Answer:
Step-by-step explanation:
3x-y=-5
y=3x+5
20x-3(3x+5)=4
20x-9x-15=4
11x=19
x=
y=3(
)+5
y=
Whats the total perimeter?
Its really easy. just look at the middle line. now the sides are only the answers including the square roots. so the line in the middle represents 12. The answer is 12
Answer:
21/50
Step-by-step explanation:
42/100
42/2 = 21
100/2 = 50
2 is the greatest common denominator of 42 and 100
The pattern is multiplying the number by -2. So it would continue on as 96, -192, 384, and so on.