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Gnesinka [82]
3 years ago
11

What’s the mean of 3,9,10,14,15,16

Mathematics
2 answers:
tangare [24]3 years ago
5 0

Answer:

11.1666666667

Step-by-step explanation:

Add all numbers together. Answer 67

Divide by the amount of numbers. Answer 6

Then your finial answer will come out to 11.666666667 or 12

Ostrovityanka [42]3 years ago
4 0
I think it might be 11.1
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Matty is a bit of a weirdo you know what i mean

Step-by-step explanation:

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Kevin has 3 bags of apples weighing a total of 22 1/2 pounds. Two of the bags weigh 6 3/8 pounds and 3 1/4 pounds. How much does
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What are three consecutive integers whose product is 480 more than their sum?
Natali [406]

Answer:

The three numbers are 7 8 and 9

Step-by-step explanation:

Givens

  • Let the first number be n - 1
  • Let the second number be n
  • Let the third number = n + 1

Equation

(n - 1)(n)(n + 1) - (n-1 + n + n+1) = 480

Solution

Multiply (n - 1) and (n + 1) = (n - 1)*(n + 1) = n^2 - 1

Multiply the second integer by the result of the first and third: n (n^2 - 1)

Add the three integers together: (x - 1) + (n - 1) + n = 3n  Combine these 2 steps

n(n^2 - 1) - 3n = 480 Remove the brackets

n^3 - n - 3n = 480

n^3 - 4n = 480

n^3 - 4n - 480 = 0

Graph

The graph shows that the intercept point is n =8. This is the only way I can see to solve this cubic. There are no other real roots.

Answer

n - 1 = 7

n = 8

n + 1 = 9

Check

Product 7*8*9 = 504

Sum = 7 + 8 + 9 = 24

504 - 24 = 480 Which checks.

4 0
3 years ago
the total distance of a car moves varies directly with the time in hours.the car moves a total distance of 812 miles in 14 hours
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Answer:

J (22hrs)

Step-by-step explanation:

812 divided by 14= 58

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suter [353]

Answer:

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Step-by-step explanation:

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4750 * 5 = 23750

28500 - 23750 = 4750

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3 years ago
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