Answer:
Step-by-step explanation:
cosine law
a²=b²+c²-2(bc)cos44 (c=20, b=15)
a²=15²+20²-2(15*20)cos44
a=√15²+20²-2(15*20)cos44
a=13.91
Answer:
12.5 hours
Step-by-step explanation:
10 / 4 = 2.5
2.5 * 5 = 12.5
Answer:
There are four ways to represent an inequality: Equation notation, set notation, interval notation, and solution graph.