Solve the compound inequality. Then graph the solution set. s-2 <-10 or-3s < 6
1 answer:
Answer:
{s | s < -8 or s >= -2}
Step-by-step explanation:
In order to solve an inequality we simply have to isolate the variable by applying the opposite operations on each side.
s - 2 < -10 ... add 2 to both sides
s < -8
-3s <= 6 ... divide both sides by -3, since we are dividing a negative number you must flip the sign
x >= -2
Therefore the final answer would be {s | s < -8 or s >= -2} which is the 3rd graphed multiple choice answer as seen attached to this answer.
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Answer:
Step-by-step explanation:
The discriminant of a quadratic is the expression inside the radical of the quadratic formula.
Substitute in the values of a, b, and c.
Answer:
Each inhalation has 750 micrograms of metaproterenol sulfate.
Step-by-step explanation:
First step: How many miligrams are there in each inhalation.This can be solved by a rule of three problem.
In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.
When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too.
When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease.
In this step, our measures are:
- The number of inhalations.
- The quantity inhaled.
As the number of inhalations increases, so does the quantity inhaled. This means that this is a direct rule of problem.
300 inhalations contains 225mg of metaproterenol sulfate. How many miligrams are in a inhalation?
300 inhalations - 225mg
1 inhalation - xmg
300x = 225
x = 0.75mg
Each inhalation has 0.75mg of metaproterenol sulfate.
Final step: Conversion of 0.75mg to micrograms.
Each mg has 1000 micrograms. So:
1mg - 1000 micrograms
0.75mg - x micrograms
x = 1000*0.75
x = 750 micrograms
Each inhalation has 750 micrograms of metaproterenol sulfate.