Answer:
4hrs to 9hrs
Step-by-step explanation:
The ratio of 20 hours to 45 hours is
4hrs to 9hrs
Answer:
a) 7 numbers in term of n = n+1, n+2, n+3, n+4, n+5, n+6 and n+7
b) n+1+n+2+n+3+n+4+n+5+n+6+ n+7
= 7n+28
Step-by-step explanation:
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To see what are the factors use, we write each of the numbers, as product of prime factors:

As we can see, the 4 factors used to produce the numbers in the list are {2, 3, 5, 7}
Answer: {2, 3, 5, 7}
Answer:
7.8(tan 67)
Step-by-step explanation:
7.8(tan 67)
= 18.4 (2 decimal place)