Friday

August 28, 2015
Total # Posts: 20

**Chemistry**

If I have pH of lemon juice that is 2.3 after I dilute it with 9 cups of water, what is the pH and how do I figure it out?
*March 25, 2015*

**Math**

Please Help!!!! Christine borrowed $8000 at a rate of 11%, compounded semiannually. Assuming she makes no payments, how much will she owe after 8 years?
*January 15, 2015*

**Stats **

Most decks of playing cards contain 4 suits - hearts, clubs, diamonds, and spades. If you choose one card from the deck at random, what is the probability that it will be from the suit hearts?
*September 29, 2014*

**Physics**

Table 1: Temperature and volume data Trial Temperature (Celsius) Volume (mL) Starting Volume Room Temperature = Hot Water Trial 1 106 5.2ml Hot Water Trial 2 107 5.4ml Cold Water Trial 1 lo 4.3ml Cold Water Trial 2 lo 4.3ml PLOT AREA (Insert a graph that you either drew here ...
*April 20, 2014*

**Math**

I invested $25000 and received $1100 interest.what amount paid 3 percent and what amount received 5 percent for the $1100?
*February 19, 2014*

**math**

What are the vectors <1,0> and <0,1> called?
*February 24, 2013*

**math**

if it takes 2 cups of peanut butter for every 3 1/4 cups of flour how many cups of flour are needed for 5 cups of peanut butter
*February 7, 2013*

**Math**

What is the Least Common Multiple of (31,180)
*October 24, 2012*

**Math**

in the back stockroom at the wheel shop, the number of seats and horns equaled the number of wheels. the number of seats and handlebars equaled the number of horns. twice the number of wheels is equal to 3 times number of handlebars. Determine the relationship of horns to seat.
*October 21, 2012*

**PHYSICS**

Blocks A (mass 2.50 kg) and B (mass 10.00 kg) move on a frictionless, horizontal surface. Initially, block B is at rest and block A is moving toward it at 5.00 m/s. The blocks are equipped with ideal spring bumpers. The collision is head-on, so all motion before and after the ...
*March 30, 2012*

**PHYSICS**

Two cars collide at an intersection. Car A, with a mass of 2000kg, is going from west to east, while car B, of mass 1300kg, is going from north to south at 15.0m/s. As a result of this collision, the two cars become enmeshed and move as one afterwards. In your role as an ...
*March 30, 2012*

**trig**

If cos(t)=(-7/8) where pi<t<(3pi/2), find the values of the following trig functions. cos(2t)=? sin(2t)=? cos(t/2)=? sin(t/2)=?
*May 30, 2011*

**psych**

If motivation consists only of drive-reduction, what is the perfect state of a human being?
*May 15, 2011*

**Psychology**

If motivation consists only of drive-reduction, what is the perfect state of a human being?
*May 7, 2011*

**Physics - please help!**

Particles 1 and 2 of charge q1 = q2 = +3.20 x 10-19 C are on a y axis at distance d = 22.0 cm from the origin. Particle 3 of charge q3 = +9.60 x 10-19 C is moved gradually along the x axis from x = 0 to x = +5.0 m. At what value of x will the magnitude of the electrostatic ...
*April 3, 2011*

**physics (SAT 2)**

A horse is pulling a canal boat at 12 degrees to the rope. Tension of the rope it 1150 newtons. The canal is moving at a steady speed. Calculate the resistive forces opposing the boats forward motion.
*September 27, 2010*

**physics**

An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +7.93 x 105 m/s to a final velocity of 2.90 x 106 m/s while traveling a distance of 0.0904 m. The ...
*September 24, 2010*

**5th grade**

what number is 10,000 less than 337,676?
*September 8, 2010*

**Science**

What is the meaning of Controlled Variable? and Uncontrolled Variable?
*August 27, 2007*

**the big idea of energy**

ok...it is where the particles collide to form a compound. Energy is stored in the form of magnesium then burnt. The energy changes state to light,heat and sound. Energy can't be created or changed,it changes form. When something burns, you aren't making energy, just ...
*December 5, 2006*

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