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Assoli18 [71]
3 years ago
13

The theoretical probability of an event occurring is 2/5 Which best describes the experimental probability associated with this

event?
Mathematics
2 answers:
max2010maxim [7]3 years ago
6 0
The answer is out of every 5 trials, the desired out come will be approximately 2 times. 
Triss [41]3 years ago
3 0

Answer:

Out of every 5 trials, the desired outcome will occur approximately 2 times.

Step-by-step explanation:

Consider the provided information.

Theoretical probability is a likelihood determined by reasoning.

It can be written as the number of favorable outcomes divided by the total number of possible outcomes.

Or we can say that the numerator represents the favorable outcomes and denominator represents the total number of possible outcomes.

Thus, we can say that 2/5 represents: Out of every 5 trials, the desired outcome will occur approximately 2 times.

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The cloth top of the gazebo in Mr. Chang’s backyard has ripped from weathering. He needs to know the area of the cloth so he can
antoniya [11.8K]

Answer:

<u>The correct answer is A. 60 square feet.</u>

Step-by-step explanation:

1. Let's review the data provided to us for solving the question:

The gazebo in Mr. Chang's backyard, according to the figure, is a square pyramid because its base is a square of 6 feet as length of its sides.

Length of the sides of the base = 6 feet

Slant length = 5 feet

Height = 4 feet

2. How much cloth, in square feet, will Mr. Chang need, assuming he does not need to replace the cloth at the bottom of the figure?

Area of a square pyramid = Base area + 1/2 Perimeter * Slant length

Replacing with the real values, we have:

Area of a square pyramid = 6 * 6 + 1/2 (6 + 6 + 6 + 6) * 5

Area of a square pyramid = 36 + 1/2 (24) * 5

Area of a square pyramid = 36 + 12 * 5

Area of a square pyramid = 36 + 60

Area of a square pyramid = 96 feet ²

3. But remember than Mr. Chang doesn't need to replace the cloth at the bottom of the gazebo.

So we need to subtract the area of the base to the area of the square pyramid:

Area of the square pyramid - area of the base

Area of the base = 6 * 6 = 36 feet ²

96 feet ² - 36 feet ² = 60 feet ²

<u>The correct answer is A. 60 square feet.</u>

7 0
3 years ago
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Find out for what value of the variable:
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Answer:

a=-1,\ a=-5

x=-2+i,\ -2-i

Step-by-step explanation:

<u>Equations</u>

We have two cases where some variable is required to be found such that some condition is met. The first case is about finding the value of a that complies:

a^2+7a+6=a+1

Rearranging

a^2+6a+5=0

Factoring:

(a+1)(a+5)=0

There are two solutions:

a=-1,\ a=-5

The second case requires us to find the value of x such that

3x^2-x+1 =2x^2+5x-4

Rearranging

x^2+4x+5=0

This second-degree equation has no real roots. We'll offer the imaginary (complex) solutions:

x=-2+i,\ -2-i

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Answer:

<u>Candy | Number of People</u>

Chocolate 10

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Step-by-step explanation:

We want to create a table that will show the data from the graph above.

We just have to read the frequencies of the corresponding candies of the bar graph.

The height of the bars tell us the frequencies.

<u>Candy | Number of People</u>

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Brad typed in 48 minutes a report that
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Answer:

59.9 words per minute

Step-by-step explanation:

You can round it to 60.

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