7x-5=2x SOLVE THE PROBLEM
2 answers:
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We can rewrite the asked question like this:
wherein X_1 and X_2 are random variable with the same given normal distribution. Then mean of
is zero and the variance
can be computed like this:
So, the random variable
follows a normal distribution
with means 0 and standard deviation 9.6.
The median of the law N(0,9.6) is 0.
So the expected difference of the score is 0.
wherein X_1 and X_2 are random variable with the same given normal distribution. Then mean of
can be computed like this:
So, the random variable
with means 0 and standard deviation 9.6.
The median of the law N(0,9.6) is 0.
So the expected difference of the score is 0.
Answer:
The answer to your question is below
Step-by-step explanation:
2x² - 8x = - 7
Divide by 2
Complete the trinomial
Simplify
Factor
(x - 2)² =
Get the square root
Simplification
x - 2 =±
x₁ = 2 +
x₂ = 2 -