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3 years ago

Find the measure of the marked angles 4x+22 is 3x+26 is 9x+20 is

Mathematics

1 answer:

nasty-shy [4]3 years ago

8 0

Answer:

the angle are 50, 47, 83

Step-by-step explanation:

we know that the sum of the three angles of the triangle is 180 degree

now, 4x+22+3x+26+9x+20=180

x=7

the angle are 50, 47, 83

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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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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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