The highest common factor is 7:
49=7*7
84=7*12
91=7*13
Answer:
approximately 15 ice cones
Step-by-step explanation:
volume of cylinder is V=πr2h
volume of cone is V=πr2h
3
Answer:

Step-by-step explanation:
The surface area of the cone shaped roof is:


The cost of roofing per square feet is: (USD stands for US dollar)


Answer:
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
Given that a machine produces defective parts with three different probabilities depending on its state of repair.
condition Good order Wearing down Needs main Total
Prob 0.8 0.1 0.1 1
Defective 0.02 0.1 0.3
Joint prob 0.016 0.01 0.03 0.056
a) 0.016
b) total = 0.056
c) If not defective from needs maintenance
Prob for not defective = 
From machine that needs maintenance = 0.07
So reqd prob = 