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3 years ago

7

How do you find how many solutions a equation has?

1 answer:

Evgen [1.6K]3 years ago

6 0

Answer:

If solving an equation yields a statement that is true for a single value for the variable, like x = 3, then the equation has one solution. If solving an equation yields a statement that is always true, like 3 = 3, then the equation has infinitely many solutions.

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3 years ago

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An individual is at a restaurant with two other people and they are trying to determine the tip for their check total which came

zlopas [31]

Answer:

c. The tip is $10.00

Step-by-step explanation:

The total bill in the restaurant is = $ 68.42

They wanted to pay a gratuity of 15%

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= $68.42 \times \frac{15}{100}$

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7 0

3 years ago

What is the standard deviation of the following data set?

tia_tia [17]

Answer:

D. 14.32

Step-by-step explanation:

The formula for standard deviation is:

$SD = \sqrt{\frac{\sum | x-\mu|^2}{N}}$

The mean μ is 33.

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So that the SD = $\sqrt{\frac{820}{4}} \approx 14.31782...$

4 0

3 years ago