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oksano4ka [1.4K]
2 years ago
5

Help math math math

Mathematics
2 answers:
lutik1710 [3]2 years ago
5 0

Hello.

In order to convert this equation into slope intercept form, we need to divide the entire equation by 7:

\tt{8x-7y=13

\tt{\displaystyle\frac{8x}{7} -\frac{7y}{7}=\frac{13}{7}

Simplify:

\tt{\displaystyle\frac{8x}{7}-y=\frac{13}{7}

Add y to both sides:

\Large\boxed{\sf{y=\displaystyle\frac{8x}{7} -\frac{13}{7}}}

I hope it helps.

Have an outstanding day. :)

\boxed{imperturbability}

Setler79 [48]2 years ago
5 0

Hey there!

8x - 7y = 13

8x - 13 = 7y

(8x - 13)/ 7 = y

8x/7 - 13/7 = y

Hope it helps ya!

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Find the ratio of the known sides 10 and 12

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4 years ago
An item that was selling for $72.00 was reduced to $60.00. Find the percent decrease in price. Show all your work.
dsp73
The formula to figure out the percentage increase or decrease is: 
<span>(new - old) / old * 100% </span>

<span>new = 60 </span>
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<span>(60 - 72) / 72 * 100% </span>
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4 years ago
Three new colors have been proposed for the jeep grand cherokee vehicle. they are silvered-blue, almond, and willow green. the n
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4 years ago
The coordinates of the vertices of a rectangle are (−3, 4) , (7, 2) , (6, −3) , and (−4, −1) . What is the perimeter of the rect
ki77a [65]

Answrer

Find out the what is the perimeter of the rectangle .

To prove

Now as shown in the figure.

Name the coordinates as.

A(−3, 4) ,B (7, 2) , C(6, −3) , and D(−4, −1) .

In rectangle opposite sides are equal.

Thus

AB = DC

AD = BC

Formula

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

Now the points  A(−3, 4) and  B(7, 2)

AB = \sqrt{(7- (-3))^{2} +(2- 4)^{2}}

AB = \sqrt{(10)^{2} +(-2)^{2}}

AB = \sqrt{100+4}

AB = \sqrt{104}

AB = 2\sqrt{26}\units

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CD= 2\sqrt{26}\units

Now the points

A (−3, 4) , D (−4, −1)

AD = \sqrt{(-4 - (-3))^{2} +(-1- 4)^{2}}

AD = \sqrt{(-1)^{2} +(-5)^{2}}

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Thus

BC = \sqrt{26}\units  

Formula

Perimeter of rectangle = 2 (Length + Breadth)

Here

Length = 2\sqrt{26}\ units

Breadth = \sqrt{26}\ units  

Perimeter\ of\ rectangle = 2(2\sqrt{26} +\sqrt{26})

Perimeter\ of\ rectangle = 2(3\sqrt{26})

Perimeter\ of\ rectangle = 6\sqrt{26}

\sqrt{26} = 5.1 (Approx)

Perimeter\ of\ rectangle = 6\times 5.1

Perimeter of a rectangle = 30.6 units.

Therefore the perimeter of a rectangle is 30.6 units.

8 0
3 years ago
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