Answer:
30cm3
Step-by-step explanation:
Volume=Base area *height
Base area is a triangle=1/2 *base*height
1/2*3*4=6cm2
Height=5cm
Volume=6*5=30cm3
2: c
Step-by-step explanation:
3: a
by Supplementing each answer Into the equation
Answer:Convenience sampling
Step-by-step explanation:
This type of sample refers to convenience sampling or grab sampling or accidental sampling.
Convenience sampling is a non-probability type sampling that includes the population which is nearby or available in your zone.
This type of sampling is handy when you need to know about a particular data in less time .Although the result may be somewhat biased because of a certain type of population may exist close to you.This method is most useful for Pilot testing.
Well t would be 6/10 9/15 and u just add 3 to the numerator and 5 to the denominator