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Amiraneli [1.4K]
3 years ago
14

Which statement about the pair of equations is true?

Mathematics
1 answer:
denpristay [2]3 years ago
7 0
I say the answer I c. sorry if I'm wrong tho
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A large bag of marbles contains an equal amount of red, orange, yellow, blue, and green marbles. Quinn randomly selects 1 marble
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A recursive rule for a geometric sequence is
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Answer:

C. a_n=(9)(\frac{2}{3})^{n-1}

Step-by-step explanation:

Iterative geometric sequence:

a_n=a_1x^{n-1}

Recursive geometric sequence:

a_n=xa_{n-1}

The equations are very similar and you only really need to rearrange it. The factor (2/3) and the first term (9) are given, so you can write the iterative equation:

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And so the answer is C.

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2 years ago
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In rectangular form, we have the coordinates (3\cos\pi,3\sin\pi)=(3\cdot -1,3\cdot 0)=\boxed{(-3,0)}.

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2 years ago
Write a Let" statement for the unknown, write an equation, and solve the equation. 11. Jane bought a number of records for $7 ea
Advocard [28]

Let n = number of records.

Each record costs $7, so n records cost 7n.

She then spent $3, so the total spent is 3n + 3.

She spent a total of $24, so 3n + 3 must equal 24. That gives us the following equation.

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Subtract 3 from both sides.

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Divide both sides by 7.

n = 3

Answer: She bought 3 records.

3 0
3 years ago
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