# Posts by rayan

Total # Posts: 21

**Chemistry**

which compound shows small change in solubility from 0°C to 100°C?

*February 13, 2017*

**Physics**

why are you multiplying by 1/2

*February 4, 2017*

**Physics**

A police car stopped at a set of lights has a speeder pass it at 100 km/h. If the police car can accelerate at 3.6 m/s^2, how long does it take to catch the speeder?

*February 4, 2017*

**Physics**

an empty rd bottle weighs 60 grams but weighs 120 gram when completely filled with water when the bottle is completely with an unknown liquid it weighs 90 gram what will be the volume of the rd bottle

*July 19, 2016*

**Pre-Calculus 11**

I have one more question I tried this question but got the wrong answer... 3-x= √x^2-5 (The square root is over whole x^2-5) My answer was x=2/3

*July 10, 2016*

**Pre-Calculus 11**

isn't negative not supposed to go inside the cube root

*July 10, 2016*

**Pre-Calculus 11**

What is the entire radial form of -3* cube root of 2? I go cube root of 54 as my answer but it is wrong

*July 10, 2016*

**physics**

A white billiard ball with mass mw = 0.1 kg is moving with a speed of v = 0.5 m/s making angle 60 degree and collides with a black billiard ball with the same mass mb = 0.1 kg that is initially at rest. The distance between the black ball and the pocket is 10cm\ friction exist...

*November 20, 2014*

**Math:Algebra**

(2*87) -l

*November 16, 2014*

**Math:Algebra**

Maya has 2 times as many apples as Ally if Ally has 87 apples how many apples dose Maya have now? Maya's sister takes some away. Write an algebraic expression that represents the amount of apples they have now?

*November 16, 2014*

**physical**

an airplane takes off at an angle of 30 to the horizontal. if the component of its velocity along the horizontal is 250 km/h , what is its actual velocity? also find the vertical component.

*March 7, 2014*

**biology 2**

The digestive, circulatory, respiratory, immune, and excretory systems all work together to maintain homeostasis. Discuss how a minor malfunction in one of these systems could lead to major malfunctions in others. If methods were developed to improve the efficiency and ...

*October 14, 2013*

**Math**

How to make "freyer model" of 437?

*September 3, 2013*

**chemistry**

how to determine the oxalate and copper in K[Cu(C2O4)2].2H2O

*May 8, 2013*

**algebra**

Sort these numbers describe your sort rule 5, 10, 16, 19, 24, 37, 40

*February 11, 2013*

**math 3 grader**

Sort these numbers describe your sort rule 5, 10, 16, 19, 24, 37, 40

*February 10, 2013*

**maths**

find out 10 pairs of one digit numbers whose product end with the digit 0?

*January 2, 2013*

**math**

304

*October 4, 2012*

**Physics**

Why do you multiply by 1/2?

*October 2, 2010*

**science grade 9**

how do the products of their decomposition compare

*November 26, 2009*

**science grade 9**

why are you so smart

*November 26, 2009*

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