Helpppp! I have no idea what to do..

Mathematics

1 answer:

tatiyna3 years ago

3 0

Answer:

For number 3 the answer is vertical angels are congruent.

For number 4 the answer is Reflexive property.

And for number 5 i believe the answer would be Angle Side Angel

Step-by-step explanation:

i hope this helps

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y=5.6

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3 years ago

Look down below for question:

ale4655 [162]

Area of ABC : AB*AC/2

the maximum of the parabola is reached at x=-4/(2*(-1))=2 hence A is at (2,0) and B is at (2,(-2)^2+4*2+C)=(2,12+C)

C is the second root (x-intersect), which we can find :

determinant1 : D=16-4*(-1)*C=4(4+C) thus the second root is at x= $\frac{-4-\sqrt{4(4+C)}}{-2}=2+\sqrt{4+C}$

Hence the area of the triangle is $AB*AC/2=(4+C)*(2+\sqrt{4+C}-2)/2=(4+C)\sqrt{4+C}/2=32$ hence $(4+C)\sqrt{4+C}=64$ .

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4 years ago