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Svet_ta [14]
3 years ago
6

Question 3 of 10

Mathematics
1 answer:
Aleks [24]3 years ago
4 0
C=+3 since your adding three more onto four
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Algebra help needed
lesantik [10]

Answer:

The ball will reach the ground when h=0.

Set the equation equal to 0.

0=-8(2 t-4)(t+1)

t=-1,2

Step-by-step explanation:

The height of a golf ball after it has been hit from the top of a hill can be modeled by the equation

h=-8(2 t-4)(t+1),

where h is the height in feet and t is time in seconds.  

When ball will reach the ground the distance between ball and ground is 0. So, the ball will reach the ground when h=0.

To find the time it takes for the ball to reach the ground,  set the equation equal to 0 and use the Zero Product Property to solve for $t$.

h=-8(2 t-4)(t+1)

\Rightarrow 0=-8(2 t-4)(t+1)

Solve the equation using the Zero Product Property.

2t-4=0\Rightarrow t=\dfrac{4}{2}=2

t+1=0\Rightarrow t=-1

So, t=-1,2

7 0
3 years ago
Something divided by - 1 1/4 = 2.8
sergey [27]
-3 1/2 because if you do 2.8 times 1 and 1/4 you get 3.5 and 3.5 as a fraction is 3 1/2
5 0
3 years ago
Read 2 more answers
It costs $74 per hour plus a $65 service fee to have a home theater system set up for you. Let t represent the number of hours.
ki77a [65]

Answer:

74t + 65= total cost

Step-by-step explanation:

74 is the amount per hour, so you would need to multiply that by the number of hours they work (74t) and the 65 is a set fee (does not change based on the amount of service) so you just add that on

8 0
2 years ago
A line contains the points (82, −96) and (87, −86). what is the slope of the line in simplified form?
True [87]
-96-(-86)     -10     -2
------------=  ------= -----= -2
  82-87        -5        1
3 0
3 years ago
Help to answer this question?
rosijanka [135]

Answer:

No, Victoria doesn't have enough. She doesn't have enough because 15% off of 139.99 is 118.99. But then their is a 7% sales tax. So once you add the sales tax you get $127.32 and her max is $125.

Step-by-step explanation:

4 0
3 years ago
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