The distributive property shows that you need to multiply the separately by each term in the parentheses. This means you multiply
and
, then add them together to get
, or in the terms of your answer choices,
.
Uma empresa comprou 5 litros de álcool em gel para distribuir igualmente para seus 10 funcionários para que possam utilizar como
1 answer:
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Answer:
X=10
Step-by-step explanation:
explanation is in the image above
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Answer:
See explanation
Step-by-step explanation:
Let x be the number of hours per week Nando is brisk walking and y be the number of hours per week Nando is biking at a moderate pace.
For the first month, he needs to exercise at most five hours per week, then
Brisk walking burns about 350 calories per hour, then it burns 350x calories per x hours.
Biking at a moderate pace burns about 700 calories per hour, then it burns 700y calories per y hours.
Nando must burn at least 2,000 calories per week, so
You get the system of two inequalities:
The attached graph shows the solution set to this system of inequalities. In this diagram, red region represents the solution set to the first inequality, blue region represents the solution set to the second inequality and their intersection is the solution set to the system of two inequalities.
