Answer:
Step-by-step explanation:
Sum = 20
Product = 5*20 = 100
Factors = 10 , 10 {10*10 = 100 ; 10+10 = 20}
5x² + 20x + 20 = <u>5x² + 10x</u> + <u>10x + 10*2</u>
= 5x(x + 2) + 10(x + 2)
= (x + 2)(5x + 10)
Answer:
(A) -8
Step-by-step explanation:
∆=b^2 -4ac= (-4)^2-4(2)(3)= -8
Since discriminant<0, then the equation has no roots.
Answer:
432cm^3
Step-by-step explanation:
Volume=l×b×h
=9×8×6
432cm^3
Answer:
x = 21.013155617496
Step-by-step explanation:
we have a right triangle then ,

Then

Then
x ≈ 21
The dog's bowl was empty.
The singer's songs were finished.