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Norma-Jean [14]
2 years ago
8

A car travels at an average speed of 56 miles per hour. How many miles does it travel in 4 hours and 15 minutes?

Mathematics
2 answers:
ivolga24 [154]2 years ago
8 0
56*(4+15/60)

56*(240+15)/60

56*(255)/60

238 miles


steposvetlana [31]2 years ago
7 0
Well you need to first convert 4hrs and 15 minutes to either a decimal hours or minutes, I would do minutes so 255 minutes. Then you set up a proportion of 56miles xmiles
----------- = --------------- Then solve 60x=(56*255)
60 minutes 255 minutes 60x=14280
----- ---------
60 60
x= 238
so the answer is 238miles
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Dmitry [639]

Using the monthly payment formula, it is found that her down payment should be of $1,419.

<h3>What is the monthly payment formula?</h3>

It is given by:

A = P\frac{\frac{r}{12}\left(1 + \frac{r}{12}\right)^n}{\left(1 + \frac{r}{12}\right)^n - 1}

In which:

  • P is the initial amount.
  • r is the interest rate.
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For this problem, the parameters are:

A = 250, r = 0.072, n = 72.

Hence:

r/12 = 0.072/12 = 0.006.

We solve for P to find the total amount of the monthly payments, hence:

A = P\frac{\frac{r}{12}\left(1 + \frac{r}{12}\right)^n}{\left(1 + \frac{r}{12}\right)^n - 1}

P\frac{0.006(1.006)^{72}}{(1.006)^{72}-1} = 250

0.0171452057P = 250

P = 250/0.0171452057

P = $14,581.

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16000 - 14581 = $1,419.

More can be learned about the monthly payment formula at brainly.com/question/26476748

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4 0
2 years ago
What percent of 12 is 48<br> A. 0.25%<br> B. 4% <br> C. 25%<br> D. 40% <br> E. 400%
Step2247 [10]

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5 0
3 years ago
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labwork [276]
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7.2> (0.9*n) + (0.9*8.6)
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subtract 7.74 from both sides
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divide both sides by 0.9
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ANSWER: -0.6> n

Hope this helps! :)
6 0
3 years ago
3+2⋅[(2+1)⋅5+8] need the answer please
s2008m [1.1K]

Hey!

----------------------------------------------

Solution:

Remember to follow PEMDAS!

= 3 + 2 ⋅ [(2 + 1) ⋅ 5 + 8]

= 3 + 2 ⋅ [(3) ⋅ 5 + 8]

= 3 + 2 ⋅ [(15) + 8]

= 3 + 2 ⋅ [23]

= 3 + 46

= 49

----------------------------------------------

Answer:

49

----------------------------------------------

Hope This Helped! Good Luck!

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