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strojnjashka [21]

3 years ago

14

Identify the sequence as arithmetic, geometric, both, or neither. 7 9 11 13

1 answer:

Lisa [10]3 years ago

6 0

Arithmetic and the sequence is adding 2

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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

You have a solid Rectangle of dough. Consider the cross sections that are formed when you slice into the cube as described. Draw

Phantasy [73]

B is the answer I think trying it tho

5 0

2 years ago

Graph the direct variation equation y=2x

gayaneshka [121]

Type in "y=2x" in the google search bar. A graph will pop up and should help you. I'm sorry I cant be of more assistance. Hope this helps! ^_^

3 0

4 years ago

Guys please do the question at the bottom thanks.

vagabundo [1.1K]

7^2 - 3(4-2)^0 - 2(7+3) + 3^2
= 49 - 3 - 20 + 9
= 35

hope it helps

P.S

any number to the 0 power is always equal 1

6 0

3 years ago

20 students were surveyed about their favorite movie genre. 18 students picked comedy Based on these results predict how many st

VikaD [51]

Answer:

90/100

Step-by-step explanation:

You add 18 for every 20 students until you get to 100.

7 0

3 years ago