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Monica [59]
3 years ago
15

Write an equation in slope-intercept form that is perpendicular to y = -7x + 3 and passing through (14.1).

Mathematics
1 answer:
igomit [66]3 years ago
7 0

Answer:

y = 1/7x -1

Step-by-step explanation:

1) Find the slope.

- In this case, the equation given is in simplest form so you can easily come to the conclusion that '-7' is the slope. But, since the math question wants a slope-intercept form in perpendicular form, the slope would actually be 1/7.

2) Use the point-slope form and substitute the values available. Then solve.

m (slope) = 1/7

(a, b) = (14, 1)

y - b = m(x - a)

y - 1 = 1/7(x - 14)

y - 1 = 1/7x - 2

y = 1/7x - 1

The result is your answer.

Hope this helped (please tell me if I made a mistake or if you have any confusion and I will resolve it under the comments) ^^

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Answer:

8 quarters

12 nickels

12 pennies

16 dimes

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The trick is to ASSUME the dimes.

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1) Quarters = 1/6 of total coins

2) Nickels = 1.5 the number of quarters

3) Pennies = 1/4 of total coins

Also, ASSUME an unknown number of dimes to fill in the gap.

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Take the known total and minus this sum.

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8 quarters (⅙ of total coins)   $2.00

12 nickels (1.5 the number of quarters) $0.60

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+ 16 dimes     $1.60

Total Coins 48      $4.32

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