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2 years ago

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Are you a Christian? If so, please join my go o gle cla s s r oom. You don't have to be a Christian. If you want to know more ab

out God, I strongly suggest you join this g oo gle cl a s sr oom. The cl a s sroo m code is below! Thanks!
t5ffm52

2 answers:

Lapatulllka [165]2 years ago

8 0

It doesn’t let me join!

kykrilka [37]2 years ago

7 0

Answer:

g.o.o.g.l.e. m.e.e.e.t?

Step-by-step explanation:

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The exchange rate of U.S. dollars to British pounds is .63. You have $4000 to convert to British pounds (£). How many British po

Reika [66]

Answer: £2520

Step-by-step explanation:

You have $4000 to convert to British pounds (?). 4,000*.63=2,520.

7 0

2 years ago

Show that 3 · 4^n + 51 is divisible by 3 and 9 for all positive integers n.

-BARSIC- [3]

Answer:

Step-by-step explanation:

Hello, please consider the following.

$3\cdot 4^n+51=3\cdot 4^n+3\cdot 17=3(4^n+17)$

So this is divisible by 3.

Now, to prove that this is divisible by 9 = 3*3 we need to prove that

$4^n+17$ is divisible by 3. We will prove it by induction.

Step 1 - for n = 1

4+17=21= 3*7 this is true

Step 2 - we assume this is true for k so $4^k+17$ is divisible by 3

and we check what happens for k+1

$4^{k+1}+17=4\cdot 4^k+17=3\cdot 4^k + 4^k+17$

$3\cdot 4^k$ is divisible by 3 and

$4^k+17$ is divisible by 3, by induction hypothesis

So, the sum is divisible by 3.

Step 3 - Conclusion

We just prove that $4^n+17$ is divisible by 3 for all positive integers n.

Thanks

4 0

3 years ago

7+2x /3 = 5 <br> Thx.......................

mote1985 [20]

Answer:

x= -3

Step-by-step explanation:

7+ $\frac{2x}{3}$ = 5

21+2x=15

2x=-6

x= -3

4 0

2 years ago

Read 2 more answers

A spinner and 6 cards are shown below:

Tems11 [23]

Answer:

1 over 18

Step-by-step explanation:

The spinner has 3 segments and he spun it 1 time. So, he has a 1 in 3 chance of landing on green.

There are 6 cards so he has a 1 and 6 chance of picking up the yellow card.

Multiply those and you have 1 over 18

Done!

3 0

2 years ago

The glee club needs to raise money for the spring trip to Europe, so the members are assembling holiday wreaths to sell. Before

Ksju [112]

Answer:

5 pinecones on the deluxe wreath and 4 pinecones on the regular wreath

Step-by-step explanation:

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2 years ago

Read 2 more answers