D I hope this really helps a lot
A- number of adult tickets
s- number of student tickets
a +s=200 }* - 4,5 ⇒
a*6,5+s*4,5=980
a*6,5 + s*4,5=980
a*( -4,5) - s*4,5= - 200*4,5= -900
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6,5a-4,5a=980-900=80
2a=80
a=80:2
a=40
s=200-40
s=160
The hypotenuse of this triangle is 4Sqrt(2) from the Special Triangles you study.
The altitude is also 2Sqrt(2) because the altitude is an angle bisector of the 90 degree angle which bisects the hypotenuse, and the other 2 angles of the large right triangle are 45 degrees.
That is standard form. scientific notation would be 4.35x10^-4
The simplified polynomial is; xy(x²y - xy² +1) and; the value when x=-3 and y=2 is; -186
From the polynomial given;
The polynomial can be factorised to yield a simpler form as follows;
This is so because, xy is a common factor.
The value is therefore;
- (-3×2)((-3)²2 - (-3×2²) +1)
= -186
Read more on polynomials;
brainly.com/question/2833285
