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MA_775_DIABLO [31]
2 years ago
12

Just look at the picture.....​

Mathematics
2 answers:
Umnica [9.8K]2 years ago
6 0
The answer is S25=925
bulgar [2K]2 years ago
5 0

Answer:

is equal to 925 i think cuz

Step-by-step explanation:

summation of arithmetic sequence

n=1 , 3n-2=3-2=1 , a=1, d=3.

sn=n+3n(n-1)

-------------

2

a=1 ,d=3 sn= n+3n(n-1)

------------

2

S25=25+3×25(25-1)

--------------

2

25+900=925

so the answer will be 925

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Can i get some help. To clarify this is homework not a test or etc...
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Step-by-step explanation:

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3 years ago
A rectangle has a perimeter of 108 units. The length of the rectangle is 2x+8 units and the width is 3x -4 units. Find the value
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8 0
3 years ago
nate spent 3/8 of his money on clothes .he spent £510 on clothes.calculate how much money he had left over?​
Artist 52 [7]

Answer:

  £850

Step-by-step explanation:

We can compute the left-over amount by comparing that to the amount spent.

__

<h3>setup</h3>

Written as ratios, we have ...

  spent : left-over = 3/8 : 1 -3/8 = 3/8 : 5/8 = 3 : 5

Writing this using fractions, we have ...

  left-over / spent = 5 / 3

<h3>solution</h3>

Solving for left-over gives ...

  left-over = spent × (5/3) = £510×5/3 = £850

Nate had £850 left over.

_____

<em>Additional comment</em>

Nate's money totaled £510 +850 = £1360.

The fraction spent is £510/£1360 = 3/8, as required.

5 0
3 years ago
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