What are the differences between scale and scale factor?

1 answer:

Ber [7]3 years ago

4 0

The sale is the relationship between the distances or lengths on the scale drawing or actual item. E.g a scale of 1 cm = 100 miles which means every cm on the map is equal to an actual distance of 100 miles. A scale factor may be used instead of a scale, one thing is that the scale factor has no units, instead a scale factor is a ratio example 1:40, which means the actual item is 10 times as large as the drawing.

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Someone please help out

exis [7]

Answer:

$39+0.15m \leqslant 50$

Step-by-step explanation:

From the question, Diana wants her total bill to be less than $50.

Diana pays a fixed monthly bill of

$39 for her mobile phone and an additional

$0.15 per minute for phone internet service.

The bill Diana pays for m minutes of using the internet is $0.15m in a month.

The total monthly bill becomes,

$39+0.15m$

The maximum bill she wants to pay is $50.

$\implies39+0.15m \leqslant 50$

This inequality can be solved to determine the number of available minutes.

4 0

3 years ago

Question in picture

lara [203]

You need to create a chart like the one attached and put your own values in it. The teacher wants atleast 3 inputs and outputs but 4 or 5 is better. You first need to create a rule (EX: x+1=y)