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2 years ago

Simplify 3(8x+2y) A. 30x+y B. 24x+2y C. 24x+6y D. 30xy

Mathematics

1 answer:

Naddika [18.5K]2 years ago

4 0

Answer:

The choose C. 24x+6y

Step-by-step explanation:

$3(8x + 2y) = 24x + 6y$

I hope I helped you^_^

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Step-by-step explanation:

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3 years ago

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If the probability of a student taking a calculus class is 0.10, the probability of taking a statistics class is 0.90, and the p

Stells [14]

Answer:

93% probability of a student taking a calculus class or a statistics class

Step-by-step explanation:

We solve this problem building the Venn's diagram of these probabilities.

I am going to say that:

A is the probability that a student takes a calculus class.

B is the probability that a student takes a statistics class.

We have that:

$A = a + (A \cap B)$

In which a is the probability that a student takes calculus but not statistics and $A \cap B$ is the probability that a student takes both these classes.

By the same logic, we have that:

$B = b + (A \cap B)$

The probability of taking a calculus class and a statistics class is 0.07

This means that $A \cap B = 0.07$

The probability of taking a statistics class is 0.90

This means that $B = 0.9$ . So

$B = b + (A \cap B)$

$0.9 = b + 0.07$

$b = 0.83$

The probability of a student taking a calculus class is 0.10

This means that $A = 0.1$

$A = a + (A \cap B)$

$0.1 = a + 0.07$

$a = 0.03$

What is the probability of a student taking a calculus class or a statistics class

$A \cup B = a + b + A \cap B = 0.03 + 0.83 + 0.07 = 0.93$

93% probability of a student taking a calculus class or a statistics class

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3 years ago

Linda's account has a balance of −$45.50. If she owes the bank more than $30, her account gets closed. Which of the following is

AleksAgata [21]

Answer:

There's no options but it will get closed

Step-by-step explanation:

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2 years ago

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When Jean was asked to say what the 3 in the fraction 2

JulijaS [17]

Fractions are quotients of two integers

A better way to say what the 3 in 2/3 represents is that, 3 is the denominator

<h3>How to determine what 3 represents</h3>

The fraction is given as: 2/3

A fraction is represented as: Numerator/ Denominator

By comparison;

Numerator = 2
Denominator = 3

Hence, a better way to say what the 3 in 2/3 represents is that, 3 is the denominator