-3x from both sides so it looks like 2x=20 and divide by 2 and x=10
Answer: 3 step by step approach
Step-by-step explanation:
Since the Chancellor has to use a multi-stage sample to carry out the survey, he or she should carry it out step by step.
First, he or she should randomly sample some solar systems from the galaxy, then secondly sample planets within that solar system, and finally randomly sample countries within the selected planets
Answer:
2 kilograms dough per hour
4 kilograms produced in x hours
cross multiply 2 and x and 4 by 1
4
2 = 2 hours
therefore Jennifer worked for 2 hrs.
Answer:
Eric rode 2 more miles per week than Kim rode.
Step-by-step explanation:
Find how many miles per week Kim rode by dividing the number of miles she rode by the number of weeks:
135/9
= 15
Find how many miles per week Eric rode:
102/6
= 17
So, Kim rode 15 miles per week and Eric rode 17 miles per week.
The answer is Eric rode 2 more miles per week than Kim rode.
Answer: C) a general rule most people follow
The english phrase "rule of thumb" referes to an approximate method for doing something, based on practical experience rather than theory. An example of a rule of thumb would be: changing the oil of a car every certain number of milles traveled. "<em>To start with, change the oil every 5000 or 6000 miles". </em>In the example you can notice that is not strictly accurate or reliable for every situation.
