3 years ago

3x-5y+6 how many terms are in this expression

1 answer:

7 0

3 terms are in the expression

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musickatia [10]

Answer:

Step-by-step explanation:

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3 years ago

Sauron [17]

Answer:

the answer is 123 123+156=279.

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3 years ago

Salsk061 [2.6K]

Answer:

9x + 25 + 3x = 34 + 54

9x + 3x = 12x

34 + 54 = 88

12x + 25 = 88

- 25 - 25

12x = 63

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3 years ago

geniusboy [140]

<span>A linear equation is any equation used to define a line. </span>

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3 years ago

solmaris [256]

Answer:

Step-by-step explanation:

Given the confidence interval of the heights of american heights given as (65.3,73.7);

Lower confidence interval L = 65.3 and Upper confidence interval U = 73.7

Sample mean will be the average of both confidence interval . This is expressed mathematically as $\overline x = \frac{L+U}{2}$

$\overline x = \frac{65.3+73.7}{2}\\\overline x = \frac{139}{2}\\\overline x = 69.5$

Hence, the sample mean is 69.5

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3 years ago