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Anna11 [10]
3 years ago
6

A plumber charges $25 for service call plus $50 per hour. Write an equation in slope-intercept form for the cost of c , after h

hours of service. What is the cost 8 hours? What is 10 hours?
Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
3 0
C=50h+25


C=50(8)+25
C=400+25
C=$425


C=50(10)+25
C=500+25
C=$525
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there are 340 identical plastic chips numbered 1 through 340 in a box. What is the probability of reaching into the box and rand
Lunna [17]
Explanation:

There are 340 identical plastic chips numbered 1 through 340 in a box. Then, the total number of possible outcomes is equal to 340.

Now, let E be the event of getting randomly drawing a chip number that is smaller than 217. Then, the favorable outcomes are:

1, 2, 3, ..............,216

Thus, the number of favorable outcomes is equal to 216.

According to the definition of Probability, we get the following expression to find the probability of reaching into the box and randomly drawing a chip number that is smaller than 217:

P(E)=\frac{number\text{ of favorable outcomes}}{number\text{ of possible outcomes}}=\frac{216}{340}=\frac{54}{85}

we can conclude that the correct answer is:

Answer:\frac{54}{85}

4 0
1 year ago
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Answer:

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6 0
3 years ago
Find n. Round to the nearest hundredth.
Setler [38]
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6 0
3 years ago
Hey some help please and thank.
tatyana61 [14]
Think of how many there are. im not sure if you put these into ratios or not...

like for number 3 think of how many numbers 1-9 are multiples of three

1  2  3  4  5  6  7  8  9

and once you get that number you make it out of 9 because there were 9 numbers

Example

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7 0
3 years ago
Please finish this equation and write the answer​
olga55 [171]

Given:

The equation is:

2540=\dfrac{22}{7}r^2(20)

To find:

The solution for the given equation.

Solution:

We have,

2540=\dfrac{22}{7}r^2(20)

It can be written as:

\dfrac{2540\times 7}{22\times 20}=r^2

\dfrac{17780}{440}=r^2

\dfrac{889}{22}=r^2

Taking square root on both sides, we get

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r=6.3568145

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Therefore, the value of r is about 6.36 cm.

7 0
3 years ago
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