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Zigmanuir [339]
3 years ago
9

11z/16+7z/8=5/16 how do you get the z alone?

Mathematics
1 answer:
Ber [7]3 years ago
7 0
11z ➗ 16 ➕ 7z ➗ 8 = 5 ➗ 16
x 8 x 8
11z ➗ 16 ➕ 7z = 5 ➗ 16 x 8
x 16 x 16
11z ➕ 7z = 5 x 8
18z = 40
➗ 18. ➗ 18
z=40 ➗ 18
z = 2.2

This is the way I was taught to do it. if the answer is incorrect, at least you can use my work as an example to go off of.

(what you do to one side you do to the other. I'm using my phone and everything condensed, I apologize)
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J divided by 9 is 5.<br> Solve for j.<br> j=
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5 0
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Find the perimeter of pentagon STUVW WITH VERTICES S(0,0) T(3,-2) U(2,-5) V(-2,-5) W(-3,-2)
andrew11 [14]
Use the distance formula.

\sqrt{( x_{2} - x_{1} )^2 + (y_{2} - y_{1})^2}

 
Points S and W.
\sqrt{(3)^2 + (2)^2}

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\sqrt{13}

~3.6

Points S and T
\sqrt{(3 - 0)^2 + (-2 - 0)^2}

\sqrt{(3)^2 + (-2)^2}

\sqrt{9+4}

\sqrt{13}

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Points T and U
\sqrt{(3 - 2)^2 + (-2 + 5)^2}

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\sqrt{10}

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Points U and V
\sqrt{(2+2)^2 + (-5 + 5)^2}

\sqrt{(4)^2 + (0)^2}

\sqrt{16}

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Points V and W
\sqrt{(-2+3)^2 + (-5 + 2)^2}

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\sqrt{11}

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Add all these together.

3.3 + 3.1 + 4 + 3.1 + 3.6
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3 years ago
Given a point (-3, 6) and a line y= 2x − 8, what is the slope of the line?
Eddi Din [679]

The slope is 2.

Since the line "y = 2x − 8" follows slope-intercept form (y = mx + b), and the slope is always m, we know that the value of the slope is 2.

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