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Butoxors [25]
4 years ago
14

Is 13 a perfect square

Mathematics
1 answer:
ladessa [460]4 years ago
8 0
1^2=1 \\ 2^2=4 \\ 3^2=9 \\ 4^2=16 \\ 5^2=25 \\ 6^2=36 \\ 7^2=49 \\ 8^2=64 \\ 9^2=81 \\ 10^2=100 \\ 11^2=121 \\ 12^2=144 \\ \boxed{13^2=169} \\  14^2=196 \\ 15^2=225 \\
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BabaBlast [244]

Answer:

x=3 or x= 1/3

Step-by-step explanation:

Let the number = x

The reciprocal of the number = 1/x

According to the given statement:

x+1/x=10/3

x²+1/x=10/3

3(x²+1)=10x

3x²+3=10x

Move 10x to the L.H.S

3x²-10x+3=0

Break the middle term:

3x²-9x-x+3=0

3x(x-3)-1(x-3)=0

(x-3)(3x-1)=0

x-3=0 , 3x-1=0

x=0+3 ,  3x=0+1

x=3    , 3x=1

x=3    ,x = 1/3

So x=3 or x= 1/3 ....

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3 years ago
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4 years ago
Tranh has a total of 240 basketball cards. He has filled 3 identical albums and has 150 cards remaining. How many cards are in e
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How do you find the quotient of -4.8 divided by 0.6
Dafna11 [192]

Answer:

Step-by-step explanation:

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Step-by-step explanation:

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