Answer:
<h2>1) C. 8x + 2x = 10x</h2><h2>2) z = 5</h2><h2>3) y = 10</h2><h2>4) x = 1/2</h2><h2>5) x = 17</h2><h2>6) C. 1/4x + 4 = 3</h2><h2>
Step-by-step explanation:</h2>
<h3>1. <u>C. 8x + 2x = 10x</u></h3><h3 /><h3>2. 3z - 2 = 13</h3><h3>3z = 13 + 2</h3><h3>3z = 15</h3><h3><u>z = 5</u></h3><h3 /><h3>3. -5y - 10 = -60</h3><h3>-5y = -60 + 10</h3><h3>-5y = -50</h3><h3><u>y = 10</u></h3><h3 /><h3>4. 4x - 5 + 2x = -2</h3><h3>4x + 2x = -2 + 5</h3><h3>6x = 3</h3><h3><u>x = 1/2</u></h3><h3 /><h3>5. x - 8/3 = 3</h3><h3>x - 8 = 9</h3><h3>x = 9 + 8</h3><h3><u>x = 17</u></h3><h3 /><h3>6. <u>C. 1/4x + 4 = 3</u></h3><h3>(1/4 × -4/1) + 4 = 3</h3><h3>-1 + 4 = 3</h3><h3 />
The linear equation that is asked from the problem takes the
form of:
y = m x + b
where,
y = the median salary
x = the number of years
m = the slope of equation
b = y-intercept
The slope of the equation (m) can be calculated using the
formula:
m = (y2 – y1) / (x2 – x1)
m = (1326720 – 441300) / (2008 – 2000)
m = 110,677.5
The y-intercept is then obtained by using any of the data
pair:
441300 = 110677.5 (2000) + b
b = -220913700
Therefore the complete equation is:
y = 110677.5 x – 220913700
The median salary in 2016 is therefore:
y = 110677.5 (2016) – 220913700
y = $2,212,140
Answer:
$2,212,140
If you would like to know the solution to the equation (x - 2) * (x + 5) = 18, you can calculate this using the following steps:
(x - 2) * (x + 5<span>) = 18
</span>x^2 + 5x - 2x - 10 = 18
x^2 + 3x - 28 = 0
(x + 7) * (x - 4) = 0
1. x = - 7
2. x = 4
The correct result would be x = - 7.
You can add both units together: Namely you can add 5.15 to 3.04 = which equals to 8.19 and the average of 108 + 180 = 360/2
which means its an averige of 180.
so the correct anwser is C) 8.19 x 108 people
