X² - 9 = 55
+ 9
x² = 64
√
x = ± 8
So your answer would be x = 8 or x = -8
I hope this helps!
Answer:
-12
Step-by-step explanation:
Answer:
Step-by-step explanation:
It would be a shape with 2 lines either side and parallel to AB with perpendicular distances of 4 mm from AB, and lengths equal to AB; and it will have 2 semi-circles of radius 4 mm attached to the ends of the parallel lines.
Price of a bucket of eggs $16.20
price for a dozen of eggs $3.50
number of dozens in 450 eggs:
450/12
=37.5
price of 37.5 will be:
37.5×3.50=$131.25
The percentage the store has increased the price will be:
(131.25-16.20)/16.20×100
=710%