[1/2]^-1 +[1/3]^-1 +[1/4]^-1 is equal to
2 answers:
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Answer:
Step-by-step explanation:
3y > 2x + 12
This inequality will be represented by the a dotted line and solution area for the inequality will be shaded area (In red) above the dotted line.
2x + y ≤ -5
y ≤ -2x - 5
This inequality will be represented by a solid line and solution area will be the shaded area (in blue) below the solid line.
Therefore, common area of both will be the solution area for the system of inequalities.
Answer:
Standard deviation = 4
Step-by-step explanation:
Given the following data;
Mean = 25
Variance = 16
To find the standard deviation;
Mathematically, standard deviation is given by the formula;
Substituting into the formula, we have;
Standard deviation = 4