A fresh section was taken by a student but he was very disappointed because there were only few green and most colourless cells.Teacher provided a pink colour solution. The section was immersed in this solution and when observed it was much clearer. What is the magic?
Answers
Answered by
5
Answer:
They are use to stain the leaves for clear observations
Answered by
2
Explanation:
ASK
SYSTEM OF EQUATIONS
Parker S. asked • 11/20/16
two times a number added to another number is 25. three times the first number minus the other number is 20. find these numbers
i need help finding systems of equations for this problem please help
Follow 2
Add comment
More
1 Expert Answer
By:
Jason L. answered • 11/20/16
Graduate Student Who Loves to Do Math
Let x be the first number and y be the second.
2x + y = 25
3x - y =20
1) Add them together.
5x = 45
x = 9
2) Solve for y.
2(9) + y = 25
y=7
3) Check your work on the other equation.
3(9) - (7) = 20
27 - 7 =20
20 = 20
Similar questions