Sunday

April 26, 2015

April 26, 2015

Total # Posts: 52

**Math- Vector Calculus**

A manufacturer sells two products, one at a price of $3000 a unit and the other at a price of $12000 a unit. A quantity q1 of the first product and q2 of the second product are sold at a total cost of $5000 to the manufacturer. Express the manufacturer's profit, as a ...
*January 31, 2015*

**chemistry**

If you have 22.46 mLs of a gas at STP, how many moles of gas do you have?
*October 29, 2014*

**physics**

a projectile with mass (m)=35grams is placed on a vertically positioned spring. the spring constant (k)=6500N/m. the projectile is launched straight up into the air by compressing the spring a distance (x)=8cm.How high does the projectile go?
*October 21, 2013*

**physics**

a projectile with mass (m)=35grams is placed on a vertically positioned spring. the spring constant (k)=6500N/m. the projectile is launched straight up into the air by compressing the spring a distance (x)=8cm.How high does the projectile go?
*October 21, 2013*

**Alg 1**

-2,-3
*April 13, 2013*

**Maths**

Gerry earns $0.60 for every canned drink he sells. He earns an extra bonus of $5 for every 20 cans he sells. How many cans does he sell if he earns $53.40? Kevin and Janet had 480 books in total. After Kevin gave 1/9 of his books to Janet, they had an equal number of books. ...
*November 6, 2012*

**Maths**

There are a total of 70 pebbles in Bag A and Bag B. There are a total of 120 pebbles in Bag B and Bag C. Bag C contains 3 times as many pebbles as Bag A. How many pebbles are there in Bag B? There were 27 pineapple tarts and murukus. The ratio of the number of pineapple tarts ...
*November 6, 2012*

**Maths**

There were 40 members in a hockey club. 3/8 of them were girls. When more girls joined the club, the percentage of the number of girls increased to 75%. How many more girls had joined the club? Some teachers attended a workshop. They were divided into Group X and Y. The ratio ...
*November 6, 2012*

**Maths**

The sum of 5 numbers is p. If each number is increased by 40, what is the new sum of numbers?
*November 6, 2012*

**Trig**

It says to evaluate the expression
*October 19, 2012*

**Trig**

Sin theta=8/17, theta in Quadrant I, Cos X=-sqrt5/5 in Quadrant II
*October 19, 2012*

**Social**

Que tipo de de sistema politico tiene la reina isabel 2
*August 28, 2012*

**Calculus**

A tank contains 2920 L of pure water. A solution that contains 001 kg of sugar per liter enters a tank at the rate 4 L/min The solution is mixed and drains from the tank at the same rate. (a) How much sugar is in the tank initially? (b) Find the amount of sugar in the tank ...
*May 22, 2012*

**math**

The number is a two-digit number. The number is an even number less than 50. The sum of the digits in the ones and tens places is the double of 5. The tens place digit is less than the ones place digit What is the number?
*April 26, 2012*

**business**

whenever a two-tailed test is being conducted, the the rule of thumb requires which signs?
*January 19, 2012*

**3rd Grade Math**

5 Arrays 1x16 16x1 2x8 8x2 4x4
*December 15, 2011*

**geometry**

FIND THE THIRD ANGLE IN A TRANGLE IF TWO OF THE ANGLES ARE 43 AND 114
*December 7, 2011*

**Chemistry**

Please!!! its extremely urgent. i do not need answers, only how to do it A sample of nitrogen gas (N2) kept in a container of volume 10.1 L and at a temperature of 20.3°C exerts a pressure of 3.1 atm. Calculate the number of grams of gas present. Round to one decimal place...
*October 17, 2011*

**calculus**

1/tanx + 1/cotx =tanx +cotx verify
*May 24, 2011*

**chemistry**

what mass of KOH is reqired to react completely with 2.70g of H2So4 to produce K2S04 and water?
*March 10, 2011*

**psychology**

How could an adolescent (aged 12-17) face Erikson’s crisis of Generativity vs. Stagnation, which is typically experienced in middle adulthood (2 pts)?
*February 2, 2011*

**Math**

Find the maximum area of a triangle formed in the first quadrant by the x-axis, y-axis, and a tangent line to the graph of y = (x+1)^-2
*November 12, 2010*

**history**

create a college that shows how ancient greek culture is reflected in modern-day society.
*November 9, 2010*

**chemistry**

A block of metal has a width of 3.2cm, a length of 17.1 cm, and height of 5.2 cm. Its mass is 1.1 kg. Calculate the density of the metal
*September 11, 2010*

**Physics**

A copper wire 0.40m long carries a current of 6.0A and weighs 0.35N. What strenght magnetic field is required to balance the weight of the wire?
*May 5, 2010*

** Physics**

A wire 75cm long carrying a current of 6.0A toward the north passes through a uniform magnetic field. The magnitude of the force acting on the wire is 0.60N and is directed downward. What is the strengh and direction of the magnetic field?
*May 5, 2010*

**Physics**

A 0.50m long wire is carrying a current of 8.0A toward the east. The wire passes through a magnetic field of 0.40T toward the north. What is the force which acts on the wire? What is the direction of the force.
*May 5, 2010*

**11th grade Algebra 2**

A large pizza from Papa's Pizzeria has a diameter of 18 inches. If each large pizza is cut into 10 equal slices, what is the approximate area of 3 slices of pizza in square inches?
*April 12, 2010*

**11th grade Physics**

What is the potential difference if a resistance of 25 ohms produce a current of 250 amperes?
*April 4, 2010*

**11th grade Physics**

What is the current produced by a 9-volt battery flowing through a resistance of 2 x 10^-4 ohms?
*April 4, 2010*

**11th grade Physics**

What voltage is necessary to produce a current of 200 amperes through a resistance of 1 x 10^-3 ohms?
*April 4, 2010*

**11th grade Physics**

What resistance would produce a current of 120 amps from a 6-volt battery?
*April 4, 2010*

**11th grade Physics**

What is the current produced by a potential difference of 240 volts through a resistance of 0.2 ohms?
*April 4, 2010*

**11th grade English**

The Book of "The Great Gatsby" Describe the "valley of ashes." What does it look like, and what does it represent?
*April 4, 2010*

**11th grade Physics**

How many current paths are there in a parallel circuit connection?
*March 31, 2010*

**11th grade Physics**

How many current paths are there in a series circuit connection?
*March 31, 2010*

**11th grade Physics**

What happens when an insulator is wired in parallel with the bulb? is the swich open or closed?
*March 31, 2010*

**11th grade Physics**

What happens when an insulator is wired in series with the bulb? Is trhe swich open or closed?
*March 31, 2010*

**11th grade Physics**

What happens when a conductor is wired in parallel with the bulb? Is the swich open or closed?
*March 31, 2010*

**Physics**

What happens to a bulb when a conductor is wired in series with the bulb (bulb lights or dosen't light)? Is the swich open or closed?
*March 31, 2010*

**Physics**

How many possible orientations are there in a bulb, battery, and wire are there that don't result in the bulb lighting? Need four of these as drawings.
*March 31, 2010*

**ALGEBRA**

These answers are wrong they both can't be traveling at the same speed and one person be traveling father. Plug the answer 14 back into the original problem they both equal 3.
*March 10, 2010*

**Spanish**

your vocabulary its ok but u have to chek ur grammar.
*February 10, 2010*

**NORCROSS**

Two positive point charges are held in place, 0.80 m apart. They are then moved so that their electric potential energy doubles. What is the new separation between the charges?
*January 23, 2010*

**5th grade-math**

Sheila brought $1.95 in coins to spend at the bake sale. Her coins were all in dimes and quarters. The number of quarters she had was two less than the number of dimes. How many of each coin did she have?.
*November 3, 2009*

**Math Application**

Here is the raidus of Earth as given in the book: 3960 miles.
*February 22, 2008*

**Math Application**

A space camera circles the Earth at a height of h miles above the surface. Suppose that d distance, IN MILES, on the surface of the Earth can be seen from the camera. (a) Find an equation that relates d and h. (b) If d is to be 3500 miles, how high must the camera orbit above ...
*February 22, 2008*

**Mathematics**

A space camera circles the Earth at a height of h miles above the surface. Suppose that d distance, IN MILES, on the surface of the Earth can be seen from the camera. (a) Find an equation that relates the central angle theta to the height h. (b) Find an equation that relates ...
*February 22, 2008*

**social studies**

How do the three levels of government interact, or inter-relate?
*December 18, 2007*

**science**

Does water with salt boils faster than plain water Yes, salt increases the waters boiling point and therefore a higher temperature is needed for the water to boil. Salt does, indeed, increase the boiling point of water due to the salt but it will take longer for the water to ...
*January 31, 2007*

**Finance**

In examining the liquidity ratios, the primary emphasis is the firm´s
*December 11, 2006*

**math**

how to determine if each pair of ratios form a proportion A sweater is on sale for 52 dollars. If the original price was 78 dollars, what is the percent discount? how much candy
*October 28, 2006*

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