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azamat
3 years ago
10

Use properties of addition ( 2/5 + 5/9 ) + 7/9 =

Mathematics
1 answer:
Katen [24]3 years ago
3 0
Is it supposed to be a fraction or a whole number or a mixed number?
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An open topped fish tank has a length of 30 inches width of 10 1/2 inches and the height of 12 inches what is the volume of the
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Answer:

Step-by-step explanation:

height of water = ¾×12 = 9 inches

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The difference between the squares of two consecutive numbers is 23. what are the two numbers?
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(x+1)^2-x^2=23

x^2+2x+1-x^2=23

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x=11

11^2 = 121

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12^2=144

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