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ch4aika [34]
3 years ago
14

Raymond just got done jumping at Super Bounce Trampoline Center. The total cost of his session was $43.25 He had to pay a $7 ent

rance fee and $1.25 for every minute he was on the trampoline.
1. Write an equation to determine the number of minutes (t) that Raymond was on the trampoline?

2. Find the number of minutes he was on the trampoline?
Mathematics
2 answers:
Rus_ich [418]3 years ago
8 0

Answer:

1.25x+7=43.25

29 min

Step-by-step explanation:

  • 1.25x+7=43.25
  • 1.25x= 43.25-7
  • 1.25x=36.25
  • x= 36.25/1.25
  • x= 29 min
Travka [436]3 years ago
6 0

Answer:

the number of the minutes 29

Step-by-step explanation:

because the if we take the cost from the session it will be 36.25 and divide by 1.25 because it takes every minute 1.25 so it will be 29

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Lainey bought a set of 20 markers for $6 dollar sign, 6. What is the cost of 1 marker?
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Help. only questions 3 & 4 .
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3 0
3 years ago
A rubber ball is dropped from the top of a hole. Exactly 20 seconds later, the sound of the rubber ball hitting bottom is heard.
gayaneshka [121]

9514 1404 393

Answer:

  4192.9 ft

Step-by-step explanation:

We assume your falling-distance formula is supposed to be ...

  s = 16t²

So, the time required to fall distance s is ...

  t = √(s/16) = (1/4)√s

The time required for sound to travel distance s is ...

  s = 1100t

  t = s/1100

Then the sum of the time for the ball to fall and the time for the sound to travel back is ...

  (1/4)√s + s/1100 = 20

  275√s = 22000 -s . . . . . multiply by 1100 and subtract s

  75625s = s^2 -44000s +484,000,000 . . . square both sides

  s^2 -119,625s +484,000,000 = 0 . . . . put in standard form

  s ≈ (1/2)(119,625 ±√12,374,140,625) = {4192.943, 115432.057}

Only the smaller of these two solutions makes any sense in this problem.

The hole is about 4192.9 feet deep.

_____

<em>Additional comment</em>

The distance equation for the falling object presumes a vacuum. The sound transmission presumes the presence of air, so the question setup is self-contradictory.

7 0
3 years ago
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