2 years ago

Given the Arithmetic Sequence 9,12,15,18,21,...find the formula

Mathematics

1 answer:

Georgia [21]2 years ago

6 0

Answer:

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I will mark brainliest XD

Usimov [2.4K]

Answer:

First one A and D

Second A and C

Third A and D

Fourth 20 / 4 = X

X = 5

Step-by-step explanation:

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2 years ago

Find the triangle of largest area that has two sides along the positive coordinate axes if its hypotenuse is tangent to the grap

const2013 [10]

5e-x if you really look at it i's 5e-x

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ILL GIVE YOU BRAINLIEST IF YOU GET IT RIGHT AND EXPLAIN A circular walkway surrounds a fountain.The fountain alone has a diamete

Hoochie [10]

Answer:

Step-by-step explanation:

$A_{circle}=\pi r^2\\\\A=\pi r_{walkway}^2-\pi r_{fountain}^2\\\\A=\pi(20^2-16^2)=244\pi$

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3 years ago

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Need help with these two question!!??

lawyer [7]

The measure of x in both parts is: 120°

Step-by-step explanation:

Part A:

We can clearly see that the figure in part a has six equal sides. So the given figure is a hexagon.

A hexagon has six equal sides in six equal interior angles.

Sum of interior angles of hexagon is 720°

So,

$Measure\ of\ one\ agnle=\frac{Sum\ of\ interior\ angles}{number\ of\ angles}\\=\frac{720}{6}\\=120$

Part B:

The figure is a Dodecagon with 12 sides.

The Dodecagon has 12 equal sides and angles.

The sum of internal angles of Dodecagon is 1440°

So,

$Measure\ of\ one\ angle=\frac{Sum\ of\ angles}{Number\ of\ angles}\\=\frac{1440}{12}\\=120$

The measure of x in both parts is: 120°

Keywords: Polygons, Hexagon

Learn more about polygons at:

#LearnwithBrainly

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3 years ago

Which of the following data sets is best described by a linear model

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Step-by-step explanation:

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