Answer:
Step-by-step explanation:
hello :
2x+7y=1
...(*)
y=4x−8...(**)
(4;8) means x= 4 and y= 8
put this values in (*) and(**) :
2(4)+7(8) =1 62=1 false
8=4(4)-8 8=8 true
so :(4;8) is not solution for this system.
Answer:
No
Step-by-step explanation:
- 20 ÷ 9 = 2.222222222
- 9 does not go evenly into 20, and there can't be a fraction of a student, so the answer is no.
I hope this helps!
Triangles ABD and BCD are similar, because they are both right and share a common angle, and thus all three angles are equal.
This means that we can set the proportion

Plug the numbers and we have

Solve for
:

You replace j(X) with x in the equation Y(x)
the answer can be:
Y(j(x))= 6(^3rad(0.11x^-2))