<span>If scores on a dental anxiety scale range from 0 (no anxiety) to 20 (extreme anxiety), and the scores are normally distributed with a mean of 1111 and a standard deviation of 44, then the z-score for the given score on this dental anxiety scale:9 is .08.
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Answer:
4000×.06×2 which is 480
Step-by-step explanation:
You must times the money by the ir and then the year. Or money times the year then ir, it wouldn't really matter as long you times the three of them together
Step-by-step explanation:
I think you mean you want to find out 40% of a number,, when 60% of it is 180, so I'll answer that:
60% = 180
÷6
10% = 30
x4
40% = 120
(if you want to find 100%, multiply 30 by 10)
Hopefully this helps :)
Answer:
since the unknown amount can buy 100 pencils
he bought 70 pencils
therefore $4.50 can buy 30 pencils
so 1 pencils cost $4.50 /30=0.15
If they sold 89 calendars over 4 weeks, the 'equation' would look like (x = average calendars sold over 4 weeks):
If you solve it, you get:
Which is equal to
22.25. Hope this helps!
