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slega [8]
3 years ago
12

Find the constant of proportionality and unit rate for the data in the table. Then write the equation to represent the relations

hip between time t and distance d
Time Distance
2 hrs 90 miles
3 hrs 135 miles
5 hrs 225 miles
6 hrs 270 miles
I dont understand how to do this kind of math.Please help
Mathematics
1 answer:
Pavlova-9 [17]3 years ago
5 0
You should set up an X and Y table. Make time X and Distance Y. (the table is like a cross: on the left top put x and left top put y. Then under the line list the x and y numbers given in order.) Then find the "slope" which is y/x  (rise over run) then you get the increase rate of 45 mph. The relation between them would be D=45t 
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Grace and her brother need $400 to go to band camp. Their parents have agreed to help them earn money by paying them $25 each ti
soldi70 [24.7K]

Answer:

25m + 10b = 400

Step-by-step explanation:

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7 0
3 years ago
Time sensitive question. Find the sum of the first 26 terms of an arithmetic series whose first term is 7 and 26th term is 93.
lisabon 2012 [21]

ANSWER

S_{26}=1300

EXPLANATION

The sum of an arithmetic sequence whose first term and last terms are known is calculated using

S_{n}= \frac{n}{2} (a + l)

From the given information, the first term of the series is

a = 7

and the last term of the series is

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The sum of the first 26 terms is

S_{26}= \frac{26}{2} (7 + 93)

S_{26}= 13 (100)

S_{26}=1300

7 0
3 years ago
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