Answer:
Right angled triangle
Step-by-step explanation:
There is a 90 degrees angle
Solving for b, we have the equation A(b)=12*(b+9)/2 - we cancel out 12 and the 1/2 to get 6(b+9)=A(b) and get 6b+54=A(b). Subtract 54 from both sides to get 6b=A(b)-54 and divide both sides by 6 to get b=A(b)/6-9 = A
The answer would be 472.5 correct me if i’m wrong.
Answer:
15
Step-by-step explanation:
Radius times 2 is the diameter!
Given:
Price of new computer at local store = $1,449
This is 18% less than what it costs at the Brownstone Mall.
To find:
The cost of new computer at the Brownstone Mall.
Solution:
Let x be the cost of new computer at the Brownstone Mall.
According to the question,




Divide both sides by 0.82.



Therefore, the cost of new computer at the Brownstone Mall is $1767.07.