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3 years ago

Need help assoon as possible please

Mathematics

1 answer:

satela [25.4K]3 years ago

4 0

It would be the last one because uvw is congruent to xvy

hope it helps :)

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(sqrt(6))/(8+\sqrt(10))

valkas [14]

Answer:

$\frac{4\sqrt{6}-\sqrt{15}}{27}$

Step-by-step explanation:

$\frac{\sqrt{6} }{8+\sqrt{10} } \\\\\mathrm{Multiply\:by\:the\:conjugate}\:\frac{8-\sqrt{10}}{8-\sqrt{10}}\\=\frac{\sqrt{6}\left(8-\sqrt{10}\right)}{\left(8+\sqrt{10}\right)\left(8-\sqrt{10}\right)}\\\\\sqrt{6}\left(8-\sqrt{10}\right)=8\sqrt{6}-2\sqrt{15}\\\left(8+\sqrt{10}\right)\left(8-\sqrt{10}\right)=54\\\\=\frac{8\sqrt{6}-2\sqrt{15}}{54}\\\\\mathrm{Factor}\:8\sqrt{6}-2\sqrt{15}:\quad 2\left(4\sqrt{6}-\sqrt{15}\right)\\\\=\frac{2\left(4\sqrt{6}-\sqrt{15}\right)}{54}\\$

$\mathrm{Cancel\:the\:common\:factor:}\:2\\\\=\frac{4\sqrt{6}-\sqrt{15}}{27}$

5 0

3 years ago

The question is below:

hoa [83]

Answer:

Step-by-step explanation:

The original antenna revolves at a rate of 30 per 2 minutes, or 15 per minute.

Twice as fast = 15 X 2 = 30 per minute

Only the data in Table D fits.

660 / 22 = 30

720 / 24 = 30

6 0

2 years ago

A rectangle with a perimeter of 54 cm could have which dimensions

melomori [17]

8 and 19, because 2 times the length + 2 times the width = 54 :)

7 0

4 years ago

Read 2 more answers

What is a way to write 11 more than twice x is less than 44

madam [21]

(2x) + 11 < 44

x is multiplied by two because we are looking for twice of x. 11 is added to the 2x because we are looking for eleven more than the sum of twice of x. Since 2x + 11 is less than 44, we use the lesser than ( < ) symbol.

4 0

3 years ago

Read 2 more answers

Please help 20 points⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️⁉️

xz_007 [3.2K]

Answer:

BC equals 5

Step-by-step explanation:

they are parallel to each other making them equal sides

5 0

3 years ago