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VladimirAG [237]
3 years ago
14

Your Teacher gives you a number cube with 1-6 faces. You are asked to state a theoretical probability model for rolling it once.

Your probability model shows a probable outcome of 1/6 for each of the numbers on the cube. 1 chance for all any of the 6 numbers. You roll it 500 times. If the equality model was correct about how many of each outcome would you expect to see if the cube is rolled 500 times?
Outcome- 1,2,3,4,5,6

Frequency- 77, 92,75,90,76,90
Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
3 0

Answer:

The answer to your question isabella is (33.33)

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Which soap dispenser shows that 64% of its soap has been used?
masha68 [24]
Dispenser C is your answer

16/25 x 4/4 = 64/100

64/100 = 0.64, or 64% 

Your answer is Dispenser C

hope this helps
7 0
3 years ago
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This question is confusing me
gizmo_the_mogwai [7]

Answer:

She went on the slide 8 times and on the roller coaster 4 times

Step-by-step explanation:

We convert each statements to a mathematical equation.

Firstly, let's represent the number of times she went on the coaster with R and the number of times on the slide with S. We know quite well she went on 12 rides. Hence the summation of both number of times yield 12.

Mathematically, R + S = 12. ........(i)

Now we also know her total wait time was 3hours. Since an hour equals 60 minutes, her total wait time would equal 180 minutes.

To get a mathematical representation for the wait time, we multiply the number of roller coaster rides by 25 and that of the slides by 10.

Mathematically, 25R + 10S = 180 .......(ii)

Here we now have two equations that we can solve simultaneously.

From equation 1 we can say R = 12 - S. We can then substitute this into equation 2 to yield the following:

25(12 - s) + 10s = 180

300 - 25s + 10s = 180

300 - 25s + 10s = 180

300 - 15s = 180

15s = 300 - 180

15s = 120

S = 120/15

S = 8

S = 8 , and R = 12 - S = 12 - 8 = 4

5 0
3 years ago
(Worth 11 points) I have this semester a unit test and i reallllllly need help wif this question, I will mark you. But im really
olga nikolaevna [1]

Answer:

r u finding the slope? bc the slope is -3/1.5

the y intercept is -3

the x intercept is -1.5

Step-by-step explanation:

hope this helped!!! and if i didnt, im sorryyy!!

8 0
3 years ago
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A parabola has a vertex at (0,0). The focus of the parabola is located at (4,0). What is the equation of the directrix? x=−4 y=−
rewona [7]

Answer:

Step-by-step explanation:

The vertex and focus are horizon aligned, so the parabola is horizontal and the directrix is a vertical line.

The vertex is halfway between focus and directrix. Directrix: x = -4

7 0
2 years ago
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Jonathan's age is 1/3 Belinda's age now in 12 years Belinda will be m years old write an algebraic expression to represent Brend
vodomira [7]

Answer:

Kindly check explanation

5 years from now, Johnathan will be (5 + 4) = 9 years

Step-by-step explanation:

Let Belinda's age = x

Jonathan's age =1/3 x

In 12 years, Belinda will be m years old :

Belinda's age now = x

Jonathan's age 5 years from now, if m = 36

Belinda's age in 12 years, Belinda's age = m

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Hence Belinda's age now is 24

Jonathan's age now is (1/3) * 12 = 4 years

Hence, 5 years from now, Johnathan will be (5 + 4) = 9 years

5 0
2 years ago
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