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I am Lyosha [343]
4 years ago
10

20- -4 what is the answer someone tell me

Mathematics
2 answers:
Yanka [14]4 years ago
6 0
The answer is 24!
Calculators help!
zhenek [66]4 years ago
3 0

(-)(-)=(+)\\\\(-)(+)=(+)(-)=(-)\\\\(+)(+)=(+)\\\\20-(-4)=20+4=24

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Answer:

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Step-by-step explanation:

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If x varies inversely as the square of y and if x=3 when y=-1, what is the value of x when y =3
lyudmila [28]

Answer:

x would be (1/3) when y = 3.

Step-by-step explanation:

The question states that x varies "inversely" as y^2. In other words, there is a non-zero number a (a constant) such that:

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Hence, the relation between x and y becomes:

\displaystyle x = \frac{3}{y^2}.

Find the value of x when y = 3 by replacing the y in this equation with 3.

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Answer:

Option 2

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