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torisob [31]
2 years ago
7

Can I please get some help on this question ?

Mathematics
1 answer:
FrozenT [24]2 years ago
7 0

Answer:

Step-by-step explanation:

I will help u if you help me????

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How many sides does a polygon have whose total number of diagonals is 20?​
Bond [772]

Answer:

there would be <u>8</u><u> </u><u>sides</u> if there are 20 diagonals

6 0
3 years ago
two chefs are trying to break world record for the longest spaghetti. chef a measures his spaghetti strand to be 503 2/3 ft chef
zhuklara [117]
Lenght spaghetti chef a:
503 2/3ft= (503*3+2)/3=1511/3 =503,(6)
lenght spaghetti chef b:
503,66

Because 503,(6)>503,66
=> lenght spaghetti chef a > lenght spaghetti chef b
So, the winner must be chef a, but, if 503.66 rounds to 503.7, also 503(6) rounds to 503.7, and in this case
lenght spaghetti chef a= lenght spaghetti chef b
So, <span>chef a should protest the judges' decision, because his </span>lenght spaghetti is ≥ lenght spaghetti chef b.





4 0
3 years ago
Read 2 more answers
2x + 5y = 3<br> Plz helpppp
soldi70 [24.7K]
Is this what you’re looking for
y=-2/5x+3/5
3 0
3 years ago
Read 2 more answers
Nora had already read 30% of the book before her teacher assigned it to the class. She is choosing between two options to finish
guapka [62]

Answer:

Let p represent the # of pages in the book.  Then, Nora has already read 0.30p pages and has 0.70p pages left to read.

If she reads 25% pages/night, that means reading 0.25(0.70)p pages per night, or 17.5 pages/night.  If 28% p/n, that means 0.28(0.70)p pages/night, or 19.6p pages/night.

How many nights will it take Nora to finish the book if she reads 25% of 7/10 of the book per night?  Without any calculations, we can answer this by "4 nights, since she reads 1/4 of the unread portion of the book per night."

If she reads 28% of 7/10 of the book per night, that will require fewer nights:

First night:  28%

Second night:  28%  

Third night:  28%

 Total:  3(28%) = 84%

This leaves 16% to read on the final night.

This is one interpretation of what I think is a poorly worded question.

The author of this question might have meant reading 25% of the remaining unread pages per night, which leads to a different answer.

7 0
3 years ago
Ive been staring at this for a long time now, pls help<br>​
Luba_88 [7]

Answer:

9

Step-by-step explanation:

I replaced the missing variable with x and solved the equation from there.

6 0
3 years ago
Read 2 more answers
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