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charle [14.2K]
3 years ago
14

When Angel left his house in the morning, his cell phone battery was partially

Mathematics
1 answer:
Margaret [11]3 years ago
3 0
State the x-intercept of the graph and determine its interpretation in the context of the problem
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A model rocket is launched from the ground with an initial velocity of 100 feet per second. How many seconds later does the rock
siniylev [52]

Answer:

  6.3

Step-by-step explanation:

The rocket hits the ground at the same speed it left, only the velocity is downward, rather than upward. That is, the change in velocity is from +100 ft/s to -100 ft/s, a total change of 200 ft/s. The change in velocity is brought about by the acceleration due to gravity, 32 ft/s/s. The time required for the observed change in velocity is ...

  (200 ft/s)/(32 ft/s²) = 6.25 s

Rounded to tenths, it takes the rocket 6.3 seconds to hit the ground.

_____

The equation for the ballistic motion of the rocket is ...

  h(t) = -1/2·gt² +v0·t

where g is 32 ft/s² and v0 is 100 ft/s. A graph of this equation shows the rocket hits the ground at 6.25 seconds, as above.

3 0
4 years ago
Can someone please answer. There is one question. There a picture. Thank you!
Anuta_ua [19.1K]
Ok so you need the surface area formula of a cone.

A = πrl +  πr∧2

where π = 3.14 (pi) 
           r = half of the diameter (18/2 = 9)
           l = slant hight ( 22 )
Slot this into the equation  A =  (3.14 [ rounded] )(9)(22) + (3.14 [ rounded] )(9)∧2 = 876.06 this is due to the rounded pi the answer is 876.5 i.e the third.

Hope this helps :D.
6 0
4 years ago
Circle the two equations that represent the linear function graphed below.
Arlecino [84]

Answer:

poop lol

Step-by-step explanation:

3 0
3 years ago
The line represented by the equation 2y - 3x = 4 has a slope of.....
S_A_V [24]
2y - 3x = 4 
2y = 3x + 4
y = 3/2*x + 2

y = kx + b ==>

k = 3/2 = 1,5
7 0
4 years ago
Help me on this please
Butoxors [25]

Answer:

y=35x+50

35*8=280

280+50=330

yes there will be 10 dollars left

I hope this is good enough:

8 0
3 years ago
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