Friday

July 1, 2016
Total # Posts: 511

**algebra 2**

A person playing a game of chance has a 0.25 probability of winning. If the person plays the game 20 times and wins half of that number of times, what is the difference between the theoretical probability and the experimental probability of that person winning ? 0.50 0.25 0.30...
*May 17, 2016*

**maths**

An equilateral triangle is inscribed in parabola y^2=4axsuch that the vertex of the triangle is at vertex of parabola find area of triangle
*April 16, 2016*

**maths**

Thank u soo mch fr helpin me out..
*April 16, 2016*

**maths**

1: Length of lactus rectim of parabola with vertex(1,2) and directrix 3x-4y-2=0 is A) 27/5 B) 18/7 C) 28/5 i kniw the formula to find length of lactus rectum =4a
*April 16, 2016*

**Chemistry **

if a sample of gas has a volume of 8.88 ml at -12.0 C and .975 atm. what volume would this sample have at STP?
*April 11, 2016*

**Bus. Math**

I'm stuck on this exam also. Ms. Sue can you help???
*April 4, 2016*

**Business Math**

Jane is having difficulty deciding whether to put her savings in the Mystic Bank or in the Four Rivers Bank. Mystic offers a 12% rate compounded quarterly, and Four Rivers offers 14% compounded semiannually. Jane has $40,000 to invest and expects to withdraw the money at the ...
*April 4, 2016*

**Bus. Math**

What is the net price equivalent Rate of 9-15/18? a) .63427 b) .36427 c) .63573 d) .36573 Answer: B?
*March 23, 2016*

**Math**

how do you find the x intercepts for the equation x^2 + 7x -12? like, I know you have to set it equal to 0 but I have no clue what numbers multiply to -12 and add to +7. plz help
*February 22, 2016*

**Check my answers**

So do I...
*February 18, 2016*

**Check my answers**

I am sure Amber will remember that for next time, since you are saying it repeatedly, good luck with your MATH problem Amber :)
*February 18, 2016*

**Econ**

Do you think a nation’s output should be distributed according to income or according to some other standard (such as basic human need)?
*January 25, 2016*

**Econ**

Yours, I will cite you
*January 25, 2016*

**Econ**

How do you think a nation’s output should be distributed according to income or according to some other standard (such as basic human need)? EXPLAIN
*January 25, 2016*

**physics**

Two chunks of ice are sliding on a frictionless frozen pond. Chunk A, with mass mA=5.0kg, moves with initial velocity vA1=2.0m/s parallel to the x-axis. It collides with chunk B, which has a mass mB=3.0kg and is initially at rest. After the collision, the velocity of chunk A ...
*January 7, 2016*

**Math**

A caterer prepares four times as many pizzas as she usually prepares for a large party. The caterer usually prepares 5 pizzas. The caterer also estimates that each party guest will eat 1/4 of a pizza. Can someone tell me the problenm that this would be?
*January 1, 2016*

**Pre-Calculus**

Draw the picture and find the area of the parcel of land. Circle your to partial areas and your total area. You start herman a corn and walk 300 yards due north. Then, you turn N 63 degrees E and walk 260 yards. Then, you turn S 55 degrees E and walk 240 yards. Then, you walk ...
*December 3, 2015*

**physics**

to what height should a cylindrical vessel of diameter d be filled with a liquid so that due to force on the verticle surface of the vessel be equal to the force on the bottom
*December 1, 2015*

**Physics**

A radioactive isotope of Bismuth undergoes Beta Decay with a half-life of 22 days. How long (in days) will it take the Activity (A) of the sample to decrease to one-ninth of its original value? Assume that the original activity is A0.
*November 30, 2015*

**math**

a ribbon is 7/9 of a yd long.divided by 3 people, what length will ea get?
*November 9, 2015*

**maths simplify fractions**

2 and 1over 4plus 5over8mines1over 2
*November 2, 2015*

**Chemistry**

A vessel initially contains pure A at a pressure of 1.0 bar. The total pressure of all gases at equilibrium is 1.5 bar. What is K for this reaction? A (g) <--> B (g) + C (g)
*October 19, 2015*

**Chemistry**

A vessel initially contains pure A at a pressure of 1.0 bar. The total pressure of all gases at equilibrium is 1.5 bar. What is K for this reaction? A (g) <--> B (g) + C (g)
*October 18, 2015*

**Chemistry**

A vessel initially contains pure A at a pressure of 1.0 bar. The total pressure of all gases at equilibrium is 1.5 bar. What is K for this reaction? A (g) <--> B (g) + C (g)
*October 18, 2015*

**Math **

simplify the complex fraction 4/x+5 +2 _________ 14/x+5 -2 Once i multiply by the LCD i get 4+2(x+5)/14-2(x+5) however i can't see what i can do next to simplify can you explain.
*October 7, 2015*

**Chemistry **

Aldol Condensation What might be the result if you did not add enough Hydrochloric acid and the final pH remained about 7? -Yield would likely increase and the purity of the product would increase -Yield would likely decrease and the purity of the product would decrease -Yield...
*October 3, 2015*

**math**

Keri walks her dog every morning. The length of the walk is 0.55 on each weekday. On each weekend day, the walk is 1.4 times as long as a walk on a weekday. How many kilometers did Keri walk in one week
*October 1, 2015*

**math fractions**

I got 8 6/7
*October 1, 2015*

**Chemistry **

During the synthesis of a Grignard reagent in diethyl ether solvent, what is the identity of the bubbles that show up on the surface of the magnesium? -Gaseous magnesium byproducts -Gaseous O2 -Gaseous H2 -Gaseous diethyl ether
*September 26, 2015*

**Organic Chemistry **

During the synthesis of a Grignard reagent in diethyl ether solvent, what is the identity of the bubbles that show up on the surface of the magnesium? -Gaseous magnesium byproducts -Gaseous O2 -Gaseous H2 -Gaseous diethyl ether
*September 26, 2015*

**Physical Science- Atomic Structure**

An electron jumps from energy level 1 to energy level 2 by absorbing a photon of energy 8 eV. What is the most likely energy of the photon that will be emitted by the electron when it moves back down to energy level 1? 2 eV 4 eV 8 eV 12 eV
*August 12, 2015*

**math**

|x^{2}-16x+56| = -4x-7 what does x equal?
*August 8, 2015*

**Physics**

93.34
*June 15, 2015*

**statistics**

a private opinion poll is conducted for a politician to determine why proportion of the population favors decriminalizing marijuana possession. how large a sample is needed in order to be 90 percent confident that the sample proportion will not differ from the true proportion ...
*June 15, 2015*

**Algebra**

For the following equation of a hyperbola determine the center, vertices, foci, and asymptotes? 36x^2-y^2-24x+6y-41=0
*May 4, 2015*

**Algebra**

how do you determine vertices?
*May 4, 2015*

**chemistry**

At a certain temperature, the Kp for the decomposition of H2S is 0.734.Initially, only H2S is present at a pressure of 0.102 atm in a closed container. What is the total pressure in the container at equilibrium?
*April 24, 2015*

**History**

Yea you are right I have no idea why it is called open study you can't even ask questions from your test or study's xD
*April 15, 2015*

**Biology**

sorry the last one go cut off.. and was wrong one A man and his wife both have normal vision, but a daughter who has color blindness can the man sue his wife for infidelity?
*February 20, 2015*

**Biology **

need help quickly please If barred pattern on chicken wings is a sex linked trait, set up a cross (hen and rooster), in which they the newly hatched chicks can be determined as male or female based on the barred pattern. and Color Blindness is inherited as a sex linked ...
*February 20, 2015*

**Biology**

Color Blindness is inherited as a sex linked recessive. If a color blind woman marries a man with normal vision, what would you expect in their children? Show a cross I put that X- x- Xx x-
*February 19, 2015*

**Business Math**

I believe that answer is incorrect. it would likely be $546.67?
*February 12, 2015*

**Math**

Adam wants to compare the fractions 2/5, 1/6 and 1/3. He wants to order them from least to greatest and rewrite them so they all have th same denominator. Explain how Adam can rewrite the fractions.
*February 9, 2015*

**MATH **

The length of Super Bowl commercials is said to be Normally distributed with a mean of 36 seconds and standard deviation of 8 seconds. a. Find the probability that a randomly selected Super Bowl commercial is shorter than 45 seconds? (2 points) b. Find the probability that a ...
*February 2, 2015*

**physics**

a rock is thrown vertically upward from ground level at t=0. At t= 1.5s, it passes the top of a tall tower and 1.0 s later, it reached its maximum height. what is the height of the tower?
*February 2, 2015*

**Math**

Also, I don't think they are parallel because if it's parallel then it would be equal and the angles *124 and 118* are not equal.
*January 27, 2015*

**Math**

Sorry I was trying to explain the picture. They are consecutive interior angles
*January 27, 2015*

**Math **

1. is line "L" parallel to line "M"? *picture of a transversal.. lines L and M don't touch and one line crosses through line L and M to create a transversal. angles 124 and 118 are on the bottom left side of the transversal* I tried my best to explain ...
*January 27, 2015*

**Math**

Okay. So, I would've chosen the right answer if I understand the question. Thanks Ms. Sue!
*January 27, 2015*

**Math**

find the sum of the interior angles of a nonagon. I know a nonagon has 9 sides.. A. 140 degrees B. 1,620 degrees C. 1,260 degrees D. 1,450 degrees If the question is asking for each interior angle then I think the answers A but if it's asking for the sum of ALL the ...
*January 27, 2015*

**S.S**

Ms. Sue, is it C?
*January 23, 2015*

**S.S**

Whose mill launched the factory system? A. James Monroe B. Eli Whitney C. Samuell Slater D. Francis Cabot Lowell I think it's D.. am I right?
*January 23, 2015*

**science**

explain an animal cell in your own words and two things each part does
*January 18, 2015*

**Health**

Oh okay.. that's what I thought at first. I can answer the question now. Thank you
*January 11, 2015*

**Health**

When it says "within your control" is that saying not in my control ?
*January 11, 2015*

**Health**

Two key components to keeping your heart healthy that are within your control are exercise and.. A. diet B. Rest C. heredity D. enviroment I think it's B.. am I right?
*January 11, 2015*

**language arts**

Oh Oh Oh is it C then?
*January 6, 2015*

**language arts**

read the following lines of dialogue from a coversation johnny has with mrs. bessie, the lytes servant. "what happened to that Cousin Sewall?" "Gone to Worcester. Joined up with the Minute Men." "But hes too fat and.." "Soft? No. From now on ...
*January 6, 2015*

**math **

how do I rearrange the equation a=d/t if I want to find d?
*December 1, 2014*

**math**

a cyclist is travelling with an average velocity of 5.9m/s [w]. what will be his displacement in 1.5 h? please show steps to answer-I tried but couldn't find the answer :(
*December 1, 2014*

**Physics**

bob drop a rock from a height of 4.5 m. (the acceleration due to gravity is 9.8 m/s^2) 1.at s the initial speed of the rock 2. how long is the rock falling before it hits the ground c. what is the final speed of the rock? [I have trouble with c) My work: a) v1 =0m/s b) v1t +1/...
*December 1, 2014*

**Biology**

Compare and contrast the traits and growth patterns of opportunistic versus equilibrium populations.
*October 17, 2014*

**Biology**

Explain how human activities can cause an imbalance in biogeochemical cycling and lead to problems such as cultural eutrophication and fish kills.
*October 17, 2014*

**chemistry**

100 mL of a 0.1 mM buffer solution made from acetic acid and sodium acetate with pH 5.0 is diluted to 1 L. What is the pH of the diluted solution?
*October 10, 2014*

**physics**

A car is traveling at 100 km/h, due northwest. The driver puts on the brakes and turns the corner. Four seconds later, he is heading east at 50 km/h. What is the average acceleration
*October 2, 2014*

**Physics**

I figured the answer out, but for future reference for others: F = reaction of the ground F = mg + ma V² = 2ax (x = 0.50m) a = V²/2x = 2gh/2x = gh/x F = mg + mgh/x F = W + Wh/x F = W(1+h/x) here F = (1 + 0.64/0.50)W F = 2.3W
*October 1, 2014*

**Physics**

A person reaches a maximum height of 65cm when jumping straight up from a crouched position. During the jump itself, the person's body from the knees up rises a distance of around 50cm . To keep the calculations simple and yet get a reasonable result, assume that the ...
*October 1, 2014*

**math.help pls**

THE LIMIT DOES NOT EXIST!! (MEAN GIRLS REFERENCE) LOL. NOT THE ANSWER THO!!
*September 28, 2014*

**math**

sry sry sry!!!
*September 24, 2014*

**math**

Nevrmnd sry!
*September 24, 2014*

**HELP IN SCIENCE ASAP!!**

The desert tortoise digs a burrow and hides in it during the day to stay cool, because of the extreme heat above ground. Which characteristic of life does this behavior best illustrate? A- response B- metabolism C- cellular organization D- growth and development (my guess is A...
*September 19, 2014*

**HELP IN SCIENCE ASAP!!**

PLEASE HELP!!
*September 19, 2014*

**math**

Which variable expression represents the word phrase? six decreased by the sum of a number and two. A- (m + 2) - 6 B- 6 - (m - 2) C- (m - 2) + 6 D- 6 - (m + 2)
*September 17, 2014*

**math**

A and C?
*September 17, 2014*

**math**

Which word phrase can be modeled by the expression? Choose all that apply. 8 - 3n A- eight decreased by the product 3 and a number B- the difference of 8 and the quotient of 3 and a number C- the difference of eight and the product of 3 and a number D- eight less than 3 times ...
*September 17, 2014*

**Math**

A pizza box with a square base is to be made from a rectangular sheet of cardboard by cutting six 1-inch squares from the corners and the middle sections and folding up the sides (see the figure). If the area of the base is to be 144 in^2, what size piece of cardboard should ...
*September 15, 2014*

**computer science**

Thank you!
*September 15, 2014*

**COMPUTER SCIENCE**

Which of the following is a type of software program used to write code and develop other programs. A: a command line interpreter B: the turtle graphics window C: an operating system D: an integrated development environment Please help asap!
*September 14, 2014*

**geometry**

ok thank you! and its fine, i got the answer! :)
*September 13, 2014*

**geometry**

Question 4.4. Which is true about a rotation? (Points : 1) The image and preimage are congruent. The image overlaps the preimage. The image is larger than the preimage. The image is smaller than the preimage. Question 5.5. Trapezoid PQRS was rotated 60° around a point. ...
*September 13, 2014*

**math**

Thank you very much! :)
*September 13, 2014*

**math**

Question 1.1. For each of the following questions, choose the correct answer. What is another word for rotation? (Points : 1) flip turn slide fall Question 2.2. What's another word for a translation? (Points : 1) flip turn slide fall Question 3.3. Maria slides a triangle ...
*September 13, 2014*

**geometry**

Question 1.1. For each of the following questions, choose the correct answer. What is another word for rotation? (Points : 1) flip turn slide fall Question 2.2. What's another word for a translation? (Points : 1) flip turn slide fall Question 3.3. Maria slides a triangle ...
*September 13, 2014*

**nutrition**

umm 600? that is if you write the equation 30% of 2000
*September 12, 2014*

**English 1**

My guess is A, but I'm not completely sure.
*September 12, 2014*

**English 1**

A common theme for each of these selections is? (A Cub Pilot, Barrio Boy, No Gumption, and I Know Why The Caged Bird Sings) a- to become mature, people must learn important lessons from experience b- to govern well, people in authority must treat young people fairly. c- to ...
*September 12, 2014*

**physics**

You have an spring gun. The end of the gun is at 1 meter above the ground. This gun is shoot horizontally with no air resistance. The cannon ball hits the ground 1.32 meters ahead from it was shoot. What is the cannon ball's initial velocity?
*June 14, 2014*

**chem 11**

Calculate the molar concentration of a solution made by dissolving 20.0g of sodium hydroxide to make 300ml of solution.
*May 26, 2014*

**math**

If a number increases from 2,000 to 2,610 what is the rate of increase?
*May 26, 2014*

**Science**

Thanks a lot i got all the answers correct
*May 19, 2014*

**english**

steryotype
*May 5, 2014*

**Engineering Physics**

which of the following is equal to the angular acceleration of a disk? a)first time derivative of angular position b) second time derivative of angular position
*April 28, 2014*

**math**

So the number of fails is 4.777? How id you get .5?
*March 21, 2014*

**math**

The life of automobile voltage regulators has an exponential distribution with a mean life of six years. You purchase an automobile that is six years old, with a working voltage regulator and plan to own it for three years. a)What is the probability that the voltage regulator ...
*March 21, 2014*

**math**

Area= pi*r^2 2r=d 2r=26 r=13 area=pi*(13)^2=pi*169
*March 21, 2014*

**math**

A)(9/8)/(2/3) can be written as (9/8)*(3/2), by reversing the denominator you can multiply instead of dividing, much easier. so(9*3)/(8*2)=27/16 B)take 1 and 2/3 and make it into a whole fraction. so 3/3+2/3=5/3 Do the same for 2 and 2/3 = 6/3+2/3=8/3 Then (27/16)/(8/3)=(27/16...
*March 21, 2014*

**algebra**

4, because you can't have a zero in the denominator, but you can have one in the numerator that will make the whole equation zero.
*March 21, 2014*

**mat116 algebra**

I'm assuming you solve for x? so 1-5x-4>-3 -5x-3>-3 -5x>0 x<0
*March 21, 2014*