400% of a is 4a
4a/400a = 1/100=1%
Answer:
(3x+7)(x+3)
Step-by-step explanation:
Factors 3x^2+16x+21
3x^2+16x+21
=(3x+7)(x+3)
Answer:
x = ± 3
Step-by-step explanation:
Given
5x² - 45 = 0 ( divide through by 5 )
x² - 9 = 0 ( add 9 to both sides )
x² = 9 ( take the square root of both sides )
x = ± = ± 3
Thus the roots are x = - 3, x = 3
Answer:
the aswer is 2
Step-by-step explanation:
this is because 10/5=2