Adding another card with value $25 would decrease the standard deviation
because it is closer to the mean the the current standard deviation.
Consider number 17. You know that
17=9+8.
Then for negative numbers you have the same rule (with respect to sign -):
-17=(-9)+(-8).
Since (-9)+9=9+(-9)=9-9=0, you have that
-17+9=(-9)+(-8)+9=(-9+9)+(-8)=0+(-8)=-8.
Answer: -17=(-9)+(-8).
4. Normal body temperature is 98.6 degrees Fahrenheit, although it varies slightly for some people. Someone ?
That would be -20. a negative divided by a negative number is positive, positive divided by negative is negative bc even numbers of negatives make it positive. and ofc 20 x 5 = 100, hence the ‘20’
Answer:
82ibs - 40ibs = 22ibs
Step-by-step explanation:
