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frez [133]
3 years ago
15

Rewrite in simplest terms: (x+10y)-(x+5y)(x+10y)−(x+5y)

Mathematics
1 answer:
Solnce55 [7]3 years ago
3 0

Answer:

-x^2-15xy-50y^2+14y

Step-by-step explanation:

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Two triangles can be formed with the given information. Use the Law of Sines to solve the triangles. A = 55°, a = 12, b = 14
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The way you'd set it up would be sin55º/12=sinB/14 (you could also flip the equation so that 12/sin55º=14/sinB, you'll get the same answer either way). Multiply out so that its 14•sin55º=12•sinB, or 11.47=12•sinB. Divide both sides by 12 so that it looks like .96=sinB, then take arcsine of both sides (arcsin= x=sin^-1 theta+360n or x=180- (sin^-1 theta)+360n), which should give you about 72.88º and 107.12º.
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Transversal t cuts parallel lines a and bas shown in the diagram. Which equation is necessarily true?
irina1246 [14]

Answer:

Option D is correct

Step-by-step explanation:

Using the given diagram, we want to know the equation that is true

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Option B is not correct as both are supplementary and does not equal each other

Option C is not correct, both are corresponding to each other and should not add up to 90

Option D is correct

Both angles are supplementary as they are exterior angles that add up to 180

4 0
3 years ago
Will give brainlst <br> Have a nice day
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Answer and Step-by-step explanation:

The answer is 5 units.

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Answer:

1. (28-2)x

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Step-by-step explanation:

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