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7nadin3 [17]
3 years ago
8

What is the coefficient in the inequality 3x=10?

Mathematics
1 answer:
Liula [17]3 years ago
5 0
15 until i have a 525 inch piece for you to 6161
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76.00 km = ft?<br><br><br><br> Please someone help me
kifflom [539]

Answer:

76.00 km = 249344 ft.

4 0
3 years ago
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Show that 1n^ 3 + 2n + 3n ^2 is divisible by 2 and 3 for all positive integers n.
Dmitry_Shevchenko [17]

Prove:

Using mathemetical induction:

P(n) = n^{3}+2n+3n^{2}

for n=1

P(n)  = 1^{3}+2(1)+3(1)^{2} = 6

It is divisible by 2 and 3

Now, for n=k, n > 0

P(k) = k^{3}+2k+3k^{2}

Assuming P(k) is divisible by 2 and 3:

Now, for n=k+1:

P(k+1) = (k+1)^{3}+2(k+1)+3(k+1)^{2}

P(k+1) = k^{3}+3k^{2}+3k+1+2k+2+3k^{2}+6k+3

P(k+1) = P(k)+3(k^{2}+3k+2)

Since, we assumed that P(k) is divisible by 2 and 3, therefore, P(k+1) is also

divisible by 2 and 3.

Hence, by mathematical induction, P(n) = n^{3}+2n+3n^{2} is divisible by 2 and 3 for all positive integer n.

3 0
3 years ago
I need help! Thanks!
tigry1 [53]
Its a , i had it yesterday and i got everything right dont worry :))
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Estimate each product 1/5 x 24
antoniya [11.8K]

Answer:

4.8

Step-by-step explanation:

Um, I'm not sure how to explain, but watch a khan academy video on it

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Pat is three times as old as she was 14 years ago. In seven years, she will be four times as old as she was 14 years ago. How ol
vekshin1
The answer is 21 Hope this helps
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