Answer:
c = 41 ft
Step-by-step explanation:
To solve this problem, we can use the pythagorean theorem, which is defined by the formula
. We are given both the lengths of the legs, so all we need to do is to plug them both in and solve for c:
![9^2+40^2 = c^2\\c^2 = 81 + 1600\\c^2 = 1681\\c = 41](https://tex.z-dn.net/?f=9%5E2%2B40%5E2%20%3D%20c%5E2%5C%5Cc%5E2%20%3D%2081%20%2B%201600%5C%5Cc%5E2%20%3D%201681%5C%5Cc%20%3D%2041)
This is the first option.
C.) 344.50
Take what she paid before tax (325) and multiply it by 1.06 (the tax rate) and there's your answer.
Let's start with y = 4x + b (since 4 is the slope);
We need to find what number should be put instead of b;
Then, let's see what needs to be done;
Plug in the y and x values from the coordinate (22,12) into y=4x+b;
12 = 4(22) + b
Solve;
12 = 88 + b
12 - 88 = b
b = -76
Remember the equation y = 4x + b? Put the -76 instead of b:
y = 4x + -76
or: y = 4x - 76
That is the equation.
To make it standard form, put x and y both in the left side, with x first then y:
-4x + y = -76
^^Answer!
This is how you solve it, and here is the answer!