Sunday

July 24, 2016
Total # Posts: 13

**science (I NEED BACKUP!!!)**

1. Which is the most complete model of feeding relationships? a.) food web b.) food chain c.) food pyramid d.) all of the above 2. _____ eat consumers only, while _____ eat both consumers and producers. a.) Producers; carnivores b.) Carnivores; omnivores c.) Herbivores; ...
*November 27, 2015*

**Social Studies**

I HAD THIS QUESTION LAST YEAR!!! I CHOSE D AND IT WAS CORRECT GOOD LUCK ON YOU!
*November 13, 2015*

**maths sets**

All the people in a class of 35 play at least one of the games volleball,netball and hockey.10 play volleball only,5 play netball only and 3 play hockey only.if 2 play many of all 3 gamez and the equal number play 2 games.how many altogether play volleball
*October 17, 2013*

**Physics**

Life scientists use ultracentrifuges to separate biological components or to remove molecules from suspension. Samples in a symmetric array of containers are spun rapidly about a central axis. The centrifugal acceleration they experience in their moving reference frame acts as...
*June 15, 2012*

**intro to physics **

an athlete executing a long jump leaves the ground at a 28 degree angle and lands 7.6 m away. part a )what was the takeoff speed ? part b) if this speed were increased by just 8.0% , how much longer would the jump be ? for part a) i got roughly 9.48 but i am getting the ...
*April 21, 2012*

**intro to physics**

I was wondering if you guys can help me with this question An airplance is traveling 835 km/h in a direction 41.5 degrees west of north. part a) find the component of the velocity in the northerly direction part b) find the same but in the westerly direction part c) how far ...
*April 21, 2012*

**@ elena - intro to physics **

I posted this question earlier and thank you for respnding, but the answer you give me was incorrect. I try looking at hw you solve and cant find the mistake but when when I check your answer it said it was wrong. Can you please look over it again, I greatly appreciate it a ...
*April 15, 2012*

**intro to physics**

a toy rocket moving vertically upward passes by a 2.2m- high window whose sill is 7.0m above the ground. the rocket takes 0.17s to travel the 2.2m height of the wondow part a): what was the launch speed of the rocket ? assume the propellant is burned very quickly at blastoff ...
*April 15, 2012*

**intro. to physics**

a helicopter is ascending vertically with a speed of 5.20 m/s. at a height of 100 m above the Earth, a package is dropped from a window. how much time does it take for the package to reach the ground ? (hint: v0 for the package equals the speed of the helicopter). thank you !
*April 15, 2012*

**Statistic**

A distribution has a standard deviation of ó = 9.5. Find the z-score for a score above the mean by 4 points. note: round to 2 decimal places, and enter the value of the z-score but do not write "z = " in your answer
*October 17, 2011*

**Calculus Precalculus**

Yes, I saw it posted already on here.
*August 27, 2011*

**college**

A ladder 10 feet long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a speed of 2 ft/s, how fast is the angle between the top of the ladder and the wall changing when the angle is /4 radians?
*November 30, 2010*

**English**

I don't need help with this, I just need your opinion. I'm in ninth grade advanced English, and one of our vocabulary words is "frequently." Do you find that hard to believe we have to "memorize" a word like that?
*May 21, 2009*

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