Answer:
A standard devation of 15 means 68% of the norm group has scored between 85 (100 – 15) and 115 (100 + 15). In other words, 68% of the norm group has a score within one standard deviation of the average (100). Also, 95% of the norm group has an IQ score within two standard deviations of the average
Step-by-step explanation:
be my friend
First, u find conman denominator which is 15 so 2/5=6/15 & 1/3=5/15, which adds up to 11/15, so the remaining fraction that kendrs has to wash is 4/15
Answer:
d-7=3
Step-by-step explanation:
2/6 divided by 4/12
First, make 2/6 have a denominator of 12 to complement the fraction 4/12
2/6=4/12
4/12 divided by 4/12 is 1
So, 1 would be your answer.
Hope I helped!
Answer:
The total number of pencils for Larry, Ben and Dejuan is expressed as:
5B - 4
Step-by-step explanation:
Let B represent the number of pens Ben has.
》Ben = B
》Larry = 3 × B = 3B
》Dejuan = B - 4
∴ Total number of pencils for the three of them
= B + 3B + (B - 4)
= 5B - 4