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3 years ago

13

given: a= the square root of 3 b= 2 times the square root of 3 c= the square root of 25 d= the square root of 16 wich expression

results in a rational number?

1 answer:

katrin2010 [14]3 years ago

3 0

I think it might be b

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Need help! please reply with right answers please.

Lerok [7]

Answer:

37

Step-by-step explanation:

if lucy was half lisa's age at 6, that means she was 3. so there's a 3 year difference between the two sisters, so now if Lisa is 40, that makes Lucy 37.

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Luke is decorating trees for an outdoor birthday party. There are 3 trees and Luke needs 4.25 yards of ribbon for each tree.

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4 years ago

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2 years ago

1. If quadrilateral ABCD is rotated 270° clockwise about the origin, find the coordinates of B'.

Zielflug [23.3K]

Answer:

The coordinates of B' are (-3, 5).

Step-by-step explanation:

For every 90 degrees rotated, the coordinate numbers switch and one is multiplied by -1, when clockwise it's the 2nd one, and when counterclockwise, it's the 1st.

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3 years ago

Find the values of x when y=1

kirill [66]

Answer:

$x=1+\sqrt{5}, 1-\sqrt{5}$

Step-by-step explanation:

$x^{2} -2x-4=0$
$(x-1)^{2} -1-4=0$
$(x-1)^{2} -5=0$
$(x-1)^{2} =5$
$x-1=\sqrt{5} ,-\sqrt{5}$
$x=1+\sqrt{5} , 1-\sqrt{5}$

<u>FINAL ANSWER</u>

$x=1+\sqrt{5} , 1-\sqrt{5}$

<u><em>In Decimal Form (Rounded to 3 significant figures)</em></u>

<em>x≈-1.24, 3.24</em>

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