Saturday

November 28, 2015
Total # Posts: 1,712

**math**

a six sided cubed is rolled. find the probability of p(6)
*November 28, 2015*

**M**

FIRST QUESTION: A SOCK DRAWER HAS 2 BLUE PAIR,4 WHITE PAIR, 4 BLACK PAIR. WHAT IS THE PROBABILITY YOU WILL PICK OUT A WHITE PAIR OR A BLUE PAIR. YOU REPLACE EACH PAIR AFTER YOU PICK. SECOND QUESTION: WHAT IS THE PROBABILITY YOU CAAN PICK OUT 1 BLUE, 1 WHITE, OR 1 BLACK. YOU ...
*November 28, 2015*

**Organic Chemistry**

What is the optical purity of a partially racemized product is the calculated specific rotation is -8◦ and the pure enantiomer has a specific rotation of -10◦? Calculate the percentage of each of the enantiomers in the partially racemized product. I'm very lost...
*November 27, 2015*

**Moorpark**

Determine the concentration of NO3- in each of the following aqueous solutions. (Assume complete dissociation of each compound.) 0.30 M KNO3, 0.30 M Ca(NO3)2, 0.30 M Cr(NO3)3
*November 22, 2015*

**Algebra 2**

The income from the school car wash is one, five, and ten dollar bills came to a total of $355. If there are 120 bills all together, and twice as many one dollar bills as five and ten dollar bills combined, how many bills of each denomination are there? How do I get three ...
*November 17, 2015*

**Moorpark **

Ice has negative caloric content. How much energy, in each of the following units, does your body lose from melting 175g of ice? Express your answer in J, kJ, cal, Cal
*November 16, 2015*

**Chemistry**

Ice has negative caloric count. How much energy, in each of the following units, does your body lose from melting 175g of ice? Express your answers in J, kJ, cal, Cal
*November 16, 2015*

**Language Arts**

"Type a paragraph in which you use at least two linking commas, two semicolons, and one colon." Does the paragraph below match the criteria above? My dog, Bruno, is absolutely amazing; he's so many things for a one year old Miniature Pinscher: funny, smart, ...
*November 16, 2015*

**algebra**

a swimming pool is 60 ft long and 35 ft wide. a model of the pool is 9 in long. how wide is the model
*November 16, 2015*

**Math 6th grade**

I do not understand verbal representation. Graphic re presentation? Numerical representation?
*November 15, 2015*

**language arts**

thank you ill try a :)
*November 13, 2015*

**language arts**

SO IT IS A?
*November 13, 2015*

**language arts**

The plaza was a delightful place to sit in the sunshine. A. town square B. living room C. playground D. park is it a?
*November 13, 2015*

**Geometry**

Which statement is a good definition? You are a teenager if and only if you are 15 years old. You are not a teenager if and only if you are less than 13 years old. You are 13 to 19 years old if and only if you are a teenager. You are 15 years old if and only if you you are not...
*November 12, 2015*

**Geometry**

Which statement is no true about adjacent angles? They have no interior points in common. They share a common side. They are coplanar. They have the same measure. My answer: D
*November 12, 2015*

**Geometry**

What is point P in triangle ABC called? A.incenter B.median C.circumcenter D.centroid My answer: D
*November 6, 2015*

**math**

what is the answer for bard is making necklaces and he did 1 white and than 3 blue and than 1 white
*November 4, 2015*

**Math**

Wait, the answer isn't that. It's $125.60.
*November 2, 2015*

**Math**

The answer is $452.16 but I'm unsure on how to get there.
*November 2, 2015*

**Math**

Sarah bought a circular marble table top to use as her dining room table. The marble is 4 ft in diameter. Find the cost of the table top at $90 per square yard of marble.
*November 2, 2015*

**Maths**

Formula for Perimeter of a Rectangle- 2l+2w 2(2.45)+ 2(1.62)=8.14 or 2.45+2.45+1.62+1.62=8.14
*November 2, 2015*

**health economy**

Suppose that you are to specify a short-run production function for counseling services.Which inputs might you include in the production function?Which would be varaiable inputs and which would be fixed inputs?
*October 28, 2015*

**Health**

If you’ve decided to lose weight then ________.
*October 26, 2015*

**Chemistry**

What mass of liquid water at room temperature (25◦C) can be raised to its boiling point with the addition of 43.0 kJ of energy? Answer in units of g.
*October 24, 2015*

**Chemistry**

3490 J of heat are added to a 20.4 g sample of iron at 20◦C. What is the final temperature of the iron? The specific heat of iron is 0.449 J/g · K. Answer in units of K.
*October 24, 2015*

**Chemistry**

Energy in the amount of 479 J is added to a 89.0 g sample of water at a temperature of 8.00◦C. What will be the final temperature of the water? Answer in units of ◦C.
*October 24, 2015*

**Chemistry**

if a photon of light has an energy of 2.35x10^-19 J, calculate the frequency and wave length. What solution do I use to get the answer?
*October 21, 2015*

**social studies**

economic problems after civil war. How are the people doing all of the work going to be paid and by whom?
*October 18, 2015*

**social studies**

who would be allowed to be in the military during the reconstruction era i understand that whites were already in the military and blacks just got the opportunity to vote but I'm not sure if they could pin the military.
*October 16, 2015*

**social studu**

They are farmers
*October 16, 2015*

**social studu**

what is the South going to do for economy now that slavery is abolished?
*October 16, 2015*

**biology**

In an investigation to find the number of african potato plants in a field of area 6 000m^2 three plots were selected.each with an area of 10^2.Pot 1 contained three and the other plots contained seven and two african potato plans,respectively. 1.name two advantages of ...
*October 16, 2015*

**Moorpark**

A solution contains an unknown mass of dissolved barium ion. When sodium sulfate is added to the solution, a white precipitate forms. The precipitate is filtered and dried and then found to have a mass of 210 mg. What mass of barium was in the original solution? (Assume that ...
*October 14, 2015*

**Math**

a gift store owner used 9 rolls of wrapping paper to wrap his customers' gifts last week. each roll was 58 1/3 inches long. how many gifts did he wrap if a 8 1/3 inch long piece of wrapping paper was used to wrap each gift?
*October 12, 2015*

**Algebra**

i got 0.09090909
*October 7, 2015*

**Algebra**

So finding the decimal equivalents you multiply 1 divided by 9
*October 7, 2015*

**Algebra**

What is it?
*October 7, 2015*

**Algebra**

Which rational number equals 0 point 1 with bar over 1? 1 over 11 1 over 10 1 over 9 1 over 8
*October 7, 2015*

**Middle School Math**

The marching band is selling cases of fruit for $13 per case. a. Write an algebraic expression for the cost of f cases of fruit. b. Evaluate the expression for 250 cases. Question 17 options:
*October 7, 2015*

**Chemistry**

I cannot understand how the mass of the system has changed. There's no need for you to do my work please just explain it to me! :) thanks so much A scientist placed copper powder into a crucible and heated it until all of the copper reacted. The resulting product was ...
*September 29, 2015*

**Chemistry**

Calculate the number of moles of carbon atoms present in 1.1 g of ethanol (C2H6O). Answer in units of mol.
*September 16, 2015*

**Chemisrty**

What is the weight of 6.14×10^21atoms of phosphorus?Answer in units of g.
*September 16, 2015*

**Chemistry**

How many atoms of mercury are present in 3.2 cubic centimeters of liquid mercury? The density of mercury is 13.55 g/cc. Answer in units of atoms.
*September 16, 2015*

**Chemistry**

An analysis of nicotine (MW = 162 g/mol) gives 74.0% carbon, 8.65% hydrogen, and 17.3% nitrogen. What is the TRUE (MOLECULAR) formula for nicotine? All I need are the formulas!!
*September 16, 2015*

**science**

What is an example of physical science? I know it is movement but can you give an example in a sentance and explain please?
*September 15, 2015*

**science**

It will be A
*September 15, 2015*

**Physics**

You throw a ball with a mass of 160 g into the air with an initial speed of 19.8 m/s. How high does the ball rise?
*September 13, 2015*

**Physics**

A brick is dropped out of a window. It hits the ground 3.64 seconds later. How high is the window?
*September 13, 2015*

**Chem **

What is the balanced net ionic equation for copper(2)chloride and potassium carbonate ?
*September 8, 2015*

**Chemistry HELP**

What is the velocity of an electron that has a de broglie wavelength approximately the length of a chemical bond? Assume this length to be 1.2 X10^-10 m.
*September 5, 2015*

**Chemistry**

would the formula look like this? v=(6.626x10^-340/9.11X10^-31x1.85x^7 would the answer then be 2.0X^-10
*September 5, 2015*

**Math**

Pencils come in packages of 10 each. Packages are packed 20 to a box, and boxes are packed 500 to a carton. How many pencils are in a carton?
*August 30, 2015*

**math**

a 12 cm by 16 cm picture is mounted with border of uniform width on a rectangular frame. if the total area of the border is 288 cm2, what is the length of the side of the frame?
*July 21, 2015*

**Science**

if 0.75 mole of helium gas occupies a volume of 1.5. what volume will 1.2 mole helium occupy at the same teperature and pressure?
*June 28, 2015*

**math**

How many terms are there In an arithmetic Sequence with a common different of 4 and with the first and last term 3 and 59 Respectively.
*June 19, 2015*

**chemistry**

Why does acetone evapourate faster than water in terms of intermolecular forces
*May 25, 2015*

**chemistry**

why does water,oil,acetone and isopropanol have the same concave meniscus shape?
*May 25, 2015*

**English PLZ HELP**

Which of the following are examples of coordinate headings? A. 3, b, iii B. A, i, a C. ii, 2, B D. A, B, C My answer was C but i got it wrong, im torn between A and B? PLEASE HELP CANT FIND IT IN MY TEXT BOOK
*May 22, 2015*

**English, Written Communication**

Which of the following are examples of coordinate headings? A. 3, b, iii B. A, i, a C. ii, 2, B D. A, B, C My answer was C but i got it wrong, is it A? PLEASE HELP CANT FIND IT IN MY TEXT BOOK
*May 22, 2015*

**geometry**

I have two circles that are congruent to each other one has a lenght of 8ft and the second is half of 8ft. What is the length of the second circle
*May 13, 2015*

**chemistry**

Why does a titrated sample that is fuschia with phenolphthalein turn colorless when the solution is blown into? HINT: Use chemistry and properly balanced chemical equations to support your statement.
*May 13, 2015*

**chemistry**

A compound is 52.17 % C, 13.04 % H and 34.78 % O. What is its empirical formula?
*May 13, 2015*

**chem**

What is the hybridization of the Fe(C2O4)33- complex?
*May 13, 2015*

**chem**

Substances with paired orbital electrons are considered:
*May 12, 2015*

**chem**

Is the Fe(C2O4)33- ion an inner or outer orbital complex?
*May 12, 2015*

**chem**

yes I think so I just am having trouble with chemistry this is hard
*May 12, 2015*

**chem**

Which reagent oxidizes the ferrous oxalate dehydrate?
*May 12, 2015*

**chemistry**

Balance the following reactions using the non-traditional method of balancing redox Nickel(II) hydroxide + oxygen = Nickel(III) hydroxide Copper(I) hydroxide + oxygen = Copper(II) hydroxide
*May 8, 2015*

**math**

I have a question on my math that my teacher cant help me with because this one is for try it. Can you help me see if it is right?: It says: 12 . Wich is equal to 30 hundreths? A)3 thousandths B)3tenths C)3 tens D)3thousands I think the answer is B but, it really confuses me ...
*May 7, 2015*

**math**

Rich has 3 pieces of pizza. Each pizza end forms a 20° angle. If all of the pieces were placed together what would the size of the angle be?
*May 7, 2015*

**chemistry**

20 g NaOH are dissolved in 1 L H2O. What is the N of the NaOH solution
*May 6, 2015*

**chemistry 121 **

If a solution of 0.5 M HOAc dissociates as follows: HOAc + H2O „® H3O+ + OAc-, what is the final [H3O+] in the solution? Ka for HOAc = 1.8„ª10-5. What is the pH of the above solution? What is the Kb for HOAc? not sure of the initial set up please help
*May 5, 2015*

**Optimization Calculus**

A three sided fence is to be built next to a straight section of river, which forms the fourth side of a rectangular region. There is 96 ft of fencing available. Find the maximum enclosed area and the dimensions of the corresponding enclosure. I drew a picture of it and I got ...
*May 2, 2015*

**Chemistry**

A 1X Phosphate Buffered Saline solution was prepared by adding 1.44g of Na2HPO4 and 1.44g of H2PO4- to 800mL of water. Additional components were dissolved in the solution: 8g of NaCl, 0.2g of KCl and 0.24g KH2PO4. The resulting buffer solution had a pH of 7.2. a. Calculate ...
*April 28, 2015*

**Calculus **

A road perpendicular to a highway leads to a farmhouse located 6 mile away. An automobile traveling on the highway passes through this intersection at a speed of 55mph. How fast is the distance between the automobile and the farmhouse increasing when the automobile is 2 miles ...
*April 10, 2015*

**Chem II**

Nevermind. I figured out what I needed to do. Thank you anyway!! =)
*April 7, 2015*

**Chem II**

The conversion of glucose into lactic acid drives the phosphorylation of 2 moles of ADP to ATP and has a standard free energy of -135 kJ/mol. C6H12O6 + 2 HPO4 + 2 ADP + 2 H+ --> 2CH3CH(OH)COOH + 2 ATP + 2H20 What is the standard free energy for the conversion of glucose ...
*April 7, 2015*

**chemistry**

n2+3I2>2NI3 if you have 28g of N2how many grams of NI3 will you be able to make?
*March 30, 2015*

**math**

I need to do the work on how I got the answer
*March 29, 2015*

**math**

how did you come up with the answer
*March 29, 2015*

**math**

I don't understand
*March 29, 2015*

**math**

Ruth's brother just went away to college this fall and had to buy his own laundry soap and fabric softener.The laundry soap was twice the cost of the fabric softener. the total of the two items was $7.47. how much did the laundry soap and the fabric softener cost ...
*March 29, 2015*

**chemistry**

A particular weak acid (HA) with a Ka of 2.0e-5 is 75% titrated with a strong base to produce a buffer solution. What is the pH of this final solution? Show all work.
*March 24, 2015*

**Math**

a cone and a hemisphere share the base that is a semicirclee with radius 3 and the cone is inscribed inside the hemisphere. find the volume of the region inside the hemisphere
*March 18, 2015*

**Math**

Solve the simultaneous equation 1/p minus 1/q = 3/2 1/p plus 1/q = 4
*March 18, 2015*

**Quote Analyzation**

"I backed away from him until I was atop the forecastle deck. The line of the crew had split, some to either side. 'Help me!' I appealed to them again. But though they were deaf to Captain Jaggery, they were equally deaf to me. The captain, in careful pursuit, now...
*March 17, 2015*

**Reading Comprehension**

"The steady wash of the waves, the bobbing and swaying of the ship, the creak and groan of timbers, all told me the Seahawk was plowing toward home...Nervously,I glanced over my shoulder through the steerage cabin...I had neglected to consider something about the voices I...
*March 16, 2015*

**Elementary Statistics**

Oops, never mind. I understand what I was doing wrong. Thank you :)
*March 10, 2015*

**Elementary Statistics**

My confusion isn't with the idea of IQ scores, I'm having trouble calculating the z-score when the number given is less than the mean. My answer doesn't make logical sense like it would if the x number was higher than the mean. If you could walk me through that I ...
*March 10, 2015*

**Elementary Statistics **

"Scores on the Wechsler IQ test approximate a normal curve with a mean of 100 and a standard deviation of 15. b. What percentage of IQ scores are below 74?" I've been working at this for a while now, but when I solve for the z-score, I keep getting a negative ...
*March 10, 2015*

**English (Novel)**

In chapter 18 of The True Confessions of Charlotte Doyle, how is the crew beguiled (tricked) into believing Captain Jaggery's testimony over Charlotte's?
*March 10, 2015*

**novel**

"Though I tried to keep my head up, my eyes steady, it was not easy. They looked at me as if I were some loathsome thing. At the same time, the more objections they made, the more determined a I was to prove myself." What might this quote from chapter 13 of The True ...
*March 6, 2015*

**Novel**

In chapter 13 of The True Confessions of Charlotte Doyle, why are the sailors hesitant about Charlotte taking Mr. Johnson's place on the crew?
*March 4, 2015*

**Novel**

In chapter 10 of The True Confessions of Charlotte Doyle, why does Cranick suggest that Captain Jaggery have Charlotte defend him?
*March 2, 2015*

**Novel **

In chapter 9 of The True Confessions of Charlotte Doyle, what does Charlotte try to work out in her head? What conclusion does she draw?
*March 2, 2015*

**Novel**

In chapter 9 of The True Confessions of Charlotte Doyle, Charlotte goes to the forecastle for the first time since she has been aboard the Seahawk to get a needle for Ewing. What might this suggest about her character? Of what literary device is this an example?
*March 2, 2015*

**books**

In chapter 9 of The True Confessions of Charlotte Doyle, where does Charlotte go for the first time since she has been aboard the Seahawk? For what does she go there? What might this suggest about her character? Of what literary device is this example?
*March 2, 2015*

**Math!! Help ASAP**

Calculate the slant height for the given cone. Round to the nearest tenth. Diameter=18 cm. Height=7 cm. A.11.2 B.12.5 C.14.8 D.11.4 ******** Correct?!?!
*February 26, 2015*

**Organic Chemistry**

I believe that it is eclipsed
*February 25, 2015*

**Social studies**

Do you have a book for this?
*February 25, 2015*