If you have a calculator, you can use the inverse cos " cos⁻¹ " key. Many upper level books write that as Arccos so as not to confuse you with a negative exponent. We do that because if you take the cosine of any angle, and then the inverse cosine of any angle, it leads you back to the original angle. Think of it as a big "UNDO" button.
To one decimal place, that result is 61.6 degrees.
Answer:
64 dollars
Step-by-step explanation: 120×30%= $36-$100= <u>$64</u>
Answer:
Step-by-step explanation:
35x + 30 = 22x + 69
<u>-22x -30 -22x -30</u>
13x = 39
x=3
Answer:
bett
Step-by-step explanation:
Answer/Step-by-step explanation:
It typically takes teachers 9 minutes longer than students to get ready for school. - The median of two data = Teachers 25 - Students 16: typically, teachers take 25 mins to get ready and students take 16 mins to get ready.
