3 years ago

Simplify (write without the absolute value sign): |x÷3|, if x < 0

Mathematics

2 answers:

polet [3.4K]3 years ago

7 0

Answer:

Step-by-step explanation:

zero divided by anything that is integral is zero and 3 in a integer

PolarNik [594]3 years ago

6 0

Answer:

Step-by-step explanation:

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A college student is taking two courses. The probability she passes the first course is 0.67. The probability she passes the sec

andrezito [222]

Answer:

0.58 = 58% probability she passes both courses

Step-by-step explanation:

We can solve this question treating the probabilities as a Venn set.

I am going to say that:

Event A: She passes the first course.

Event B: She passes the second course.

The probability she passes the first course is 0.67.

This means that $P(A) = 0.67$

The probability she passes the second course is 0.7.

This means that $P(B) = 0.7$

The probability she passes at least one of the courses is 0.79.

This means that $P(A \cup B) = 0.79$

a. What is the probability she passes both courses

This is $P(A \cap B)$ .

We use the following relation:

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

$P(A \cap B) = P(A) + P(B) - P(A \cup B) = 0.67 + 0.7 - 0.79 = 0.58$

0.58 = 58% probability she passes both courses

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3 years ago

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Elena-2011 [213]

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3 years ago

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IrinaVladis [17]

Answer:

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Step-by-step explanation:

The value of a in ax^2 - 40x + 109 = 0 when one solution to the quad equation is x = 5 + 3 over 2i is 4.

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2 years ago

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