E d g e n u i t y Question: Solve x2 + 12x + 6 = 0 using the completing-the-square method.
(A) x= -6+ V30
(B) x= 6 + V30
(C) x= -6+ V6
(D) x= 6 + V6
L - Lane's age
m- Mel's age.
Lane is 10 times Mel's age, so 10m = l
difference in their age is 27 so l - m = 27
Substitute l = 10m and you'll have:
10m - m = 27
9m = 27 /:9
m=3
And l = 10m = 10*3 = 30
So Lane has 3 years old and Mel has 30 years old.
Answer:
the answer 14.0125. rounded = 14
Step-by-step explanation:
convert the percentage to a decimal
4.75% --> move two decimal places --> 0.0475
multiply 295*0.0475
= 14.0125
If right is supposed to be eight then answer is 81
Answer:
Step-by-step explanation:
