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3 years ago

8

Give one example of when you would make a frequency table to solve a problem

1 answer:

yan [13]3 years ago

5 0

You can use a frequency table for steak tasting, where each numbers represents the steak that was the chosen as the best.

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An automobile firm wants to purchase either machine A or machine B. The intial cost of machines A and B are $40,000 and $50,000,

Fynjy0 [20]

Answer:

C. $118,000 and $110,000, respectively.

Step-by-step explanation:

Please consider the complete question.

An automobile firm wants to purchase either machine A or machine B. The intial cost of machines A and B are $40,000 and $50,000, respectively. The power consumption per year of machines A and B are 120 MWh and 100 MWh, respectively. The power cost is $40/MWh. The estimated operating and maintenance cost over 10 years is $30,000 for machine A and $20,000 for machine B.

First of all, we will find the amount spent on power consumption for 10 years by each machine as:

$\text{Machine A}=10\cdot 120(\$40)\\\text{Machine A}=\$48,000$

$\text{Machine B}=10\cdot \$100(\$40)\\\text{Machine A}=\$40,000$

Now, we will find overall cost of machines A and B by adding initial cost, power consumption for 10 years and maintenance cost as:

$\text{Overall cost of machine A}=\$40,000+\$48,000+\$30,000$

$\text{Overall cost of machine A}=\$118,000$

$\text{Overall cost of machine B}=\$50,000+\$40,000+\$20,000$

$\text{Overall cost of machine B}=\$110,000$

Therefore, the overall cost of machines A and B are $118,000 and $110,000, respectively and option C is the correct choice.

6 0

3 years ago

Can you draw a triangle with vertices (1,5) (5,8 ) (13,14) give reason

Firdavs [7]

Answer:

Step-by-step explanation:

8 0

3 years ago

For x = 4, evaluate the expression 2x + 8.<br><br> 24<br><br> 16<br><br> 32<br><br> 0

xeze [42]

Answer:

16

Step-by-step explanation:

If x = 4

2(4)+8 (2 * 4 = 8)

8 + 8 = 16

[RevyBreeze]

8 0

2 years ago

What is 3/5 by 1/2 reduced?

Readme [11.4K]

Answer: 1/10

Step-by-step explanation:

I think you mean 3/5 - 1/2?

we need to make the denominators the same, so we find the LCM of 5 and 2, which is 1, so we multiply them to get a common denominator of 10.

Now we multiply 3/5 by 2/2 to get 6/10, and 1/2 by 5/5 to get 5/10.

6/10 - 5/10 = 1/10

<u>can you give brainliest</u>

4 0

2 years ago

GCF of 72 and 81. Show your work.

frosja888 [35]

Answer:

greatest factor of 72 and 81 is 9.

Step-by-step explanation:

i got this because 9 is the greatest number when multiplied that will go into both 72 and 81. i solved this by comparing the multiples of 72 and 82.

hope this helped :))

4 0

3 years ago

Read 2 more answers