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From the set A={3,root2,2root3,root9,root7},a number

From the set A={3,root2,2root3,root9,root7},a number is selected at random.find the probability that is a rational number.
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2. asked by I-learn
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Multiply (square root7)x(−square root2) . Give an exact answer.
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2. asked by XavionFrost77
3. 103 views
If m = 1+(1/root3)+(1/root 5)+(1/root7)+........... andn = 1+(1/root2)+(1/root 4)+(1/root6)+... Then find m+n and m-n??
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2. asked by Kaur
3. 651 views
two forces F1 and F2 acting at a point have a resultant F. If F2 is doubled, F is also doubled. If F2 is reversed in direction,
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2. asked by raghavendra
3. 814 views
how do you solve this?-2square root7-4square root7
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2. asked by Erin
3. 407 views
parameterize the portion of the unit circle that begins at the point (-root2/2, root2/2) and ends at (0,-1)
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2. asked by i need help
3. 458 views
my roots are (1+isq.root2)(1-isq.root2)I then used long division: X^4-4X^3+4X^2-9/X^2-X-4 I got the answer X^2-8X+32 with a
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2. asked by Jessica
3. 433 views
Find the roots of the following quadratic equations (if they exist)by the mnethod of completion of the square .(i)
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2. asked by help()!!!!!
3. 457 views
I have no idea how tp simplify 2 sq.root20-3 sq.root7-2 sq.root5+4 sq.root63? I guessed 2 sq.root5-3 sq.root7+4 sq.root63 is it
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2. asked by katelynn
3. 590 views
What point on the unit circle corresponds to -5pi/4?A. (-Root2/2, Root2/2) B.(-Root3/2, 1/3 C.(-1/2, Root3/2) D.(0,1) D?
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2. asked by Robert
3. 638 views