Using the Pythagorean theorem the length is 9.85cm
Find the ratio of the known sides 10 and 12
12/10 = 1.2
The larger kite is 1.2 times the size of the smaller kite.
Multiply 7 by 1.2:
x - 7 * 1.2
x = 8.4
Answer:
x+9
Step-by-step explanation:
if you expand...you could get x+9, which is the same as the given expression
Answer:
12.90%
Step-by-step explanation:
Given ;
Original price = 171.50
Sale price = 149.37
To find the % markdown :
Markdown = Purchase price - sale price
171.50 - 149.37 = 22.13
(Markdown / purchase price) * 100%
(22.13 / 171.50) * 100%
0.1290379 * 100%
= 12.90%
18 liters of 14% bleach contains 0.14×18 = 2.52 liters of bleach.
Adding 
liters of pure water to the solution increases the total volume to 
liters without changing the total amount of bleach.
To end up with a 10% bleach solution, we must add
liters of water.
