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stepladder [879]
4 years ago
6

Study the geometric sequence {-4, -84, -1764, -37044, ...}.

Mathematics
1 answer:
Nonamiya [84]4 years ago
3 0

Answer:

              \bold{a_n=(-4)21^{n-1}}

Step-by-step explanation:

a_1=-4\,,\ a_2=-84\,,\ a_3=-1764\,,\ a_4=-37044\quad\implies\ \ r=21

{-84:(-4)=21 and -1764:(-84)=21 and -37044:(-1764)=21}

geometric sequence formula:   a_n=a_1r^{n-1}

a_1=-4\quad and \ \ r=21

a_n=(-4)21^{n-1}

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Which polygons are congruent?<br><br> Select each correct answer.
maks197457 [2]

Answer:

Bottom Right: Following CPCTC (Corresponding Parts of Congruent Triangles are Congruent), we can see that the corresponding parts are congruent (for example, UV ≅ XY, ∠W ≅ ∠T, etc.)

Bottom left: Again, CPCTC.

DE ≅ QP

∠E ≅ ∠Q

etc.

Not B), because, while BC ≅ GH, the angles are not all the same, which makes it non-congruent.

Not A), because while they both have right angles, the sides are not congruent (cannot be simplified to the same ratio).

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4 0
3 years ago
What is 2500 times (1.06) raised to the 5th power?
Fantom [35]
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4 0
3 years ago
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What is the answer <br> And how did you get it
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4 0
4 years ago
Please help fast I will give brainless an extra points!
vladimir2022 [97]

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4 0
3 years ago
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Virty [35]

Answer:

<em>720</em>

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Step-by-step explanation:

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n!= n(n-1)(n-2)...1

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Similarly

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3 years ago
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