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rjkz [21]
3 years ago
7

Charles ran 3 miles in 15 minutes. At that rate, how long would it take him to run 8 miles?

Mathematics
2 answers:
katrin [286]3 years ago
8 0
Well first you need to find the unit rate. Divide 15 by 3.....get 5 minutes for 1 mile. Then you would multiply 5 by 8 which is 40 so 40 minutes (B) is your answer :)
Harman [31]3 years ago
5 0
B is the answer 40 minutes
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A line has a slope of -3 and a y-intercept of 3.
vladimir1956 [14]

Answer:

y = -3x + 3

Step-by-step explanation:

If   ...   A line has a slope of -3 and a y-intercept of 3, then the equation of that line is y = mx + b  =>  y = -3x + 3.  You don't need the table of values.

3 0
3 years ago
Decimals between 10 and 15 with an interval of .75 between each pair of decimals
d1i1m1o1n [39]
This is a sum that needs understanding the starting and the ending number first. then you should understand that between the starting and the ending number there has to be pairs of numbers with a difference of 0.75.
The numbers are:
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hey! i found te answer on here:

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8 0
3 years ago
Two friends Ana and Juan are buying books by joining the History Book
Travka [436]

Answer:

Ana  spent $17  per book on average.

Juan  spent $14.78  per book on average.

y = $15 + 17x--------- equation 1

y= $10 + 14.78 x------------- equation 2

Step-by-step explanation:

Ana has to pay a yearly fee of $15 to join.

She spends a total of $525 for 30 books.

The amount spent on books = Total amount - yearly fee

                                                 = $525- $15= $510

Price per book on the average = $510/30= $ 17

Ana  spent $17  per book on average.

Juan has to pay a yearly fee of $10 to join.

He spends a total of $350 for 23 books.

The amount spent on books = Total amount - yearly fee

                                                 = $350- $10= $340

Price per book on the average = $340/23= $ 14.78≅ $15

Juan  spent $14.78  per book on average.

The function can be established if y gives the total cost and x gives the number of books

y = $15 + 17x--------- equation 1

y= $10 + 14.78 x------------- equation 2

Juan has a better deal because the yearly fee is less also the price per book is less.

8 0
3 years ago
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inessss [21]
1,6,11,16,21,26 is what you would get if you add 5.
4 0
3 years ago
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