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Charra [1.4K]
3 years ago
8

Someone please help it’s for home work

Mathematics
1 answer:
kifflom [539]3 years ago
8 0
1 6 dis 9/3 please please come out with the best way
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PLEASE HELP ME WITH THIS MATH TEST
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Hello, no rush, but I need to know the answer for 4(x-2+y)
bixtya [17]

Answer:

It's 4x - 8 + 4y

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4(x-2+y)

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3 0
3 years ago
Use mathematical induction to show that 4^n ≡ 3n+1 (mod 9) for all n equal to or greater than 0
cestrela7 [59]
When n=0, you have

4^0=1\equiv3(0)+1=1\mod9

Now assume this is true for n=k, i.e.

4^k\equiv3k+1\mod9

and under this hypothesis show that it's also true for n=k+1. You have

4^k\equiv3k+1\mod9
4\equiv4\mod9
\implies 4\times4^k\equiv4(3k+1)\mod9
\implies 4^{k+1}\equiv12k+4\mod9

In other words, there exists M such that

4^{k+1}=9M+12k+4

Rewriting, you have

4^{k+1}=9M+9k+3k+4
4^{k+1}=9(M+k)+3k+3+1
4^{k+1}=9(M+k)+3(k+1)+1

and this is equivalent to 3(k+1)+1 modulo 9, as desired.

3 0
3 years ago
Can someone help me plz I will make brainliest. For correct answers only
VladimirAG [237]

Answer:

Step-by-step explanation:

1). Distributive Property of  multiplication over subtraction (Distributing the 5 and the 2)

2). Communtative Property of Equality (Moving terms around)

6 0
3 years ago
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