Answer:
Step-by-step explanation:
A. Linear- the add up to 180
B. 3x-5+2x+3+4x+2=180
9x=180
x=20
C. plug x in
ABD- 55, DBK- 82, KBC- 43
These are the same line when you graph. So there are infinite solutions to this system.
Answer:
18.84
Step-by-step explanation:
The formula for circumference is 2(pi)r, I think. The radius is 3. 3 times 2 is 6. 6 times 3.14 is around 18, I think.
Answer:
im pretty sure that it is -48 there is a chance im wrong
Step-by-step explanation:
.
175 red squares out of 1000 squares = 175/1000 = 0.175 of the design is red.
