# Halle

Most popular questions and responses by Halle
1. ## 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

2. ## 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

3. ## 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

4. ## Physics

A)Blood flows in an aorta of radius 4.50mm at 27.5cm/s. Calculate the volume flow rate. B)Although the cross-sectional area of a capillary is much smaller than that of the aorta, there are many capillaries, so their total cross-sectional area is much

5. ## 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^2-9) So my answer is: log(x+4/x-3) which is correct. Now for the restrictions, I have: x3 However the back

6. ## Social Studies

In ancient Greece, what was the importance of the Olympics? Thanks so much to anyone who will try to help!

7. ## 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

8. ## Math

Explain how you can transform the grap of f(x)= logx to produce g(x)=log(10nx), for any n>0.

9. ## Math

Trig Identity Prove: cos(x+y)cos(x-y)=cos^2(x)+cos^2(y)-1

10. ## Biology

How do ATP and ADP function in capturing and releasing energy?

11. ## 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

12. ## 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!

If there is a cylinder that is 3cm. tall and has a radius of 7.5cm. what is the surface area? Please help! Thanks!

What is the theme of the book "Kingdom Keepers", Disney After Dark? It is the first book and it is written by Ridley Pearson.

15. ## 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

16. ## math percentage

1/5 of 8300 2/3 of 10,599

62.7-43.85=

62.7-43.85=

62.7-43.85=

20. ## Math

Required to Prove the following trig identity: (cos2x)^2 + (sin2x)^2 = 1

21. ## Math

If cos A = 1/3 with 0 < A< pi/2, and sinB=1/4, with pi/2

22. ## science/math

Kelly hiked a total of 4 miles in 80 minutes. How fast was Kelly walking.

1. ## 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 f-ing stupid so thank you for this website fr fr

posted on November 7, 2018
2. ## social studies

posted on November 7, 2018
3. ## Science Help!

so its c? or d?

posted on November 7, 2018
4. ## Physical Science

I mean.. dang you gotta fake it till you make it 🤷🏽‍♀️

posted on November 5, 2018
5. ## math

10

posted on March 23, 2017
6. ## math

211

posted on March 23, 2017
7. ## Math

10 equals nobody cares

posted on September 21, 2015
8. ## Algebra 1

I'm still super confused if anyone else can help I'd love it!

posted on April 30, 2015
9. ## 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
10. ## Math

21-3c if c=7 {substitute and solve}. so... 21-3x7 21-21 =0

posted on February 25, 2014
11. ## Pre Algebra

Haha, ya! thank you so much steve!

posted on February 9, 2014
12. ## synonyms

Pretending to be hurt.

posted on February 9, 2014
13. ## Social Studies

Thanks Ms.Sue! I really needed an answer like yours. It was so helpful!!

posted on February 9, 2014
14. ## math

Sorry I wasn't entirely sure if rounding was needed. My mistake-sorry!

posted on February 7, 2014
15. ## 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
16. ## 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
17. ## Math

Sorry the question is: log[(x^2+7x+12)/x^2-9)]

posted on June 13, 2009
18. ## 6th Grade Social Studies

why was there an increase in the amount of goods produced during the industrial revoluton

posted on June 5, 2009