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Maksim231197 [3]
2 years ago
9

Write an equation to represent a number increase by 4 is 7.

Mathematics
1 answer:
Natalija [7]2 years ago
5 0

Answer:

x + 4 = 7

Step-by-step explanation:

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The function h(t) = -16t2 + 48t + 28 models the height (in feet) of a ball where t is the time (in seconds).
Alex17521 [72]

Answer:

64

Step-by-step explanation:

<em>[using calculus] </em>When the function h(t) reaches its maximum value, its first derivative will be equal to zero (the first derivative represents velocity of the ball, which is instantaneously zero). We have h'(t) = -32t + 48, which equals zero when t = 3/2 = 1.5. The ball therefore reaches its maximum height when t = 1.5. To find the maximum height, we need to find h(1.5), which is 64 feet.

<em>[without calculus] </em>This is a quadratic function, so its maximum value will occur at its vertex. The formula for the x-coordinate of the vertex is -b/2a, so the maximum value occurs when t = -48/(2*16), which is 1.5. The maximum height is h(1.5), which is 64 feet.

5 0
3 years ago
I need Help with this problem
yuradex [85]
X-6=36
x=42
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8 0
3 years ago
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HELP PLEASE my teachers always force me to turn on my camera during class unless I have a valid excuse can anyone give me a crea
allsm [11]

Answer: My internet connection is not good enough.

Step-by-step explanation: This one may be pretty commonly used but also a common problem people always have and it's pretty unavoidable. Tell her that the call\meeting gets super laggy and then ends up freezing and that doing it over voice is a better option for you so you can get the best learning experience or something like that. Basically pretend you care until he\she believes it.

Good luck <3 Let me know if you need another!

4 0
2 years ago
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I WILL GIVE BRAINIEST
Anit [1.1K]

Answer:

10 hours, 30 minutes.

Step-by-step explanation:

Distance ÷ Speed = Time

525 ÷ 50 = 10.5

7 0
3 years ago
Which of these is greatest number that rounds to 9?
Sonja [21]
If anything is above 5 it will round up
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3 years ago
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