Answer:
See below.
Step-by-step explanation:
The area of the circle is given by the formula:
From the circle, we can see that the diameter is 14. Thus, the radius must be 14 divided by 2 or 7.
We're also using 3.14 for π. Substitute:
Use a calculator:
And we're done!
Answer:
2x-4
Step-by-step explanation:
Hope it helps
Answer:
$49,367.5
Step-by-step explanation:
45,500*0.085 = 3,867.5, 45,500 + 3,867.5 = 49,367.5
Answer:
(x, y) = (-4, 15)
Step-by-step explanation:
The two equations have the same coefficient for y, so you can eliminate y by subtracting one equation from the other. Here the x coefficient is largest for the first equation, so it will work best to subtract the second equation.
(3x +y) -(2x +y) = (3) -(7)
x = -4 . . . . . . . . simplify
Now, we can find y by substituting this value for x.
2(-4) +y = 7
y = 7 +8 = 15 . . . . . add 8 to both sides of the equation
The solution is (x, y) = (-4, 15).
Cost of a scarf = s
cost of a hat = h
4s + 6h = 52 --------------eqn(1)
2h = s + 1 ----------------eqn(2)
Solving the equations, we get s = $7
Answer is D
