Check my work 3(x+1)-8=14-2(3x-4)
1 answer:
The value of x is 3
Step-by-step explanation:
<u>Equation:</u>
3(x+1)-8=14-2(3x-4)
<u>1. Open the brackets</u>
3(x+1)-8=14-2(3x-4)
3x + 3 - 8 = 14 - 6x + 8
<u>2. Bring all x variables on the left side</u>
3x + 6x = 14 + 8 + 8 - 3
<u>3. Solve</u>
9x = 27
x =
x = 3
Therefore, the answer of x is 3.
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Answer:
a) Mean=0 and Standard deviation=1
b) The z-scores have no units of measurement
Step-by-step explanation:
When we convert all the pulse rates of women to z-scores using the formula;
the mean is 0 and the standard deviation is 1.
The reason is that, the resulting distribution of z-scores forms a normal distribution which has a mean of 0 and a standard deviation of 1.
b) The z-scores are standardize scores and has no units of measurement. They give us how many standard deviations below or above the mean of the corresponding values.