Answer:
3x=63
Step-by-step explanation:
3 coins means a coin is x and total expenditure is equal to 63
The answer is in the image hope this helps
45
5 divided by 5 equals 1
1 plus 4 equals 5
5 times 12 equals 45
In this problem, you must use SohCahToa which basically means:
Sin - opposite over hypotenuse
Cosine - adjacent over hypotenuse
Tangent - Opposite over hypotenuse
So in this picture we have 4 -which is on the opposite side of x - and a 5 -which is the hypotenuse of the triangle. This means we must use sin.
Using a calculator you put in:

Your answer is 53.13 degrees
Final Answer: 
Steps/Reasons/Explanation:
Question: What is the solution to the linear equation
?
<u>Step 1</u>: Simplify
to
.

<u>Step 2</u>: Cancel
on both sides.

<u>Step 3</u>: Subtract
from both sides.

<u>Step 4</u>: Simplify
to
.

<u>Step 5</u>: Divide both sides by
.

~I hope I helped you :)~