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AnnyKZ [126]
3 years ago
14

Stephanie make $6.60 an hour plus tips working at a restaurant on a particular day she works eight hours and made 78.80. Write a

nd solve an equation to determine the amount she made in tips?
Mathematics
1 answer:
vovangra [49]3 years ago
3 0
6.60 \times 8 = 52.8 \\ 78.80 - 52.8 = 26

She made $26 on tips

Equation: 78.80=6.60(8)+t
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Geometry help???????
DENIUS [597]

Answer:

the first one is corresponding angles postulate

the second one is linear pair

Step-by-step explanation:

corresponding angles are equal

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pls mark as brainliest

8 0
4 years ago
Consider two circular swimming pools. Pool A has a radius of 36 feet, and Pool B has a diameter of 22.14 meters. Complete the de
Natasha2012 [34]

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797.04

Step-by-step explanation:

6 0
3 years ago
A manager records the repair cost for 4 randomly selected stereos. A sample mean of $82.64 and standard deviation of $14.32 are
zysi [14]

Answer:

CI = (70.861 , 94.418)

Step-by-step explanation:

In order to determine the 90% confidence interval you use the following formula (for a population approximately normal):

CI=(\overline{x}-Z_{\alpha/2}\frac{\sigma}{\sqrt{n}},\overline{x}+Z_{\alpha/2}\frac{\sigma}{\sqrt{n}})    (1)

\overline{x}: mean = 82.64

σ: standard deviation = 14.32

n: sample = 4

α: tail area = 1 - 0.9 = 0.1

Z_α/2 = Z_0.05: Z factor =  1.645

You replace these values and you obtain:

Z_{0.05}(\frac{14.32}{\sqrt{4}})=(1.645)(\frac{14.32}{\sqrt{4}})=11.778

The confidence interval will be:

CI=(82.64-11.778,82.64+11.778)=(70.861,94.418)

The 90% confidence interval is (70.861 , 94.418)

6 0
4 years ago
Find the slope of the line that passes through (-2,1) (7,1)​
stich3 [128]

Answer:

0

Step-by-step explanation:

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y2-y1/x2-x1

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0

The slope of the line is 0.

<em>If u have any questions about what I did feel free to ask in the comments!</em>

3 0
3 years ago
Read 2 more answers
Irina wants to build a fence around a rectangular vegetable garden so that it has a width of at least 10 feet. She can use a max
Rasek [7]

Answer:

In option a, w < 10

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in option c, w > 10 but 2(60) + 2(20) = 120 + 40 = 160 > 150

In option d, w > 10 but 2(55) + 2(30) = 110 + 60 = 170 > 150

Therefore the corect answer is option b.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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