Step-by-step explanation:
,3^2+5^2=x^2
(3+5)^2=x^2
(8)^2=x^2
64=x^2
x=√64
X=8
Each dvd cost $7.50 how? Your friends buy 8 dvd's and in total is 60, you want to divide 60 from 8 and find that it's 7.50 and then multiply 8 to 7.50 and it should be 60. Hope this helps!!
This is g composed of f of x where we first find f(x) then plug that into g(x)
g(f(-1))
g(2 * -1 + 3)
g(1)
1/4
First, you add the discount.
Then you add the tax
Like come on, common sense, why would you pay taxes for money that you don't have to pay since you got a discount
Equation is 2(3x+24)=9x+18
Answer is x=10
Bisector means it cuts it in half so ABD is the same as DBC. The whole angle is 9x+18 which is the same as doubling 3x+24 since thats half of if hence the equation 2(3x+24)=9x+18
To solve for x you have to distribute 2(3x+24) by multiplying 2 to 3x and 24
New equation is 6x+48=9x+18
Subtract 6x both sides
48=3x+18
Subtract 18 both sides
30=3x
Divide both sides by 3
10=x