Tuesday

March 31, 2015

March 31, 2015

Total # Posts: 168

**Math**

Alan scored a total of 14 points for answering all the 15 questions on a math quiz. For every correctly answered question, Alan got 2 points. For every wrong answer, he lost 2 points. How many questions did he answer correctly?
*March 11, 2015*

**Math**

An unfair coin with Pr[H] = 2/3 is flipped. If the flip results in a head, then a marble is selected from an urn containing 9 red, 1 white, and 1 blue marbles. If the flip results in a tail then a marble is selected from an urn containing 10 red and 3 white marbles. If the ...
*March 2, 2015*

**science**

How much work is done by the upward force of your head on a 50 N rock that you carry horizontally across a 10 m room?
*February 25, 2015*

**physics**

how much work is done by the upward force of your head on a 50 N rock that you carry horizontally across a 10 m room?
*February 25, 2015*

**Math**

Leena bakes a loaf of bread. She eats 1/8 of the loaf and gives 1/6 of it to each of her 3 friends. What fraction of the loaf of bread is left?
*February 8, 2015*

**Spanish**

Thank you so much for your help! I have one last question: Form the command using the correct pronoun/s to a friend: Don't make a salad for me!
*January 31, 2015*

**Spanish**

Can someone check my answers to this? I'm really confused on these practice problems. Thanks! Directions: Using informal, formal, plural and nosotros commands (use Dop's/Iop's if needed) to correctly answer the questions. The names in parathenisis are what form the...
*January 31, 2015*

**language arts**

how to diagram this sentence...The basketball team with the winning record will advance forwards.
*December 13, 2014*

**Math**

How can you use decimal squares to represent the product 0 * 0.7?
*December 9, 2014*

**language arts**

how to diagram preepositional phrases
*December 9, 2014*

**Child Development**

Ms. Sue is FAKE!! She answers every question in less than 20 minutes!!
*December 8, 2014*

**chemistry**

What mass of the metal must be heated to 95 degrees celsius in order to be used to warm 2.548 L of water from 18.1 to 22.5 celsius
*November 11, 2014*

**World Regional Studies/ Geography**

In January 2000, cyanide is released to the Tisza River in Hungary. Effect 1: Effect 2: Water Pollution Countries develop industries. Effect 1: Effect 2: Poland’s water in most rivers is unsafe to drink Rain washes fertilizers from fields into bodies of water The ...
*October 16, 2014*

**Math**

List out the elements of the set "The letters of the word Mississippi"
*October 1, 2014*

**math**

a set of five positive integers has a mean median and range of 7 how many distant sets whose members are listed from least to greatest could have these properties
*July 2, 2014*

**Psychology**

Describe the chi-square goodness-of-fit test.
*June 8, 2014*

**Psychology**

Can you give a real world example of when you would use a chi-square test of independence and a chi-square goodness of fit?
*June 8, 2014*

**Math 6**

ohhhhhhh 66 choices!!! Thanks!
*May 10, 2014*

**Math 6 **

n ice cream stand sells chocolate, vanilla, and strawberry ice cream as well as a choice of 22 toppings. How many choices are there for a single flavor of ice cream with one topping? How do I do this? is it 46 choices? Am I right?
*May 10, 2014*

**physics**

Initial velocity not given. Assuiming that we need to solve for it. Yes, the ball is thrown 60 degrees above the horizontal. Thank you.
*May 10, 2014*

**physics**

If I am standing on top of a building that is 350 ft. high and I throw a baseball off the roof at angle of 60 degrees, determine how long the ball is in the air as well as how far it lands from the building.
*May 10, 2014*

**Science**

Which statement is true regarding nuclear energy? 1. Nuclear power produces no greenhouse gasses and thus poses no environmental threats. 2. Nuclear plants rely on a massive industrial infrastructure using fossil fuels. 3. Due to strict safety regulations, nuclear power does ...
*March 4, 2014*

**ela**

in the poem lineage what does they mean
*March 2, 2014*

**math**

Super Bowl Day!!
*November 10, 2013*

**math**

(5*7)/3
*November 10, 2013*

**math**

Len is baking a square cake for his friend wedding. When served to the guests, the cake will be cut into square pieces 1 inch on the side. The cake should be large enough so that 121 guests get one piece. How long should each side of the cake be?
*September 14, 2013*

**math**

A portrait of George Washington is square and has an area of 169 square centimeters. How long is each side of the portrait?
*September 14, 2013*

**physics**

A car accelerates uniformly from rest to a speed of 21.5 km/h in 6.9 s. Find the distance it travels during this time. Answer in units of m
*September 12, 2013*

**math**

On May 23, Samantha Best borrowed $4,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method. What was the amount of interest on the loan?
*June 18, 2013*

**language**

감사합니다
*May 31, 2013*

**Algebra**

The profit for a company that sells chairs is defined by P= -5x^2+200x+200. Where P is profit and x is the number of chairs produced. Find the number of chairs "x" that will produce the maximum profit "P".
*May 19, 2013*

**Algebra**

An object is fired vertically upward with an initial speed of 68.6 meters/second. After t seconds, the height is shown by y= -4.9t^2+68.6t meters. Given that this object has an initial speed of 68.6 m/s, what is the maximum height it will reach? How long did it take the rocket...
*May 19, 2013*

**physics**

. A block weighing 50 lbs is pulled horizontally w/ constant speed, if the coefficient friction between the surfaces in contact is 0.25, how much heat is generated by friction if the body moves a distance of 40 ft
*March 7, 2013*

**math**

how many grams go in 2,340 kilograms
*February 19, 2013*

**Math**

After 14 boys leave the concert, the ratio of boys to girls is 3 to 10. If there are p girls at the concert, write an algebraic expression for the number of boys at the beginning of the concert in terms of p
*January 24, 2013*

**math**

How do I estimate with adding
*December 12, 2012*

**PHYSICS URGENT! PLEASE FRICTION CASE 2**

A 13 kg box is at rest on a level floor. The coefficient of static friction µS = 0.9 and the coefficient of kinetic friction µK = 0.8. Audrey is applying a 140 N push at an angle (=20°) as shown in Figure 1. C) What is the magnitude of FNormal on box from Earth?
*December 4, 2012*

**Physics! Case II**

(45N(cos25°))/25N= 1.63m/s^2
*December 3, 2012*

**Physics! Case II**

A woman at an airport is pulling her 25.0 kg by a strap at an angle of 25 ° above the horizontal as shown in figure Fig. P5.44. She pulls on the strap with a 45.0 N force, and friction is negligible. What is the acceleration of the suitcase? ___m/s^2
*December 3, 2012*

**Chemistry**

What happens when NaCl(aq) and AgNO2(aq) are mixed? Also, will the mass increase, decrease, or stay the same after the mixing? Why? Thanks!
*November 28, 2012*

**College International Affairs**

How did the US affect the dissolution of the Soviet Union? What was the US/ Soviet Union relationship at the time period?
*November 26, 2012*

**math**

1st Step: 14x20=280 2nd Step: 280/8=35
*November 8, 2012*

**Precalc**

rewrite sinxtanx/(cosx+1) as an expression that doesn't involve a fraction.
*October 23, 2012*

**Precalc**

Rewrite cot(^2)xcosx/(cscx-1) as an expression that doesn't involve a fraction.
*October 23, 2012*

**Information Technology**

Develop an algorithm, flow chart and pseudocode that accept as input three unit test scores and a project score for seven students. The algorithm, flow chart and pseudocode should accept seven examination scores. The students's overall score comprised of their weighted mid...
*October 23, 2012*

**Math**

cscx/1-sinx
*October 23, 2012*

**Precalculus**

cotx-cos^(3)xcscx
*October 22, 2012*

**math**

3x=10+13x
*August 21, 2012*

**Physics**

How exactly are you supposed to use the second equation to solve for Vb' if you don't know Va'^2?
*July 9, 2012*

**Math**

The 4ft by 6ft has a solid red rectangular area that covers 1/3 of the flag. What could be the dimensions of this red area?
*March 8, 2012*

**Science**

During beta-particle emission, a neutron splits into a proton and an electron two protons two electrons two neutrons
*March 6, 2012*

**Spanish-8th grade**

I had to use the past tense of either poder or saber to write each sentence 1. tú y yo/mirar la televisión Tú y yo pudimos mirar la televisión. 2. nosotros/viajar Nosostros pudimos viajar. 3. los muchachos/jugar al fútbol Los muchachos ...
*December 30, 2011*

**medical coding**

person has upper respiratory infection w bilateral acute conjunctivitis .. whAT WOULD the code be?
*December 20, 2011*

**Math**

Gracias, Mi amigos
*August 21, 2011*

**Math**

Find the value of x or y so that the line passing through the two points has the given slope. (-1,4) (X,3); M=2/3
*August 21, 2011*

**physics**

What are the maximum values of the following when an incandescent 55-W light bulb (at 110 V) is connected to a wall plug labeled 110 V?
*August 3, 2011*

**comm215**

please help me correct my essay. the topic of the essay is:"Why overcrowding of school are causing teacher's to lose their jobs overcrowding? and how teacher layoffs are the result of overcrowding." below is a copy of the essay i wrote... One main concern both ...
*August 1, 2011*

**comm215**

it does not necessarily have to be facts, the answer can be based on my own opinion. I just need something to get me going.
*August 1, 2011*

**comm215**

I have to write a 300-400 words essay on the following questions: Why overcrowding of school are causing teacher's to lose their jobs? -how is teacher layoffs the result of overcrowding? Please help.
*August 1, 2011*

** comm215**

-Why overcrowding of school are causing teacher's to lose their jobs? -how is teacher layoffs the result of overcrowding?
*August 1, 2011*

**MATH**

WHAT IS THE UNPAID BALANCE AT THE END OF 1O YEARS OF A 250,000 LOAN WITH A INTERESRT RATE OF 6% THAT COMPOUNDS MONTHLY?
*May 9, 2011*

**science**

what is the height of a rock wall that is casting a 10ft shadow if a 6 ft bird watcher is casting a 14 ft shawdow
*May 8, 2011*

**Pre-Algebra**

What is a-3/5=1/5 ?
*April 25, 2011*

**English**

He took the test yesterday is it adverb or adjectives
*April 1, 2011*

**Algebra**

Laura can use the equation of: * 1 yard = 3 feet * 12 inches = 1 foot Figure out how many inches in a yard (36 inches = 1 yard) and then you do 36 x 20 and get your answer. Your answer will be 720 inches in 20 yards.
*March 10, 2011*

**Organic Chemistry**

If fructose, glucose, and sucrose are the only carbohydrates in honey, how could you use Benedict's reagent to determine the number of moles of sucrose in a 1.0g sample of honey?
*March 8, 2011*

**Physics **

Which would burn the most 100 g of water at 100 degrees C or 100 g of steam at 100 degrees C?
*February 20, 2011*

**Physics**

About how much pressure do the feet of a 6000-kg elephant exert on the ground? Assume each foot has area of 0.10 square meters.
*February 20, 2011*

**Physics**

What is the mass of the air in a room that has dimensions of 10m x 30m x 4m?
*February 20, 2011*

**Physics**

How many calories are released when 3 grams of 100º C steam turns to 0º C ice
*February 20, 2011*

**science **

6. identify the action-reaction pairs of forces for the following situations: (a) you step off a curb. (b) you pat your tutor on the back (c) a wave hits a rocky shore.
*February 3, 2011*

**algebra**

3x^3-2x^2y-8xy^2
*February 2, 2011*

**accounting**

Canine Company produces and sells dog treats for discriminating pet owners. The unit selling price is $10, unit variable costs are $7, and total fixed costs are $3,300. What are breakeven sales?
*December 19, 2010*

**Math**

Factor 24 into primes.
*November 17, 2010*

**Chemistry**

“1.25 g of crushed limestone was added to 50.0 cm3 of 1.00 mol dm-3 hydrochloric acid (an excess). The mixture was left until all bubbling stopped and was then made up carefully to 250 cm3 with pure water. A 25.0 cm3 sample of this was pipetted into a conical flask and ...
*November 10, 2010*

**math**

You multiply pounds into ounces.
*November 7, 2010*

**5th grade**

How do you write a mixed number as a decimal such as 1/2 and the whole number 3? Also 3/4 and the whole number 4. Also 1/5 and the whole number 7. Thank you who will may help me!:)
*November 1, 2010*

**english 7th grade**

we:subject felt:action verb overwhelmed:do
*October 5, 2010*

**English**

what are some good acrostic poems about america
*September 20, 2010*

**Daily Language Review **

use context clues to determine the meaning of the boled words below
*September 3, 2010*

**science**

Need to use hypothesis in a sentence and draw a picture relating to it. Was Ben Franklins flying a kite a hypothesis or a theory?
*September 2, 2010*

**7th grade leadership**

terribly sorry....
*August 30, 2010*

**7th grade leadership**

ANSWER THIS QUICK BY TONIGHT!
*August 30, 2010*

**7th grade leadership**

This homeschooling group expects you to work harder than a college student. I need 5 subsidiary questions on "How is carrying capacity related to food supply" (you can say agriculture for the food supply) The teacher expects me to get these questions quickly and i&#...
*August 30, 2010*

**childcare**

My answer is C. locomotor reflexes
*August 18, 2010*

**english **

why did the mayor decide not to teach his wife how to drive in the novel the color purple?
*June 4, 2010*

**9th grade algebra**

daniels print shop purchased a new printer for $35,000. Each year it depreciated at a rate of 5%. What will its approximate value be at the end of the fourth year?
*May 4, 2010*

**Physics**

Hi, The resistance of each resistor in a series-parallel circuit was given and we measured the current and voltage across each resistor. Now, I have to find the theoretical values for I1, I2, etc. and V1, V2, V3, etc., using Kirchhoff's law and the known resistance values ...
*February 28, 2010*

**math**

how to solve a graph plot
*January 28, 2010*

**Social Studies**

What were the 4 dynasties of Ancient China ? Please give me information on each one regarding government, social hierarchy, religion and accomplishments.
*January 24, 2010*

**maths**

what is 200000 divided by 439?
*January 17, 2010*

**maths**

what is the mean weight of these bags: 2kg,5kg,6kg,11kg,7kg amd 5kg ?
*January 17, 2010*

**English III**

Paine beleives that god will suport the colonies' cause because the colonists?
*December 12, 2009*

**Math**

1 hour and 35 minutes or 95 minutes
*November 12, 2009*

**Math**

1 hour and 35 minutes
*November 12, 2009*

**Math**

here is the question: Freida must take a 4-hour exam containing 200 questions, 50 of which are math. Twice as much time should be allowed for each math ques as for each other type of question. What is the total # of minutes she should allow for the math question?
*November 12, 2009*

**history**

THANK YOU SO MUCH
*November 8, 2009*