Sunday

December 4, 2016
Total # Posts: 1,018

**Chemistry**

If you try to carry out a double displacement reaction by mixing together equal volumes of a solution that contains dissolved NaF and a solution that contains dissolved NaCl. Would you expect a reaction? Why or why not?

*November 28, 2016*

**Math**

The admission to a local fair is $10 for an adult and $6 for a child. Each ride costs $1.50 for and adult and $1 for a child. Write an expression that represents how much more an adult will spend.

*November 8, 2016*

**Calculus I**

(Six pigpen problem). A 2 × 3 array of six congruent rectangular pigpens (that all look the same from above) will be in the overall shape of a rectangle R. We may use 100 feet of fencing to form the boundaries of the pigpens. Find the dimensions for a single pigpen that ...

*October 28, 2016*

**Chemistry**

How many grams of H2O are required to react with excess CaC2 to produce 23.0 g of C2H2 according to the following equation? CaC2 + 2H2O -> Ca(OH)2 + C2H2 a.4.5 b.15.9 c.31.8 d.1.766 I think this equation works out by multiplying 2 moles by the molar mass of H2O. Please ...

*October 27, 2016*

**Chemistry**

If 3.60 moles of SiO2 and 3.60 moles of C react to form SiC accodring to the equation SiO2 + 3 C -> SiC + 2 CO how many moles of CO will be produced? a. 1.20 b.2.40 c.3.60 d.7.20 -Do I have to use SiC in any part of the equation, I am very confused and I think I just need ...

*October 27, 2016*

**carson high school**

solve by elimination 5r-3s=19 2r-6s=-2

*September 29, 2016*

**Science **

Can someone please explain how to do dot and cross diagrams. Thanks

*September 27, 2016*

**Math**

Melissa collected 3 kinds of autumn leaves when she was walking today- Elm,maple, and oak. She has 2 times as many maple leaves as elm leaves. Altogether, she has 32 leaves. How many of each kind does she have?

*September 17, 2016*

**Algebra**

At a concession stand, three hot dogs and four hamburgers cost $12.00; four hot dogs and three hamburgers cost $10.75. Find the cost of one hot dog and the cost of one hamburger.

*August 14, 2016*

**Physics**

A hollow sphere starts from rest and rolls down a hill without sliding. At the bottom of the hill, it has a linear velocity of 5 m/s. What was the height of the hill the sphere rolled down (in meters)?

*July 27, 2016*

**conclusions - check answer**

Is it correct now?

*July 5, 2016*

**conclusions - check answer**

C. Make sure you have developed a clear point.

*July 5, 2016*

**conclusions - check answer**

Which of the following is a true statement about writing introductions of rough drafts? A. Do not worry about the central point of your essay; it will happen later on as you revise your paper. (MY ANSWER) B. Pay close attention to the correct spelling of your words. C. Make ...

*July 5, 2016*

**conclusions**

What function do conclusions serve in essays? A. Conclusions provide the supporting details of an essay. B. Conclusions develop the main idea of an essay. C. Conclusions sum up the main idea of an essay. (MY ANSWER) D. Conclusions introduce new ideas important to the main idea...

*July 5, 2016*

**English Check answers**

:)

*June 30, 2016*

**English Check answers**

Who: More than 600 transportation employees When: at midnight last night Where: WESTRIDGE, Ohio Why: after the Westridge City Council rejected their demand for a 10% pay increase.

*June 30, 2016*

**English Check answers**

I know that what I said too.

*June 30, 2016*

**English Check answers**

Transportation Strike Disrupts Westridge Thousands unable to get to work or school WESTRIDGE, Ohio—More than 600 transportation employees went on strike at midnight last night after the Westridge City Council rejected their demand for a 10% pay increase. The strike ...

*June 30, 2016*

**English**

Is this paragraph’s main idea stated or implied? The greatest gift the Sumerians gave the world was the invention of writing. The Sumerians were a wealthy people. They needed some way to keep track of what they owned. They began drawing pictures. They used a reed as a pen...

*June 24, 2016*

**History**

Europe

*June 8, 2016*

**History**

Europe?

*June 8, 2016*

**History Ms. Sue**

Ms. Sue

*June 8, 2016*

**History**

This is what my book says. Nationalism, then, was a threat to the existing political order. A united Germany, for example, would upset the balance of power set up at the Congress of Vienna in 1815. At the same time, an independent Hungarian state would mean the breakup of the ...

*June 8, 2016*

**History**

nineteenth century

*June 8, 2016*

**History**

How did nationalism threaten the existing political order of the nineteenth century?

*June 8, 2016*

**Algebra 2**

Thank you so much!

*June 5, 2016*

**Algebra 2**

I believe the answer is D but I'm not really sure

*June 5, 2016*

**Algebra 2**

What is the solution set to the following system? x + y = 5 and x^2 + y^2 = 25 A) (0,-5) (-5,0) B) (0,5) (-5,0) C) (0,-5) (5,0) D) (0,5) (5,0)

*June 5, 2016*

**math**

A credit card company charges 7% simple interest. What is the total interest on a $1,900 loan at the end of two years?

*May 26, 2016*

**math**

If the first term in an arithmetic sequence is 15 and the tenth term is 69. What is the fourth term in the sequence?

*May 25, 2016*

**math**

A ball is dropped from a height of 256 ft. With each bounce, the ball reaches a height that is half the height of the previous bounce. After which bounce will the ball rebound to a maximum height of 1 ft?

*May 13, 2016*

**#3 Fitness (Check answers)**

Please Check my answers.

*April 25, 2016*

**#3 Fitness (Check answers)**

1) The first step in the decision-making process is to brainstorm all possibilities (my answer) evaluate the result act realize there is a problem 2) Evidence that you have accomplished a goal is an example of which step in the SMART goal method? specific measurable achievable...

*April 25, 2016*

**Fitness (Check answers)**

Please check my answers

*April 25, 2016*

**Fitness (Check answers)**

6) Gang member often have weapons and are involved in violence. TRUE OR FALSE ~ (my answer is TRUE) 7) Being disruptive in class and getting angry easily could be sign of abuse. TRUE OR FALSE ~ (my answer is FALSE) 8) People with high self-esteem are prone to depression. TRUE ...

*April 25, 2016*

**Fitness (Check answers)**

ok, I post it already (TOP^^^^)

*April 25, 2016*

**Fitness (Check answers)**

6) Gang member often have weapons and are involved in violence. TRUE OR FALSE ~ (my answer is TRUE) 7) Being disruptive in class and getting angry easily could be sign of abuse. TRUE OR FALSE ~ (my answer is FALSE) 8) People with high self-esteem are prone to depression. TRUE ...

*April 25, 2016*

**Fitness (Check answers)**

I got a few more to check answers is that OK?

*April 25, 2016*

**Fitness (Check answers)**

so the #5 is TRUE

*April 25, 2016*

**Fitness (Check answers)**

1) Sitting in class wearing ear buds during a lecture is effective listening. TRUE OR FALSE ~ (my answer is FALSE) 2) Defense mechanisms should be used as often as possible to deal with uncomfortable emotions. TRUE OR FALSE ~ (my answer is FALSE) 3) Daily decision are often ...

*April 25, 2016*

**Maths!**

Suppose you draw 4 gumballs from the jar without replacement. Is it more likely that you will draw exactly 1 marble of each colour or is it more likely that you will not draw exactly 1 of each colour?

*April 21, 2016*

**math**

Esme is going on a holiday with 13 friends. The total cost of the holiday is £5999.00 How much does Esme have to pay?

*April 16, 2016*

**math**

175 centimeters and 12 centimeters

*April 16, 2016*

**math**

Robert is going to cut seedling support stakes from a piece of wood measuring 175 centimeters. Each support stake will be 12 centimeters in length. How many support stakes can Robert cut?

*April 16, 2016*

**Maths**

Thanks Although that method works for this question, is there another method that I could use if the method you have used above takes too long if n is a bigger number?

*April 7, 2016*

**Maths**

Find the sum of the following series: 1024 - 512 + 256 - 128 +...+ 1 So a = 1024, r = -0.5, but I need to know what n is in order to use the formula. So I tried ar^(n-1) which is: 1024(-0.5)^n-1 = 1 but I don't know how to find n from there. Thanks in advance for any help :)

*April 7, 2016*

**maths lit,accounting,business,economics**

I want to do fanancial acounting

*March 31, 2016*

**prealgebra or algebra1**

Click: Desmos Graphing Calculator

*March 24, 2016*

**prealgebra or algebra1**

desmos This place will help you. Good Luck!

*March 24, 2016*

**4th grade math**

please help!! I have no idea how to do these I am trying to help my son.. Find two mixed numbers so that the sum is 21 1/6 and the difference is 4 3/6?

*February 21, 2016*

**math**

a liscense plate that has 3 numbers from 0-9 and 2 letters where each number and a letter may be used more than once. Find the Fundamental Counting Principle to find the number of outcomes in the situation

*February 9, 2016*

**magh**

a liscense plate that has 3 numbers from 0-9 and 2 letters where each number and a letter may be used more than once. Find the Fundamental Counting Principle to find the number of outcomes in the situation

*February 9, 2016*

**Chemistry Dimensional analysis**

7.32 Hours

*February 7, 2016*

**Social Studies**

Wow! Thank you so much!

*February 2, 2016*

**Social Studies**

In his book The Social Contract, Rousseau comes up with his theories on government. He believed in what he called “a state of nature” in which people are purely instinctual and harmful, so he says people made a contract with the government to give up some of their ...

*February 2, 2016*

**Social Studies**

Charles de Montesquieu: Expanding on the ideas of Locke in his book The Spirit of Laws, Montesquieu added the judiciary branch to Locke’s Executive and Legislative branch. ?

*February 2, 2016*

**Social Studies**

the people who grant that right

*February 2, 2016*

**Social Studies**

What does Locke say about the "social contract"? My answer: He came up with the idea that people, not god, gave the ruler the right to rule, and because of this if ever the government was not doing its job correctly then it is the people’s right to overthrow and...

*February 2, 2016*

**Social Studies**

John Locke: In his book Two Treatises on Government, Locke refuted the divine right of Monarchy, and established a theory which states that all men are men are born free and equal. Each person should have equal access to the natural rights of life, liberty, and property. No ...

*February 2, 2016*

**Math**

There are 6 periods in each working day of a school. In how many ways can one organize 5 subjects such that each subject is allowed at least one period?

*January 13, 2016*

**math**

How many 3 digit numbers can be formed from the digits 2,3,5,6,7 and 9 which are divisible by 5 and none of the digits is repeated?

*January 13, 2016*

**algebra **

x^-2y+6z^-1 add. write the answer with all exponents positive

*January 12, 2016*

**Math**

1)a -28-8=-36 2)a 15*-3=-45 3)a

*January 12, 2016*

**Math**

Area = length multiplied my width 360=area 12=width 360 divided by 12= 30ft

*January 12, 2016*

**algebra**

at first its 20F but now its-5F. So u would get an answer of 25 degrees. 20F-(-5F)= 25F

*January 12, 2016*

**math**

Thank you!

*January 12, 2016*

**math**

why would u multiply .2 instead of .8

*January 12, 2016*

**math**

how did you get that answer

*January 12, 2016*

**math**

a ski club planned a trip to su valley, and 38 of the members signed up. if 80% of the members did not sign up, how many members did the club have

*January 12, 2016*

**Math help**

thats right

*January 12, 2016*

**Math**

20x+10y=84 10y=84-20x y=8.4-2x, for value of y 20x=84-10y x=4.2-1/2y, for value of x

*January 12, 2016*

**Math**

1287 students 1170*.1= 117 117+1170=1287

*January 12, 2016*

**i need help plz**

2.63

*January 12, 2016*

**Physics**

Thank you!!!

*January 12, 2016*

**Physics**

Sarah walks 300 m North ,50 m East and then she walks 300 m South. What is the displacement? Thanks in advance too!!

*January 12, 2016*

**PHYSICS**

An object is initially moving in the positive direction of an x-axis with a speed of 2.7 m/s. If the constant acceleration of the object is -0.12 m/s2, what distance will it have traveled when it turns around?

*December 18, 2015*

**physics**

3. Only two forces act on an object. The magnitude of the first force is 25 N and it acts at an angle of +25° with the positive x-axis. The second force acts at angle of -73° with the positive x-axis. The acceleration of the object is parallel to the positive x-axis. ...

*December 15, 2015*

**Math**

ABC and def are equal both are 5:1 what's edf C is 47° triangle is the shape

*December 3, 2015*

**Math**

Tony hikes the woods 6.6 miles on a map 1cm=12 miles what on map representation hiking trail

*December 3, 2015*

**Math**

2:7 small shape is 16,22,28 feet what's what's the perimeter of big shape

*December 3, 2015*

**Math**

If a pole cast a 20 foot shadow and a tree that's 8 foot cast a 5ft shadow how tall is the pole also tell me how you solved it

*December 3, 2015*

**Physics**

Ma= 1750 kg Va= 30 m/s Vb=0 m/s Mb=2000 kg Vf=14 m/s Pf=52500 kg m/s Pa= 52500 kg m/s Pb= 0 kg m/s Ka= 787500 J Kb= 0 J

*November 30, 2015*

**Physics**

How do you find final kinetic energy?

*November 30, 2015*

**Physics**

In a car crash, Car A rear ends Car B that stopped at a red light. After the crash, Car A and Car B meld together moving at a speed of 14 m/s. Car A has a mass of 1750 kg. Car B has a mass of 2000 kg. Calculate the initial momentum of Car A. So far I have Va=? Ma= 1750 kg Vb=0...

*November 30, 2015*

**Physics**

How far above the surface of the earth would you have to be before your weight is reduced by 13.52%?

*November 12, 2015*

**Physics**

Find the minimum initial speed of a projectile in order for it to reach a height of 2022 km above the surface of the earth.

*November 12, 2015*

**Chemistry 218**

assume all of the ionized aspirin remains in the buffer solution and all of the un-ionized aspirin goes into to the ethyl acetate, what is the molarity of the aspirin in the ethyl acetate at pH 2 and pH 8? what equation would ou use for this?

*October 28, 2015*

**Math**

What is 4 to the power of 3 plus 3? I got 67.

*September 30, 2015*

**Chem**

Suppose the water sample has a relatively high percent of volatile solid material. How would this have affected the reported mass of: a. dissolved solids -- too high, too low, or unaffected? Explain. TDS will be unaffected b. total solids -- too high, too low, or unaffected? ...

*September 30, 2015*

**Chem**

Name the following binary compounds consisting of two nonmetals or a metalloid and a nonmetal. 1. AsH3= arsine 2. AsF5= arsenic pentafluoride 3. HCL= Hydrogen chloride is this right?

*September 29, 2015*

**Chemistry**

Hello! I really need help with this. Name the following salts according to the old -ic, -ous system and the stock system. a. CrS b. Cr2O3 c. CrI3 X 6H20 d. CuCl e. CuI2 f. CuBr2 x 4H20 g. HgCl2 h. Hg2Cl2 i. Fe (OH)3 I am totally lost. I don't know how to name these. I have...

*September 29, 2015*

**CHEMISTRY**

IS THIS RIGHT? Name the following binary acids: HF(aq) – Hydrofluoric Acid HCl (aq)– Hydrochloric Acaid H2Se(aq) – Hydroselenide Acid HBr(aq) – Hydrobromic Acid HI (aq)– Hydroiodic Acid H2Te (aq)- hydrotelluric acid

*September 29, 2015*

**chem**

name the following binary acids. is the name for K2S, potassium sulphide or potassium sulfide? and is the name for K2Te, potassium telluride?

*September 29, 2015*

**precalc**

3- l2x-4l is less than or equal to 1 are the values of x x is greater than or equal to 3 x is less than or equal to -3

*September 27, 2015*

**precalc**

i also need help with these two questions: 1/r=1/r1 +1/r2 solve for r1 and: f= G(mM/r^2); solve for m

*September 27, 2015*

**precalculus**

hello there! i wanted to check my answer. is: 2(x-y) / (radical x- radical y) = 2 radical x + 2 radical y? thanks so much for your help!

*September 27, 2015*

**Physics**

Determine the direction of frictional forces (left, right, up down) for the objects: 1) A cup resting on top of a car. The car is moving and accelerating to the right. Up - This one I'm not sure but I think up because the frictional force would have to go up to hold the ...

*September 16, 2015*

**science**

B. 12.14 + 3.400 + .7 = 16.24 but you only need 3 sig figs

*September 15, 2015*

**Physics**

A bicycle racer sprints near the end of a race to clinch a victory. The racer has an initial velocity of 10.3 m/s and accelerates at the rate of 0.370 m/s2 for 7.01 s. What is his final velocity? a) 12.9 m/s The racer continues at this velocity to the finish line. If he was ...

*September 15, 2015*

**PHYSICS**

25.58 m 4.4^2 x 25.2^2 = x^2 sqrt(x) = 25.58

*September 15, 2015*