Answer:
-√7
Step-by-step explanation:
radical roots always occur in pairs.
√7 is a root ,so -√7 should also be a root of polynomial f(x)
Answer:
The greatest is Denmark
The least is US
Step-by-step explanation:
Population density is people/ area
US : 272648000/9364520 = 29.115
Denmark : 5248000/42077=124.72372
Ghana :18339000/237533=77.20611
The greatest is Denmark
The least is US
-7x+9y=-18
-2x-9y=18
-9x (y’s cancel)=0
X=0
Answer:
question no:3
Step-by-step explanation:
here
= x^2 + 5x - 300
= x^2 +(20-15)x -300
= x^2 + 20x - 15x - 300
= x(x+20) -15(x+20)
= (x+20) (x - 15)
Answer:
2x - 7
Step-by-step explanation:
Twice a number x means x times 2, which can be written as 2x
Minus 17 from 2x
