The diagram shows the length and width of a cellphone, and the length of a larger version of
the same brand phone of cellphone. The lengths
and widths of the two cellphones are
proportional. What is the width, in inches, of the
larger version of the cellphone?

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step-by-step explanation:

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- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."

i don't see any

step-by-step explanation:

need more info

step-by-step explanation:

what do you mean by "representation"? graph? table? etc.