In which circle do the shaded parts represent a fraction greater than four-sevenths? check all that apply. a circle divided into 7 parts. 5 parts are shaded. a circle divided into 7 parts. 1 part is shaded. a circle divided into 7 parts. 7 parts are shaded. a circle divided into 7 parts. 4 parts are shaded. a circle divided into 7 parts. 6 parts are shaded.

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

- "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."

step-by-step explanation:

the answer is d

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