I'm pretty sure Cos(20°) = Sin(70°) Hope this helps :)
Answer: #1 awnser is $11 and the #2 is 10 hours
Step-by-step explanation: I saw that there was a connection between the numbers.I saw that 7*11=77.So I tried it with the #1 hour it equaled $11.It made sense so I kept going.110/11=10.Hope that made sense I really do Hope so ;w;
Answer:
The cost is $6.07, but bring $7.00
Step-by-step explanation:
Add 3.67 and 2.40, and your estimate is to bring $7.00 because you won't have enough if you just brought $6.00
Step-by-step explanation:
-3x + 6y = 18
-3x = 6y+14
a) the slope of the 1st equation = -(-3)/6 = ½
b) the slope of the 1st equation = -3/6 = -½
c) they are niether parallel nor perpendicular
quadratic formula
Step-by-step explanation:
x(x-9)+4(x-9)
x²-9x+4x-36
x²-5x-36