Answer:
B. sin 63°
Step-by-step explanation:
cos 27°
cos (90° − 63°)
sin 63°
First, I'd like to state there are many possibilties to for this solution.
Okay, 9/3 + 3 = -1b
Lets check.
PEMDAS!
9/3 is = 3
So:
3 + 3 = -1b
Then combine like terms:
6 = -1b
Following PEMDAS, divide -1 on both sides so..
-6 = b or b = -6
So, 9/3 + 3 = -1b works!!!
Answer:
23
Step-by-step explanation:
The opposite of a number is its negated value. So, if you negate 0.2, you get -0.2.
Answer:
35 2-point questions, and 15 5-point questions
Assume x 2-points question, so 50-x 5-points question
Total no of points: 2*x+5*(50-x)=145 points
2x+250-5x=145
-3x=-105
x=-105/-3=35 2-points questions
Remaining 50-35=15 5-points questions
ok so i really hope this helped and if it didn't then sorry
