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Contact [7]
3 years ago
15

Someone please help me I’ll give out brainliest please dont answer if you don’t know

Mathematics
2 answers:
zmey [24]3 years ago
8 0

Answer:

x = -7

Step-by-step explanation:

-2x + 4 = 18

-2 is (obviously) a negative number so you'd need to make it positive, so that makes x a negative number as well. and -2x means x and -2 are being multiplied by each other.

18 - 4 = 14 so we should divide 14 by 2 to see what x equals.

14 divided by 2 = 7.

x = -7

scZoUnD [109]3 years ago
4 0

Answer:

x=-7

Step-by-step explanation:

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4 years ago
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Find the first four terms of the recursive sequence defined by the following formula: an = an-1 4 where a4 = 2 1 4 , , , 2 1 4.
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The first four-term of the sequence is found by the given equation a_{n-1} = 4a_n is given as 144, 36, 9, and 9/4.

<h3>What is a sequence?</h3>

A sequence is a list of elements that have been ordered in a sequential manner, such that members come either before or after.

The given equation will be

\rm a_n = \dfrac{a_{n-1}}{4} \\\\a_{n-1} = 4a_n

And

a_4 = 2 \dfrac{1}{4} = \dfrac{9}{4}

For n = 4, we have

\rm a_{4-1} = 4a_4\\\\a_3 \ \ \  = 4*\dfrac{9}{4} \\\\ a_3 \ \ \ = 9

For n = 3, we have

\rm a_{3-1} = 4a_3\\\\a_2 \ \ \  = 4*9 \\\\ a_2 \ \ \ = 36

For n = 2, we have

\rm a_{2-1} = 4a_2\\\\a_1 \ \ \  = 4*36 \\\\ a_1 \ \ \ = 144

More about the sequence link is given below.

brainly.com/question/21961097

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2 years ago
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Answer:

Hope this helps!

Step-by-step explanation:

PDF stands for portable document format. Essentially that format is used when you need to save files that cannot be modified but still need to be easily shared and printed.

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