WILL GIVE BRAINLIESTI NEED TO FIND X AND Y
1 answer:
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The solution is x=1 and y=-2
Further explanation:
Given equations are:
Multiplying equation no. 1 with 2 will give us:
Eqn 3
From equation no 2:
Putting the value of y in eqn 3
The solution is x=1 and y=-2
Keywords: Linear equations, Solution set
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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.
Answer:
3rd option
Step-by-step explanation:
- 1 ( )
- 1 is multiplying the complere fraction , not just 1 part of it , so
= -
Answer:
He needs 8 health packs
Step-by-step explanation:
3x + 5 29
3x 24
x 8