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(#M40088733) EXAM QUESTION Keep an EYE

Please help me solve this..Thank You!

What is the difference between 2x^2+4xy-3 and x^2xy-4>

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(#M40088732) EXAM QUESTION Keep an EYE

<a is complementary to <c. If <a=2x-10 and <c=4x+10, find the m<a and m<c.

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(#M40088731) EXAM QUESTION Keep an EYE

An express train and a local train leave Gray’s Lake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local and arrives 1 hour ahead of the local. Find the speed of each train.

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(#M40088730) EXAM QUESTION Keep an EYE

Could you please help me with this problem.

y varies jointly as a and b and inversely as the spuare root of c. y=48 when a=4, b=8, and c=36. Find y when a=2, b=7, and c=16.

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(#M40088729) BOOK QUESTION Keep an EYE

write as a single logarithm

log2(1/x)+log2(1/x^2)

Thank you

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(#M40088728) EXAM QUESTION Keep an EYE

Show that x-a-b is a factor of (x^3)-(a^3)-(b^3)-3ab(a+b), preferably using synthetic division.

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(#M40088726) EXAM QUESTION Keep an EYE

Kay spends 250min/wk excercising. Her ratio of time spent on aerobics to time spent on weight training is 3 to 2. How many miunutes per week does she spend on aerobics? How many hours per week does she spend on weight training?

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(#M40088725) EXAM QUESTION Keep an EYE

sketching this graph of P(x)=X5(X+2)3 (X-3)4 (X-5)3
the numbers after the X and outside the parenthesis are the small numbers i.e x square but I have no idea how to do this little numbers on my computer

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(#M40088724) EXAM QUESTION Keep an EYE

6-b=5b+30

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(#M40088723) EXAM QUESTION Keep an EYE

How would I solve this for kj?:

ln(kj/15) = 2ln(kj/60)

The answer is kj = 240, but I am unsure as to how to get there. Thanks for your help.

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