Answer:
4.50
Step-by-step explanation:
First add 50 and 40 to get 90. Then multiply that by 0.05 to get 4.5.
Answer:
exact form: x= 11/2
Decimal Form
X= 5.5
Mixed form
X= 5 1/2
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
You "complete the square" by adding the square of half the x-term coefficient. Here, that is ...
((-2)/2)² = 1 . . . . value added to complete the square
If you want to keep 0 on the right, you must also subtract this value:
x² -2x -36 = 0
x² -2x +1 -36 -1 = 0 . . . . . . add and subtract 1 on the left
(x -1)² -37 = 0 . . . . . . . . . . . written as a square
Answer:
x=20
y=70/3 which is about 23.3
Step-by-step explanation:
Write a proportion of all similar sides