Halle
Most popular questions and responses by Halle
Trig
The angle 2x lies in the fourth quadrant such that cos2x=8/17. 1.Which quadrant contains angle x? 2. Determine an exact value for cosx 3. What is the measure of x in radians?  I know that quadrant 4 has 2x in it, so quadrant _____ has to
asked on May 31, 2009 
Math
Use your knowledge of exponents to solve. a) 1/2^x=1/(x+2) b) 1/2^x>1/x^2 So I know that these functions are rational functions.. and I am trying to solve for x. I tried to solve them by I keep getting stuck with the exponent 2 which is the exponential
asked on June 7, 2009 
Math
The acceleration due to gravity is inversely proportional to the square of the distance from the centre of Earth. The acceleration due to gravity for a satellite orbiting 7000 km above the centre of Earth is 8.2 m/s^2. a) write a formula for this
asked on June 1, 2009 
Physics
A)Blood flows in an aorta of radius 4.50mm at 27.5cm/s. Calculate the volume flow rate. B)Although the crosssectional area of a capillary is much smaller than that of the aorta, there are many capillaries, so their total crosssectional area is much
asked on April 13, 2018 
Math
Hi there I need help with the restrictions on the variables of this question: Simplify. State any restrictions on the variables. log(x^2+7x+12)/log(x^29) So my answer is: log(x+4/x3) which is correct. Now for the restrictions, I have: x3 However the back
asked on June 13, 2009 
Social Studies
In ancient Greece, what was the importance of the Olympics? Thanks so much to anyone who will try to help!
asked on February 7, 2014 
chemistry
A student dissolves 0.550 mol of a nonvolatile, nonelectrolyte solute in one kilogram of benzene (C6H6). What is the boiling point elevation of the resulting solution? in degrees celsius
asked on June 1, 2010 
Math
Explain how you can transform the grap of f(x)= logx to produce g(x)=log(10nx), for any n>0.
asked on June 13, 2009 
Math
Trig Identity Prove: cos(x+y)cos(xy)=cos^2(x)+cos^2(y)1
asked on June 18, 2009 
Biology
How do ATP and ADP function in capturing and releasing energy?
asked on March 5, 2016 
Algebra 1
Andrew is making a plan to complete a class math assignment. He has 48 problems to complete over 5 days. He decides to complete the assignment is such a way that his total number of completed problems doubles every day. He realizes that that number must be
asked on October 26, 2014 
Algebra 1
(2y^1)^2  (4y)^2 The answer is supposed to be 64 but I can't seem to get it. Thanks to anyone who can help!
asked on April 30, 2015 
Pre Algebreplease help!
If there is a cylinder that is 3cm. tall and has a radius of 7.5cm. what is the surface area? Please help! Thanks!
asked on February 26, 2014 
Lang. Arts//Reading
What is the theme of the book "Kingdom Keepers", Disney After Dark? It is the first book and it is written by Ridley Pearson.
asked on February 17, 2014 
Pre Algebra
Hi, does anybody know what a quadrilateral in which opposite sides are congruent and parallel is? It's on a crossword puzzle on my math homework and is thirteen letters long and from the beginning the seventh letter is an E. Thanks so much to anyone who
asked on February 9, 2014 
math percentage
1/5 of 8300 2/3 of 10,599
asked on October 28, 2010 
5th grade
62.743.85=
asked on September 29, 2009 
5th grade
62.743.85=
asked on September 29, 2009 
5th grade
62.743.85=
asked on September 29, 2009 
Math
Required to Prove the following trig identity: (cos2x)^2 + (sin2x)^2 = 1
asked on June 18, 2009 
Math
If cos A = 1/3 with 0 < A< pi/2, and sinB=1/4, with pi/2
asked on June 14, 2009 
science/math
Kelly hiked a total of 4 miles in 80 minutes. How fast was Kelly walking.
asked on February 27, 2013

Math
you all say "dont cheat" "your stupid" but aye fake it till you make it real talk!! some people don have a choice I'm fing stupid so thank you for this website fr fr
posted on November 7, 2018 
social studies
what are the answers?
posted on November 7, 2018 
Science Help!
so its c? or d?
posted on November 7, 2018 
Physical Science
I mean.. dang you gotta fake it till you make it 🤷🏽♀️
posted on November 5, 2018 
math
10
posted on March 23, 2017 
math
211
posted on March 23, 2017 
Math
10 equals nobody cares
posted on September 21, 2015 
Algebra 1
I'm still super confused if anyone else can help I'd love it!
posted on April 30, 2015 
Physics
Hey Samantha, if you see this, send me a message at hallegoulding@gmail(dot)com I think we're in the same physics class :)
posted on November 7, 2014 
Math
213c if c=7 {substitute and solve}. so... 213x7 2121 =0
posted on February 25, 2014 
Pre Algebra
Haha, ya! thank you so much steve!
posted on February 9, 2014 
synonyms
Pretending to be hurt.
posted on February 9, 2014 
Social Studies
Thanks Ms.Sue! I really needed an answer like yours. It was so helpful!!
posted on February 9, 2014 
math
Sorry I wasn't entirely sure if rounding was needed. My mistakesorry!
posted on February 7, 2014 
Health/PE
If you do a neck stretch, you can do a type of stretch on the right side of your head and then you could do that same type of stretch on the left side. And for the calf stretch you can do calf raises with your toes pointing in and out they give a different
posted on February 7, 2014 
math
Hi I really hopes this helps. So from what I understand your asking for 11 times 12 divided by 15. So, 11 times 12=132 and 132 divided by 15 is 8.8 if you round then 9.
posted on February 7, 2014 
Math
Sorry the question is: log[(x^2+7x+12)/x^29)]
posted on June 13, 2009 
6th Grade Social Studies
why was there an increase in the amount of goods produced during the industrial revoluton
posted on June 5, 2009