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adell [148]
3 years ago
6

A group of students were surveyed to find out if they like watching television or reading during their free time.

Mathematics
2 answers:
sukhopar [10]3 years ago
8 0
90 students like watching television

20 students like watching television but do not like reading

80 students like reading

40 students do not like watching television

Make a two-way table to represent the data and use the table to answer the following questions.

Part A: What percentage of the total students surveyed like both watching television and

Part B: What is the probability that a student who does not like watching television also does not like reading?
podryga [215]3 years ago
5 0
A) 70/130*100 = 53.8 %
B) 30/40 = 3/4 = 0.75

hope you have a great day !
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chubhunter [2.5K]

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3 years ago
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Which expression is equivalent to (x^2 -8) - (-2x^2+4)?​
Phoenix [80]

Answer:

D) 3x^2 - 12

Step-by-step explanation:

Using PEMDAS;

There is no need to evaluate the part of the equation (x^2 - 8) because is no need to, as it is already in its simplest form.

We must evaluate the part of the equation continuing with, "- (-2x^2+4)," as it is not in its simplest form.

Evaluating "- (-2x^2+4)":

Step 1: Distributing the negative

Once distributing the negative symbol amongst the values within the parenthesis according to PEMDAS, we get "2x^2 - 4" as the product.

Step 2: Consider the rest of the equation to evaluate

Since the part of the equation is still in play here as it is a part of the original equation to be solved, we must evaluate it as a whole to get the final answer.

Thus,

x^2 -8 + 2x^2 - 4 = ___

*we can remove the parenthesis as it has no purpose, since it makes no difference.

Evaluating for the answer, we get,

x^2+2x^2 + (-8 - 4) = 3x^2 - 12

Hence, the answer is D) 3x^2 - 12.

3 0
3 years ago
Regina has just opened her new yarn shop. She makes $4.00 on every skein of yarn sold and her monthly expenses are $3,800. Which
MAXImum [283]

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Step-by-step explanation:

6 0
2 years ago
Please help me with this
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Answer:

1          7

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Step-by-step explanation:

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3 years ago
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Answer:

Option B

Step-by-step explanation:

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From the graph attached,

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Option B will be the answer.

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2 years ago
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