Answer:
e) cos(90-x)
Step-by-step explanation:
sinx=cos(90-x)
Assuming you are talking about converting fractions to decimals, divide the numerator (top number) by the denominator (bottom number). If it isn't one you can solve in your head, use long division.
Answer:
- 13
Step-by-step explanation:
Plug 3 in for x:
-5(3)+2
Simplify :
-15+2
=-13
Answer:
Step-by-step explanation:
2000≤20x +475
x = 76.25 so 76 people may attend
graph a number line from 0 to 76 . include the end points
1) no more 76 may attend
2)less than 77 may attend
3) between 0 and 76 may attend
Answer:
Slope = -4 y-intercept = 3
Step-by-step explanation:
start with 4x + y = 3
Rearrange so it fits y= mx+b equation (subtract 4x off each side)
So new equation looks like this:
y= -4x + 3
from this we can see that the slope is -4 and the y-intercept is 3.