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ss7ja [257]
3 years ago
15

Convert 4 hours to minutes. There are 60 minutes in 1 hour.

Mathematics
1 answer:
FromTheMoon [43]3 years ago
8 0

Answer:

240 minutes

Step-by-step explanation:

60 minutes = 1 hour

4 hours = 60*4 = 240 minutes

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Hello! Please answer this question with all of the info it is asked for. Please be sure to include all of your work and share an
bija089 [108]

Answer:

  • a) 6.5 seconds
  • b) 13 seconds
  • c) 679 ft

Step-by-step explanation:

<u>Given function:</u>

  • h(t) = -16t^2 + 208t + 3

a) <u>Maximum height is the vertex.</u> The ball reaches the maximum after:

  • h = -208/2(-16) = 6.5 seconds

b) <u>Time the ball was in the air:</u>

  • -16t^2 + 208t + 3 = 0

Solving we get approximately t = 13 seconds

c) <u>Maximum height is at vertex, we found t above:</u>

  • h(6.5) = -16(6.5)^2 + 208*6.5 + 3 = 679 ft
3 0
2 years ago
EVALUATE when<br> x = -3 and a = -5<br> -4x - 3a
OLga [1]

Answer:

27

Step-by-step explanation:

substitute x = - 3, a = - 5 into the expression

- 4x - 3a

= - 4(- 3) - 3(- 5)

= 12 + 15

= 27

3 0
3 years ago
Read 2 more answers
Maria and her friend ride their bikes. They start at 12:47 and end at 2:29. How long did they ride their bikes for?
IRINA_888 [86]

Answer:

Their bide ride was 1 hour and 42 minutes

4 0
3 years ago
Determine whether the two lines are parallel, perpendicular, coinciding, or only intersecting
Aleksandr-060686 [28]
It's the third choice: only intersecting
8 0
3 years ago
What is the difference between the exact simple interest and the ordinary simple interest on a 200-day loan of 5,000 at 12%
77julia77 [94]

Answer:

  4.56

Step-by-step explanation:

"Ordinary" interest will be more than "exact" interest because the number of days in a year is a smaller value. The difference will be ...

  Io = Prt = 5000(0.12)(200/360) = 333.33

  Ie = Prt = 5000(0.12)(200/365) = 328.77

The difference is ...

  333.33 -328.77 = 4.56 . . . the difference in interest values

_____

<em>Additional comment</em>

The question asks for the difference between exact and ordinary interest, so the result is technically negative:

  328.77 -333.33 = -4.56

6 0
3 years ago
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