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3 years ago

Solve for x

Mathematics

1 answer:

Ivan3 years ago

5 0

9514 1404 393

Answer:

x = 4

Step-by-step explanation:

The measures of all angles in this geometry are 90 degrees.

21x +6 = 90

21x = 84 . . . . . subtract 6

x = 4 . . . . . . . divide by 21

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Step-by-step explanation:

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3 years ago

The first term of an arithmetic sequence is equal to four and the common difference is three. find the formula for the value of

hichkok12 [17]

The formula for the value of nth term is $a_{n}$ = 3n + 1

Step-by-step explanation:

The formula of the nth term in the arithmetic sequence is

$a_{n}=a+(n-1)d$ , where

a is the first term of the sequence
d is the common difference between each two consecutive terms

∵ The first term of an arithmetic sequence is equal to four

∴ a = 4

∵ The common difference is equal to three

∴ d = 3

- Substitute these values in the rule of the nth term

∵ $a_{n}=a+(n-1)d$

∴ $a_{n}=4+(n-1)3$

- Simplify it

∴ $a_{n}=4+3n-3$

∴ $a_{n}=1+3n$

The formula for the value of nth term is $a_{n}$ = 3n + 1

Learn more:

You can learn more about the sequence in brainly.com/question/7221312

#LearnwithBrainly

7 0

3 years ago

Express the area of the entire rectangle. Your answer should be a polynomial in standard form.

Alchen [17]

Unfortunately I do not know the rectangle you are speaking of, if you could provide the rectangle I would be happy to help.

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Ne4ueva [31]

It’s just y= 17x. There’s nothing added or subtracted, or else it wouldn’t be (0,0).

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2 years ago

What is the measure of BC? A)110 B)48 C) 96 D)55

MAVERICK [17]

Answer:

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Step-by-step explanation:

when you have an angle that goes to the end of a circle you divide it by two, if the end of the triangle went to O it would be 48 degrees

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3 years ago