3 years ago

What is the area of this irregular figure O 54 cm? O 72 cm? O 216 cm? 432 cm?

Mathematics

2 answers:

max2010maxim [7]3 years ago

8 0

Answer:

Step-by-step explanation:

I took the test just now

Musya8 [376]3 years ago

4 0

Answer:

Step-by-step explanation:

Area= height x width

12 X 6 = 72

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Find the tenth term of the geometric sequence, given the first term and common ratio.

Natalija [7]

Answer:

$a_{10}=\dfrac{1}{128}$

Step-by-step explanation:

In the geometric series:

$a_1=4\\ \\r=\dfrac{1}{2}$

The nth term of the geometric sequence can be calculated using formula

$a_n=a_1\cdot r^{n-1}$

In your case, n = 10, then

$a_{10}\\ \\=4\cdot \left(\dfrac{1}{2}\right)^{10-1}\\ \\=4\cdot \left(\dfrac{1}{2}\right)^9\\ \\=2^2\cdot \dfrac{1}{2^9}\\ \\=\dfrac{1}{2^{9-2}}\\ \\=\dfrac{1}{2^7}\\ \\=\dfrac{1}{128}$

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3 years ago

a triangle has verticals A(-5,-4), B(2,6), C(4,-3) The center of dilation is the origin and (x,y) (3x,3y). what are the vertices

Gnom [1K]

A' (3(-5),3(-4))= (-15,-12)

B' (3(2),3(6))=(6,18)

C'(3(4),3(-3))=(12,-9)

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2 years ago

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Anna007 [38]

Answer:

9+- 1.7

Step-by-step explanation:

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Solve for x:<br> - 3x – 9= - 1

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X = -8/3

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3 years ago

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OLEGan [10]

I would say it’s A....

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3 years ago