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1 year ago

What’s the value of 5%

Mathematics

1 answer:

Firdavs [7]1 year ago

4 0

Answer:

0.05 in decimal form

Step-by-step explanation:

I don't know if you accidentally left something out but if you did I can edit my answer or put the answer in the comments.

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Using principle of mathematical induction prove that 6^-1 divisble by 5 .

salantis [7]

I suppose the claim is $5 \mid 6^n - 1$ for $n\in\Bbb N$ .

When $n=1$ , we have $6^1 - 1 = 6 - 1 = 5$ , and of course 5 divides 5.

Assume the claim holds for $n=k$ , that $5 \mid 6^k - 1$ . We want to use this to show it holds for $n=k+1$ , that $5 \mid 6^{k+1} - 1$ .

We have

$6^{k+1} - 1 = \left(6^{k+1} - 6\right) + \left(6 - 1) = 6\left(6^k - 1\right) + 5$

Since $5 \mid 6^k - 1$ , we can write $6^k - 1 = 5\ell$ for some integer $\ell$ . Then

$6^{k+1} - 1 = 6\cdot5\ell + 5 = 5(6\ell + 1)$

which is clearly divisible by 5. QED

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1 year ago

15 points!!!:

spin [16.1K]

If you’re both working at a constant rate, then he would have one hour left when you go to help him. Since there are two of you, you accomplish the task twice as fast, in 30 minutes

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3 years ago

Is 8/10 mile longer than 1/2

seropon [69]

Yes because if you find common denominators (in this case, "10") you would have to compare 8/10 to 5/10. 8>5 so 8/10 is longer than 1/2.

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Artyom0805 [142]

Answer:

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Step-by-step explanation:

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daser333 [38]

B imakes the most sense so I agree it is b

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