3 years ago

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Mathematics

1 answer:

WARRIOR [948]3 years ago

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Answer:

The perimeter is 240

Step-by-step explanation:

The side length is 60 and 60*4=240

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3 years ago

Which line has a constant proportionality of 4

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Line A

Step-by-step explanation:

Line A has a constant of proportionality (slope) of 4.

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2 years ago

If the given figure is rotated 90 degrees counterclockwise around the origin, what are

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Answer:

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3 years ago

What is the 38th term of 459,450,441,..

galina1969 [7]

Answer:

The 38th term of 459,450,441,.. will be:

$a_{13}=351$

Step-by-step explanation:

Given the sequence

$459,450,441,..$

An arithmetic sequence has a constant difference 'd' and is defined by

$a_n=a_1+\left(n-1\right)d$

computing the differences of all the adjacent terms

$450-459=-9,\:\quad \:441-450=-9$

$d=-9$

The first element of the sequence is

$a_1=459$

so the nth term will be

$a_n=-9\left(n-1\right)+459$

$a_n=-9n+468$

Putting n=38 to find the 38th term

$a_n=-9n+468$

$a_{13}=-9\left(13\right)+468$

$a_{13}=-117+468$

$a_{13}=351$

Therefore, the 38th term of 459,450,441,.. will be:

$a_{13}=351$

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3 years ago

Students in a class have to choose 4 out of 7 people who were nominated for the student council. How many different groups of st

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Answer:

Step-by-step explanation:

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3 years ago

Tried to solve but failed ​

Tried to solve but failed