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Evgen [1.6K]
3 years ago
14

2\3 a certain number reduced by 11 is equal to 4 more than that number. Find the number (show work)

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
4 0
11 - 2/3n = 4 + n
n + 2/3n = 7
3n^2 + 2 = 21n
3n^2 - 21n + 2 = 0
n = 6.903 , n = 0.09657
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Explanation plsss..​
ollegr [7]

Answer:

You will need 20 sides to complete the loop.

Step-by-step explanation:

The question isn't quite clear given how small the corner is, but I assume that we are looking to complete the circle if the pentagon and square are repeated in a loop

We can also see - assuming that those are proper equal-sided polygons, that PQ is the same length as PV

With that in mind, We can solve this by noting that the angle of a corner in a square is 90 degrees, and in a pentagon it's 108 degrees.

108 - 90 is equal to 18. This means that PQ is at eighteen degrees to YP. Also, QM, (which will be equivalent to the next VP is eighteen degrees to PQ.

This means that each polygon is rotated 18 degrees relative to it's neighbour.

With all that we can say that the total polygons we need to form a circle is 360/18 = 20, So you will need 20 polygons, or ten squares and ten pentagons to complete the loop.

4 0
3 years ago
The largest perfect square factor of 252 is _____
slega [8]

Answer:

18

Step-by-step explanation:

252 is a composite number. The exponents in the prime factorization are 2, 2, and 1. Adding one to each and multiplying we get (2 + 1)(2 + 1)(1 + 1) = 3 x 3 x 2 = 18. Therefore 252 has 18 factors.

5 0
3 years ago
Simplify 16k/7k a) k+23 b) 9k c) 23k d) 23k^2
alexira [117]

Answer:

16/7

Step-by-step explanation:

16k / 7k

Divide the numbers

16/7  

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3 0
4 years ago
The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 3 to 5. If there were 4
kow [346]

Answer:

1551 Yes voters

Step-by-step explanation:

Yes : No

3 : 5

total = 4136

add up both no and yes :3+5 =8

8 will be the total ratio of voters

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3/8 × 4136

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6 0
3 years ago
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maks197457 [2]

Answer:

1)30.000

2)4

3)0,1

4)500

5)2.000

6 0
3 years ago
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