Answer:
46.19 feets
Step-by-step explanation:
Using Pythagoras rule :
Sin θ = opposite / hypotenus
Let length of string = s
Sin 60 = 40 / s
s * 0.8660254 = 40
s = 40 / 0.8660254
s = 46.188021 feets
s = 46.19 feets
1/9
2/1
i am working on the last one but i hope i helped
X + y = 1.....multiply by -1
4x + y = -23
---------------
-x - y = -1 (result of multiplying by -1)
4x + y = -23
---------------add
3x = - 24
x = -24/3
x = -8 <====
x + y = 1
-8 + y = 1
y = 1 + 8
y = 9 <====
Answer:
Unit rate = 0.414 mph
Step-by-step explanation:
Distance travelled = 212 miles
Time taken = 512 hours
