Answer:
16km/h
Step-by-step explanation:
1h = 60m
165m = 44km
60m = × 44km
= 16km
A variable has a mean of and a standard deviation of . observations of this variable have a mean of and a sample standard deviat
1 answer:
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Hello,
Answer:
Step-by-step explanation:
we have the expression:
To factor this expression we need to indentify the components that are common in both terms.
At first glance there is nothing in common, but we can notice that 30 and 70 are multiples of 10, that is:
so we can substitute this into the expression:
and now that we have the common term (the number 10) we can factorize it, that is, take out the common term and include a parentheses: