9 = the hypotenuse (opposite the right angle)
8= the opposite (opposite the angle in question)
Opposite and Hypotenuse so we use 'SOH'
SOH is
8÷9=0.8888....
now do the inverse of sin.
sin^-1(0.8888...)
x=62.7° to the nearest tenth of a degree
Answer:
the answer is well A or D
Step-by-step explanation:
Answer:
x = -4 and -2x - 8
Step-by-step explanation:
<u>Step 1: Distribute</u>
-1/3(6x + 15) - 3
-6/3x - 15/3 - 3
-2x - 5 - 3
-2x - 8
<u>Step 2: IF NEEDED SOLVE FOR X</u>
-2x - 8 + 8 = 0 + 8
-2x / -2 = 8 / -2
x = -4
Answer: x = -4 and -2x - 8
Step-by-step explanation:
2nd 3rd and 4th are the expressions
After 40 minutes, Ralph has already painted (40/60)/12=1/18 of the fence
Lisa's speed is 1/15 fence/hour, Ralph's speed is 1/12 fence/hour, hence when they help each other their combined speed is 1/15+1/12=3/20
Thus we need to solve 3/20*x=17/18 thus x=170/27 hours (approx 6 hours 15 mins)