Answer:
1 to 25 students require (at least) 2 chaperones. ... 51 to 75 students require (at least) 6 chaperones.
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Step-by-step explanation:
Answer:
Function rule is .
The transformations are compression in the x direction by a factor of 3 and then vertically shifting up by 4 units.
Step-by-step explanation:
Given:
So, is a transformed function of .
There are two transformations involved:
1.
The value of the function is multiplied by 3. So, according to transformation rules, when the value of the function is multiplied by a positive number greater than 1, then the function compresses in the x direction.
As 3 is multiplied to , will be compressed in the x direction by a factor of 3.
2.
Now, 4 is added to the compressed function. As per transformation rules, when a positive number is added to a given function, the function has a vertical shift.
Here, the compressed function will shift vertically up by 4 units.
Answer:
<u>y-intercept</u><u> </u><u>is</u><u> </u><u>(</u><u>0</u><u>,</u><u> </u><u>-</u><u>2</u><u>1</u><u>)</u>
Step-by-step explanation:
For y-intercept, x = 0:
Answer:
A
Step-by-step explanation:
short cut, it has 5 dashes/ point markings
Answer:
Step-by-step explanation:
Given
--- coefficient of variation
Required
The mean and the median
The coefficient of variation is calculated using:
Where:
mean
So:
Express percentage as decimal
Make the subject
The coefficient of skewness is calculated using:
This gives:
Make the subject
Equate both expressions for
Cross multiply
Collect like terms
Divide both sides by -0.88
Hence:
Calculate
So:
Also, the coefficient of skewness is calculated using:
Multiply both sides by 30
Divide both sides by 3
Collect like terms