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enyata [817]
3 years ago
12

Please help with this question!!?

Mathematics
1 answer:
balu736 [363]3 years ago
8 0

Answer:

6 seconds

Step-by-step explanation:

The ball will hit the ground when its height is 0, so you can plug this into the equation to find your answer.

-16t^2+96t=0

Factoring out -16t, you get:

-16t(t-6), meaning that the solutions are 0 and 6 seconds. Since 0 is the starting point, the answer is 6 seconds. Hope this helps!

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Determine whether the point (1, 5) is a solution to the system of equations. Explain your reasoning in complete sentences. graph
sergejj [24]
According to your text first equation is 
y = 3x+2
second equation is 
y = Ix-1I + 1

Definition of our absolute value Ix-1I is
1) we take x-1 with condition x-1≥0 => x≥1
2) we take -(x-1) = -x+1 with x<1

Let's form the first system with condition x≥1
y= 3x+2 and y=x-1+1=> y=x
If the left sides of the equations are equal, than the right sides are equal too
3x+2=x => 3x-x=-2 => 2x=-2 => x=-1
This solution we can't accept because it does not meet the condition 
x≥1
Lets's form the second system with condition x<1
y=3x+2 and y= -x+1+1 =. y = -x+2
In the same way as previous the right sides are equal =>
3x+2=-x+2 => 3x+x = +2-2 => 4x=0 => x=0
We accept this solution bacause  its meet with condition x<1
When we replace this solution in equation y=3x+2 we got
y=3*0+2=2 Only one solution is (x,y) = (0,2)
Good luck !!!!!



5 0
4 years ago
Read 2 more answers
Kevin has $25. MP3 downloads cost $0.75 each. How many songs can he download and still have $13 left to spend? Write an inequali
vlada-n [284]
Hi there!

Inequality:
25 - 0.75x <= 13

Since x is the amount of MP3 downloads he can buy and each CD costs 0.75 dollars, and since the total price spent needs to be less than 13 dollars and the total amount of money he has is 25 dollars, this is the answer.

Hope this helps!
6 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B5%7D%20" id="TexFormula1" title=" \sqrt{5} " alt=" \sqrt{5} " align="absmiddle" c
WITCHER [35]

Answer:

2.2360679775

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
Answer a and b ASAP
melomori [17]

Answer:

The area of the rectangle is 48cm2

6 0
3 years ago
Need help with this problem ​
Viefleur [7K]

Answer:

 h(x) =  -x² + 11 x + 2

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the functions are  

                                            f(x) = 2 x² - 5x -3

                                            g(x) = x² + 6x -1

               h(x)  = g(x) - f(x)

                      = x² + 6x -1 - (2 x² - 5x -3)

                     = - x² + 6 x +5x -1+3

                    = -x² + 11 x + 2

            h(x) =  -x² + 11 x + 2

<u><em>Final answer:-</em></u>

h(x) =  -x² + 11 x + 2

                             

4 0
3 years ago
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