Answer:
30cm
Step-by-step explanation:
150*0.2=30cm, 20% of 150 is 30cm.
Answer:
x = -1
y = -2
Step-by-step explanation:
To get y by itself:
3x - y = -1
-y = -1 - 3x
y = 1 + 3x
Solve for x with substitution:
2x = 4(1 + 3x) + 6
2x = 4 + 12x + 6
2x = 10 + 12x
-10x = 10
x = -1
Plug the x value into 3x - y = -1
3(-1) - y = -1
-3 - y = -1
-y = 2
y = -2
Answer: 8/7
Step-by-step explanation:
To solve 2/7 ÷ 1/4,
Step 1: rewrite as-
2/7 × 4/1
=8/7
I hope this is clear.
Answer:
-15x+24
Step-by-step explanation:
You can write that as:
