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3 years ago

Please!!

2 answers:

8 0

It is Arithmetic. It follows a pattern of divide by 2, which gives it the name "Arithmetic" and you can think of it as "Arithmic," which sounds like rythm. It follows the rythm of Divide by 2. Hope this helps, and let me know if I made any mistakes!

marta [7]3 years ago

6 0

Arithmetic is a sequence that you constantly add or subtract by only 1 number. For example: 30, 25, 20, 15, etc. You are constantly subtracting 5; or 15, 20, 25, 30, etc. You are constantly adding 5. So these sequences would arithmetic. Geometric is when you divide or multiply by only 1 number. For example: 5,,25, 125, 625, etc. You are constantly multiplying the numbers by 5; or 625, 125, 25, 5, etc. You are constantly dividing by the number 5. So, these would be geometric. 1.6, 0.8, 0.4, 0.2 would be a geometric sequence. Geometric is the correct answer, because you are constantly dividing by 2.

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Lostsunrise [7]

Answer:

A) 50

B) 20

C) 20

Step-by-step explanation:

To solve the first question, we can multiply both sides by 10.

Thus, we get:

6x = 300.

Then, divide by 6, to get x:

x = 50.

You can do the same thing to all of these questions.

I've already checked the answers, but if you don't trust them, just pluck the values in.

For example, let's check the answer for question A.

0.6*50 is supposed to equal 30.

Does it equal? Yes, so we know that the answer is correct.

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3 years ago

How do you decide if a decimal is a rational number?

Bogdan [553]

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3 years ago

Use algebraic rules of equations to predict the solution type to the system of equations. Include all of your work for full cred

stira [4]

Answer: infinitely many solutions

Step-by-step explanation: 6y = -3x + 30 rewrites to 3x + 6y = 30

1. align equations x + 2y = 10

3x + 6y = 30

2. multiply first equation by -3 to get -3x - 6y = -30

3. align equations -3x - 6y = -30

3x + 6y = 30

4. add the equations and you they cancel out, which means infinitely many solutions

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3 years ago