Rational because it can be expressed as a fraction.
Answer:
A) -56
Step-by-step explanation:
B) First, you have to ignore the plus sign, and recognize that the second negative number means you are subtracting that number.
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2 plus 2 is 4 minus 1 thats 3 quick maths
Answer:
5
Step-by-step explanation:
u + v = < - 4, 7 > + < 11, - 6 > = < - 4 + 11, 7 - 6 > = < 7, 1 >
| u + v | =
=
= 5
The empirical rule for normal distributions states that approximately 68% of the data points lie within the range plus and minus one standard deviation of the mean.
The answer is 68%.