1.924 and 5.77
step 1: find the mean by adding up all the numbers and divide the sum by the number of numbers.
step 2: find the difference between each number and the mean, square the difference
step 3: add up all the results of step 2, divide the sum by (n-1), n is the number of numbers.
step 4: square root the result of step 3.
it is a long process.
the surface area of that rectangular prism is 247.5.
Answer:
2x+3x=5x
Step-by-step explanation:
The reason for this answer is algebra. Since you give a full explanantion on it I'm not sure if I answered it correctly. But here is what I think from what you gave of the question.
Assuming "i" is an imaginary unit:
Answer:
208080
Step-by-step explanation: