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Ganezh [65]
3 years ago
12

9. Kyle ran 150 feet in 15 seconds, how many hours would it take him to run 30 miles?

Mathematics
2 answers:
PtichkaEL [24]3 years ago
8 0
She runs 30 miles in 3 seconds
Elena-2011 [213]3 years ago
5 0

Answer: 4.2 hours

Step-by-step explanation:

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lubasha [3.4K]
<span>Answer: K = (1/2) mv² + (1/2) Iω², where m is the ball mass, I is the ball's moment of inertia (2/5)mr², and ω is the angular velocity of the ball. Because the ball rolls without slipping, it is easy to see that v=ωr, or r=v/ω. Then, K = (1/2)mv² + (1/2)(2/5)mr²ω² = (1/2)mv² + (1/5)mv² = (7/10)mv² Setting potential at the top equal to kinetic at the bottom, mgh=(7/10)mv² v=âš{(10/7)(gh)} = [(10/7)(9.8)(0.51)]^(1/2) = 2.672m/s</span>
5 0
3 years ago
Brian invests £600 into his bank account.
Savatey [412]

Answer:

It will be £2520

Step-by-step explanation:

  1. 3.2=
  2. \frac{16}{5}
  3. \frac{16}{5}  \times 100 = 320
  4. 320
  5. 320 \times 6 = 1920
  6. 1920 + 600 = 2520
7 0
3 years ago
Please tell me the correct answer and I will mark you brainliest
RoseWind [281]
All of the answers you put are correct. good job!
8 0
2 years ago
Write the exponential function that passes through the points (3, 10) and (5, 40)
tigry1 [53]

Answer:

  y = (5/4)2^x

Step-by-step explanation:

The function value increases by a factor of 40/10 = 4 when x increases by 2. The function can be written as ...

  y = (reference value)·(growth factor)^((x -reference)/(change in x for growth factor))

  y = 10·4^((x-3)/2) . . . . . . using point (3, 10) as a reference

This can be simplified to ...

  y = 10·2^(x -3) = 10/8·2^x

  y = (5/4)2^x

6 0
3 years ago
What are the measures of angle b e c and angle a b e in the figure shown? (30 points.)
koban [17]
Angle bec= 20 and angle abe =160
8 0
2 years ago
Read 2 more answers
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