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3 years ago

Which recursive sequence would produce the sequence 6, 20, 62, …

Mathematics

1 answer:

klasskru [66]3 years ago

4 0

Step-by-step explanation:

Using an online calculator, I was able to find that one pattern is

$a_{n} = a_{n-1} + 14 * 3^{n-1}$ . Finding a recursive sequence is generally based on guess and check, so there isn't much explanation to obtaining one

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Alex Ar [27]

Answer:

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Step-by-step explanation:

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3 years ago

Find a solution to the system. Make sure to write as a coordinate.

RUDIKE [14]

Answer:

x=2, y=3

Step-by-step explanation:

This is a system of equations.

To solve a system of equations, we use the substitution method.

We can plug in the first equation, $x=2y-4$ , into the value for x in the second equation. Now, the second equation looks like this:

$2*(2y-4)+y=7$

We simplify and solve for y:

→ $4y-8+y=7$

→ $5y=15$

→ $y=3$

Now, we plug in the value for y, which is 3, into either equation. I will just use the first equation:

→ $x=2*3-4$

→ $x = 2$

Let me know if my explanation is unclear.

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3 years ago

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Answer:

(b) the unknown angle is 80°

Step-by-step explanation:

The unkown angle is:

[2(x-10)]°

Substituting "x" by 50 (part a)

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3 years ago

Which exponential expression is equal to 2−5·28

gizmo_the_mogwai [7]

Answer:

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Step-by-step explanation:

Solve the answer 2-5*28 = -138

This would have no answer since an exponential expression can't equal an negative unless it's a negative answer, but in this case, there is no answer that would get you -138.

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zmey [24]

Answer:

Step-by-step explanation:

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2 years ago

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