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natali 33 [55]
3 years ago
5

Last one pls help for brainlist

Mathematics
2 answers:
Sladkaya [172]3 years ago
6 0

Answer:

1/10

Step-by-step explanation:

first you find the common denominator.

multiply 1/2 by 5 and 2/5 by 2

now you have 5/10-4/10

now its easy and the answer is 1/10

Sloan [31]3 years ago
5 0

Step-by-step explanation:

answer is 5/10-4/10= 1/10 sorry if im wrong

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The monthly charge for a waste collection service is 1830 dollars for 100 kg of waste and 2460 dollars for 135 kg of waste. (a)
Ulleksa [173]

Answer:

C=18w+30

Step-by-step explanation:

We are given that The monthly charge for a waste collection service is 1830 dollars for 100 kg of waste

So, (x_1,y_1)=(100,1830)

We are also given that The monthly charge for a waste collection service is 2460 dollars for 135 kg of waste.

So, (x_2,y_2)=(135,2460)

We are supposed to find a linear model for the cost, C, of waste collection as a function of the number of kilograms, w.

So, we will use two point slope form :

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y-1830=\frac{2460-1830}{135-100}(x-100)

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y-1830=18x-1800

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x denotes the weight

So, Replace y with C and x with w

C=18w+30

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2 years ago
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Answer:

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Step-by-step explanation:

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solniwko [45]

Step-by-step explanation:

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3n/3= -10/3

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