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pickupchik [31]
3 years ago
6

Which property is 5+ a = a + 5 ?

Mathematics
1 answer:
zheka24 [161]3 years ago
6 0

Answer:

commutative \: property \: of \: addition \\ thank \: you

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Step-by-step explanation:

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(6+√25)/(4-√3) can be written in the form of (2+s√3)/13 where r and s are both integers what are the values of r and s
cestrela7 [59]

Answer:

r = 33

s = 18

Step-by-step explanation:

Given expression is \frac{6+\sqrt{27}}{4-\sqrt{3}}.

Multiply numerator and denominator with the conjugate of (4 - √3).  

\frac{(6+\sqrt{27})(4+\sqrt{3})}{(4-\sqrt{3})(4+\sqrt{3})}

= \frac{4(6+\sqrt{27})+\sqrt{3}(6+\sqrt{27})}{4^{2}-(\sqrt{3})^2}

= \frac{24+4\sqrt{27}+6\sqrt{3}+\sqrt{81})}{16-3}

= \frac{24+12\sqrt{3}+6\sqrt{3}+\sqrt{81})}{16-3}

= \frac{24+18\sqrt{3}+9}{13}

= \frac{33+18\sqrt{3}}{13}

Now compare this expression with \frac{r+s\sqrt{3} }{13}

r = 33

s = 18

3 0
3 years ago
The circumference of a circle is 20π cm. What is the DIAMETER of the circle?
Sladkaya [172]

Answer:20cm

Step-by-step explanation:

Circumference=20π

Diameter=circumference ➗ π

Diameter=20π ➗ π

Diameter=20

Diameter=20cm

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3 years ago
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