2x+5y=21, x+y=3
y=3-x
2x+5y=21
2x+5(3-x) =21
2x+15-5x=21
2x-5x+15=21
-3x+15=21
-3x=21-15
-x=6/3
-x=2
x=-2
Answer:
7.1
Step-by-step explanation:
If you count how many units are between the library and the park, it is seven units.
C.4/11 is the answer to your question
Answer:
19
Step-by-step explanation:
given:
f(x)=3x²-8
g(x)=4x+1
g(-1) = 4(-1)+1
g(-1) = -4 + 1
g(-1) = -3
hence
f[g(-1)]
= f(-3)
= 3(-3)²-8
= 3(9) - 8
= 19
Answer: 1.4 x 3 = 4.2
Step-by-step explanation:
1 x 3 = 3
.4 x 3 = 1.2
3 + 1.2 = 4.2
