Answer:
7.1
Step-by-step explanation:
- Find mean
- For each number you subtract the mean and square the result.
- Work out the mean of those squared differences and find square root of that.
- Hope that helped! Let me know if you need further explanation.
The answer for blank #2 is 26
Answer:
the number is 3
Step-by-step explanation:
Perhaps you'd like to find the number.
If n represents the number, we can write the relationship as ...
3n -1 = n +5
Adding 1-n to both sides gives ...
2n = 6
n = 3 . . . . divide by 2
The number is 3.
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<em>Check</em>
The product of the number and 3 is 9. One less is 8. That is 5 more than the number itself: 8 = 3 + 5.
1/4 is 5oz, so you have 15 oz left
<span>Subtract 3 oz and you have 12/20 oz left </span>
<span>Divide numerator and denominator by gcf WHICH IS 4 </span>
<span>and you'll see that 3/5 is left over.</span>
