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2 years ago

In ΔABC, BC = 13, CA = 20 and AB = 19. Which statement about the angles of ΔABC must be true?

Mathematics

1 answer:

I am Lyosha [343]2 years ago

4 0

Answer:

m∠B > m∠C > m∠A

Step-by-step explanation:

The angle opposite the largest side in a triangle is the largest, and the angle opposite the shortest side is the smallest.

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The probability of event A is 0. 48, the probability of event A and B is 0. 21, and the probability of events A or B is 0. 89. W

Mice21 [21]

Probabilities are used to determine the chances of an event

The probability of event B is 0.62

The probabilities are given as:

$\mathbf{P(A) = 0.48}$

$\mathbf{P(A\ and\ B) = 0.21}$

$\mathbf{P(A\ or\ B) = 0.89}$

To calculate the probability of event B, we make use of the following formula

$\mathbf{P(A\ and\ B) = P(A) + P(B) - P(A\ or\ B)}$

So, we have:

$\mathbf{0.21 = 0.48 + P(B) - 0.89}$

Collect like terms

$\mathbf{P(B)= -0.48 +0.21 + 0.89}$

$\mathbf{P(B)= 0.62}$

Hence, the probability of event B is 0.62

Read more about probabilities at:

brainly.com/question/11234923

7 0

3 years ago

The best player on a basketball team makes 75% of all free throws. The second-best player makes 65% of all free throws. The

Sliva [168]

Answer:

Dude I get ur struggle

Step-by-step explanation:

Alright I wont give the exact answers but here is what you do. You multiply the number of attemps by the percentage and you get the number of freethorws they would make.

5 0

3 years ago

What is the volume of the cone below?

bagirrra123 [75]

Answer:

B. 3408pi

Step-by-step explanation:

formula volume of cone = 1/3 x pi x r x r x h

volume = 1/3 x pi x 12 x 12 x 71

= 3408pi

3 0

3 years ago

A medical device company knows that the percentage of patients experiencing injection-site reactions with the current needle is

mina [271]

Answer:

0.4970

Step-by-step explanation:

I might be wrong

6 0

3 years ago

A point is a ______.

Ksju [112]

A point is a geometry figure named with lowercase letters (I'm pretty sure)

6 0

3 years ago