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dimulka [17.4K]
2 years ago
13

7/3a - 8/5 +4/15a Simplified

Mathematics
1 answer:
Pepsi [2]2 years ago
4 0

Answer:

13/5a - 8/5

Step-by-step explanation:

= 35/15a + 4/15a - 8/5

= 39/15a - 8/5

= 13/5a - 8/5

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A prediction from a line graph is
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What is the formula for the circumference of a circle?
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Step-by-step explanation:

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Michael has $1,036.89 in his checking account. He is going to spend $495.05 on a new television, and he will spend the rest on s
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Please help.. I’m stuck on this question
s2008m [1.1K]

Answer: The answer is 1

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4 0
3 years ago
Suppose that the scores on a reading ability test are normally distributed with a mean of and a standard deviation of . What pro
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Answer:

The proportion of individuals score at most 74 points on this test is 70%.

Step-by-step explanation:

The complete question is:

Suppose that the scores on a reading ability test are normally distributed with a mean of 70 and a standard deviation of 8. What proportion of individuals score at most 74 points on this test? Round your answer to at least four decimal places.

Solution:

Let <em>X</em> represent the scores on a reading ability test.

It is provided that X\sim N(70,8^{2}).

Compute the probability that an individuals score is at most 74 points on this test as follows:

P(X\leq 74)=P(\frac{X-\mu}{\sigma}\leq \frac{74-70}{8})

                 =P(Z

Thus, the proportion of individuals score at most 74 points on this test is 70%.

4 0
3 years ago
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