jsph32
09.12.2019 •
Mathematics
Pairs of markings a set distance apart are made on highways so that police can detect drivers exceeding the speed limit. over a dice distance the speed r varies inversely with time t. in one particular pair of markings, r is 52 mph when t is 9 seconds. find the speed of a car that travels the given distance in 6 seconds.
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Ответ:
Breadth = 3 cm
Step-by-step explanation:
Given:
Area of rectangle = 15 cm²
Breadth = a
Length = 5 cm
Find:
Breadth
Computation:
Area of rectangle = l x b
15 = 5 x a
Breadth = 3 cm