Answer:
Step-by-step explanation:
so what you do is look at the signs so # 3 you take -64 and sub that from -16 but because they are both - signs your going to add HOPE THAT HELPS!
Answer:
(Correct to 4 decimal places)
Step-by-step explanation:
The probability of a continuous normal variable X found in a particular interval [a, b] is the area under the curve bounded by x=a and x=b and is given by:

where




Using a calculator,
Answer:
YES
Step-by-step explanation:
The equation,
, would be an identity if the equation remains true regardless of the value of x we choose to plug in into the equation.
Let's find out if we would always get a true statement using different value of x.
✍️Substituting x = 1 into the equation:



(TRUE)
✍️Substituting x = 2 into the equation:



(TRUE)
✍️Substituting x = 3 into the equation:



(TRUE)
Therefore, we can conclude that the equation,
, is an identity.
Answer: 14450
Step-by-step explanation:
15% of 17000 is 2550. 17000-2550 is 14450