Answer:
Solution to the given expression is 
Step-by-step explanation:
Here, the given expression are:
To Solve for : Q(x) - P(x)
Now substitute the value of P(x) and Q(x) , we get:
Hence solution to the given expression is
Answer:
$3800
Step-by-step explanation:
When simple interest is added to the principal amount, the sum increases linearly with time. Essentially, you are asked for the y-intercept of a line that goes through the points (2, 6200) and (3, 7400). You can use the 2-point form of the equation of a line to find it:
y = (y2 -y1)/(x2 -x1)(x -x1) +y1
y = (7400 -6200)/(3 -2)(x -2) +6200 . . . . fill in given points
y = 1200(x -2) +6200 . . . . . . . . . simplify some
y = 1200x -2400 +6200 . . . . . . simplify more
y = 1200x +3800 . . . . . . . . . . . . . completely simplify
When the number of years (x) is zero, the amount is 3800. The principal is $3800.
_____
The account is earning $1200 per year on a principal of $3800. The interest rate is about 31.6%, an unusually high value.
_____
<em>Alternate solution</em>
You can recognize that the interest earned in one year is 7400 -6200 = 1200. Since this is simple interest, the amount of interest earned each year is the same, so in 3 years, the account has earned 3×$1200 = $3600 in interest. Then the original principal amount must be ...
$7400 -3600 = $3800 . . . . . principal amount
Answer:
b = -36
Step-by-step explanation:
Start by distributing both th 5 and the negative 1 into their corresponding parentheses.
((5*2b)-(5*3)) > (10b - 15)
((-1*11b)+(-1*1)) > (-11b - 1)
so you have:
10b - 15 - 11b - 1 = 20
Next you would Combine like terms to get:
-b - 16 = 20
Add the 16 to both sides
-b = 36
and divide each side by -1
b = - 36
hope this helps
The answer is ............................a
