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bixtya [17]
3 years ago
6

I don't understand! help please!!! ​

Mathematics
1 answer:
Lina20 [59]3 years ago
7 0

Answer:

try leaving and coming back to it

Step-by-step explanation:

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A baseball player swings and hits a pop fly straight up in air to the catcher. the height of the baseball in meters t seconds af
Ludmilka [50]
h(t)=-4.9t^{2}+34.3t+1
\\h'(t)=(-4.9t^{2}+34.3t+1)'=-9.8t+34.3
\\h'(t)=0
\\-9.8t+34.3=0
\\
\\t= \frac{34.3}{9.8} =3.5
\\
\\h_{max}=h(3.5)=-4.9\times3.5^{2}+34.3\times3.5+1=61.025

The ball reaches its maximum height after 3.5 seconds, and the maximum height is 61.025 meters.
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3 years ago
The table shows a function.
enyata [817]

Answer: I need this too.

Step-by-step explanation:


4 0
3 years ago
Use the substitution method to solve the following system of equations:
Ivenika [448]
Using the first equation:
4x = y + 3   --->   y = 4x - 3
We then substitute this into the second equation:
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8 0
3 years ago
Read 2 more answers
Which expressions are equivalent to (5g+3h+4) •2
timama [110]

Step-by-step explanation:

Unfortunately you didn’t provide the expressions to chose from

however, we can write :

(5g+3h+4) •2 = 2*5g + 2*3h + 2*4  (using distributive property)

                     = 10g + 6h + 8.

5 0
2 years ago
Can someone simplify this expression? 14y – 5(3 – 2y) and explain how you got it.
Paraphin [41]
You first expand the brackets so 
14y-15-10y 
then you put the like terms together  so you do 14y-10y= 4y
4y-15 which is the answer
4 0
3 years ago
Read 2 more answers
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