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3 years ago

5y + ( -6/5y) plz help

Mathematics

1 answer:

babunello [35]3 years ago

4 0

Move the negative sign to the left:
5y - 6/5y

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Sarah will mix yellow paint and red paint in the ratio 2 parts yellow to 3 parts red to create a certain shade of orange paint.

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D. 59.50$

Step-by-step explanation:

Lets make an equation:

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2x+3x=10

x = 2

2 * 2 = 4( we need four quarts of yellow paint)

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Answer:

0.6 = 60% probability that he or she studies on a weeknight.

Step-by-step explanation:

We solve this question treating these events as Venn probabilities.

I am going to say that:

Probability A: Probability of a student studying on weeknights.

Probability B: Probability of a student studying on weekends.

Forty-two percent of students said they study on weeknights and weekends

This means that $P(A \cap B) = 0.42$

47% said they studied on weekends

This means that $P(B) = 0.47$

65% said they study either on weeknights or weekends.

This is $P(A \cup B) = 0.65$

If you were to pick one student at random, what is the probability that he or she studies on a weeknight?

This is P(A), and the equation used is:

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$

Considering the values we have:

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$0.05 + P(A) = 0.65$

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