Answer:
or 
Step-by-step explanation:
Given


Required
Determine the solution
We'll solve using elimination method.
Subtract the first equation from the second:







Make x the subject:



Substitute
for x in the first equation



Make y the subject




Hence, the solution is:
or 
Answer:
60°
Step-by-step explanation:
tan 60 = sin 60 / cos 60
= [(root 3) / 2] ÷ [1/2]
= root 3
[sin 60 = (root 3) / 2 ; cos 60 = 1 / 2 ]
Given:
Number of flower pots = 6
To find:
The number of ways of the gardener to arrange the flower pots.
Solution:
Number of ways to arrange n items is n!.
So, the number of ways to arrange 6 pots is:


Therefore, there are total 720 ways of the gardener to arrange the flowerpots.
Answer:
(x-3)(x-6)
Step-by-step explanation:
Fill in g into f and simplify:
(x-2)²-5(x-2)+4 =
x² - 4x + 4 - 5x + 10 + 4 =
x² - 9x + 18 =
(x-3)(x-6)