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Delicious77 [7]
4 years ago
8

a number cubes tolled 450 times. the number 3 comes up 67 times. what I's the theoretical probability of rolling a 3 ? WRITE YOU

R ANSWER AS A FRACTION b. what us the experimental probability of rolling a 3 ? write your answer as a fraction
Mathematics
1 answer:
zvonat [6]4 years ago
4 0
Assuming number cube has 6 sides

probablity is (desiredoutcomes)/(total possible ouctomes)


since it is 450 times
total possible outcomes=450

experimiental probablity is the one actaully obtained by doing it
theoretical is the predicted amount

so theoretical probablity of rolling a 3 is 1 number out of 6 or 1/6 or 75 times out o 450 times

experimiental is the actaull one so67 out of 450 or 67/450

theoretical is 1/6 or 75/450
experimental is 67/450



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Find three consecutive positive integers such that the square of the first is equal to the Third
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3 consecutive positive integers : x, x + 1, x + 2

x^2 = x + 2
x^2 - x - 2 = 0
(x + 1)(x - 2) = 0

x + 1 = 0
x = -1....this is an extraneous solution that does not work

x - 2 = 0
x = 2

check...
square of the first = third
x^2 = x + 2
2^2 = 2 + 2
4 = 4 (correct)

so ur 3 integers are 2,3, and 4
5 0
3 years ago
Solve for c, 3ab-2bc=12
Troyanec [42]
-2bc=12-3ab

c=(3ab-12)/(2b)
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3 years ago
Is this is the right answer, I divided 17/20?
lina2011 [118]
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5 0
4 years ago
Read 2 more answers
Compare and contrast the relative frequency for the whole table in part B with the two-way frequency table given in the activity
PIT_PIT [208]

The way to convert counts into relative frequencies in a Two Way Relative Frequency Table is to divide the count by the total number of items

<h3>What is a Frequency Table?</h3>

This refers to the depiction of the number of times in which an event occurs in the form of a table.

Hence, when a two-way frequency table is used, it shows the visual representation of the possible relationship between different sets of data.

Please note that your question is incomplete as you did not provide the frequency table needed and also the trends and generalizations to find, so a general overview was given.

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brainly.com/question/12134864

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3 0
2 years ago
John stands 150 meters from a water tower and sights the top at an angle of elevation of 36º. If John's eyes are 2 meters above
horsena [70]

Answer:

The height of tower DB=111\ meters.

Step-by-step explanation:

Diagram of the given scenario is shown below.

Given that,

Distance between John and tower is  CE=150 \ meters.

Angle of elevation to the top of the tower is \angle DEC=36°.

Height of John is  CB=2\ meters.

To Find: Height of the tower DB.

So,

In triangle ΔDCE,

                    Tan(∠DEC)= \frac{DC}{CE}

                    Tan (36)= \frac{DC}{150}

                     DC= tan(36)\times 150

                     DC=108.98\ meters

Now,

To calculate the height of tower we have

                    DB=DC+CB

                    DB=108.98+2

                    DB=110.98\ meters ≈ 111 \ meters

Therefore,

The height of tower DB=111\ meters.

           

6 0
3 years ago
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