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Ilya [14]
3 years ago
6

Choose the value that will correctly replace the missing part?2(?+5)=6x+10

Mathematics
1 answer:
CaHeK987 [17]3 years ago
8 0

Answer:

? = 3x

Step-by-step explanation:

2(? + 5) = 6x + 10

You must plug in a number that will get the same value on both sides of the equal sign.

2*5 = 10

2*? = 6x

6x/2 = 3x

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The final result is: x = -3.
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A lock has a three number code made up of 17 numbers if none of the numbers are allowed to repeat how many different ways can yo
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Answer:

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Step-by-step explanation:

Use the binomial coefficient where you choose k=3 numbers out of n=17 possible numbers and find the total amount of combinations since order does not matter:

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8 0
2 years ago
find a number such that when 3/4 of it is added to 3½the sum is the same as when 2/3 of it is subtracted from 6½. PLEASE HELP​
galben [10]

Answer:

- 120

Step-by-step explanation:

call x is the number you want to find

  1. (3/4 )x + 3\frac{1}{2} = (2/3)x - 6\frac{1}{2}
  2. (3/4)x + (7/2) = (2/3)x - (13/2)
  3. (3/4)x - (2/3)x = - (13 /2) - (7/2)
  4. (1/12)x = -10
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Answer:

105 miles in 3 hours

Step-by-step explanation:

Your Welcome

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3 years ago
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