The relative frequency of the class interval 65-75 is .20.
<h2>What is relative frequency?</h2>
The word 'relative' is used to indicate that an event is being considered in relation or in proportion to something else.
Frequency is a way to measure how often a particular event occurs. Relative frequency, on the other hand, is a way to measure how often a particular event occurs against total occurrences.
Given that: 50 participants scored between 65 and 75 on a test.
Hence,
The relative frequency of the class interval 65-75 = 75 - 65 = 20
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By hydraulic principles the pressures are equal.
Then pressure on piston 2 = pressure on piston = 10 Pa.
That is what permits to apply a low force on the surface of the piston with the smaller area and get a bigger force on sureface of the piston with the greater area.
Answer:
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Step-by-step explanation:
Answer:
7x
Step-by-step explanation:
f (x)=x+4=4x,g (x)=5x-2=3x
4x+3x=7x