Saturday

August 29, 2015
Total # Posts: 2,654

**Physics **

A speeding motorists passes a stopped police car. At the moment he passes, the police car begins accelerating at a constant rate of 4.4 m/s^2. The motorist unaware that he is being chased, continues at a constant speed until the police car catches him 12s later. How fast was ...
*August 23, 2015*

** Algebra **

while turning a city, you see a skyscrape and wonder how tall it is. You see that it is clearly divided into floors . You estimate that each floor is 20 feet high . You kill that the skyscraper as 112 floors .how tall is the skyscraper
*August 22, 2015*

** Algebra **

You go to a forest and measure the shadow of a tree as being 6 m long. The shadow of your meter stick is 2 m long .How tall is the tree ?
*August 22, 2015*

**History **

Prior to 1954, if a state wanted to enact a program that separated individuals based on their race, but still provide both sets of persons equal services, what would the government have to demonstrate for this program to be deemed constitutional? A. it was necessary to promote...
*July 23, 2015*

**algebra**

A country's population in 1995 was 175 million. In 2000 it was 181 million. Estimate the population in 2020 using the exponential growth formula. Round you answer to the nearest million. P=Ae^kt
*July 15, 2015*

**Math**

Thank you Steve
*July 13, 2015*

**Math**

Barry is 6 yrs old.Larry is twice as old as Barry.Terry is the same number of years older than Barry as he is younger than Larry.How many years old is Terry?
*July 13, 2015*

**physics**

This one is bookwork. Google "Electric field generated by two point charges utexas" and the first link will help.
*July 8, 2015*

**Physics**

I want to calibrate a barometer using current pressure. I live in a town with altitude 540m (at the top of an escarpment) but the closest internet pressure readings are from a town which is 50m above sea level(at the bottom of the escarpment). Assuming the temperature varies ...
*July 8, 2015*

**PHYSICS PLS HELP**

What is her weight force? Use Newton's 2nd Law to find the unbalanced force which she will need to make her 50kg mass accelerate upwards. (remember, the acceleration is only upwards because it's caused by the unbalanced force acting on her in the opposite direction in ...
*July 7, 2015*

**math**

Sam is four years younger than Jo. But in five years' time Jo will be twice Sam's age now. How old are they now?
*July 7, 2015*

**Math**

Thank You.
*July 2, 2015*

**Math**

Mary is getting paid $383.00 every two weeks at her job. How much does she make hourly? How would I figure this out?
*July 2, 2015*

**Math**

I think it's A. 15,000(0.986975)^10(12)
*June 28, 2015*

**Math**

You have a balance of $15,000 for your tuition on your American Express credit card. If your APR is 21%, you make no further charges, and each month you make only the minimum payment of 3% of your balance, then the formula for the balance after t monthly payments is given by ...
*June 28, 2015*

**Government **

Iowa has to honor a marriage that was granted in Indiana. True False Im so confuse
*June 16, 2015*

**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*

**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*

**math**

logb3=1.099 logb8=2.079 find logb216 i am just lost on what to do
*May 11, 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*

**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*

**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 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*

**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*

**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*

**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**

15 isss wronggggggg
*March 3, 2015*

**math**

none
*March 3, 2015*

**Science**

What is a conducter
*February 26, 2015*

**Physics 1**

192.70
*February 26, 2015*

**Science**

What are insulaters
*February 26, 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*

**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*

**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*

**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*

**physicss**

A 0.145 kg baseball pitched at 44.0 m/s is hit on a horizontal line drive straight back toward the pitcher at 52.0 m/s. If the contact time between bat and ball is 3.00 ✕ 10-3 s, calculate the average force between the ball and bat during contact.
*January 29, 2015*

**Physics **

A spring with an unstrained length of 0.075 m and a spring constant of 2.7 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring. A sphere with a mass of 4.84 10-3 kg and a net charge of +7.0...
*January 28, 2015*

**physics**

SOMEONE HELP ME PLEASE
*January 27, 2015*

**physics**

A boy on a 2.2 kg skateboard initially at rest tosses a(n) 8.4 kg jug of water in the forward direction. If the jug has a speed of 3.0 m/s relative to the ground and the boy and skateboard move in the opposite direction at 0.60 m/s, find the boy’s mass. Answer in units of kg
*January 27, 2015*

**English**

I have to pick a topic for an argumentative research paper, but when I think about different topics I realize that all of my ideas and support on the subjects are from other people's ideas that I have read or heard. So how do I come up with original ideas for a topic ...
*January 27, 2015*

**Math**

Samuel and Jason 3/4 of the combined earnings from Wednesday to buy a gift. how much do they spend? Is there enough left over from Wednesday's earnings to buy a card that costs $3.25?
*January 22, 2015*

**math**

repost find unknown number in the equation 9/10 - x = 1/5
*January 21, 2015*

**math**

find unknown number in the following equation 9/10 - x +1/5 what is x
*January 21, 2015*

**math**

the wheel of a bicycle has a diameterof 72 cm and are rotating with an angular velocity of 12 rad/s. determine how much time the bicycle takes to travel 100m.
*January 21, 2015*

**Math**

First week sells 6 chairs for $80 each. Next week, if chair is not sold, it will sell for 0.85 times previous week's price. Store needs to sell 6 chairs for total of $270 to make a profit. what is the last week in which all 6 chairs could be sold so that the store makes a ...
*January 20, 2015*

**English help**

I think it's hard news article.
*January 7, 2015*

**LANGUAGE ARTS !! 8TH GRADE**

YOU ARE WRONG OMFG WHY WHY WHY WHY WHY WHYW HYW LIESSSSSSSSSSSSSSSSSSSSSSS
*January 6, 2015*

**physics**

By the way, the equation is: Fg = GM/r^2 Where G = Gravitational Constant (6.67 * 10^-11) M = Earth's mass r = Earth's radius The givens are: Earth's mass = 5.98 * 10^24 kg Earth's radius = 6.38 * 10^6 m
*January 5, 2015*

**physics**

What is the distance from the earth's center to a point where your weight would be 1/25 of what you weigh at the surface?
*January 5, 2015*

**Quick Question**

When you have to pay for something weekly, does that mean every end of the week?
*January 3, 2015*