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Solnce55 [7]
3 years ago
8

Write the equation of a line passing throught the points(74,-22) and (-86,10)​

Mathematics
1 answer:
Rina8888 [55]3 years ago
3 0

Answer:

y=-1/5x-36/5

Step-by-step explanation:

y=mx+b

-22-10/74--86

-32/160

-1/5

y=-1/5x+b

-22=-1/5(74)+b

b=-36/5

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3 years ago
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What is the following quotient? 1 divided by 1+ square root 3
ollegr [7]

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4th option

Step-by-step explanation:

The given expression is:

\frac{1}{1+\sqrt{3}}

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\frac{1}{1+\sqrt{3}}\\=\frac{1}{1+\sqrt{3}} \times \frac{1-\sqrt{3}}{1-\sqrt{3}}\\=\frac{1-\sqrt{3}}{(1)^{2}-(\sqrt{3})^{2}}\\\\ =\frac{1-\sqrt{3}}{1-3}\\\\ =\frac{1-\sqrt{3}}{-2}\\\\ =\frac{-1(1-\sqrt{3})}{2}\\\\ =\frac{-1+\sqrt{3}}{2}

Thus, 4th option gives the correct answer.

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3 0
3 years ago
Simplify: 4(3x^2y^4)^3 / 2x^3y^5)^4
Semenov [28]
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<span> 3.1 </span>  <span> x6</span> divided by <span>x12 = x(6 - 12) = x(-6) = 1/<span>x6</span></span>

Dividing exponential expressions :

<span> 3.2 </span>  <span> y12</span> divided by <span>y20 = y(12 - 20) = y(-8) = 1/<span>y8</span></span>

<span>Equation at the end of step  3  :</span><span> 27 4 • —————— 16x6y8 </span><span>Step  4  :</span>Final result :<span> 27 ————— 4x6y<span>8</span></span>
6 0
3 years ago
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