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2 years ago

Start at 200. creat a that multiples each number by two stop when you have 5 numbers.

2 answers:

4 0

200 times 2=400 times 2=800 times 2=1600 times 2=3200 times 2=6400. Put 6400 just in case if you like my answer please mark as brainliest.

Leokris [45]2 years ago

3 0

200

200*2 = 400

400*2 = 800

800*2 = 1600

1600*2= 3200

This is 5 numbers

If you want 5 numbers that are multiplies by 2

3200*2 =6400

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2 years ago

If 2^n + 1 is an odd prime for some integer n, prove that n is a power of 2. (H

vovikov84 [41]

Step-by-step explanation:

We will prove by contradiction. Assume that $2^n + 1$ is an odd prime but n is not a power of 2. Then, there exists an odd prime number p such that $p\mid n$ . Then, for some integer $k\geq 1$ ,

$n=p\times k.$

Therefore

$2^n + 1=2^{p\times k} + 1=(2^{k})^p + 1^p.$

Here we will use the formula for the sum of odd powers, which states that, for $a,b\in \mathbb{R}$ and an odd positive number $n$ ,

$a^n+b^n=(a+b)(a^{n-1}-a^{n-2}b+a^{n-3}b^2-...+b^{n-1})$

Applying this formula in 1) we obtain that

$2^n + 1=2^{p\times k} + 1=(2^{k})^p + 1^p=(2^k+1)(2^{k(p-1)}-2^{k(p-2)}+...-2^{k}+1)$ .

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3 years ago

Will ran 120 minutes in the past two days. He ran 20 more minutes the second day than the first day. how many minutes did he run

valentinak56 [21]

Here is the equation: x+(x+20) = 120

Since you can't combine anything yet, its x+x+20=120

You need to get x by itself

Minus 20 from both sides

Its x+x=100 now

Combine the x's which is now 2x

Now divide 100 by 2 which is 50

x=50
---------------

Lets check:

50+(50+20)=120

Now combine the numbers in the parentheses

Its now 50+70=120

50+70=120 and 70-50=20

As you can see, he ran 50 minutes the first day and 70 minutes the second day

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3 years ago