3 years ago

If the life of a brake lining costing $3.20 is 40,000 miles what is its cost per 1,000 miles

1 answer:

6 0

Answer:

.08

Step-by-step explanation:

COMMENT IF YOU NEED WORK

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skad [1K]

Answer:

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insens350 [35]

Answer:

A:∑j=15(2j−5)

Step-by-step explanation:

a = -3

d = -1 - (-3) = -1 + 3 = 2

j-th term: a + (j-1)d

-3 + (j - 1)(2)

-3 + 2j - 2

2j - 5

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Anastaziya [24]

Rise over run change in y/change in x

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nevsk [136]

Actually you have 2 coefficients here: 3/8 and 3/4.

(3/8)d + (3/4) is the same as (3/8)d + (2)(3/8), so this can be factored into

(3/8) [ d + 2 ]

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3 years ago