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bixtya [17]
3 years ago
8

Help^^^^^^^^^^^^^^^^

Mathematics
2 answers:
patriot [66]3 years ago
7 0

Answer:

Option C, 2(3w + 7)

Step-by-step explanation:

Bringing together this factored equation we would solve it as;

(2 * 3w) + (2 * 7)

This leads us to;

6w + 14

which is similar to the given equation.

Hope this helps!

mixer [17]3 years ago
3 0

Answer:

The answer is B

Step-by-step explanation:

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3 years ago
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You have D dollars to buy fence to enclose a rectangular plot of land (see figure at right). The fence for the top and bottom co
alex41 [277]

The perimeter of the rectangular plot of land is given by the expression below

P=2x+2y

On the other hand, since the available money to buy fence is D dollars,

\begin{gathered} D=4(2x)+3(2y) \\ \Rightarrow D=8x+6y \\ D\rightarrow\text{ constant} \end{gathered}

Furthermore, the area of the enclosed land is given by

A=xy

Solving the second equation for x,

\begin{gathered} D=8x+6y \\ \Rightarrow x=\frac{D-6y}{8} \end{gathered}

Substituting into the equation for the area,

\begin{gathered} A=(\frac{D-6y}{8})y \\ \Rightarrow A=\frac{D}{8}y-\frac{3}{4}y^2 \end{gathered}

To find the maximum possible area, solve A'(y)=0, as shown below

\begin{gathered} A^{\prime}(y)=0 \\ \Rightarrow\frac{D}{8}-\frac{3}{2}y=0 \\ \Rightarrow\frac{3}{2}y=\frac{D}{8} \\ \Rightarrow y=\frac{D}{12} \end{gathered}

Therefore, the corresponding value of x is

\begin{gathered} y=\frac{D}{12} \\ \Rightarrow x=\frac{D-6(\frac{D}{12})}{8}=\frac{D-\frac{D}{2}}{8}=\frac{D}{16} \end{gathered}<h2>Thus, the dimensions of the fence that maximize the area are x=D/16 and y=D/12.</h2><h2>As for the used money,</h2>\begin{gathered} top,bottom:\frac{8D}{16}=\frac{D}{2} \\ Sides:\frac{6D}{12}=\frac{D}{2} \end{gathered}<h2>Half the money was used for the top and the bottom, while the other half was used for the sides.</h2>

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11 months ago
Can anyone guess what game i was playing by the looks of it
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Answer:

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Step-by-step explanation:

:)

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3 years ago
Solve using elimination <br><br> y = 5x+4<br><br> y = 2x+7 <br><br> Show work plz
Gre4nikov [31]

Answer and Step-by-step explanation:

5x + 4

2x + 7

Multiply 5x + 4 by 2, and 2x + 7 by 5.

   10x + 8

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<u>-27 is the answer</u>

<u></u>

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3 0
3 years ago
If y varies directly as x and y=288 when x=16 determine the value of y when x-13
Ray Of Light [21]
Y = kx is the direct variation equation
Substitute the x and y that are given to find k then write your new equation in terms of y with the k.

288 = k(16) divide by 16 to find k
18 = k
Now write the new equation
y = 18x

y = 18(13) or y = 18(-13) I'm not sure by what you have typed if that is supposed to be and equal sign or a negative.
y = 234 OR y = -234
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3 years ago
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