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3 years ago

A circular plate has a diameter of 16 inches. What is the area

Mathematics

1 answer:

krek1111 [17]3 years ago

4 0

<em>Answer:</em>

<h3>The answer is 201 in²</h3>

<em>Explanation:</em>

Use the formula <u>Area = pi * r²</u>

<em>(Radius is half the diameter.)</em>

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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

of the 9 students surveyed, 4 said they prefer exercising in the morning.express the fraction as a decimal. use bar notation if

almond37 [142]

4 of 9

so 4/9 = 0.44444444444444444444444444444repeating

(sorry, not sure how to get bar notation for that)

3 0

3 years ago

I need help finding CR, AB, and CAB

aleksandrvk [35]

Answer:CR= 53

AB = 118

CAB = 236

Step-by-step explanation: a whole is circle is equal to 360 degrees and when you see the two parts which dint have an angle, they look the same size. So I pluses 53 and 71 than subtracted from 360. Which then I divided it by two then you get the angle for A to B.

Hope this helped and hope this is the correct answer.

4 0

3 years ago

What is an equation of the line that passes through the points (4,3) and (-6,3)?

Shalnov [3]

Answer:

y = 0x +3 or just y = 3

Step-by-step explanation:

m= 3-3/-6-4

= 0/-10 = 0

3= 0(4) +b

3=b

7 0

3 years ago

Do you believe that the US should convert to the metric system explain why or why notâ

Anna71 [15]

Answer:

Step-by-step explanation:

4 0

3 years ago