Answer:
38
Step-by-step explanation:
5x-7=3x+ll
5x=3x+18
2x/2=18/2
x =9
5 x 9 -7 = 36
3 x 9 + 11=36
m D =36
• We are told that the average height : Mean () = 65
,
• Standard deviation : SD () = 2.2
• 95 % 0f women height range = +- 3
= 65 +-3( 2.2)
= {65 + 6.6 ; 65 -6.6}
= {71.6 ; 58.4}
• This means that 95 % 0f women height will range between ( 58.4 ) and (71.6 )
Answer:
115.08
Step-by-step explanation:
Answer:
The answer is A. 
.
Step-by-step explanation:
To find the difference of this problem, start by simplifying the denominator, which will look like 
. Next, multiply 
by 
to create a fraction with a common denominator in order to subtract from 
. The problem will now look like 
.
Then, simplify the terms in the problem by first multiplying and , which will look like 
. The next step is to combine the numerators over the common denominator, which will look like 
.
Next, simplify the numerator, and to simplify the numerator start by factoring 3 out of 
, which will look like 
. Then, subtract 14 from -7, which will look like . The final answer will be .
