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Morgarella [4.7K]
3 years ago
6

HELPPPP looks at the image and EXPLAIN

Mathematics
2 answers:
Alinara [238K]3 years ago
8 0

Answer:

The answer is D

Step-by-step explanation:

160 is 4 times more the 40 so 57 time 4 is 228

denis-greek [22]3 years ago
3 0

Answer: 228

Step-by-step explanation:

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Evaluate u + xy, for u = 20, x = 9, and y = 8
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This is how you work it out:
u + xy
Plug in your numbers that you know:
20 + 9 * 8
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3 years ago
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 :

Formula : y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

Substitute the values

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

y-1830=18(x-100)

y-1830=18x-1800

y=18x-1800+1830

y=18x+30

y denotes the cost

x denotes the weight

So, Replace y with C and x with w

C=18w+30

So, a linear model for the cost, C, of waste collection as a function of the number of kilograms, w is C=18w+30

7 0
3 years ago
a rectangle has a length of 9.00 inches with a width of 4.25 inches what is the area in square inches round to the correct signi
Helen [10]
Area = l x w
Area =9 x 4.25
A = 48.25
A≈ 48 in²
7 0
4 years ago
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