The mean is 35/5=7
v=((7-7)^2+(5-7)^2+(11-7)^2+(1-7)^2+(11-7)^2)/5
v=(0+4+16+36+16)/5
v=14.4
The answer is 17/18.
You need to make the denominator the same on all the fractions.
Hope this helps.
Answer:
B .-12 and -12
Step-by-step explanation:
it is because when we multiply two -digit the answer is in +
so like in the same -12 * -12=144
And when we add the digit we get -24
Hence, it is proved
Answer: C
Step-by-step explanation: thats just what i think the answer is
