Saturday

December 3, 2016
Total # Posts: 3,134

**science chemistry**

A basic amino acid,arginine,has a molar mass of 174g.mol^-1.it has the following percentage composition:41,38% carbon, 18,39% of oxygen,32,18% of nitrogen and 8,O5% of Hydrogen.determine the molecular formular of arginine

*June 14, 2015*

**math**

If one bag of skittles contains 1 and 1/4 cups then how many bags of skittles would 12 cups of skittles be divided into?

*June 11, 2015*

**geometry**

the answer is 10

*May 28, 2015*

**Chemistry **

A 50 ml sample of .150M Ch3CooH is titrations with .150 M NaOh solution. Calculate the ph after the following volumes of base have been added: 49 ml, 51ml

*May 27, 2015*

**LA**

Hey Ms.Sue, its pretty obvious what this site is used for. If you havent gotten that yet, then let me explain this to you: student give student answers, mostly from connections academy, and other online schools.

*May 22, 2015*

**The giver**

For connexus these are wrong i just got 0/3 f**k

*May 19, 2015*

**LA**

I was not asking for anyone to just give me an essay a website was fine but now I got my answer

*May 14, 2015*

**LA**

In the play the importance of being earnest by Oscar Wilde. How are the characters jack and lager in developed through the use of dialogue? How are these characters similar? How are they different?

*May 14, 2015*

**LA the giver chapters 1-2**

B C B D These are correct answers for connection academy

*May 13, 2015*

**math**

logb3=1.099 logb8=2.079 find logb216 i am just lost on what to do

*May 11, 2015*

**Calculus**

I BELEAVCE IT IS CORRECT

*May 8, 2015*

**history**

would it be a

*May 8, 2015*

**math**

6.3

*May 6, 2015*

**chemistry**

select one acid, one base, and one salt and describe specifically how and where they are used in therapeutic processes.

*May 6, 2015*

**math**

6 minutes

*May 5, 2015*

**science**

31 mL servings, 170 left over

*May 5, 2015*

**science**

thx Ms. Sue :)

*May 5, 2015*

**science**

Earth's energy sources include both nonrenewable and renewable resources. Name at least three sources of energy that could be used in your house. The describe the ideal energy source for generating most of your home's electricity, and explain why you chose that source...

*May 5, 2015*

**chemistry**

what is a mole

*May 5, 2015*

**physics**

X=V^2 / 2(mu)(9.8) X=4.1m

*May 3, 2015*

**Chemistry**

250.0 mg solid magnesium placed in 9.1 g aqueous zinc nitrate... What is the limiting reagent? I balanced the equation: Mg (s) + 2HNO3 (aq) -> Mg(NO3)2 (aq) + H2 (g) 250 mg 9.1 g

*May 1, 2015*

**math**

jamie is joining a music club as part of her 4-cd introductory package she can choose from 12 rock selection, 10 alternative selection 7 country selections and 5 classical selection if jamie chooses on selection from each category how many ways can she choose her introductory ...

*April 29, 2015*

**math**

a=70

*April 22, 2015*

**math**

2a-140

*April 22, 2015*

**math**

140

*April 22, 2015*

**SS 6th grade**

Does anyone have the answers to the test

*April 21, 2015*

**math**

A study of two types of weed killers was done on two identical weed plots. One weed killer killed 15% more weeds than the other. This difference was significant at the 0.05 level. What does this mean? A. The improvement was due to the fact that there were more weeds in one ...

*April 17, 2015*

**math**

If you have a twelve gallon bucket, a seven gallon bucket, and a six gallon bucket, how can you get exactly nine gallons into one bucket

*April 16, 2015*

**algebra**

the isotope has a very short life of 13 half-life days. estimate the percentage of the original amount of the isotope released by the explosion that remains 3 days after the explosion?

*April 16, 2015*

**statistics**

The distribution of B.A. degrees conferred by a local college is listed below, by major. Major Frequency English 2073 Mathematics 2164 Chemistry 318 Physics 856 Liberal Arts 1358 Business 1676 Engineering 868 9313 What is the probability that a randomly selected degree is not ...

*April 16, 2015*

**biology**

Ms. Sue, woyls it be B?

*April 13, 2015*

**SS Help!!**

Latfia is right

*April 13, 2015*

**geometry**

have 2 || lines C and d. lines intersect lines are a and b. On a, has 2 alternate interior <s 95 and x; 2 al. exterior <s 95 and 85 degrees. On b, consecutive interior <s 72 and y. What is x and y. Please explain reasoning in paragraph proof.

*April 12, 2015*

**Integration**

Integrate: ∫ x^2(x^2+1)sqrt(4-2x^3-x^4) dx

*April 11, 2015*

**physics**

A cat usually lands on its feet regardless of the position from which it is dropped. A slow-motion film of a cat falling shows that the upper half of its body twists in one direction while the lower half twists in the opposite direction. (See figure below.) Why does this type ...

*April 10, 2015*

**Calculus**

List x1, x2, x3, x4 where xi is the right endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 3 and x = 5. 3, 3.5, 4, 4.5 3, 3.2, 4.6, 5 3.5, 4, 4.5, 5 3.25, 3.75, 4.25, 4.75 my answer was a because i kept getting numbers like 3, ...

*April 3, 2015*

**math**

1/4 of henry sticker is equal to 2/3 of daisy. difference in number of sticker each of them has is 135. how many stickers do they have in all?

*April 2, 2015*

**math**

Sam and Jill had 576 stamps in all. Sam gave 1/7 of his stamps to Jill. Then Jill gave 1/4 of the total number of stamps she now had to Sam. In the end, both of them had the same number of stamps. What was the difference in the number of stamps they each had at first?

*April 2, 2015*

**math**

Esth had five times as many cards as Rich. Esth gave 1/4 of her cards to Rich. Rich. gave 1/6 of his cards to Esth in return. In the end, Esth had 90 cards more than Rich. How many cards did Esth have at first?

*April 2, 2015*

**Algebra 2**

Use trigonometric identities to solve each equation for the given domain. sin 2θ = -cos θ for 0 ≤ θ < 2π *Anyone who has any idea which identity to use is welcome to help

*April 1, 2015*

**Math / Algebra 2**

Use trigonometric identities to solve each equation for the given domain. sin 2θ = -cos θ for 0 ≤ θ < 2π *Anyone who has any idea which identity to use is welcome to help.

*April 1, 2015*

**algebra**

The angle of elevation from the tip of the shadow to the top of the tree is 36°. Find the distance from the top of the tree to the tip of the shadow. Round the answer to the nearest tenth.

*March 30, 2015*

**math**

it doe snot say

*March 30, 2015*

**math**

An office supply company is shipping a case of wooden pencils to a store. there are 64 boxes of pencils in the case. If each of pencils weighs 2.5 ounces, what is the weight, in pounds, of the case of wooden pencils?

*March 30, 2015*

**math**

Please show your work. Tutors will not do your homework for you. Please show your work for any question that you are posting.

*March 29, 2015*

**chemistry**

dissolving 4.022 g of a salt in 100 mL of water changes temperature by -1.2^oC: what is the heat absorbed? The specific heat of water is 4.184 J/(g*C)

*March 28, 2015*

**social studies**

erfvb yu,kli...cwd

*March 24, 2015*

**Science**

thx reed :)

*March 19, 2015*

**Science**

Ok I will go back through my lesson and check #3 thx :)

*March 19, 2015*

**Science**

1. Which type of weather technology often carries cameras that can make images of Earth's surface, clouds, and snow cover? A. weather balloon B. weather satellite**** C. computer D. automated weather station 2. Why are weather forecasts more reliable now compared to ...

*March 19, 2015*

**chemistry**

0.0034 Mol of CaCl2

*March 18, 2015*

**math**

How many square yards of carpeting are needed to cover the floor of a rectangular room that is 21 ft. long and 12 ft. wide?

*March 17, 2015*

**Accounting **

E13 Selected account balances of the Lakeside Grocery Store for the year ended December 31, 20xx, follow. Beginning merchandise inventory was $ 26,000, and ending merchandise inventory is $ 22,000. Prepare closing entries, assuming that the owner of Lakeside Grocery, John ...

*March 16, 2015*

**Statistics**

Okay, but what if the maximum that each box can hold is 2?

*March 14, 2015*

**Statistics**

How many different ways can you put 3 distinguishable things in 10 boxes?

*March 14, 2015*

**SOCIAL STDIES HELP! 8th**

Connetions

*March 11, 2015*

**Chemistry**

What is the pH of a solution made by mixing equal vlumes of .10 M HC2H3O2, .1 M NaOH, and .05 M HCl?

*March 10, 2015*

**physics**

incorrect

*March 10, 2015*

**physics**

A plastic rod is rubbed against a wool shirt, thereby acquiring a charge of −4.9 µC. How many electrons are transferred from the wool shirt to the plastic rod? The elemental charge is 1.6 × 10−19 C.

*March 10, 2015*

**Art**

SORRY NUMBER TWO IS C

*March 9, 2015*

**Art**

THE ANSWER ARE NUMBER ONE IS D AND NUMBER TWO IS B

*March 9, 2015*

**Chemistry**

A .2688-g sample of a monoprotic acid neutralizes 16.4 mL of .08133 M kOH solution, calculate the molar mass of the solution? First of all how can I calculate the molar mass?

*March 5, 2015*

**math**

A rectangular tank measures 30cm by 15 cm by 20 cm. It contains water to a depth of 15 cm. How many metal cubes of edge 5 cm need to be placed in the water to raise the water level to the brim of the tank?

*March 4, 2015*

**math**

joking its good

*March 4, 2015*

**math**

check good it bad hahahaha

*March 4, 2015*

**Art Help!!! Thank you**

these are all right 100% GARANTEE

*March 3, 2015*

**math**

15 isss wronggggggg

*March 3, 2015*

**math**

none

*March 3, 2015*

**physics**

lol idk dis bull

*February 28, 2015*

**Art**

lol

*February 28, 2015*

**Science**

What is a conducter

*February 26, 2015*

**Physics 1**

192.70

*February 26, 2015*

**Science**

What are insulaters

*February 26, 2015*

**math**

I= (400)(0.09)(2) I= 72

*February 25, 2015*

**chemistry**

An ice cube weighing 22.7 g at a temperature of 0.0°C is added to 125 mL of water at 27.1°C in an insulated container. What will be the final temperature after the ice has melted?

*February 22, 2015*

**Geometery**

From Pyth thereom,AB =root (35^2+60^2)= 5 root(193) Height CN=AC*CB/ AB= 60*35/ 5 root(193)= 420/root(193) Now find CT Tan40 = CT/ DC But DC= 60 root 2 ( it is hyp of rt triangle ADC) CT= DC tan 40= 60 root 2 * 0.84 Angle of elevation of TN is Arc Tan(CT/CN)= Arc tan (60 root ...

*February 22, 2015*

**Geometery**

A, B, C and D are on horizontal level ground and CT is vertical pole. B is 35 m due east of C, A is 60 m South of C and D is 60 m West of A. Calculate the angle of elevation of T from N. I m really suck...plz help

*February 22, 2015*

**chemistry**

How many grams of water are required to completely hydrolyze 0.54 grams of lidocaine? What type of be equation should be used?

*February 19, 2015*

**ECONOMICS**

What do YOU think?

*February 18, 2015*

**math**

Ahaha ghee

*February 11, 2015*

**Science!!!**

Is he right??

*February 11, 2015*

**Math**

in square meters plz

*February 11, 2015*

**Math**

ok so how do I solve the problem

*February 11, 2015*

**Math**

tiles cost 28 per square meter. How much will it cost to cover the countertop with new tile

*February 11, 2015*

**Math**

what is the area of the countertop in square meters

*February 11, 2015*

**Math**

A countertop is 16 feet long and 3 feet wide

*February 11, 2015*

**Chemistry**

Are you in Mr. Leingang's class?

*February 10, 2015*

**chemistry**

If the intial rate of the reaction produces 2 moles of water vapor, H2O, per second, what is the rate at which oxygen, O2, is consumed initially?

*February 10, 2015*

**Math**

its number 2 bro

*February 10, 2015*

**Calculus**

Graph the function f(x)=x+4/x Graph the secant line that passes through the points (1,5) and (8,8.5) on the same set of axes Find the number c that satisfies the conclusion of the Mean Value Theorem for f on [1,8] c= Notice that if you graph the tangent line to the point (c,f(...

*February 8, 2015*

**Math**

Hey Daisy. Plot your data points on desmos it'll help. Once plotted, this question is awfully easy.

*February 7, 2015*

**Physics**

A stationary observer hears a sound with a frequency of 450 Hz from an approaching car. If the car emits the sound at a frequency of 360 Hz, what would be the speed of the car? (Speed of sound 340 m/s)

*February 6, 2015*

**language arts**

The speaker feels confident

*February 5, 2015*

**CHEM**

what is the mass percentage if you dissolve 0.659 mol of citric acid, C6H8O7, in 1.00 kg of water.

*February 1, 2015*

**Algebra**

Well your answer is wrong and you should use IXL it help alot.

*February 1, 2015*

**Algebra**

Tom curry apple jacks

*February 1, 2015*

**Math problems**

21

*February 1, 2015*