I'm solving your system by substitution.
2x-4=5, 5x+4y =2
Step# 1: solve for x
2x - 4+ 4= 5 + 4( add +4 to both sides)
2x = 9
x = 9/2
Step# 2: solve for y
5(9/2) + 4y = 2
4y + 45/2 = 2
4y 45
y = 45/4 = 11.25
<span>1/3-1/6
Convert 1/3 to 2/6 so that the numbers can subtract evenly
2/6-1/6
Subtract the numerators but NOT the denominators
Final Answer: 1/6</span>
Answer:
7.70%
Step-by-step explanation:
Total length of race = 5k
Actual time taken to run the race = 26 minutes
Marcos time = 28 minutes
Percentage error = difference in value / actual time × 100
= (28 - 26) / 26 × 100
= 2 / 26 × 100
= 0.077 × 100
= 7.70%
3(2n-9) is the equation that is equivalent to 6n-27.
Answer:
1.4
Step-by-step explanation: