2,7, and 6 are all 70 degrees. 1,4,5, and 8 are all 110 degress
Answer: perpendicular
Step-by-step explanation:
Lines with opposite and negated slopes are perpendicular, you can use desmos to graph and check
No he already did because his smsnebejsks in the graph is in orget
V30% mixture + v100% mixture = v60% mixture
0.3(10-x) + x = 0.6(10)
3 - 0.3x + x = 6
0.7x = 6 - 3
0.7x = 3
x = 3/0.7
x = 4.286 quarts
