# Posts by Char

Total # Posts: 29

**Calculus : **

The rate at which ice in a skating pond is melting is given by dV/ft = -4t - 2 Where V is volume of the ice in cubic inches and t is time in days after March 1st. Skaters can use the pond as long as the volume is greater than 3 cubic ft. If the ice is 5cubic ft in march 1st, ...

**Math**

There will be 45 adults going to the museum. There will be twice as many students as adults. Adult tickets cost $25 each. Student tickets cost $12 each. How would you represent this question using a tape diagram?

**algebra**

If al items are 0.(99) cents each what is the cost C(x) if 2 items are purchased

**Accounting**

First, you have to categorize each transaction as financial, operating, or investment. THEN, determine if the total assets increases, decreases, or stays the same. THEN, determine if the total income decreases, increases, or stays the same. THEN determine what financial ...

**World Geography**

I think it's A

**math**

What is the scale factor of 120 yds long and 1 in equals 20 yds?

**Math**

Which two terms in (3+14)+27 could you add to get a multiple of ten

**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?

**accounting**

music store

**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?

**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?

**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 ...

**Math**

I invested $25000 and received $1100 interest.what amount paid 3 percent and what amount received 5 percent for the $1100?

**math**

What are the vectors <1,0> and <0,1> called?

**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

**Math**

What is the Least Common Multiple of (31,180)

**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.

**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 ...

**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 ...

**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)=?

**psych**

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

**Psychology**

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

**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 ...

**curriculum content**

Kindergarten

**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.

**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 ...

**5th grade**

what number is 10,000 less than 337,676?

**Science**

What is the meaning of Controlled Variable? and Uncontrolled Variable?

**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 ...