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Ganezh [65]
3 years ago
6

Find the product (2x^2+tv)(3x^2-3tv)

Mathematics
1 answer:
vodka [1.7K]3 years ago
5 0
= 2x^2 * 3x^2 + - 2x^2 * 3tv + 3x^2tv -  3t^2v^2

=   6x^4 - 6x^2tv + 3x^2tv - 3t^2v^2

=  6x^4 - 3x^2tv - 3t^2v^2
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If the height of a triangle
Dvinal [7]

Answer:

75 cm

Step-by-step explanation:

To find the area of a traingle you use the following equation

b*h*.5

We know that the height of the triange is three times the base and that the area is 937.5

This means that

b*3b*.5=937.5

We can combine this and get 1.5b^2=937.5

We can then divide by 1.5 to get b by itself

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Then take the square root for our answer and get b=25 (while be also can be -25 it doesn't make sense to have a negative answer in the context of this problem)

So we know that b=25 and that h=3b which means that the height is 75 cm

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Through SAS, we can say that triangles XNY and ZNW are congruent

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If you repeat those steps above, but focus on triangles WNX and YNZ, we can prove that XW || YZ

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After proving that XY || WZ and XW || YZ, this is enough to prove we have a parallelogram as the opposite sides are parallel.

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