cream cheese will you need to make 2 cheesec
    6·1 answer
  • Plzzz Help me Fast!!
    13·1 answer
  • Subtract the fraction.reduce the answer to lowest terms <br>5/9 - 3/9​
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!