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anastassius [24]
3 years ago
15

Ratna wrote that X plus X plus X is equivalent to X to the third power what error did she make

Mathematics
1 answer:
natali 33 [55]3 years ago
7 0
Usually when talking about powers the numbers or variables are multiplied but Ratna added instead.
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What are different solutions of 1x +2y = 12
miv72 [106K]

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x=12, y=6

Step-by-step explanation:

Very simple!

Just substitute 0 for y and solve for x!

x+2(0)=12 (anything times 0 equals 0!)

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Undo operation and explain why it works adding 28 and dividing by 17
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If sine of x equals square root of 2 over 2, what is cos(x) and tan(x)? Explain your steps in complete sentences.
Sergio039 [100]
Sin(x) = opposite over hypotenuse
Cos(x) = adjacent over hypotenuse
Tan(x) = opposite over adjacent

Everything revolves around a right triangle.
From the given equation, "<span>sine of x equals square root of 2 over 2"

Opposite = square root of 2
Hypotenuse = 2
Adjacent = ?

Using the Pythagorean Equation: H^2 = O^2 + A^2
2^2 = (square root of 2)^2 + A^2
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Cos(x) = square root of 2 over 2
Tan(x) = square root of 2 over square root of 2 = 1

</span><span>
</span>
5 0
3 years ago
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