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LuckyWell [14K]
3 years ago
7

Can anyone help me with a problem on my math assignment. I need to find the surface area

Mathematics
1 answer:
Reil [10]3 years ago
5 0
The answer is 7008.48 square meters.
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Which equation is equivalent to the given equation? 7m + 11 = -4 (2m +3)
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Step-by-step explanation:

8 0
3 years ago
Help
mars1129 [50]
To find one year, here's the equation:
5000 + 0.06(5000)
For 10 years:
5000 + 10(0.06(5000))
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5000 + 0.6(5000)
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During a tunnel construction project, engineers used explosives to excavate partway into a mountain. Because of time constraints
AnnyKZ [126]

The given data can be tabulated as:

number of days,x                            length of tunnel (ft), y

0                                                                              225

5                                                                              350

20                                                                           725

30                                                                           975

55                                                                           1,600

 

To check if the growth is linear, the slope at points (0, 225) and (5, 350), and (0, 225) and (20, 725) should be equal. The formula for slope is:

m = (y2 – y1) / (x2 – x1)

 

Finding for slope (0, 225) and (5, 350):

m = (350 – 225) / (5 – 0) = 25

 

Finding for slope (0, 225) and (20, 725):

m = (725 – 225) / (20 – 0) = 25

 

Therefore the equation is linear in the form of:

y = mx + b

where b is the value of y at x = 0, so b = 225

 

The complete equation is:

y = 25x + 225

 

At x = 86 days

y = 25(86) + 225

y = 2,375 ft

 

Therefore the length of the completed tunnel is 2,375 feet.

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4 years ago
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Step-by-step explanation:

6 0
3 years ago
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Step-by-step explanation:

divide 160 by 14.3

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