Answer:First make sure your calculator is on the right setting which would be a DEG. Then depending on the problem you would press COS, put whats needed inside the parentheses and close it.
Or if a different kind of problem you would press 2nd on the top of the calculator then Cos and continue the same way as the first one.
Step-by-step explanation:
Answer:
Equation: x + 16 + 13 + x = 21 ; x = -4
Step-by-step explanation:
x + 16 + 13 + x = 21 (Given)
2x + 29 = 21 (Added like terms)
2x = -8 (Subtracted 29 on both sides)
x = -4 (Divided 2 on both sides)
Answer:
B
Step-by-step explanation:
its a number line, start at 3, move back -4, end at -1. the arrow above the line shows that its moving backwards/subtraction
Answer:
D
Step-by-step explanation:
7x2-2x+3 = 5x2-10
7x2-2x+3+10=5x2-10+10
7x2-2x+13=5x2
7x2-5x2-2x+13=5x2-5x2
2x2-2x+13=0
Hey!!
So just do b*h
Its 100*4*h
Its 400*h now.
So its 400h.
Hoping this helps you!
