y=5, x=7 because if 3x5=15 then 15-7=8 dont report me if i do get this wrong
Answer:
inverse i believe, because the numbers are switched around on the right side of the equal sign.
Step-by-step explanation:
7 cars full and 5 people on the next car
Answer:




Step-by-step explanation:
Given
I will answer this question using the attached triangle
Solving (a): Sine and Cosine A
In trigonometry:
and

So:

Substitute values for BC and BA




Substitute values for AC and BA



Solving (b): Sine and Cosine B
In trigonometry:
and

So:

Substitute values for AC and BA




Substitute values for BC and BA



Using a calculator:

So:

-- approximated

-- approximated

So:

--- approximated

--- approximated
It’s important because you may doing something that includes that and you don’t have a ruler etc..