Answer:
bottom: 12 x 12 = 144
1st triangle: (12 x 8)/2 = 48
2nd triangle: 48
3rd triangle: 48
4th triangle: 48
144 + 48 + 48 + 48 + 48 = <u>336 cm squared</u>
Answer:
$3.72
Step-by-step explanation:
7.75*2=15.5
15.5+0.78=16.28
20-16.28=3.72
40.25 is 40 1/4 as a decimal
Answer:
Percy used 77 liters to wash
Step-by-step explanation:
This question can be solved using a rule of three.
Each minute of washing costs 7 liters.
She washed for 11 minutes.
So
1 minute - 7 liters
11 minutes - x liters
x = 7*11 = 77
Percy used 77 liters to wash
Answer:
x=2,1 solving with quadratic formula
Step-by-step explanation:
