Answer:
CD=7
Step-by-step explanation:
BAC angle=CED angle (alternate angles are equal)
therfore;
CB=CD(equal angle opposite sides are equal)
Answer:f(3)=26,f(6)=215
Step-by-step explanation:
f(x)=3^x-1
f(3)=3^3-1
f(3)=3x3x3-1
f(3)=27-1
f(3)=26
f(6)=6^3-1
f(6)=6x6x6-1
f(6)=216-1
f(6)=215
Answer:
105%
Step-by-step explanation:
We'll analyse the question one step at a time
Let the original price be x.
Let y be the 40% increase

Express as decimal


Let z be the 25% off sale

Express as decimal



Substitute 1.40s for y


Express 1.05 as a fraction

<em>The percentage is 105%</em>