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Debora [2.8K]
3 years ago
15

During an experiment, Juan rolled a six-sided number cube 18 times. The number two occurred four times. Juan claimed the experim

ental probability of rolling a two was approximately StartFraction 1 over 9 EndFraction. Which of the following is true about Juan’s claim?
Juan's claim is incorrect. The correct experimental probablilty is StartFraction 2 over 9 EndFraction.
Juan's claim is incorrect. The correct experimental probablilty is One-third.
Juan's claim is incorrect. The correct experimental probablilty is StartFraction 4 over 9 EndFraction.
Juan’s claim is correct.
Mathematics
2 answers:
Maru [420]3 years ago
8 0

Answer:

1) Juans claim is incorrect. The correct experimental probablilty is 2/9

Step-by-step explanation:

stiks02 [169]3 years ago
3 0

Answer:

a

Step-by-step explanation:

Juan's claim is incorrect. The correct experimental probablilty is 2/9

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A group of 2 adults and 4 children spent $38 on tickets to a museum. A group of 3 adults and 3 children spent $40.50 on tickets
mrs_skeptik [129]

Answer:

adult $8.00

child $5.50

Step-by-step explanation:

Let the price of 1 adult ticket = x.

Let the price of 1 child ticket = y.

2x + 4y = 38

3x + 3y = 40.5

Multiply the first equation by 3. Multiply the second equation by -2. Then add them.

         6x + 12y = 114

(+)      -6x - 6y = -81

-----------------------------

                  6y = 33

y = 33/6

y = 5.5

2x + 4y = 38

2x + 4(5.5) = 38

2x + 22 = 38

2x = 16

x = 8

Answer:

adult $8.00

child $5.50

4 0
2 years ago
Read 2 more answers
Twice the quotient of a number and -24 is -8 Find the number.<br><br> The number is ________.
Klio2033 [76]

Answer: The number should be 6

4 0
2 years ago
Given: m∠A = m∠C = 90°<br> AB ║ DC<br> Prove: ∆ABD ≅ ∆CDB<br> 40 points
leonid [27]

Answer:

ABD = CDB

AB is parallel to DC

Step-by-step explanation:

angle a and c are right angles so they are equal and angle b and d are equal because they have a line that touch both letters

AB and DC are parellel because they are the same looking lines just on oppisite sides

7 0
2 years ago
Evaluate the piecewise function at the indicated values from the domain:
lidiya [134]

In this question, we given a piece-wise function, that has different definitions depending on the domain.

Evaluate the function at x = 0.

The exercise asks for us to evaluate the function at x = 0

We have to look at the definition, and see which definition includes x = 0. The equal sign at x = 0 is on the second definition, that is:

f(x) = 1, 0 \leq x < 2

Thus, at x = 0, the value of the function is 1, and the correct answer is given by option A.

For another example of evaluation of a piece-wise function, you can check brainly.com/question/17966003

7 0
2 years ago
A right pyramid with a square base has a base edge length of 12 meters and slant height of 6 meters. The apothem is meters. The
Kisachek [45]

Answer:

Apothem: 6m

hypotenuse : slant height : 6√2 m

height :6m

volume: 288m2

Step-by-step explanation:

Hi, the correct values are: (image  attached down below)

Base length= 12m

Slant height  is actually = 6√2

So, to calculate the apothem (AC)we apply the Pythagorean theorem:

AB^2 = AC^2 + BC^2

√AB^2 -BC^2 = AC

AC = √(6√2)^2 - 6^2

AC =6 meters

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Volume of a pyramid = 1/3 x base area x height

area of a square = side length ^2 = 12^2

V= 1/3 x 12^2 x 6 =288 m2

7 0
3 years ago
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