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Citrus2011 [14]
2 years ago
10

Write an equation for the value of the truck from bear tractors.

Mathematics
1 answer:
Dvinal [7]2 years ago
7 0

Answer:

Bear Tractors: y=-8000x+86000

Rock Movers: y=-12000x+102000


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ASAP NOWWW finf the mean of the following data set:95,87,84,83 FASTTR PLZ
stiv31 [10]
(95+87+84+83)/4
=87.25
6 0
3 years ago
Number between 6.9 and 7
Oksana_A [137]

Answer:

6.95

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Suppose you have 48 feet of fencing to enclose a rectangular dog pen. The function : A = 24x-x^2 , where x = width , gives you t
Viktor [21]
Check the picture below, that's a parabolic graph of a quadratic equation with a negative leading coeffficient, like this one, the one in the graph is just for initial velocity, but, the highest point is at the vertex for any of these parabolas.

and this one is not exception, so where's the vertex?  what's A or the y-coordinate when the vertex is reached?, well, let's check.

\bf A=24x-x^2\implies A=-1x^2+24x+0\\\\
\textit{ vertex of a vertical parabola, using coefficients}\\\\
\begin{array}{lccclll}
A = &{{ -1}}x^2&{{ +24}}x&{{ +0}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}\qquad 
\left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad  {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)
\\\\\\
\left(-\cfrac{24}{2(-1)}~~,~~0-\cfrac{24^2}{4(-1)} \right)\implies \left(12~~,~~ 0+\cfrac{576}{4} \right)
\\\\\\
\left(\stackrel{width}{12}~~,~~\stackrel{Area}{144}  \right)

so, that's the vertex, and when the width is that much, the Area reaches a maximum of that much.

3 0
3 years ago
How many solutions does the following equation have?
Korolek [52]

Answer:

12x-11

Step-by-step explanation:

There is no known solution, but this can be simplified. Add up all of the coefficients(# connected by the variable). Since after 7x is a - , the x following has to be negative. After adding the coefficients, you should have below, 12x. Then, you add up all of your constants.(# w/ no variable). Adding negative and  positive, you should get below, -11. Finally, you should of simplified your equation to 12x-11.

Equation:

7x- (x-4)= 6x -7

<u>7x- (x</u>-4)= <u>6x</u> -7

12x

7x- (x-<u>4</u>)= 6x <u>-7</u>

-11

12x-11

7 0
3 years ago
What is the domain of the relation {(-2,4), (1,3) (0,-4), (3,2)})?
nexus9112 [7]

Answer:

Domain: {-2, 0, 1, 3}

General Formulas and Concepts:

<u>Algebra I</u>

  • Domain is the set of x-values that can be inputted into function f(x)

Step-by-step explanation:

We are given a set of coordinates:

{(-2, 4), (1, 3), (0, -4), (3, 2)}

We can separate the <em>x</em> and <em>y</em> values:

x: {-2, 1, ,0, 3}

y: {4, 3, -4, 2}

We know that domain is all x-values. Rearrange into number line form:

x: {-2, 0, 1, 3}

3 0
3 years ago
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