5+(-3) = 5-3
Adding $3 of debt (left side of the equation) is the same as taking $3 away from you.
Answer:
1. Noah should draw a line from the left end of the 4 cm line up till it hits the angled line.
2. Noah could flip the triangle
Step-by-step explanation:
First, we calculate for the variance by dividing the given sum of the squared deviations by the number of data.
variance = (316) / 9 = 316/9
Then, get the square root of the answer to calculate for the standard deviation.
sd = sqrt (316/9) = 5.93
Thus, the standard deviation is approximately 5.93.
-7 ≤ x + 5 < 12
You really only need one of them i.e. x + 5 < 12
0 ≤ x + 12 < 19
0 ≤ x < 7
I realllllyy hope that is right for my own sake. Please let me know if i'm wrong and if so how I can do it right