The answer is C
4(3-x)+6x=3x+12-x All real numbers are solutions.
Answer:
a. {(0, 7), (-1, 6)}
Step-by-step explanation:
subtract the equations
for 
, substitute x = 0
for , substitute x = 0
Answer:
Step-by-step explanation:
In the fifth grade class, 
of the girls have brown hair. Again among those of the brown-haired girls, 
of them have long hair.
We are asked to find the fraction of the girls who have long brown hair in the class.
The fraction of the total students which have long brown hair will be (
) = . (Answer)
Answer:
Length = 11.25 and width = 3.75 inches.
Step-by-step explanation:
You must mean that the length is 3 times its width.
If the the width is x then the length is 3x inches.
Perimeter = 2*length + 2*width.
2(3x) + 2x = 30
6x + 2x = 30
8x = 30
x = 3.75.
3x = 11.25.
Answer: A. UWV and UWZ are complementary angles.
B.They do not overlap, so UWV and VWX are supplementary angles
Step-by-step explanation:
Complementary angles add up to 90.
Supplementary angles do not overlap.
