Answer:
-3, if we assume that we only want positive square roots.
Step-by-step explanation:
Take the (positive) square root of both 64 and 121 to get 8 and 11. 8-11= - 3.
Hope this helps :)
Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
In addition of polynomials, you only have to add the like terms.
Remember the multiplication of signs:
Then, given the polynomial and the polynomial , you can find the sum of them by adding the like terms.
Observe the procedure below:
Therefore, the sum is:
Answer:
122.5
Step-by-step explanation:
Let the student normal score be 100
In the beginning score increased by 40%
Hence score at the beginning =100+40 = 140%
Now before end score decreased by 25%
Decrease = 25% of 140 = 35
Hence score at the end of month = 140-35 = 105
Average score for the month
= Total of scores of end and beginning month /2
=
Answer:
idk
Step-by-step explanation: