3 years ago

What is the value of y^2-x^4y

Mathematics

1 answer:

Daniel [21]3 years ago

4 0

Answer:

Step-by-step explanation:

y²-x⁴

y=9, x=2

9²-2⁴ = 81-16 = 65

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3 years ago

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Suppose the length of segment BE is 11 cm. Which is the BEST ESTIMATE for segment GH?

JulijaS [17]

Answer: C) 5.5 cm.

Step-by-step explanation:

From the given , it can be clearly seen that in triangle DBE , G and H are the midpoints of segment DB and DE respectively.

Also, GH is parallel to BE. [By Converse of Basic proportionality theorem]

Length of BE= 11 cm.

Further more,

$\dfrac{DB}{DG}=\dfrac{BE}{GH}\\\\\Rightarrow\dfrac{2DG}{DG}=\dfrac{11}{GH}\ \ [{DG=GB,\therefore\ DB=2DG }]$

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Hence, the BEST ESTIMATE for segment GH is 5.5 cm.

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Converse of Basic Proportionality Theorem says that when a line (or a segment) divides any two sides of a triangle in equal proportion then the line ought to be parallel to the remaining third side.

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