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trasher [3.6K]
3 years ago
9

Tony is installing a new doorway to his back yard. He cuts a hole into his back wall, but it must

Mathematics
2 answers:
Andrew [12]3 years ago
8 0

Answer:

Yes, Tony did succeed in cutting a rectangle with right angle corners.

Step-by-step explanation:

If the cut rectangle has right angle corners, then the Pythagorean theorem would work.

Verify using the Pythagorean theorem.

7.5^2+4^2 = 8.5^2

72.25 = 72.25

The two sides of the equations are equal, so the Pythagorean theorem works.

Therefore, Tony did succeed in cutting a rectangle with right angle corners.

mixas84 [53]3 years ago
4 0

Step-by-step explanation:

77fxr7x7rxr7rxy09tc8tcc8tc8t8tcv9ygciigcog 9g 9g o GB log g ooo vogvoggvoog of oy

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Step-by-step explanation:

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A bag contains yellow marbles and blue marbles, 73 in total. The number of yellow marbles is 7 more than 5 times the number of b
Roman55 [17]

Answer:

number of yellow marbles=62.

Step-by-step explanation:

It is given that in a bag there are yellow marbles and blue marbles and the total number of marbles=73.

Let the number of Blue marbles=x, then according to the question, number of yellow marbles will be =5x+7.

Now, Total number of marbles= number of yellow marbles+number of blue marbles.

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⇒66=6x

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Therefore, numberof blue marbles=x=11 and

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Step-by-step explanation:

x + 8x + 15              Combine liked terms

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