Wednesday

February 22, 2017
Total # Posts: 146

**Chemistry**

How many moles of magnesium chloride are in 5.43 x 10^24 formula units of magnesium chloride?

*October 18, 2016*

**Social studies**

Can someone check my answers if there wrong can you give me the right answers please 1, What was one reason for the formation of the Democratic Republican Party? Washington's cabinet members wanted to form a new party to strengthen the federal government Thomas Jefferson&#...

*October 3, 2016*

**accouting**

Harris Fabrics computes its predetermined overhead rate annually on the basis of direct labor-hours. At the beginning of the year, it estimated that 37,000 direct labor-hours would be required for the period’s estimated level of production. The company also estimated $505...

*September 8, 2016*

**calculus**

Find the domain for the particular solution to the differential equation dy dx equals the quotient of 3 times y and x, with initial condition y(1) = 1.

*May 20, 2016*

**calculus**

If the graph of f " (x) is continuous and has a relative maximum at x = c, which of the following must be true? The graph of f has an x-intercept at x = c. The graph of f has an inflection point at x = c. The graph of f has a relative minimum at x = c None of the above is...

*May 20, 2016*

**calculus**

the answer choices are A. 3 B. 3.772 C. 4.242 D. 9

*May 20, 2016*

**calculus**

I did a(a+2a+a)/2=18 and got 3 but idk if that's right

*May 20, 2016*

**calculus**

R is the first quadrant region enclosed by the x-axis, the curve y = 2x + a, and the line x = a, where a > 0. Find the value of a so that the area of the region R is 18 square units.

*May 20, 2016*

**Math (Trig)**

A clock tower has been constructed such that the center of the clock is 40 feet above ground. The minute hand on the clock is 3 feet long. How far above the ground the end of the minute hand at 12:05? 1:00?

*May 13, 2016*

**Geometry**

A swimming pool is a rectangular prism. Estimate the volume of water in the pool in gallons when it is completely full (Hint: 1 gallon = 0.134 ft^3 ((feet cubed)) ). The density of water is about 8.33 pounds per gallon. Estimate the weight of the water in pounds.

*March 6, 2016*

**MATH**

1.a 2.b 3.d 4.b

*October 21, 2015*

**Music**

if a dot was added to a quarter note in 4/4 time, how many beats is the note worth???

*October 9, 2015*

**Math**

1.-1/2+1/3= 2.-3 1/5+(-6 1/2)= 3.5/8-(-2/8)= 4.-9/10- 2/5 5.6 3/5-(-2 1/5)=

*September 24, 2015*

**Chemisty**

Based on equation: 2MnO4¬¬(-) + 6H(+) +5H2O2 → 2Mn(2+) +8H2O + 5O2 A 50.0 mL solution of hydrogen peroxide of unknown concentration was diluted with 1.00L of water. 25mL of this diluted solution was then titrated with acidified potassium permanganate; 20.25mL 0f ...

*September 23, 2015*

**English and Language Arts**

Thank you for your help..

*April 28, 2015*

**English and Language Arts**

Yes. Im asking about the new cire curriculum.

*April 28, 2015*

**English and Language Arts**

Which of the following would you find in the new English and Language Arts curriculum guidelines? A: An oral language program only at the primary grades B: A phonics program at all grades C: A writing program at all grades D: A study of core literacy works only in junior high

*April 28, 2015*

**1 st grade**

To visit her grandma's house!

*April 14, 2015*

**algebra**

7/20x^3y^5,1/30 x^6y^4 find lcd do not combine fractions

*April 2, 2015*

**a**

Railroads

*March 2, 2015*

**Pre ALGEBRA**

B. is the correct answer.

*February 17, 2015*

**CHEMISTRY**

the grams of sugar (carbohydrate) in a can of cola that has 150Cal and no fat and no protein Express your answer to two significant figures and include the appropriate u

*February 11, 2015*

**Algebra 2**

The sum of two numbers s 96, and their difference is 17. What is the larger of these two numbers ?

*November 5, 2014*

**PHYSICS 1301 (COLLEGE)**

As shown in the figure below, two masses m1 = 4.10 kg and m2 which has a mass 50.0% that of m1, are attached to a cord of negligible mass which passes over a frictionless pulley also of negligible mass. If m1 and m2 start from rest, after they have each traveled a distance h...

*October 18, 2014*

**PHYSICS 1301 (COLLEGE)**

A box of unknown mass is sliding with an initial speed vi = 5.10 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d = 4.20 m long. The coefficient of kinetic friction between the rough section of flooring and the box is 0.100...

*October 18, 2014*

**Math**

3/4 of a puzzle in 7/8 hours What's the unit rate?

*October 15, 2014*

**Science**

The answer is D sorry if i am late

*October 9, 2014*

**Accounting**

If the net income is $50000, and the cost of goods sold is $450000. the company's gross profit rate is 40% what are the net sales??

*July 19, 2014*

**Math**

Each of the following objects have been measured with inappropriate units. Convert them to more suitable units. (Please check my work and see if the units are correct for the situation?) a) The thickness of a dime is 0.00122m 0.00122m*100cm/1m = 0.122cm b) The height of a ...

*July 18, 2014*

**Math 10**

A trundle wheel can be used to measure the walking distance between two locations. a) If the diameter of a trundle wheel is 45 cm, how far will a person have walked when the wheel makes one full rotation? b) If a person walks for 0.7 km, how many times has the wheel rotated? ...

*July 17, 2014*

**Civics**

There saying positive things so I think it's A or B

*June 8, 2014*

**Civics**

"Blake DuBois is a decorated veteran and Purple Heart recipent. In his six years as a state senator, he has passed legislation to cut down on government waist. All the while, he's the family values candidate and has been tough on crime." Which Is the most likely ...

*June 8, 2014*

**Math**

Help please

*June 8, 2014*

**Math**

A pizza parlor has 3 diffrebt crusts and 3 diffrent cheeses and 7 diffrent toppings . How many combinations are on a pizza with 3 topings 1 crust and 1 cheese ? Help please I got 42 and then was told I was wrong

*June 8, 2014*

**Civics**

Two advantages of a confederation are that it ____ and ____. A. Prevents abuse of power by a national goverment ; preserves local identity. B. Concentrates power in state governments; make national goverment too weak to meet local needs C. Prevents abuse of power by state ...

*June 6, 2014*

**Language arts**

Is b correct ?

*May 24, 2014*

**Language arts**

Diondras poem

*May 24, 2014*

**Language arts**

Not sure if I'm correct . 2. What do facial features in the poem diondra Jordan symbolize ? A.the part of each person that's similar to ones relative .B. The part of each person that is uniquely ones own . C. The part of each that one wishes one could change. D. The ...

*May 24, 2014*

**Civics**

Am I right ???

*May 22, 2014*

**Civics**

New Zealand is a country in which the legislature chooses the nation, executive leaders. This is an example of which kind of government? A. Democracy . B. Federation. C. Parliamentary . D. Monarchy. I say A.

*May 22, 2014*

**Civics**

A major US trade partner has gone to war with its neighbor. It's leader asked the United States for help. Which of the following statements is true about how the president will react? A. He will make a decision based on only his own feelings about the war. B. he will stop ...

*May 21, 2014*

**Civics**

Okay I think I have it . Is 3 b ?

*May 21, 2014*

**Civics**

1. D 2. A . 3.a 4.b 5. D ?

*May 21, 2014*

**Civics**

Is number 3 d ?

*May 21, 2014*

**Civics**

1. Who has the power and the United States to declare war? A. President. B. the senate. C. Secretary of state. D. Congress . 2. Which of the following issues relates most to domestic policy? A. Education. B. treaties. C. War. D. Military. 3. Which of the following is true ...

*May 21, 2014*

**Civics- Help PLEASE**

I need help with this too !

*May 20, 2014*

**Finanace HELP!**

Below is what I have available to solve current assets. I would like to solve how much cash is available to the company as well. How much cash does the company have? If the current liabilities are $2,575, what are the current assets? • Net worth $17800 • Long-term ...

*December 19, 2013*

**physics**

An airplane with a speed of 46.4 m/s is climbing upward at an angle of 44° counterclockwise from the positive x axis. When the plane's altitude is 700 m the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly beneath ...

*December 10, 2013*

**Physics**

A ball thrown horizontally at 22.2 m/s from the roof of a building lands 35.0 m from the base of the building. How high is the building? I have no idea how to even start this problem. Please help!

*November 4, 2013*

**Chem**

? → 99mTc + β

*October 18, 2013*

**Chem**

? → 99mTc + β

*October 18, 2013*

**science**

Inference

*September 16, 2013*

**science**

Skeptical

*September 16, 2013*

**optical circuits**

Two 1-km fibers are spliced together. Each fiber has a 5-dB loss, and the splice adds 1 dB of loss. If the power entering is 2 m W, then how much power is delivered to the end of this combined transmission line?

*August 31, 2013*

**psychology**

Replicate

*June 25, 2013*

**World Geography**

1.The physical feature of Western Europe where most major cities are found is called A. the plains. B. the glacier.<<<<<<< C. the tundra. D. the taiga 2.The Magna Carta was the first step toward England’s ______________. A. large cities B. war with ...

*April 8, 2013*

**World Geography**

1. The Polish economy began to grow in the 1990s because the government A. built more state-owned factories. B. controlled prices better.<<<<<<<< C. stopped new private businesses. D. encouraged entrepreneurs. 2. The ethnic makeup of the Andes and the ...

*April 8, 2013*

**Chemistry**

A 72.2 g ice cube floats in the Arctic Sea. The temperature and pressure of the system and surroundings are at 1 atm and 0°C. Calculate ΔSsys, ΔSsurr, and ΔSuniv for the melting of the ice cube. (The molar heat of fusion of water is 6.01 kJ/mol.)

*April 7, 2013*

**Personal Finance**

Janice Jacobs is planning for her retirement. She knows what assets and liabilities she has now and expects to have in the future. She knows what her spending patterns are likely to be and adjusted them for inflation. She also has identified all of her sources of income after ...

*April 1, 2013*

**Economics**

The price of cranberry juice suddenly increases. As a result, Glenda begins drinking more grape juice, which is less expensive, but tastes just as good to her. In this case, Glenda’s elastic demand is due to A. availability of substitutes. B. relative importance. C. ...

*April 1, 2013*

**Economics**

The price of cranberry juice suddenly increases. As a result, Glenda begins drinking more grape juice, which is less expensive, but tastes just as good to her. In this case, Glenda’s elastic demand is due to i think is a but im not sure

*April 1, 2013*

**statistics**

The time to fly between New York City and Chicago is uniformly distributed with a minimum of 120 minutes and a maximum of 150 minutes. What is the standard deviation?

*March 18, 2013*

**NATIONAL Goverment**

numbers 1-3 c,b,d number 8 b the rest seem to look ok

*January 27, 2013*

**chemistry**

CS2+3O2 --> CO2+2SO2 What is the volume of sulfur dioxide, in milliliters,produced when 27.9 mL O2 reacts with carbon disulfide

*January 18, 2013*

**Physics**

An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5 seconds

*December 13, 2012*

**Physics**

An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5 seconds

*December 13, 2012*

**Physics**

An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5 seconds

*December 13, 2012*

**Chemistry**

A 50 gram sample of liquid water at 25 degrees C is mixed with 29 grams of water at 45 degrees C. The final temperature of the water is...?

*December 6, 2012*

**logic**

Reporter: A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that political candidates can receive. However, a survey of candidates running for mayor, governor, and senate seats shows that not one of them favors the...

*October 29, 2012*

**i don't understand this math**

It is c

*September 12, 2012*

**math**

Find the domain of the composite function f of g. f(x)=3/x-6; g(x)= 1/x please help and show the work as well.

*August 28, 2012*

**college algebra**

no that's not it, i am not sure how to show it on here but the -x/3 is on the side of the e. like if you had 2^3 it would be, (2)(2)(2). that is what the e^-x/3 should represent. if this makes sense

*August 28, 2012*

**algebra**

Choose the equation that best represents an ellipse for the given foci and co-vertices. foci (+or- 3,0) co-vertices (o, + or- 6)

*March 17, 2012*

**science**

Compare optical telescopes and radio telescopes. What are the advantages of using a radio telescope over an optical one? All I can think of is, that radio telescopes can be used in any form of weather and optical telescopes can't. I'm not sure if that is enough ...

*February 12, 2012*

**allgebra**

18.4

*February 7, 2012*

**language arts**

choose the analogy who's relationship best resembles the relationship as the analogy in capitol letters. STRANGE:GROTESQUE:: a. sporadic: constant b. naughty:malevolent c. blue:azure d. prudent: careful

*February 1, 2012*

**math**

calculate the mass (in SI units) of a 150ib human being? m= Calculate the weight ( in English units) of a 200kg rhino m=

*January 26, 2012*

**Trig**

Sec (23π/6)

*December 6, 2011*

**Physics**

A 115 kg astronaut on a space walk pushes against her space capsule that has mass 2250 kg. The astronaut accelerates 1.50 m/s2, 0°. (a) Find the force exerted on the astronaut. (b) Find the force exerted on the capsule. (c) Find the acceleration of the capsule.

*December 5, 2011*

**Math**

harmonic motion : y=(1/12)(cos8t-3sin8t)

*October 19, 2011*

**teacher aide language and other barriers**

Please review my answers. THANKS IN ADVANCE!!! To be a truly successful teacher aide in a nonbiased, culturally diverse classroom, you must A. Be concern and aware of the problem of both minority and nonminority students. B. Be particularly sensitive to minority students, as ...

*August 26, 2011*

**Maths Fractions**

write two equilvalent fractions for 3/15.

*July 26, 2011*

**Science**

Please I really need the answer man

*June 29, 2011*

**Science**

How are precipitates used in industry?

*June 29, 2011*

**algebra**

its graph opens upward and its vertex is at the origin. give an example of a quadratic function.

*May 28, 2011*

**algebra**

The slope is -1/1+6 m=-1/1 b=6

*April 27, 2011*

**Teacher**

I just want to make sure I have this question correct. If you want to check out free audiovisual materials, where would you go? A video store B art supply store C teacher supply store D county instructional materials center I think D, can someone tell me if I'm right. Thanks.

*April 26, 2011*

**Teacher aide**

I'm having trouble with this question. Why would you mount an overhead transparency in a cardboard frame? A to make copies of it B to color it C to add overlays D to project it onto a screen Can someone please help me.

*April 26, 2011*

**Teacher aide**

I'm stuck on this question. Could someone help me please. Which of the following would you find in the new English and language arts curriculum guidelines? A An oral language program only at the primary grades B A phonics program at all grades C A writing program at all ...

*April 22, 2011*

**teacher aide**

When are children first developmentally ready to begin a formal study of history? A Kindergarten B Middle grades C Junior high D High school I need help I think its A Kindergarten can someone tell me if I have it right. Thanks

*April 21, 2011*

**teaching**

Collecting tickets and money from students, encouraging good manners, and helping with cleanup are tasks associated with which duty? A Monitoring the playground B Monitoring the lunchroom C Monitoring the halls D Monitoring the in-school suspension room I think its Monitoring ...

*April 15, 2011*

**Math**

Tara swam 5 lap at the pool. Canyon swam 15 laps. Canyon swam ____ as many laps as Tara. Tara swam _____ as many laps as Canyon. I'm having problems with this one. Could someone help and show me how this is done.

*April 13, 2011*

**Calculus**

Find the length of the intercepted arc with radius 2.5 cm and a central angle of 95 degrees

*March 28, 2011*

**Math**

A bicycle wheel is 30 inches in diameter. a. To the nearest revolution,how many times will the wheel turn if the bicycle is ridden for 3 miles? b. Suppose the wheel turns at a constant rate of 2.75 rev per second. What is the linear velocity in mph of a point on the tire?

*February 6, 2011*

**Chem**

How many deciliters of carbon dioxide are produced when .38L of SO2 is formed?? Thanks :)

*February 1, 2011*

**Science**

If a blood cell is placed in distilled water, what would the water be decribed as? hypotonic or hypertonic solution?

*January 3, 2011*

**Science**

A hypertonic solution is likely to contain many/no electrolytes. Is is many or no electrolytes?

*January 3, 2011*

**algebra**

This is a response to bobpursley's answer of Pr(0) = .3; Pr(1) = 7*.3; Pr(2) = 7*.7. Can you show me how you arrived at the above answers? Also, what does * mean? Thanks.

*January 2, 2011*

**algebra**

a basketball player shoots 70% of freethrows he has a 1 an 1 what is the probability of him shooting o,1,2 points

*January 2, 2011*

**Science**

If a radioactive isotope has half life of 5 days,how long will it take for its radioactive strength to be a maximum of one thousandth,(1/1000) of its original value?

*December 21, 2010*