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Rzqust [24]
2 years ago
9

The following list gives the number of pets for each of 9 students.

Mathematics
1 answer:
german2 years ago
7 0

Answer:

2,2,2

Step-by-step explanation:

mode in my study is termed as highest occurrence

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Tom rolls 2 fair dice and adds the results from each. Work out the probability of getting a total that is a factor of 21.
Ber [7]

The probability of getting a total that is a factor of 21 is 0.22

<u>Explanation:</u>

Factor of 21 is = 1, 3, 7, 21

Out of all the factors of 21, we cannot get 21 when the two die are rolled as the maximum sum that can be obtained is 12

The possible combinations are:

(1,2) (1,6)

(2,1) (2,5)

(3,4)

(4,3)

(5,2)

(6,1)

Total outcome = 6 X 6

                      = 36

Number of outcomes that is the factor of 21 is 8

The probability of getting a total that is a factor of 21 is \frac{8}{36}

p(21) = 0.22

Therefore, the probability of getting a total that is a factor of 21 is 0.22

5 0
3 years ago
What is sin -1 (1/2) if the terminal side of 0 is located in quadrant 1
Lady_Fox [76]

Answer:

sin^-1 (1/2) = 30°

Step-by-step explanation:

* Lets explain how to find the trigonometry functions from the unit circle

- The unit circle is the circle whose radius is 1 unit

- It intersects the four axes at:

# Positive part of x-axis at (1 , 0) and negative part at (-1 , 0)

# Positive part of y-axis at (0 , 1) and negative part at (0 , -1)

- The terminal of any angle intersect it at point (x , y) where x² + y² = 1

- If The angle between the terminal side and the x-axis is Ф , then

# The adjacent side of Ф = x

# The opposite side of the angle Ф = y

- In the problem the terminal side lies in the first quadrant

∴ all the trigonometry functions are positive

∵ sin Ф = opposite/hypotenuse

∵ The opposite = 1/2 and the hypotenuse is the terminal side = 1

∴ sin Ф = 1/2 ÷ 1 = 1/2

- To find Ф use the inverse function sin^-1 Ф

∵ sin Ф = 1/2

∴ Ф = sin^-1 (1/2)

∴ Ф = 30°

* sin^-1 (1/2) = 30°

6 0
2 years ago
Is there such a thing as 0x, there's 5x, 6x, 19x, x etc., but 0x... just sound weird to me.
erastovalidia [21]
Zero × anything is zero, so no... you'll never see 0x. If for some reason you do, just rewrite the equation without it... because it's zero. :)
3 0
2 years ago
Read 2 more answers
HELP !! 20 POINTS !! Identify if the relations are functions or not.
Vlada [557]

Answer:

This is not a function, because the output is paired with more than one input. In other words, 8 is paired with both 4 and 3, even though output numbers are only supposed to have one counterpart.

Step-by-step explanation:

Hope this makes sense :)

3 0
2 years ago
It takes Jesse (2/3) hour to mow her backyard how much of the yard will be mowed will be mowed after (1/4) hour ?
bija089 [108]

Answer:

the answer is A

Step-by-step explanation:

here is a link to the question i got the answer from

ok i looked it up and you can learn more here: brainly.com/question/12687875

6 0
2 years ago
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