Friday
December 6, 2013

# Posts by rebekah

Total # Posts: 437

check my precalc
State if it is a polynomial. If yes, say the degree. 2.f(x)=5x^2 +4x^4 4.f(x)=3-(1/2x) 6.f(x)=x(x-1) 8.f(x)=sqaure oot of x (square root of x-1) 10.f(x)=(x^2-5)/x^3 12. f(x)=-3x^2(x+2)^3 my answers 2.yes, 6 4.yes, 1 6.yes, 3 8.no 10.no 12.yes, 5 thanks!!

spanish
what is a word in spanish that starts with a t the means like muy muy muy(very)

bio- botony
The water pressure that pushes water and sugar from sugar source to sugar sink is referred to as _____. The answer is bluk flow but idk why. Why isnt i translocation or transpiration?

bio
what is the difference between translocation and transpiration? and do they both occur in xylem and phloem?

check my precalc
Thanks so much!

check my precalc
#1. solve x^2-1<0 I got (-1,1) #2 x(x+1) >20 I got (-infinity, -4) U (5,infinity) #3 what is the domain of this function? f(x)= squre root of (x-3x^2) i got [-1/3,0] thanks!!!

Precalc
# 1 a special window has the shape o a rectangle surmounted by an eqilatera tiangle. ifthe perimeter o the winow is 16 ft, what dimensions will admit te most light (area of triangle= suarre root of 3/4 times x2.

chemistry
A sample of the male sex hormone testosterone, C19H28O2, contains 4.09 1021 hydrogen atoms What is the mass of this sample in grams? i got 0.0697g but its wrong

precalc
# 1 a special window has the shape o a rectangle surmounted by an eqilatera tiangle. ifthe perimeter o the winow is 16 ft, what dimensions will admit te most light (area of triangle= suarre root of 3/4 times x2.

chemistry
it is wrong

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