3 years ago

Find the distance between the points (6, -2) and (9,4)

Mathematics

1 answer:

Alex73 [517]3 years ago

6 0

Distance is 3 sqrt 5

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What is the value of the expression 5/7 divided by 8/9

kirill115 [55]

45/56
5/7 divided 8/9
5/7 times 9/8
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4 years ago

If the discount is 27%, then what percentage of the original price do you pay? Please give an explanation as well if you can! Th

lina2011 [118]

100-27=73
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3 years ago

the arithmetic sequence ai is defined by the formula: a1 = -53 ai = ai-1 + 6 find the sum of the first 880 terms in the sequence

maxonik [38]

Answer:

The sum of the first 880 terms in the sequence is 2,273,920.

Step-by-step explanation:

Arithmetic sequence:

The difference between consecutive terms is always the same, called common difference, and the nth term is given by:

$a_{n} = a_0 + (n-1)d$

In which d is the common difference.

Sum of the first n terms:

The sum of the first n terms of an arithmetic sequence is given by:

$S_{n} = \frac{n(a_1+a_n)}{2}$

ai = ai-1 + 6

This means that $d = 6$

In this question:

Sum of the first 800 terms, so $n = 800$

First term is -53, so $a_1 = -53$

The 880th term is:

$a_{880} = -53 + (880-1)*6 = 5221$

Sum

$S_{n} = \frac{880(-53+5221)}{2} = 440(-53+5221) = 2273920$

The sum of the first 880 terms in the sequence is 2,273,920.

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3 years ago

What is the uniqueness of comeplex integration from line integaration?

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In normal line integration, from what I understand, you are measuring the area underneath (,)
f
(
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,
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along a curve in the -
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I need help pls dont troll I need this thxxx wan to be friends

oksian1 [2.3K]

I hope this helps! I also explained each step

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3 years ago