Answer:
x + 2y = -8
Step-by-step explanation:
In the standard form you want the x and the y on one side of the equation. So, lets add 1/2x to both sides. We then get 1/2x + y = -4. However, we want the x coefficient to be an integer. So, lets multiply the entire equation by 2, and we get x + 2y = -8, and that is our answer.
The common demoninator of 10 can be 6. 11 is 12 and 12 is just five.
Answer:
The answer is 10:4
Step-by-step explanation: 2 1/2 is equal to 2.5 and 2.5 times 4 is 10 and 1 times 4 is 4
The problem would equal 8
Answer:
used to tell how measurements for a group are spread out from the average (mean or expected value). ... Standard deviation is also useful in money, where the standard deviation on interest earned shows how different one person's interest earned might be from the average.