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const2013 [10]
2 years ago
9

One thousand and twenty students participated in the school math contest.

Mathematics
1 answer:
Tema [17]2 years ago
6 0

Answer:

sample 1: 75

sample 2: 86

Step-by-step explanation:

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The answer would have to be D 1/4
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3 years ago
Three times a number (n) is 36 less than five times the number (n). What is the number?
rodikova [14]

Answer:

18

Step-by-step explanation:    

To find the number, write an algebraic equation with the given information. Let the variable n represent the unknown number.

Now, break it by parts - "three times a number" would be 3n. The "is" means that it equals something, giving us 3n =. "36 less than 5 times the number" would be subtracting 36 from whatever 5 times the number is: 5n -36. So, put it all together and it is 3n = 5n-36.

Next, solve the equation for n. The answer will be the number.

3n = 5n-36\\0 = 2n - 36\\36 = 2n \\n = 18

Thus, the number is 18.

5 0
3 years ago
Read 2 more answers
The side of a triangle with 3 equal sides is 7 inches shorter than the side of a square. The perimeter of the square is 39 inche
Aleksandr [31]

 length of  square = 18


x = side of square

x-7 = side of triangle

3(x-7) + 39 = 4x

3x-21 + 39 = 4x

3x+18 = 4x

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square    18x4 =72(perimeter square)

triangle side  (18-7=11)

11x3 = 33(perimeter triangle) 

72-33=39

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3 years ago
Write 3/10 as a decimal number​
Thepotemich [5.8K]

Answer:0.3 there I said it

Step-by-step explanation:

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3 years ago
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ERROR ANALYSIS Describe and correct the error in the statement about the relation shown in the table.
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Wait so the answers are down here right?
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