A collector’s item is purchased for $150 and its value increases by 3% each year. Which graph can be used to determine approxima
tely how many years it will take for the value to double?
2 answers:
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Answer:
The correct option is four.
Step-by-step explanation:
The associative property implies that the values are added however we want, i.e. the numbers can be grouped in any way and the answer would still be the same.
The associative property of addition is:
The expression provided is:
(13 + 15 + 20) + (20 + 47 + 18)
The answer provided by four students are:
Jeremy : (20 + 13 + 15) + (20 + 47 + 18)
Layla : (20 + 47 + 18) + (13 + 15 + 20)
Keith : (13 + 20) + (20 + 47 + 18) + 15
Melinda : (13 + 15 + 20 + 20) + (47 + 18)
So, all the four students correctly applied only the associative property to rewrite the expression.
The correct option is four.
Answer:
0.3114
Option d is right
Step-by-step explanation:
Let X be the time spent on a treadmill in the health club
Given that research shows that on average, patrons spend an average of 42.5 minutes on the treadmill, with a standard deviation of 5.4 minutes
Also given that X is normal
the probability that randomly selected individual would spent between 30 and 40 minutes on the treadmill.
round off to two decimals tog et
the probability that randomly selected individual would spent between 30 and 40 minutes on the treadmill is 0.31
Hence option d is right