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3 years ago

GUYS YOU WILL BE AWARDED 20 POINTS FOR THIS QUESTION

Mathematics

2 answers:

Thepotemich [5.8K]3 years ago

8 0

The answer is A because first plot is 6 and second plot is 11, third is 11,

musickatia [10]3 years ago

7 0

It's A, none of the other tables match the points that are graphed.

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Average national teachers salaries can be modeled using the equation y=9.25(1.06)^n , where y is the salary in thousands of doll

kiruha [24]

$y=9.25(1.06)^{n}$
Plug in $n$ to find $y$ .
$n$ would be $50$ because $2020-1970=50$ .

Use order of operations to solve.
$y=9.25(1.06)^{50} \\ y=9.25(18.42) \\ y=170.39$

Since $y$ is the salary in thousands, multiply $170.39$ by $1000$ .
$170.39*1000=17039$

A teacher can expect to have about $17,039 as a salary in the year 2020.

6 0

2 years ago

What is a composite number between 60 and 100?

lilavasa [31]

What is a composite number between 60 and 100? The answer is 62

8 0

3 years ago

Read 2 more answers

Please help me with this question!!!!!

Naddika [18.5K]

Answer:

Equation of line in slope-intercept form that passes through (4, -8) and is perpendicular to the graph $y= \frac {2}{5} x - 3$ is below

$y = - \frac {5}{2} x + 2$

Step-by-step explanation:

Slope of the equation $y= \frac{2}{5} x -3$ is $m_1 = \frac{2}{5}$

Since slopes of perpendicular lines are negative reciprocal of each other, therefore slope of other line is given as

$m_2 = - \frac {1}{m_1} = - \frac {5}{2}$

Equation of line in point slope form is given as

$y-y_1=m_2(x-x_1)$

Here (x1, y1) = (4, -8)

$y+8 = - \frac{5}{2} (x-4)$

Simplifying it further

$y = - \frac {5}{2} x + \frac {5}{2} 4 - 8$

$y = - \frac {5}{2} x + 2$

6 0

2 years ago

If A is the area of a circle with radius r and the circle expands as time passes, find dA/dt in terms of dx/dt

valina [46]

The area of a circle in terms of the circle's radius $r$ is

$A=\pi r^2$

Differentiating both sides with respect to $t$ , you get

$\dfrac{\mathrm dA}{\mathrm dt}=2\pi r\dfrac{\mathrm dr}{\mathrm dt}$

3 0

3 years ago

Graph the system of inequalities y> 2x-3 and 3y-x≤6

Veronika [31]

Y > 2x - 3
3y - x ≤ 6
 ↓
y = 2x - 3
3y - x = 6

 3(2x - 3) - x = 6
3(2x) - 3(3) - x = 6
 6x - 9 - x = 6
 6x - x - 9 = 6
 5x - 9 = 6
 + 9 + 9
 5x = 15
 5 5
 x = 3
y = 2x - 3
y = 2(3) - 3
y = 6 - 3
y = 3
(x, y) = (3, 3)

4 0

3 years ago