Answer:
(7m + 10) yards of cloth was used
Step-by-step explanation:
This is a multiplication problem. Firstly, we are told that she sew m shirts and she used 2 yards of cloth for each of the shirts. The total amount of materials used here is m * 2 = 2m yards
She also sew another (m + 2) Shirts using 5 yards of materials for each of the shirts. The total amount of materials used is thus 5(m + 2) which equals (5m + 10) yards
The total amount of cloth used altogether is thus 2m + (5m + 10) = (7m + 10) yards of cloth
In a question like this, you want to approach it with the equation "slope intercept form" which is

b = y-intercept
- the point where the line intercepts the y-axis
m = slope
I suggest using Desmos Graphing Calculator, it really helps and shows you a graphed equation. Let me know what you get!
Answer:
Red Gold
Step-by-step explanation:
Assuming you mean 9/40
Red gold = 25%
Pink Gold = .2 which is 20%
Rose gold is
= .225 which is 22.5%
The equation of the line is y= 3x
Answer:
9 cm, 7 cm, 6 cm and 8 cm
Step-by-step explanation:
The perimeter is the sum of all the sides.
4 sides' expressions are given, so we add them and equate to 30.

Note: we disregard the value of x = -6, because it is going to give us side with negative length, that can't happen!
So, we take x = 4
Hence, length of each side is:
x + 5 = 4 + 5 = 9 cm
x + 3 = 4 + 3 = 7 cm
2x -2 = 2(4) - 2 = 8 - 2 = 6 cm
x^2 - 2x = (4)^2 - 2(4) = 16 - 8 = 8 cm
These are the lengths of 4 sides: 9 cm, 7 cm, 6 cm and 8 cm.