3 years ago

Select all the equations for which (-6,-1) is a solution. *

Mathematics

1 answer:

ella [17]3 years ago

8 0

1 and 4 hope this helps!

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The Sears Tower in Chicago is 1450 feet high. A model of the tower is 48 inches tall. What is the ratio of the

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Find the value of b. Express the answer as a simplified radical.

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Here three sides of a right angled triangle given.

The three sides are b, 8 and 14.

The side with length 14 is the hypotenuse here. We have to find the side of length b.

To get b, we will use Pythagoras theorem here.

By using Pythagoras theorem we can write,

$c^2=a^2+b^2$ , where c is the hypotenuse.

So here we can write,

$14^2=8^2+b^2$

$196 = 8^2+b^2$

$196=64+b^2$

To solve it for b, now we have to move 64 to the left side by subtracting it from both sides.

$196-64 = 64+b^2-64$

$196-64 = b^2$

$132=b^2$

Now to find b, we have to take square root to both sides. We will get,

$\sqrt{132}= \sqrt{b^2}$

$\sqrt{132} =b$

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$b= (\sqrt{4})(\sqrt{33})$

$b= 2\sqrt{33}$

We have got the required answer for the side b.

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2 years ago

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