Answer:
Step-by-step explanation:
Hi there!
Let represent "the number".
A number added by 7 is the same as that number times four minus eleven.
A number added by 7 ⇒
Is the same as ⇒
The number times four ⇒
Minus eleven ⇒
I hope this helps!
The graph shows a proportional relationship.What is the unit rate? Enter your answer as an improper fraction in simplest form in
the box.
1 answer:
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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=
Hence the area of the triangle is
hence 
.
We remark that
Hence 4+C=16 thus C=12
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=
Hence the area of the triangle is
We remark that
Hence 4+C=16 thus C=12