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2 years ago

Shawn earns $12.75 per hour. How many hours does she need to work to earn $102 or more. Write and solve an inequality.

Mathematics

1 answer:

astra-53 [7]2 years ago

4 0

First we divide 102 by 12.75 to get the hours which is 8 hours. So it would take 8 hours

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For the question I just asked

guajiro [1.7K]

Answer:

a = 36

Step-by-step explanation:

We use pythagoras theorem here.

h = 60

p = 48

b = a

h² = p² + b²

60² = 48² + b²

3600 = 2304 + b²

b² = 3600 - 2304

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3 years ago

What is 3/4 of 60 step step

dem82 [27]

Answer:

Step-by-step explanation:

3/4 of 60 would be:

= 3/4 * 60

= 3*60 / 4

= 180 / 4

= 45

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3 years ago

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3 years ago

The temperature of coffee served at a restaurant is normally distributed with an average temperature of 160 degrees Fahrenheit a

posledela

Answer:

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 160 degrees

Standard Deviation, σ = 5.4 degrees

We are given that the distribution of temperature of coffee is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

We have to find the value of x such that the probability is 0.2

$P( X < x) = P( z < \displaystyle\frac{x - 160}{5.4})=0.2$

Calculation the value from standard normal z table, we have,

$\displaystyle\frac{x - 160}{5.4} = -0.842\\\\x = 155.4532$

Thus,

$P_{20}=155.4532$

The 20th percentile of coffee temperature is 155.4532 degrees Fahrenheit.

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3 years ago

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Veseljchak [2.6K]

Answer:yes

Step-by-step explanation:

5*3=15

5*3x=15x

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3 years ago

Shawn earns $12.75 per hour. How many hours does she need to work to earn $102 or more. Write and solve an inequality.​

Shawn earns $12.75 per hour. How many hours does she need to work to earn $102 or more. Write and solve an inequality.