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Mathematics 12 Online
OpenStudy (anonymous):

Is square root of seventy-one rational or irrational? Explain your reasoning

OpenStudy (anonymous):

Please help me need to pass an Exam anyone with the best answer will get a medal.

OpenStudy (anonymous):

so does that mean its irrational?

OpenStudy (wolf1728):

rational - can be expressed as a fraction irrational - CAN'T be expressed as a fraction .142857142857142857... IS a rational number It CAN be shown as a fraction = 1/7 square root of 71 CANNOT be shown as a fraction square root of 71 = 8.42614977317636 MOST square roots CANNOT be expressed as a fraction

OpenStudy (wolf1728):

Square root of 71 IS IRRATIONAL :-)

OpenStudy (anonymous):

thanks hey I have another question for you .

OpenStudy (wolf1728):

Okay - go ahead

OpenStudy (anonymous):

Do the points the coordinate pairs two comma eight, eight comma eight, eight comma zero, and two comma zero represent the vertices of a square or a rectangle? Explain.

OpenStudy (anonymous):

HELP ME OUT ANYONE PLEASE!!!!

OpenStudy (wolf1728):

The four points (2,8) (8,8) (8,0) (2,0) form a (6 x 8( width by height) rectangle

OpenStudy (wolf1728):

Sorry for the delay L1yah - I had to retype the 4 co-ordinates and make a graphic. :-)

OpenStudy (anonymous):

its ok thanks for the help .

OpenStudy (wolf1728):

okay glad I could help out

OpenStudy (anonymous):

hey I have another question out if you can find it and help out that would be very nice of you thanks for everything though.

OpenStudy (wolf1728):

go ahead

OpenStudy (anonymous):

Which statement is true? square root of five is less than 2 8 is greater than square root of sixty-seven 9 is less than square root of ninety square root of seven is greater than 3

OpenStudy (wolf1728):

sqrt (5) = 2.2360679775 sq root(67) = 8.1853527719 sq root (90) = 9.4868329805 sq root (7) = 2.6457513111 It seems that 9 is less than square root of ninety is true

OpenStudy (anonymous):

thanks hey not be a problem or anything but I have two more problems

OpenStudy (wolf1728):

Might as well

OpenStudy (anonymous):

Match the vertices of each triangle with its classification. Match Term Definition (1, -2), (3, 3), (5, -2) A) right scalene (3, -2), (1, -2), (-2, 0) B) right isosceles (-4, 2), (-4, 6), (0, 2) C) acute isosceles (3, 5), (5, 1), (3, 1) D) obtuse scalene

OpenStudy (anonymous):

Hey are you their????????

OpenStudy (wolf1728):

Yes I'm still here (working on your ONE problem) - there's another problem after this right?

OpenStudy (wolf1728):

That problem is worded VERY badly. (I think you can match the multiple choice letters to the triangle coordinates correct?)

OpenStudy (wolf1728):

It would be a LOT easier if the triangles were numbered (1 through 4) and then you had to match those to the letters (A through D).

OpenStudy (wolf1728):

Here are the triangles matched up by coordinates to letter.

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