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Katena32 [7]
3 years ago
13

-2(7 – 5x – 3) = -2(7 + [ X + answer

Mathematics
1 answer:
dmitriy555 [2]3 years ago
5 0

Answer:

78

I think this is right

don't be mad if it isn't

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The radius of a circle is 4.9 in. Find the circumference<br> to the nearest tenth.
Archy [21]

Answer:

C = 30.8

Step-by-step explanation:

Circumference of a Circle:

C = 2πr

C = 2(3.14)(4.9)

C = 30.772

C = 30.8

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3 years ago
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Rose pls. answer me if ur still on
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Answer:

Step-by-step explanation:

rose answer this person he/she is trying to look for you.

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2 years ago
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a pair of basketball shoes was originally priced at $80, but was marked up 37.5%. what was the retail price of the shoes
Galina-37 [17]
37.5% of $80 = $30
Since it is marked up, you add $30 to the current price. 
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3 years ago
Problem 15-7 (Algorithmic) Speedy Oil provides a single-server automobile oil change and lubrication service. Customers provide
rodikova [14]

Answer: There are 4 average cars in the system.

Step-by-step explanation:

Since we have given that

Arrival rate = λ = 4 cars per hour

Service rate = μ = 5 cars per hour

We need to find the average number of cars in the system.

So, Average number of cars would be

L_q=\dfrac{\lambda^2}{\mu(\mu-\lambda)}\\\\L_q=\dfrac{4^2}{5(5-4)}\\\\L_q=\dfrac{16}{5}\\\\L_q=3.2

So, it becomes,

L=L_q=\dfrac{\lambda}{\mu}\\\\L=3.2+\dfrac{4}{5}\\\\L=3.2+0.8\\\\L=4

Hence, there are 4 average cars in the system.

6 0
3 years ago
What is the range of the set of data this box-and-whisker plot represents? 10 12 13 14 15 16 17 18 19 20 10 8 3 6​
sesenic [268]

Answer:

The 2 box-and-whisker plot is the correct one.

Step-by-step explanation:

The first step you need to do is write the numbers from least to greatest.

5, 7, 8, 10, 13, 14, 17, 17, 21. 5 and 21 will be the end points.

To make the box we need to find the median first. All you have to do is pick the middle number and it is 13. That just leaves box-and-whisker plots 2 and 3.

To find the first and third quartile, you need to take the other numbers from 13 to the left (10+8+7+5) and add them up then divide by 4 to get 7.5 and that is the first quartile.

To find the third quartile, you will go from 13 to the right (14+17+17+21) and divide by 4 to get 17.25.  

This equals the 2nd box-and-whisker plot.

8 0
3 years ago
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