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defon
3 years ago
7

Find the slope of the line through each pair of points (1/2,0) and (0,4/7)

Mathematics
1 answer:
Naddika [18.5K]3 years ago
8 0

The line crosses (1/2,0) and (0,4/7)

Let m be the slope of this line

● m = [0-(4/7)]/[(1/2)-0)]

● m = (-4/7)/(1/2)

● m = (-4×2)/7

● m = -8/7

So the slope of this line is -8/7

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The minimum payment on a credit card is based on the total amount owed. A credit card company uses the following rules: For a bill less than $20 the entire amount is due, for a bill of at least $20 but less than $500, the minimum due is $20. For a bill of at least $500 but less than $1000 the minimum due is $40 and for a bill of at least $1000 but less than $1500 the minimum due is $80 dollars. For a bill of $1500 or more the minimum due is 1/10th of the bill.

a. Write a function to describe the minimum payment due.  

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For x < 20, B = x

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a)

B(x)=\left \{ {{x\ \ \ x

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Therefore if the bill is $1700 (x = 1700), the minimum payment due would be $170 (1/10 * 1700)

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