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irina1246 [14]
2 years ago
13

What is (x^-2 y^10)^2/x^5 y^-3 using only positive exponents

Mathematics
1 answer:
Eddi Din [679]2 years ago
8 0

Answer:

\frac{(x^{ - 2}{y}^{10})^{2}  }{ {x}^{5}  {y}^{ - 3} }  \\   \frac{ {x}^{ - 4}  {y}^{20} }{ {x}^{5}  {y}^{ - 3  } }  \\   {x}^{ - 9}  {y}^{23} \\  \frac{ {y}^{23} }{ {x}^{9} }  \\ ans \: c

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What is the height of this isosceles triangle?
erastova [34]

Answer:

height ≈ 11.9 units

Step-by-step explanation:

Construct a perpendicular bisector from the vertex to the base, thus splitting the triangle into 2 right triangles.

Using the sine ratio in one of these right triangles, then

sin48° = \frac{opposite}{hypotenuse} ( the opposite is the height h )

sin48° = \frac{h}{16} ( multiply both sides by 16 )

16 × sin48° = h , thus

h ≈ 11.9 ( to the nearest tenth )

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The third option, 100*

making it an abtuse triangle

If incorrect, sorry

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3 years ago
A system of equations that has at least one solution is called inconsistent.
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