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Volgvan
3 years ago
7

What order should you simplify like terms in? E.g.

5" id="TexFormula1" title="16-4\sqrt{5} -4\sqrt{5} +5" alt="16-4\sqrt{5} -4\sqrt{5} +5" align="absmiddle" class="latex-formula"> A video said to Simplify the numbers first as they will be positive?
But in 6+3\sqrt{5} +2\sqrt{5}+5 You simplify the surds first.
Mathematics
1 answer:
Basile [38]3 years ago
6 0

Answer:

It does not matter, since, from your second case, 5\sqrt5 +11 = 11+5\sqrt5.

In general is a matter of personal preference but in general I like to start with a positive number (I like \sqrt2 -1 more than -1+\sqrt2 since if there's an equal sign before I'm guaranteed to have the two signs mesh together in a few steps).

If everything you are adding together is positive, I just go first come first served and pick a new term in order it appears in the previous passage.

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How do u write 0.57 repeating as a fraction in simplest form explain the steps please!
Phantasy [73]

Answer:

57/99

Step-by-step explanation:

let's set up an equation:

x = 0.5757...

set up a second equation so the numbers after the decimal places are equal

100x = 57.5757...

subtract

100x = 57.5757...

- x = 0.5757

99x = 57

divide by 99

x = 57/99

7 0
3 years ago
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X(x-4)+y(y-10)=-29 x;y=?
zaharov [31]
X sqrd-4x+y sqrd-10= -29
y sqrd-10y = -29-X sqrd + 4X
y(y-10) = -29-X sqrd +4X
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3 years ago
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Digiron [165]
Area of a sector is x over 360 * pi r squares so in this case x would be 210 so it would be 210 over 360 and the pi r squared would be 24 pi and when we times that our answer is 14 pi

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3 years ago
If z varies inversely as w^2, and z=10 when w=6, find z when w=2
Dmitry [639]

Answer:

90

Step-by-step explanation:

If z varies inversely as w^2 then:

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Answer:

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