Friday
December 13, 2013

# Posts by Catherine

Total # Posts: 347

Basic algebra
Solve the equation: 3(-2x+1)=-5(x+1)

Basic Algebra
I have to solve the following equation and check my work. Not sure how to do this if someone oculd help me out. The problem is (17b-5)-8(2b+4)=-6

Basic Algebra
I am having a hard time trying to figure out this problem, if someone could help me...I'd appreciate it: I have to solve the problem 7x-(6x+4)=4

trig
find the least positive value of @. sec (4@+10)cos(3@+17) @=theta

Isabella drops a chunk of iron of mass m from the roof of her high school and it accelerates at g. Then she ties two chunks of iron together of mass 2m. Show that when she drops the double chunk, the acceleration of fall is also g. Thank you :)

Science
What two major factors determine the size of a star? Is it a) Gravity and Mass OR b) The force of gravity pulling in trying to make the star as small as possible and the outward pressure from the radiation generated in the core trying to swell it up. Thanks :) Because I'm ...

Science
By what factor would your weight change if the earth's diameter were doubled and its mass were also doubled? Thanks :)

Science
What are two competing effects that determine the size of the star? Please keep the answer short and thank you.

Physics
Just wanted to thank you for answering all my questions even though I was clearly lost during most of this process... I finally got it... Thanks =D

Physics
Sorry for reposting this but I'm still confused with the last part... You have been sent in a small spacecraft to rendezvous with a space station that is in a low circular Earth orbit, say, with a radius of 6,720 km, approximately that of the orbit of the International Spa...

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