The answer to this question is b I got it wrong With picking a and my teacher said it was b
Answer:
a = 9
Step-by-step explanation:
First we need to add (x^2+3x) to (3x^2+ax),
(x^2+3x)+(3x^2+ax)
Expand
= x^2+3x+3x^2+ax
Collect the like terms
= x^2+3x^2+3x+ax
= 4x^2 + 3x + ax
= 4x^2+(3+a)x
Equate the solution to 4x^2+12x
4x^2+(3+a)x = 4x^2+12x
Comparing the like terms on both sides
(3+a)x =12x
3 + a = 12
a = 12 - 3
a = 9
Hence the value of a is 9
Answer:
x = 30
Step-by-step explanation:
Answer:
<u><em>6% decline</em></u>
Step-by-step explanation:
<u>Original stock price</u> = $3.63 + $56.87 = $60.50
<u>Percentage decline</u> = 60.50 - 56.87 / 60.50
= 3.63 / 60.50
= 0.06
= <u><em>6% decline</em></u>
