Need help ASAP giving 30 points

1 answer:

6 0

Answer:

82⁰

Step-by-step explanation:

you subtract angle A from 180 to give you 37 and you add that to 61 to give you 98 and you subtract that from 180 to give you 82⁰

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Nata [24]

Answer:

7 trays

Step-by-step explanation:

Given the $\mu=5, \sigma=1$ , the z score is obtained using the formula:

$z=\frac{x-\mu}{\sigma}$

The z score value for a 95% interval is 1.645.

#Substitute our z value and solve for x:

$z=\frac{x-\mu}{\sigma}\\\\1.645=\frac{x-5}{1}\\\\1.645+5=x\\\\x=6.645\approx7$

Hence, the bakery must prepare 7 trays of doughnuts .

3 0

3 years ago

xz_007 [3.2K]

Answer: 0.8mile/min

Step-by-step explanation:please see attachment for explanation

7 0

3 years ago

zhuklara [117]

Using z-scores, it is found that the unusual values are those that are less than 124.

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The z-score of a measure X in a data-set with mean $\mu$ and standard deviation $\sigma$ is given by:

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

The z-score measures how many standard deviations X is from the mean.
Measures that are<u> more than 2 standard deviations from the mean</u> are unusual.
Z < -2 means that the measure X is unusually low.
Z > 2 means that the measure X is unusually high.

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