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777dan777 [17]
3 years ago
5

Graph the linear equation find three points that solve the equation then plot on the graph -3y=-x-7

Mathematics
2 answers:
amm18123 years ago
8 0

Answer: (-7,0)  (2,3)  (5,4)

Step-by-step explanation:

Ira Lisetskai [31]3 years ago
7 0

- 3y =  - x - 7 \\ y  =  \frac{1}{3} x +  \frac{7}{3}
\binom{ - 1}{2}  \:  \:  \:  \:  \:  \: \binom{2}{3}  \:  \:  \:  \:  \:  \:  \binom{5}{4}
this is the line

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Answer:

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2 years ago
The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a standard deviation of $6. What ar
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Answer:

The minimum value of the bill that is greater than 95% of the bills is $37.87.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 28, \sigma = 6

What are the minimum value of the bill that is greater than 95% of the bills?

This is the 95th percentile, which is X when Z has a pvalue of 0.95. So X when Z = 1.645.

Z = \frac{X - \mu}{\sigma}

1.645 = \frac{X - 28}{6}

X - 28 = 6*1.645

X = 37.87

The minimum value of the bill that is greater than 95% of the bills is $37.87.

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3 years ago
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Step-by-step explanation:

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How do I graph this or how do I get a equation I can graph?​
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