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Fofino [41]
3 years ago
15

Each group of students receives a bag that has 4 red cubes, 10 green cubes, and 6 blue cubes. Each group makes 20 pulls, replaci

ng the cube after each pull, with the results shown below. Is the experimental probability of pulling a red cube greater than, less than, or equal to the theoretical probability of pulling a red cube?
Mathematics
1 answer:
SSSSS [86.1K]3 years ago
7 0

Answer:

You stated the question, "Is the experimental probability of pulling a red cube greater than, less than, or equal to the theoretical probability of pulling a red cube?

Step-by-step explanation:

Therefore, this question makes no sense.

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Can someone answer this please.
lorasvet [3.4K]

Answer:

This is the answer I am writing the answer rn

Step-by-step explanation:

6 0
3 years ago
Describe the geometrical transformation and write the approximate value with working ​
lianna [129]

Answer:

\boxed{\text{a) Translation 5 units up; b)}\approx 110}\\

Step-by-step explanation:

a) Mapping the graphs

Mapping one graph (A) onto another (B) means that each vertical line through a point in A intersects the graph of the B at only one point.

In the diagram, the graph of ƒ(x) = √(x² + 9) is the blue line and the graph of g(x) = 5 + √(x² + 9) is in green.

Each vertical line through ƒ(x) intersects g(x) in only one point.

For example, a vertical line from (4, 0) intersects ƒ(x) at (4, 5) and g(x)

at (4, 10).

Every point in g(x) is five units higher than the corresponding point in ƒ(x).

Thus, mapping ƒ(x) onto g(x) is a translation of five units upward.

b) Integration

\int_{2}^{11}{(\sqrt{x^{2}+9}})dx\approx 65\\

\int_{2}^{11}{(5 + \sqrt{x^{2}+9})}dx \approx [5x]_2^{11}+65\\

\approx (55 - 10) + 65 \approx 45 + 65\\

\boxed{\approx 110}\\

5 0
3 years ago
A 2/3=8/2. B. 4/9=8/9 c 3/4>9/10 d 2/4>2/3 which comparison is true
vladimir2022 [97]

The given comparisons are not true in all of the options provided.

<u>Step-by-step explanation:</u>

The given comparisons are in the form of fractions.

Check each of the given options one by one based on the relation given for the comparison.

Option a) is 2/3 = 8/2. Here, you have to check that the given fractions are equal or not. If both the values are equal, then the comparison is true. If they are not equal, then the comparison is false.

By dividing 2 by 3, we get a value of 0.666

By dividing 8 by 2, we get a value of 4.

Therefore, 0.666 ≠ 4. The comparison is false.

Option b) is 4/9 = 8/9. Here, you have to check that the given fractions are equal or not.

Look into the given comparison, the fractions have same denominator of 9.

In such cases, if the denominator is same and the numerator value is different, then they are not equal.

Therefore, 4/9 ≠ 8/9. The comparison is false.

Option c) is 3/4 > 9/10. Here, you have to check whether 3/4 is greater than 9/10.

By dividing 3 by 4, we get a value of 0.75

By dividing 9 by 10, we get a value of 0.9

Therefore, 0.75 is not greater than 0.9. The comparison is false.

Option d) is 2/4 > 2/3. Here, you have to check whether 2/4 is greater than 2/3.

By dividing 2 by 4, we get a value of 0.5

By dividing 2 by 3, we get a value of 0.666

Therefore, 0.5 is not greater than 0.666. The comparison is false.

6 0
3 years ago
2:1<br> and <br> 18:9<br> equivalent?
denis23 [38]
Yes they are equivalent 18:9 simplified by 9 is 2:1
8 0
3 years ago
Read 2 more answers
Tom spends 30% of his monthly budget on rent. His total monthly budget is $3,000. How much does Tom spend on rent?
lilavasa [31]
Hey You!

3,000 * 30% = 900

So, Tom spends $900 on his monthly rent.
5 0
3 years ago
Read 2 more answers
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