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lisabon 2012 [21]
2 years ago
15

Please help me!!!!!!!!!!

Mathematics
1 answer:
Alex2 years ago
5 0

The answer is C. 20.3 miles per hour.


In order to solve this, we have to first convert our time into hours. We start with 11 seconds, but need to convert to hours. Since there are 3600 seconds in an hour, we need to divide by that unit rate.


11 seconds/3600 = .00305 hours


Now we need to convert our meters into miles. The problem lets us know that there are 1609 meters in a mile, so we need to divide the 100 meters by 1609.


100 meters/1609 = .0621 miles.


Now to find miles per hour, we divide the miles we got by the hours.


.00305 miles/ .0621 miles = 20.3 miles per hour.

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Find the value of each variable in the parallelogram
wlad13 [49]

Answer:

B= 90

C= 80

D= 100

Step-by-step explanation:

So let’s start with the bottom angles.

We know that the adjacent angles in a parallelogram add up to 180° so our equation would be (b-10) + (b+10)=180. So let’s simplify it b and b are both the same variables so we will get 2b and -10 + 10 is 0 so we get the following equation 2b=180.

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Now for the next side.

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3 years ago
Julia and Rodney decided to invest 15% of their salaries.The table shows their principal balance,interest rate,and type of inter
Masja [62]
On the account with interest compounded annually, the account balance will be
  P*(1 +r)^t
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so the interest earned will be
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On the account with simple interest, the interest earned will be
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The total interest earned on the two accounts will be
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