MATHEMATICS COLLEGE

Given the set of numbers: {3, 8, 2, 2, 5} Find the mean. Enter your answer as a whole number with zero decimal places.

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

The mean is defined as adding all the numbers up and dividing by how many numbers there are, so:

3+8+2+2+5 = 20, 20/5 = 4

Answer 2

Answer:

Answer:

Step-by-step explanation:

mean is the average so you add up all the numbers and divide by the number of addicts.

3 + 8 + 2 + 2 + 5 = 20

20/ 5 = 4

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Multiply(9.4 x 10^6)(3.2 x 10^5)PLZZZZ

What is the square root of 45 rounded to the nearest hundredth

Answers

Answer:

your answer is fifteen

Please helpwill give brainlyest

Answers

Answer:

10/9

Step-by-step explanation:

1/3+7/9=10/9

Step-by-step explanation:

=1+7

3 9

= 9+21

=28

27ans

Two number cubes are rolled for two seperate events: Event A is the event that the sum of numbers on both cubes is less than 10. Event B is the event that the sum of numbers on both cubes is a multiple of 3. Complete the conditional-probability formula for event B givem thaf event A occurs first by writing A and B in the blanks:

Answers

Answer:

Probability of getting sum less than

10 = \frac{30}{36}= \frac{5}{6}

Probability of getting a multiple of 3= \frac{20}{36}= \frac{5}{9}

(A) P(B|A)= \frac{P(B∩A)}{P(A)} = \frac{15/36}{30/36}= \frac{15}{30}=0.5

(B)P(A|B)= \frac{P(A∩B)}{P(B)}= \frac{15/36}{5/9}=0.75

(D) {A} = {1, 2, 3, 4, 5 ,6, 7, 8, 9}

-Hope this helps-

A plane leaves the airport in galisteo and flies 170 km at 68 degrees east of north; then it changes direction to fly 230 km at 36 degrees south of east, after which it makes an immediate emergency landing in a pasture. When the airport sends out a rescue crew, in which direction and how far should this crew fly to go directly to this plane?

Answers

Answer:

4.68° south east 317.36 km

Step-by-step explanation:

We can find the angle between the two distances (vectors) because according to the diagram, we can draw two right triangles between them.

The complement of the 36 degree angle is 54 (90-36=54), and the complement of the 68 angle is 22, (90-68=22) the sum of 22 and 54 is 76. So the angle between the two distances is 76.

Then we apply the cosine law

$b^(2) =a^(2) +c^(2) -2*a*c*cosB\n \nb^(2) =230^(2) +170^(2) -2*230*170*cos(76)\n\nb=\sqrt{230^(2) +170^(2) -2*230*170*cos(76)} \n\nb=317.36 km$