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vredina [299]
3 years ago
6

A company produces items in small batches. The machinery needs to warm up before the items can be produced. The scatterplot show

s the time needed to produce batches of different numbers of items.
Line of best fit= y=8x+20

Based on the line of best fit, which of the following statements is true?
A. As the number of items in a batch increases by 1, the production time increases by 8 minutes.
B. It takes about 60 minutes for the equipment to warm up
C. It takes about 44 minutes for the equipment to warm up.
D. As the number of items in a batch increases by 1, the production time increases by 20 minutes.
Mathematics
2 answers:
Lerok [7]3 years ago
7 0

Answer:

The correct option is A.

Step-by-step explanation:

The equation of best fit is

y=8x+20

Where, y is time needed to produce batches of different numbers of items and x is number of items in a batch.

The slope intercept form of a line is

y=mx+b

Where, m is slope and b is y-intercept.

On comparing both equations we get m=8 and b=20.

It means initial time is 20 or it takes about 20 minutes for the equipment to warm up.

Since m=8, so the production time increases by 8 minutes as the number of items in a batch increases by 1.

Therefore, the correct option is A.

loris [4]3 years ago
6 0
Its <span>A.) As the number of items in a batch increases by 1, the production time increases by 8 minutes.
</span>
-apex :)
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