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Alex Ar [27]
3 years ago
13

What number belongs in the blank space in the formula??

Mathematics
1 answer:
inn [45]3 years ago
6 0
A.6 
The formula is An=An-1+d
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A 30cm ruler sometimes measures inches on the other side.
Alisiya [41]

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∆ 30cm

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5cm =2inch

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Step-by-step explanation:

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What is the product?( square root 3x+ square root 5) (square root 15x+ 2 square root 30)
hichkok12 [17]
(\sqrt{3x}+\sqrt5)\cdot(\sqrt{15x}+2\sqrt{30})\\\\=(\sqrt{3x})(\sqrt{15x})+(\sqrt{3x})(2\sqrt{30})+(\sqrt5)(\sqrt{15x})+(\sqrt5)(2\sqrt{30})\\\\=\sqrt{(3x)(15x)}+2\sqrt{(3x)(30)}+\sqrt{(5)(15x)}+2\sqrt{(5)(30)}\\\\=\sqrt{45x^2}+2\sqrt{90x}+\sqrt{75x}+2\sqrt{150}\\\\=\sqrt{9x^2\cdot5}+2\sqrt{9\cdot10x}+\sqrt{25\cdot3x}+2\sqrt{25\cdot6}\\\\=\sqrt{9x^2}\cdot\sqrt5+2\sqrt9\cdot\sqrt{10x}+\sqrt{25}\cdot\sqrt{3x}+2\sqrt{25}\cdot\sqrt6
=3x\sqrt5+2\cdot3\sqrt{10x}+5\sqrt{3x}+2\cdot5\sqrt6\\\\=3x\sqrt5+6\sqrt{10}+5\sqrt{3x}+10\sqrt6
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3 years ago
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Given f(x) = 8x + 25, find x when f(x) = 9.
elixir [45]

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Step-by-step explanation:

7 0
3 years ago
1. question in attachment
skelet666 [1.2K]
Was there a chart with this?
4 0
2 years ago
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