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Sergio [31]
3 years ago
11

How am I suppose to solve this?

Mathematics
1 answer:
nika2105 [10]3 years ago
6 0
Set it up as a proportion.  14.25 miles is to 90 minutes as x is to 120 minutes. 

We have to solve with like units of measure, so we have to change the hours to minutes before we can set up the proportion.

60 minutes= 1 hour
120 minutes = 2 hours

x= miles in 2 hours

14.25/90 = x/120
cross multiply
(14.25 * 120)= (90 * x)
1710=90x
divide both sides by 90
19= x

You could ride 19 miles in 120 minutes, so you could ride 19 miles in 2 hours.

Did you need help on #2 also?

Hope this helps!  :)
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Marilyn uses a credit card with a 19.9% APR compounded monthly to pay for car repairs totaling $991.38. She can pay $410 per mon
Leokris [45]
Marilyn's finance charge at the end of the first month will be
  $991.38 × 0.199/12 = $16.44
The balance subject to the next month's finance charge will be
  $991.38 +16.44 -410.00 = $597.82

The finance charge at the end of the second month will be
  $597.82 × 0.199/12 = $9.91
The balance remaining after the second payment will be
  $597.82 +9.91 -410.00 = $197.73

The finance charge applied at the end of the third month is
  $197.73 × .199/12 = $3.28
so Marilyn can make one final payment of
  $197.73 +3.28 = $201.01
to pay off the balance.

In all, Marilyn has paid 2×$410.00 +201.01 = 
  $1021.01 . . . . . . . . corresponds to the first choice

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In real life, Marilyn's credit card may not accrue any finance charge until after the first statement on which the charge appears. Thus the total cost of the purchase may be only $1004.02. The attached spreadsheet shows the beginning balance and the finance charges for each month for the two different scenarios.

8 0
3 years ago
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Scorpion4ik [409]
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5 0
3 years ago
Use the Venn diagram about students’ pets to solve. How many students do not have a cat or a dog?
Gennadij [26K]
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6 0
3 years ago
Help!! This doesn't make any sense to me. Can anyone help me solve for the value of x?
notsponge [240]
<em>Exterior angle of the triangle is equal to the sum of the opposite angles.</em>

9x = 5x + 9 + x

<em>Combine like terms:</em>
9x = 6x + 9

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3x = 9

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6 0
3 years ago
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mixer [17]

Answer:

Let

Total number of people (T)=1600

those satisfied with the car (t) =720

The percentage of the satisfied people(S)= number of satisfied people divided by the total number of people who took part in the survey, multiplied by 100

=> S=(T/t)*100

S=(720/1600)*100

S=45%

Step-by-step explanation:

6 0
2 years ago
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