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sineoko [7]
3 years ago
5

A + (B + C) = (A + B) + C property

Mathematics
2 answers:
charle [14.2K]3 years ago
8 0

Answer:

a+b

Step-by-step explanation:

math

AnnZ [28]3 years ago
8 0
This is the Associative Property of Multiplication
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The legs of a right triangle measure 5√2 cm and 4√2 cm. Find the area.
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The area of right triangle=1/2*leg1*leg2=20 cm2
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Find the slope of the line that passes through (5, 7) and (8, 8). Simplify your answer and write it as a proper fraction, improp
Taya2010 [7]

Answer:

The Slope is calculated Using the formula

\frac{y2 - y1}{x1 - x2}

The line passed through (5, 7) and (8, 8):

The slope is

\frac{8 - 7}{8 - 5}

The slope equals

\frac{1}{3}

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Lara said that point D has a value of 38. is her statement reasonable? Explain your answer.
Ratling [72]
Point D is located between 35 and 40 so the possible answers are 36, 37, 38, and 39. 

Point D is closer to 40 than 35, so we narrow down the option to 38 or 39. 

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3 years ago
Which statement is true about the slope of the graphed line?
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It’s B ) THE SLOPE IS POSITIVE
6 0
4 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

5 0
3 years ago
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