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Galina-37 [17]
3 years ago
8

a chessboard has 64 squares at a chess tournament 84 chessboards were used how many squares are there on 85 chessboards

Mathematics
2 answers:
jasenka [17]3 years ago
5 0
There are 5376 squares on all of the chessboards because 84 x 64= 5376
lidiya [134]3 years ago
5 0

Answer:

5,440 squares.

Step-by-step explanation:

We have been given that a chessboard has 64 squares. At a chess tournament 84 chessboards were used.

To find the number of squares on 85 chessboards, we will multiply number of squares on each chess board by number of total chess boards.

\text{The number of squares on 85 chessboards}=\frac{\text{64 squares}}{\text{Chess board}}\times \text{85 chess boards}

\text{The number of squares on 85 chessboards}=\text{64 squares}\times 85

\text{The number of squares on 85 chessboards}=5440\text{ squares}

Therefore, there are 5440 squares on 85 chess boards.

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Two and one two divided by four and four fifths
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2 1/2 / 4 4/5
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Which set of side lengths is a Pythagorean triple??? Please help
kodGreya [7K]

Answer:

C) 9,40,41

Step-by-step explanation:

Pythagorean triple is when a²+b²=c²

A) 1,3,10

  • 1+9=100 - incorrect

B) 4,5,9

  • 16+25=81- incorrect

C) 9,40,41

  • 81+1600= 1681- correct

D) 16,30,44

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4 0
3 years ago
Solve for x. 3x/4 - X/12 =7/8 simplify your answer in fraction form ​
Usimov [2.4K]

Answer:

7/3

Step-by-step explanation:

or, 3x/4 - 7/8 = 7/8

or, 3x/4=7/8+7/8

or, 3x/4 = (7+7)/8

or, 3x/4 = 14/8

or, 3x = (14/8)*4

or, 3x=56/8

or, 3x= 7

or, x=7/3

5 0
3 years ago
To eliminate the y terms, you can multiply the first equation by 5 and the second equation by what number?
gladu [14]

Step-by-step explanation:

the second equation should be multiplied by 9

6 0
3 years ago
What is the best estimate of the sum of the fraction? 31/4 +17/3 +8/18
Bogdan [553]

The best estimate of the sum of the expression given is \rm 13 \dfrac {31}{26}

What is a Fraction ?

A fraction is written as p/q , where q \rm \ne 0

It is asked to determine the sum of the fraction

31/4 + 17/3 + 8/18

Taking the LCM of 4 , 3 , 18

LCM of 4 , 3 ,18 is 36

Therefore

\rm \dfrac{ 31 *9 + 17 *12 + 8 *2}{36 }

(279+204+16) /36

499 / 36

\rm 13 \dfrac {31}{26}

Therefore the best estimate of the sum of the expression given is \rm 13 \dfrac {31}{26}.

To know more about Fraction

brainly.com/question/10354322

#SPJ1

3 0
2 years ago
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