Answer:
No, because the first equation equals -1.5x + 2.5 when simplified, but when the second equation is simplified it equals 1
Answer:
False
True
False
False
Step-by-step explanation:
1. We have to get the sum as follows :
=
=
=
=
So, this is false.
2. We have to get the sum as follows :
=
=
=
=
So, this is true.
3. We have to get the difference as follows :
=
=
=
=
So, this is false.
4. We have to get the difference as follows :
=
=
=
=
So, this is also false. (Answer)
10 times 'x' is 10 times whatever the value of 'x' is. I hope that makes sense.
Answer:
99.1 is the 90th percentile of these scores.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 85
Standard Deviation, σ = 11
We are given that the distribution of score is a bell shaped distribution that is a normal distribution.
Formula:
We have to find the value of x such that the probability is 0.90
Calculation the value from standard normal z table, we have,
Putting values, we get,
Thus, 99.1 is the 90th percentile of these scores.