Friday

October 9, 2015
Total # Posts: 792

**Physics**

A 0.3 kg tennis ball is travelling west with a speed of 4 m/s and bounces off a wall. After bouncing, the ball is travelling east at 2 m/s. The tennis ball was in contact with the wall for 0.004 seconds. a) What is the initial and final momentum of the ball? b) What is the ...
*October 6, 2015*

**Physics**

A 0.3 kg tennis ball is travelling west with a speed of 4 m/s and bounces off a wall. After bouncing, the ball is travelling east at 2 m/s. The tennis ball was in contact with the wall for 0.004 seconds. a) What is the initial and final momentum of the ball? b) What is the ...
*October 6, 2015*

**grammar**

Identify the sentence parts by placing the red abbreviations in their correct locations. Put parentheses around the prepositional phrases. Identify the subject, verb, and any complements (direct object, indirect object, subject complement, objective complement).
*September 23, 2015*

**Math**

There are 6 buses transporting students to a baseball game with 32 students On each buss. each row at thebaseball stadium seats eight students if the students fill up all the Rows of seats will the students need altogether.
*September 15, 2015*

**Uma academy math**

Rectangle with length =11cm and width =4cm when both dimensions are trippled
*September 1, 2015*

**physics**

woops nvm, I was looking at another problem.
*August 15, 2015*

**physics**

THIS IS A CORRECTION FOR PART C, WHEN YOU ARE SUPPOSED TO CONVERT SECONDS TO METERS!!! THE REST IS CORRECT THOUGH. c. 12.8 m/s * 3.2s = 40.96 (NOT 48.5)
*August 15, 2015*

**English**

How do you diagram the sentence, "I will do my homework later tonight."
*August 15, 2015*

**Algebra1**

A parabola is defined as f(x)=a(x–8)2+9, where a is a positive real number. As a increases, What happens to the x-coordinate of the parabola’s vertex?
*July 20, 2015*

**algebra 1**

Let x^2-y^2=20 and x-y=2. What is the value of x+y?
*July 20, 2015*

**Accounting**

Assume that Esquire consulting erroneously recorded the payment of $30,000 of dividends as salary expense. How would this error affect the equality of the accounting equation? How would this error affect the income statement, retained earnings statement balance sheet and ...
*July 17, 2015*

**algebra**

Find the point of equilibrium for a system that has a demand equation of p= 49.0,000 3x and a supply equation of p= 33+0.00002x
*June 20, 2015*

**algebra**

A total of $80,000 is invested in two funds paying 2.3% and 3.1% simple interest . The total annual interest is $2000. How much is invested in each fund?
*June 20, 2015*

**Algebra**

standard
*June 16, 2015*

**math**

you can rent a car for the day from company A for $26 plus $0.12 a mile company B charges $24.00 plus $ 0.19 a mile. Find the number of miles m (to the nearest mile) per day for which it is cheaper to rent from company A
*June 5, 2015*

**Math **

An item that sells for $145.99 has a sales tax of 10.22 Find a mathematical model that gives the amount of sales tax y in terms of the retail price x Use the model to find the sales tax on a purchase that has a retail price x
*May 30, 2015*

**Physics**

An object is placed 20.0 cm to the left of a convex lens with a focal length of +8.0 cm. Where is the image of the object? A)28 cm to the right of the lens B)13 cm to the left of the lens C)13 cm to the right of the lens I think its A but I'm not sure
*May 21, 2015*

**math**

City wide delivery service uses vans costing $24800 each. How much will the company have to invest today to accumulate enough money to buy six new vans at the end of 4 years? City wides bank is currently paying 12% interest compounded quarterly
*May 6, 2015*

**math**

In the North Carolina Education Lottery "Pick Three Game" there are 75 balls in the machine. Your lucky numbers are 7, 14, and 21. The numbers must be drawn in that order. What's the probability that you'll win the $500.00 prize?
*April 22, 2015*

**math**

In a pack of 52 cards, 4 of the cards are Kings. The first card is picked, the results are recorded and the card is returned to the deck. Then the second card is picked. Find the probability of picking two kings. Be sure to represent your answer as a fraction in simplest form.
*April 22, 2015*

**math**

A bag of marbles contains 8 red marbles and 6 yellow marbles. Two marbles are drawn out of the bag at random without replacement. What is the probability that two red marbles are drawn out? Be sure to represent your answer as a fraction in simplest form.
*April 22, 2015*

**math**

A bag of marbles contains 8 red marbles and 6 yellow marbles. Two marbles are drawn out of the bag at random without replacement. What is the probability that first a red marble then a yellow marble are drawn? Represent your answer as a fraction in simplest form.
*April 22, 2015*

**math**

Gary produces 52 more than 4times what Harold can produce in one day . If Gary's total production for the day is 202 how much does Harold produce in one day.
*April 21, 2015*

**math**

If interest on a $4,500 loan is $ 720 What would be the interest on a loan $5,800
*April 21, 2015*

**science-chemistry**

if 1g of carbon dioxide is bubbled into 100g of a calcium hydroxide solution in a flask. what is the total mass of substance in the flask after the reaction is complete?
*April 18, 2015*

**science**

if 1g of carbon dioxide is bubbled into 100g of a calcium hydroxide solution in a flask. what is the total mass of substance in the flask after the reaction is complete?
*April 18, 2015*

**maths**

Write 5x-3 in positive index
*April 18, 2015*

**English **

I need help answering some To Kill A Mockingbird questions 1.When Scout is talking about the Ewells' living conditions what is her tone? Is it sympathetic or disparaging or objective? I think it's sympathetic 2. When the story is talking about Mayella 's red ...
*March 31, 2015*

**Algebra 2**

Can you please help me solve these problems? Thank You 1.x^2-y^2=25 x^2+y^2+7=0 2. x^2+y^2=8 5y^2=3x^2 3. 3x^2-2y^2=24 2y=-3x
*March 30, 2015*

**English **

What does this mean "beyond hope of help from any source" when describing the Ewells in To Kill A Mockingbird? It's not a quote from the book.
*March 29, 2015*

**Algebra 2**

Compare the graphs of the inverse variations by comparing asymptotes, similar points, lines of reflections, and quadrants. y=-0.7/x and y=-0.9/x
*March 22, 2015*

**history Ms.sue**

okay thanks
*March 19, 2015*

**history Ms.sue**

did George W. bush have kids? help it's a bio for my teacher
*March 19, 2015*

**History**

Ummm... yes and u would just bio of Someone.. -jasmine-
*March 19, 2015*

**math **

A football team gained 4 in one play. In the next play, the team lost 4 yards. What is the team's net yard gain.
*March 16, 2015*

**English-Please Help**

Yep they are all right but 10***
*March 13, 2015*

**Math**

It took Michael 15 minutes to walk from his house to his friends house would you measure the distance he walked in linear or square units ?
*March 12, 2015*

**MATH miss.sue**

kay thanks
*March 11, 2015*

**MATH miss.sue**

okay 4 friends had 19 Pieces of candy and how many pieces of candy will each friend get? HELP PLZ
*March 11, 2015*

**health**

In what way does your body's need for nutrients change when you are training for sports or competition?
*March 11, 2015*

**Math **

The bottom end of a 14 foot loading ramp is 10.7 feet away from the entrance to the building. Find the angle the ramp makes with the ground.
*March 8, 2015*

**Math**

If a ten foot tower casts a thirteen foot shadow on the ground, what is the angle of elevation of the sun?
*March 8, 2015*

**MatLab**

In Matlab Write a function file that determines the following sum (for all odd n from 1 to 11): y=Ó 2^n/n
*March 2, 2015*

**MATH AGAIN~Ms. Sue**

yes Leila ms sue is real i think
*February 24, 2015*

**Physics**

In a hydroelectric installation, a turbine delivers 1500 hp to a generator, which in turn transfers 80.0% of the mechanical energy out by electrical transmission. Under these conditions, what current does the generator deliver at a terminal potential difference of 1910 V?
*February 16, 2015*

**Physics**

A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.2 V when it is delivering 26.0 W of power to an external load resistor R. (a) What is the value of R? (b) What is the internal resistance of the battery?
*February 16, 2015*

**calculus**

Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find the angle their resultant force makes with the force of 14 lb.
*February 13, 2015*

**business calc**

52,000 for a loan and a monthly payment of 450.23 for 30 years ?
*February 3, 2015*

**algebra 2**

im confused
*January 30, 2015*

**algebra 2**

f(x)=3x-7 and g(X)=-2x-6. Find (f o g)(4)
*January 30, 2015*

**Algebra 2**

f(x)-g(x)= -2x+4-(-6x-7) 12x+14+24x-28 -12x+14 is this the right answer?
*January 30, 2015*

**Algebra 2**

let f(x)=-2x+4 and g(x)=-6x-7 find f(x)-g(x) please help me with the steps? I'm so confused..
*January 30, 2015*

**Algebra 2**

what is the inverse of the given relation? y=3x+12 help explain the steps??
*January 29, 2015*

**Algebra**

let f(x)=-2x+4 and g(x)=-6x-7 find f(x)-g(x) Can someone walk me through this problem? I still haven't gotten the hang of it.
*January 28, 2015*

**math**

Kaitlin has four and two-thirds berry pies. She is going to share it equally among 12 people. How much pies will each person get?
*January 22, 2015*

**math models**

Help on why did the ghost decide to haunt the city hall
*January 13, 2015*

**math**

Evan buys 2 CDs. $1.49 is added to the total price which is the 5% sales tax. What is the cost for each of the CDs?
*January 2, 2015*

**science **

NaOH + HSO -+ Which of the following is the number of moles of NaOH required to neutralize 1 mole of H2SO4 in the equation above?
*December 18, 2014*

**Math**

Explain how you would find 2 x 2 1/3 using the distributive property.
*December 16, 2014*

**Math**

Why are the estimates of 6/10 x 18 shown below different? Is one estimate better than the other?
*December 15, 2014*

** Math**

Estimate each product of 4 5/8 x 1/3=
*December 15, 2014*

**math**

April is training for a marathon by running no less than 55 km per week. She runs at an average rate of 10 km per hour. What is the minimum number of hours, h, she should run? 10h ≥ 55; h ≥ 5.5; 5.5 hours 10h ≤ 55; h ≤ 5.5; 5.5 hours h over ten > 55...
*December 13, 2014*

**math**

The length of a piece of paper is 8.5 inches. Using scissors, you reduce the length of the paper to 4.25. What is the scale factor of the dilation? A- 1/4 B- 1/2 C- 2 D- 4 I think its A ?
*December 11, 2014*

**Algebra 2**

A simple random sample of 50 adults was surveyed, and it was found that the mean amount of time that they spend surfing the Internet per day is 54.2 minutes, with a standard deviation of 14.0 minutes. What is the 99% confidence interval for the number of minutes that an adult ...
*December 9, 2014*

**Algebra 2**

A textbook company states that the average time a student needs to take a quiz from its book is 30 minutes with a standard deviation of 3 minutes. A teacher using the book is not sure that this is correct for her classes and wants to check. She collects data on 10 random ...
*December 9, 2014*

**Algebra 2**

A simple random sample of 90 is drawn from a normally distributed population, and the mean is found to be 138, with a standard deviation of 34. What is the 90% confidence interval for the population mean? Use the table below to help you answer the question. Confidence Level 90...
*December 9, 2014*

**Algebra 2**

A study investigated the job satisfaction of teachers allowed to choose supplementary curriculum for their classes versus teachers who were assigned all curricular resources for use in their classes. On average, when surveyed regarding job satisfaction, teachers give a score ...
*December 9, 2014*

**Algebra 2**

A study investigated the job satisfaction of teachers allowed to choose supplementary curriculum for their classes versus teachers who were assigned all curricular resources for use in their classes. The authors of the study wanted to know if the two groups of teachers had ...
*December 9, 2014*

**Algebra 2**

A study investigated the job satisfaction of teachers allowed to choose supplementary curriculum for their classes versus teachers who were assigned all curricular resources for use in their classes. The authors of the study wanted to know if the two groups of teachers had ...
*December 9, 2014*

**Finance**

A manufacturing company is thinking of launching a new product. The company expects to sell $950,000 of the new product in the first year and $1,500,000 each year thereafter. Direct costs including labor and materials will be 45% of sales. Indirect incremental costs are ...
*December 3, 2014*

**Math**

In triangle ABC, the measure of C is twice the measure of A, and the measure of B is 6 times the measure of A. Find the measure of each angle
*November 27, 2014*

**English**

Yes I did the site was very helpful. We are going thru our print out now..thank You
*November 18, 2014*

**English**

Sorry Writeacher we are having a study group and we are all using same pc. I will tell all we can use same name...thank You
*November 18, 2014*

**English**

The physician discussed problems faced by everyone, and the response was positive. This is a compound sentence I would think no comma is necessary.
*November 18, 2014*

**math **

14. Simplify the expression. -5+i/2i
*November 18, 2014*

**math **

15. What is the solution of the linear-quadratic system of equations? y=x^2+5x-3 y-x=2
*November 18, 2014*

**algebra 2**

The expression 3x² represents
*November 17, 2014*

**history**

thx for the help...
*November 12, 2014*

**history**

1. Which group believed a strong national government was critical to the country? federalists anti-federalists
*November 12, 2014*

**English**

Think about all the selections you've read this far by European writers. Examine one element that the selections have in common, not including the fact that they are all European. Detail your findings.
*November 3, 2014*

**Principles of Accounting**

Santa Fe Company purchased merchandise for resale from Mesa Company with an invoice price of $24,000 and credit terms of 3/10, n/60. Prepare entries that the buyer should record for the purchase
*October 22, 2014*

**phi**

“If you are born in the U.S. then you are a U.S. citizen. You were not born in the U.S. so you are not a U.S. citizen.” (Points : 1) Slippery Slope Denying the antecedent Post Hoc False Dichotomy No Fallacy
*October 20, 2014*

**Math**

I agree because it has the same answer
*October 13, 2014*

**english**

because keeshwas of 13 only bcz of he has seen 13 suns before his fathers death
*October 11, 2014*

**Physics**

A swordfish swims at 2.46km/h.How far has the fish traveled after 2050s?
*October 8, 2014*

**math**

mrs.mcdermott is giving 6 students 3 piecies of candy.how many piecies did she give to all students?
*October 6, 2014*

**Philosphy**

DuBois claims that this occurs when the stronger members in society do not protect the weaker members:
*September 30, 2014*

**algebra**

can you help me with the Lesson 9: Operations and Applications of Scientific Notation Connections Education 1205070 M/J PRE-ALG - T1 Unit 2: Rational Numbers test.What is the product of (5.1*10^3)*(3.2*10^3)? (please express your answer in scientific notation.)
*September 25, 2014*

** Adverb Phrases**

Which words make up the adverb phrase in the sentence? Which word does the adverb phrase modify? After sunset, the pack of coyotes howled loudly. A. After sunset; modifies howled B. the pack of; modifies coyotes C. howled loudly; modifies coyotes D. coyotes howled; modifies pack
*September 19, 2014*

**algebra**

graph shows the equation c = 10+ 3t, where c is the total cost of going to the carnival and t is the number of $3 tickets purchased?
*September 16, 2014*

**chem**

which nuclides would you expect to be stable? a) 48K b)79Br c)Argon-32
*September 15, 2014*

**physics**

A square conducting slab with 7 m sides carries a net charge of 89 mu or micro CC. what is the electric field?
*September 14, 2014*

**statistics**

Let E and F be two events for which the probability of atleast one of them occurs is 3/4. what is the probability that neither E nor F will occur.
*September 11, 2014*

**chem**

the volume of a certain bacterial cell is 1.39um^3. what is its volume in mm^3? what is the volume of exactly 1e4 cells in liters
*September 8, 2014*

**C programming**

I changed some things and now it is atleast coming out with a calculation but it is the wrong answer
*September 7, 2014*

**C programming**

#include <stdio.h> #include <math.h> int main (void) { //Local Declarations float angleX; // Angle inputed by the user float coshx; // hyperbolic cosine of angle x //Statements printf ("\nEnter angle in degrees:"); scanf ("%f", &angleX); //...
*September 7, 2014*

**C programming**

I am suppose to create a code that uses the pow function in math.h to calculate the hyperbolic cosine when the user inputs an angle x. the equation I have to use is cosh x= e^x + e^-x /2 can someone check my code. I am not sure what i am doing wrong. do I have to declare the ...
*September 7, 2014*

**Algebra**

thank you
*September 2, 2014*

**Algebra**

James has to buy juice for his class party. There are several brands of juice at the store, and each container is a different size and price. Write a formula that will help James find the price per milliliter for each brand. Let x= price of juice, y= number of milliliters in ...
*September 2, 2014*

**Algebra 1**

Victor needs to calculate the number of miles per gallon his car averages. His car's gas tanks holds 15 gallons of gas. Write an equation that will help him determine the average number of miles per gallon. Let's let x= number of miles traveled, and y= average miles ...
*September 2, 2014*