Mathematics, 15.02.2020 22:11 sunshine0613
The picture shows the footprints of a man walking. The pace length P is the distance between the rear of two consecutive footprints.
For men, the formula, n P =140, gives an approximate relationship between n and P where,
n = number of steps per minute, and
P = pace length in metres.
b
Bernard knows his pace length is 0.80 meters. The formula applies to Bernard’s walking. Calculate Bernard’s walking speed in meters per minute and in kilometers per hour. Show your working out.
Answers: 3
Mathematics, 21.06.2019 23:00
In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.
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The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase
Answers: 1
The picture shows the footprints of a man walking. The pace length P is the distance between the rea...
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