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Kitty [74]
3 years ago
10

If f(x)=1/x+2/x, then f(1/3)=

Mathematics
1 answer:
Kaylis [27]3 years ago
7 0

Answer:

f(1/3) = 9

Step-by-step explanation:

f(x)=1/x+2/x

Combine terms

f(x) = 3/x

f(1/3) = 3 / (1/3)

f(1/3) = 9

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Write the equation of a line in slope intercept form that is parallel to y=4/3x-7 and contains the point (5,-8)
ohaa [14]

Answer;

The equation of the line is

3y = 4x + 4

Explanation;

Mathematically we can write the equation of a straight line in the form

y = mx + c

where m is the slope

Since the old line would parallel to the new line, then they have the same slope

This means that the slope of the new line will be 4/3

Now, we had yet slope and a point, we need to write the equation of the line

mathematically;

y- y1 = m(x - x1)

In this case m = 4/3, (x1,y1) = (5,-8)

Thus;

y+ 8 = 4/3(x-5)

y+ 8 = 4/3x -20/3

y = 4/3x -20/3 + 8

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3 years ago
Twice the difference of a number squared and 7
Blababa [14]

Answer: 2(x^2-7)

Step-by-step explanation:

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3 years ago
Toni gives a cashier a $20 bill he is buying an item for $4.79 how much money should tony get back
Effectus [21]

Answer:

$15.21

Step-by-step explanation:

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3 years ago
Read 2 more answers
Given a normal distribution with a mean of 28 and a standard deviation of 2.5, what percentage of the data should be between 25.
Setler79 [48]

Using the Empirical Rule, it is found that 68% of the data should be between 25.5 and 30.5.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of  the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

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  • 28 + 2.5 = 30.5.

Within one standard deviation of the mean, hence, 68% of the data should be between 25.5 and 30.5.

More can be learned about the Empirical Rule at brainly.com/question/24537145

3 0
3 years ago
Identify the equation of the translated graph in general form ** + y^ = 7 for T(-8.4)
statuscvo [17]

Answer: A) x2+y2+16x-8y+73=0

Step-by-step explanation:

I got it right on edge.

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3 years ago
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