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bearhunter [10]
3 years ago
11

Dont mind the blue numbers. Please help!​

Mathematics
1 answer:
Jet001 [13]3 years ago
7 0

Answer:

Decrease

Increase

Increase

Decrease

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Develop an estimate for each of the following situations.(at) The cost of a 500-mile automobile trip, if gaso-line is $4 per gal
Olin [163]

Answer:

The answer is below

Step-by-step explanation:

develop an estimate for each of the following situations.

(a) The cost of a 500- mile automobile trip, if gasoline is $4.00 per gallon, vehicle wear and tear is $0.65 per mile, and our vehicle gets 25 miles per gallon.

(b) The total number of hours in the average human life, if the average life is 75 years.

(c) The number of days it takes to travel around the equator using a hot air balloon, if the balloon averages 100 miles per day, the diameter of the earth is ~4,000 miles.

Solution:

a) The total trip = 500 mile

Cost of wear and tear = $0.65 per mile = $0.65 * 500 mile = $325

25 miles takes 1 gallon of gasoline at a cost of $4 per gallon

Cost of gasoline = $4 per gallon * 500 miles / 25 miles per gallon = $80

cost of a 500-mile automobile trip = Cost of wear and tear + Cost of gasoline = $325 + $80 = $405

b) Average life of human = 75 years.

1 year = 365 days, 1 day = 24 hours

Average life of human in hours = 75 years * 365 days * 24 hours =657000 hours

c) Diameter of earth = 4000 miles

Distance of equator = diameter of earth = 4000 miles

100 mile per day

number of days for the balloon to travel round the earth = 4000 miles / (100 mile per day) = 40 days

5 0
2 years ago
The owner of a moving company typically has his most experienced manager predict the total number of labor hours that will be re
ValentinkaMS [17]

Answer:

0.9538

Step-by-step explanation:

The computation of the proportion of variation in labor hours is explained by the number of cubic feet moved is shown below:

Here the R^2 coefficient of determination, would be determined and applied the same

R^2 = 1 - SSE ÷ SST

= 1 - 123.97 ÷ 2685.9

= 0.9538

3 0
3 years ago
Elena needs to cut a square piece of wood with an area of 69 square inches. Approximate how long the sides of the square should
astraxan [27]

Answer:

"Starting today, I need to forget what's gone. Appreciate what still remains and look forward to what's coming next."

"Pain makes you stronger, fear makes you braver, heartbreak makes you wiser."

"I will not allow myself to not feel chosen every single day. And I’ll wait till whenever that is." — Hannah Brown

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"Inhale the future, exhale the past."

"Don’t cry because it’s over, smile because it happened."

7 0
3 years ago
Find the value of :​
beks73 [17]

Answer:

i) 66

ii) 536

Step-by-step explanation:

Check attachement(s) for solution.

  • Attachment - 1: Solution (i)
  • Attachment - 2: Solution (ii)

7 0
2 years ago
Which geometric term describes the angle tag
Zigmanuir [339]

Answer:

line seg

Step-by-step explanation:

7 0
2 years ago
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