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
maksim [4K]
3 years ago
9

3. A ball bounces and you are launching a rock to hit it. The equation of the ball bouncing is

Mathematics
1 answer:
natka813 [3]3 years ago
6 0

Answer:

When x = 6.

Step-by-step explanation:

WE need to solve the system:

y = - x^2 + 4x + 4

y = -2x + 4

Equating:

- x^2 + 4x + 4 = -2x + 4

0 = x^2 - 4x - 4 - 2x + 4

x^2 - 6x = 0

x(x - 6) = 0

x = 0, 6.

You might be interested in
Calculate the average of 2000.56<br> 709.90 3.45. 67.34. 550.90
ad-work [718]
The average would be 666.43 or 666.4 if it needs to be rounded to the nearest tenth
4 0
3 years ago
You check 20 cartons of eggs. Three of the cartons have at least one cracked egg. What is the experimental probability that a ca
Solnce55 [7]
\frac{3}{20} or 15%

Hope this helps.
6 0
4 years ago
Read 2 more answers
Does any one know what this is -3.6-1.9t+1.2+5.1t
natta225 [31]

Answer:

-2.4 + 3.2t  

Step-by-step explanation:

-3.6 - 1.9t + 1.2 + 5.1t

-2.4 + 3.2t                    Add like terms

5 0
3 years ago
Help please and im writing this since it needs 20 characters
Marat540 [252]

Answer:

65% !

Step-by-step explanation:

Plz mark as brainliest!

5 0
3 years ago
What is the answer to - y¹⁵・- y¹² ?
GenaCL600 [577]

Answer:

y^3

Step-by-step explanation:

- y^15-12

two negatives is a positive

5 0
3 years ago
Read 2 more answers
Other questions:
  • Elizabeth rose her bike 6 1/2 miles from her house to the library and then another 2 2/5 miles to her friend milos house.
    11·1 answer
  • 2.5 QUIZ ALGEBRA 2
    15·1 answer
  • The reciprocal of 2/3 is 3/2. If the reciprocal of 4x/5 is 1/20, what is x?
    12·1 answer
  • A triangle has sides with lengths of 7 millimeters, 8 millimeters, and 10 millimeters. Is it a
    12·1 answer
  • Emily is entering a bicycle race for charity.Her mother pledges $0.40 for every 0.25 mile she bikes.If emily bikes 18 miles,how
    11·1 answer
  • Order the fractions from least to greatest 3/5, 7/8, 5/6
    6·1 answer
  • 7,574 divided 5 if u get it right ur my best friend i will give v go to https://brainly.com/app/ask?entry=similar&amp;q=7%2C574+
    12·2 answers
  • Help please 6th grade math
    7·2 answers
  • What is 320% of 69, pls show a step by step explanation
    7·1 answer
  • Which angles are adjacent?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!