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Mathematics

2 answers:

saveliy_v [14]3 years ago

5 0

Answer:

8.50

Step-by-step explanation:

Find the unit rate.

51/6 = 8.5

7nadin3 [17]3 years ago

4 0

Answer:

$8.50

Step-by-step explanation:

51 ÷ 6 = 8.5

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Is 12.89 a irrational number

shtirl [24]

12.89 can be written as 1289/100, hence its a rational number.

5 0

3 years ago

Can you help me i dont know thw anwser

Margaret [11]

$\text{Let the side of square 1, square 2 and square 3 be x, y and z respectively.}\\\\\text{Given that,}\\\\\text{Perimeter of square 1,~~ p =100 units.}\\\\\text{So}~ x=\dfrac p 4 = \dfrac{100}4 =25~\text{units.}\\\\\\\text{Area of square 2, a = 225 units}^2\\\\\text{So}~y = \sqrt{a} = \sqrt {225} = 15~ \text{units.}\\\\\text{Use Pythagorean theorem to find z}^2\\\\x^2 =y^2 +z^2 \\\\\implies 25^2 = 15^2 +z^2\\\\\implies z^2 = 625 - 225 = 400\\\\\\$