He worked 30 hours in total
Answer:
tan38 = 0.31
cos47 = -0.99
sin77 = 0.99
Step-by-step explanation:
There are several free online calculators that can help you do this! I recommend Desmos!
76,500,000 in scientific notation is: 7.65x10^7
I believe you moved the decimal to the right 2 times.
Hope this helped :)
Have a great day
M = -6/4
b = 7
equation : y = -6/4x+7
2x-8(-7-x)=6
2x+56+8x=6
10x=-50
x=-5
y=-7-(-5)
y=-2
(-5,-2)