Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 35

**geometry**

a playground is 50 yd by 50 yd. amy walked across the playground from one corner to the opposite corner. how far did she walk.

**health help me**

oh ok do you have a health link cause i do not have a book

**health help me**

1. Starches and sugars that provide energy (1 point)kidneys enzymes carbohydrates vitamins 2. The system that removes waste from the body and controls the body's water levels (1 point)excretory digestive system liver kidneys 3. Organs that remove waste material, including ...

**math**

Factor each of the following expressions X^2+2x+y^2 5x^2-16x+3 (X+y)^2-64 Ax+bx-ay-by

**Bio**

how do animals that live in different enviroments meet their need for efficent gas exhcange?

**Bio**

Why do fish take in oxygen through its skin but does not release carbon dioxide through its skin.

**math**

the ninth term of an arithmetic sequence is 23 and the 33rd term of the sequence is -241 , calculate the sume of the first 15 terms of the sequence , using the formula s=n(2a+(n-1)d)/2

**math**

The 65th therm in a geometric sequence is 8000, and the 69th term is 500, find the 64th term using the geometric series sum formula

**science **

your weight is 600 newtons and you have just finished building a raft which weighs 1000 newtons. what is the smallest upthrust force needed so that it will float with just you on it ? (please answer really quick )

**biology**

I really need help i am so confued !! use the crossover values given to calculate the sequence and the distance apart of the genes indicated P-m 7% K-m 28% P-K 21% m-C 5%

**Biology **

i really need help i am so stuck!! use the crossover values given to calculate the sequence and the distnace apart of the genes indicated p-m 7% K-M 28% p-k 21% m-C 5%

**Math**

I really need help with these questions I am very confused !!! 16^-1(2^5) 3^-26^-2+3/2(-9)^-1 (5^0+5^2)^-1

**Math **

the height , h(t) in metres of the trajectory of a football is given by h(t) = 2+28t-4.9t^2, where t is the time in flight, in seconds . Determine the maximum height of thefootball and the time wehn the height is reached

**math**

determine the maximum area of a rectangular field that can be enclosed by 2400 m of fencing

**Math( help please ! )**

Thank you so much !!!

**Math( help please ! )**

In class we learnt operation with radicals how would you answer a question like this determine the length of the line segment from A(-2,7), to B (4,1)?

**Math( help please ! )**

For what values of k will the function f(x)=3x^2+4x+k=0 have no zeros, one zero, 2 zeros

**Math( help please ! )**

a) f(x) = 4.1x +92.16 b) f(x) = 17.9x + 19.36 c) f(x) = 8.8x + 55.4 ANSWERS: a) 4.8 b) 0.93 c) 2.2, i just have no clue how they got these answers EXTRA INFO: The demand function for a new product is p(x)= - 4x +42.5, where x is the quantity sold in thousands and p is the pric...

**Math( help please ! )**

for what value of k will the function f(x)=kx^2-4k+k have no zeros the graph of the function f(x)=x^2-kx+k+8 touches the x-axis at one point. What are the possible values of k

**american literature**

napoli ovunque

**algebra**

You were correct!

**math**

srry no clue

**6th grade**

This website should help, hubpages(Dot)com/hub/Acid--Alkali remember to put an acual dot where the (Dot) is.

**science (energy)**

What is chemical potential energy?? :)

**Probability**

1 in four or one fourth

**physical chemistry PLEASE HELP!!!**

given E, = l^2 h^2 / 2 m r^2 calculate energies for an electron localised to a circle of radius 2 x 10^-9 m for l = 0,1,2, draw pictures of three levels and calculate the relative populations of these levels at 300K i did the first bit but came out with, 0, 6.0249 x 10-6 J mol...

**chem HELP PLEASE its physics side of chem **

given E, = l^2 h^2 / 2 m r^2 calculate energies for an electron localised to a circle of radius 2 x 10^-9 m for l = 0,1,2, draw pictures of three levels and calculate the relative populations of these levels at 300K i did the first bit but came out with, 0, 6.0249 x 10-6 J mol...

**physics/chem**

given E, = l^2 h^2 / 2 m r^2 calculate energies for an electron localised to a circle of radius 2 x 10^-9 m for l = 0,1,2, draw pictures of three levels and calculate the relative populations of these levels at 300K i did the first bit but came out with, 0, 6.0249 x 10-6 J mol...

**FL studies weekly or social studies**

in my newspaper why did the French and Spanish start fighting?

**sound science,**

an ____________________ can be made when sound bounces off an object.

**year7 re**

why do we give chocolate eggs at easter? what do they symbolise.?thanks

**science**

what household foods/products are acids/alkali

**chemistry**

yes

**sociology**

Too funny! I too am an Axia student. I too did research to try to understand what the crap the other methods that sociologists used to calculate prejudice was. This thread was very helpful. Thanks All!

**unscrambling word**

ticlai

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