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sergey [27]
3 years ago
8

4x + 3x = (4 + [?])X = [ ]x

Mathematics
1 answer:
AnnZ [28]3 years ago
3 0

Answer:

7x

Step-by-step explanation:

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DochEvi [55]

Answer:

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3 years ago
If M=-7 and B=9 what are the answers to the following <br><br> 67xM=<br><br> -23xB
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Step-by-step explanation:

8 0
3 years ago
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How many ways can eight letters be arranged into groups of five where order matters and the first two letters are already chosen
fenix001 [56]

Answer:

120

Step-by-step explanation:

Since we're dealing with a problem where the order matters and the first two letters are already chosen we need to subtract the number of letters and the number of available slots per group.

We use the permutation formula to find the answer, but before that let's check values.

n = 8

k = 5

Now since there are two letters already chosen we have to deduct two from both the value of n and k.

n = 6

k = 3

Now we can use the permutation formula:

_{n}P_{k}=\dfrac{n!}{(n-k)!}

_{6}P_{3}=\dfrac{6!}{6-3)!}

_{6}P_{3}=\dfrac{6!}{3!}

_{6}P_{3}=\dfrac{6*5*4*3*2*1}{3*2*1}

The 3*2*1 cancels out and leaves us with:

_{6}P_{3}=6*5*4

_{6}P_{3}=120

So there are 120 possible ways to arrange eight letters into groups of five where order matters and the first two letters are already chosen.

6 0
3 years ago
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Please help me out thank you!
ANEK [815]

Answer:

Step-by-step explanation:

7 0
2 years ago
Q5. Find the simple interest on $950 at 6% per annum for three years.
sveticcg [70]

Answer:

$171

Step-by-step explanation:

=PRN

950×0.06×3

hope this helps and makes sense :))

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3 years ago
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