Sunday

January 25, 2015

January 25, 2015

Total # Posts: 117

**physics**

Two girls pull a 15 kg sled, each with her own rope. They pull horizontally at an angle of 30 degrees from each other with identical forces of 25 N each. The coefficient of friction between the snow and the sled is 0.1. The acceleration of gravity is 9.8 m/s2 . What is the ...
*January 23, 2015*

**Science**

If a certain spring stretches 9.76811 cm when a load of 17.9936 N is suspended from it, how much will the spring stretch if it is cut in half and 65.8458 N is suspended from it? Answer in units of cm.
*January 12, 2015*

**Physics**

Shove it up your rectum
*January 12, 2015*

**Math**

During the soccer season, richard attempted 80 goals and made about 65% of them. a. How many goals did Richard make? b. The team made a total of 327 goals. What percent of the team's made goals did Richard make?
*December 18, 2014*

**Chemistry**

To a mixture of NaCl and Na2CO3 with a mass of 1.300 g was added 55.00 mL of 0.243 M HCl (an excess of HCl). The mixture was warmed to expel all of the CO2 and then the unreacted HCl was titrated with 0.100 M NaOH. The titration required 7.40 mL of the NaOH solution. What was ...
*December 1, 2014*

**Math**

6 hundred 2 tens = 5 hundreds ? Tens
*October 13, 2014*

**Math**

Add: N ow hè Has $12.
*September 21, 2014*

**Math**

Mike had Some money in his wallet. Hè went to the mall and spent $8 On a game, $14 On a gift for his Dad, and $7 On lunch. Then his mom gave him $10. Hè bought a book. How much idd Mike originally have in his wallet?
*September 21, 2014*

**health pllz help me i have trouble**

My answers 1.D 2.D 3.D 4.A 5.C 6.A 7.A 8.D 9.C Are my answers correct plz help
*May 9, 2014*

**health pllz help me i have trouble **

1. Haley is excited about a new activity she learned about while surfing the Internet called orienteering. Which community group would most likely be able to give her a good start in this activity? (1 point)church youth group dance team drama club Girl Scouts 2. Select the ...
*May 9, 2014*

**language art pllz help**

i forgot to post my answers My answeres 1. A 2. B 3. C 4 B 5. B Are my answers correct??
*April 30, 2014*

**language art pllz help**

1. Which of the following would most likely connect with the speaker of "Growing Pains"? (1 point)a teen whose parents are going through a difficult divorce a teen who has let down one of her best friends a teen whose mother is often too busy to spend time with him ...
*April 30, 2014*

**Language arts plz help**

1. The poet uses all of the following in "Annabel Lee" except (1 point)alliteration. simile. repetition. rhyme. 2. Which of the following best shows that the speaker is still deeply in love with Annabel Lee? (1 point)The speaker explains that he and Annabel Lee were...
*April 29, 2014*

**math**

When you round 94,872 to the nearest ten thousand = 90,000, then round to the nearest thousand = 95,000. What do you notice about your answers ? Explain
*March 17, 2014*

**history**

The Americas didn't provide Europeans with added
*March 5, 2014*

**sceince**

Which of these does the welding tool release ? 1) heat and electrical energy 2) heat and light . I think it's heat and light is this correct .
*February 12, 2014*

**Physics**

Which produces the largest torque? 30.0 N perpendicular to the center of rotation at a radius of 1.5 m 30.0 N perpendicular to the center of rotation at a radius of 0.25 m 60.0 N perpendicular to the center of rotation at a radius of 1.0 m 60.0 N perpendicular to the center of...
*January 15, 2014*

**language **

Is it , The leaves were shaken from the branches .
*December 6, 2013*

**language**

Is this the correct past-tense helping verb and main verb for the rewrite of this sentence ? The leaves were shook from the branches . The leaves was shaken from the branches .
*December 6, 2013*

**language**

Is this punctuation correct for this sentence ? " Here's a hard one , " taunted Wilma .
*December 6, 2013*

**math**

I need to write and explain how I know that 55/80 is not in the simplest form.
*December 2, 2013*

**Algebra**

How do you write an algebraic expression for five friends went to a baseball game. Three of the friends each bought a ticket for x dollars and a soda for $6.00. The other two friends each bought only tickets. Write and simplify an expression that represents the amount of money...
*October 29, 2013*

**math**

How many tens are there in 7,801,204.76? Is it 7 ?
*September 10, 2013*

**math**

what value does the 6 represent in 7,801,204.76 ? Is it hundredth ?
*September 10, 2013*

**Social Studies**

How would land elevation have changed if Coronado had traveled 150 miles due west from what is today Arizona instead of east toward New Mexico ?
*September 10, 2013*

**Chemistry**

how many joules and calories are produced from the reaction CaCl2+H2O=HCl+CaOH
*April 23, 2013*

**english**

finding subject There were many new inventions in the 1920s.
*April 10, 2013*

**math**

it says to find a fraction of these whole numbers 1/2 of 10 has to be a fraction
*December 13, 2012*

**math**

Find the fraction of these whole numbers 1/2of 10
*December 13, 2012*

**science**

in pea plants yellow peas are dominant over green peas. a particular pea plant has one recessive allele for green peas. in which of the following scenarios would the plant have green peas?
*December 13, 2012*

**biology**

genetic engineering can provide a variety of advantages and disadvantages to today's society. what are current scientists more likely to learn from transgenic animals than from transgenic bacteria or transgenic plants?
*December 13, 2012*

**reading**

COULD IT BE THAT HE'S WANTS TO MAKE THE STORY MORE INTERESTING TO HOLD CHITA INTEREST?
*December 12, 2012*

**reading**

Papa Tells Chita a Story Papa said, "I kept riding,riding,riding...and the sun got hotter,hotter,hotter."Why do you think Papa repeated the words in that sentence?
*December 12, 2012*

**physics **

Suppose a car is traveling at +23.8 m/s, and the driver sees a traffic light turn red. After 0.351 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 7.00 m/s2. What is the stopping distance of the car, as measured from the point where...
*September 6, 2012*

**algebra**

I am a multiple of 2 but not 3. I am the largest two digit number that fits the first clue.what am i?
*August 8, 2012*

**math**

Saving increase. The amount in a saving account increased from $400 to $425. What was the percent increase?
*May 20, 2012*

**math**

garys cat weighs 11 lb.How many ounces is that?
*May 13, 2012*

**math**

What is the first step in solving the equation x/5 - 9=6?
*May 9, 2012*

**math**

The numbers 1, 7, 21, 35, 35, 21, 7, 1 form a row of pascal's Triangle. Which power of (a+b) does the row go with? Write the next row?
*May 7, 2012*

**Chemistry!**

Before investigating the scene, the technician must dilute the luminol solution to a concentration of 6.00×10−2 M. The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the ...
*March 28, 2012*

**Chemistry 1201**

6.5 grams sorry.
*March 28, 2012*

**Physics**

The boiling point of helium at 1 atm is 4.2 K. What is the volume occupied by helium gas due to evaporation of 70 g of liquid helium at 1 atm pressure and a temperature of 6.2 K?
*February 24, 2012*

**physics**

A 3.47 kg ball is attached to a ceiling by a 1.63 m long string. The height of the room is 5.59 m. What is the gravitational potential energy of the ball relative to the ceiling?
*February 18, 2012*

**Math**

Ms. Perez has a crate has 24 pieces of fruit . 1/2 are oranges, 1/4 are mango's and 2/8 are pineapples. How many oranges are there, how many mango's and how many pineapples?
*January 30, 2012*

**calculus**

Find the integral of x^3 + [(x^4)(tanx)] from -pi/4 to pi/4
*December 1, 2011*

**calculus**

Find the integral of x^3 + [(x^4)(tanx)] from -pi/4 to pi/4
*November 30, 2011*

**calculus**

Find the integral of x^3 + [(x^4)(tanx)] from -pi/4 to pi/4
*November 30, 2011*

**programming**

Problem 6.9 Lottery Number Generator A lottery commission offers four different lottery games to play: Three-number, Four-number, Five-number and Five-number + 1 lotteries. Each game has independent numbers. Develop an application that randomly picks numbers for all four games...
*November 23, 2011*

**Accounting**

If you treat the day of the month as a number (March 12th is the number 12, April 4th is the number 4), what is the average value of the numbers that represent the 6 Tuesdays that fall after September 12, 2011?
*November 16, 2011*

**chemistry**

0.22M
*October 24, 2011*

**English**

"I am both a quick worker and careful." do i need to change this sentence to make it parallel?
*August 24, 2011*

**Genetics**

Thank you!
*August 21, 2011*

**Genetics**

How is it that someone with brown eyes could have parents, both with blue eyes? Aren't blue eyes recessive?
*August 21, 2011*

**english**

Pretend that you writing to the editor of your local newspaper. Your purpose is to convince its readers that rather than solely relying on e-mail, people should mail a letter to their loved ones every now and then. Following is your first draft. Every now and then, instead of ...
*July 22, 2011*

**english**

Pretend that you writing to the editor of your local newspaper. Your purpose is to convince its readers that rather than solely relying on e-mail, people should mail a letter to their loved ones every now and then. Following is your first draft. Every now and then, instead of ...
*July 22, 2011*

**Operations Management **

Setup Times Read the case study below “Hi-Ho Yo-Yo, Inc.”. Write a short summary of each of the four methods for selecting the order in which to release the products to printing. Complete a short analysis for each method which provides the average flow time and ...
*July 18, 2011*

**calculus**

find the tangent to y=27/(x^2+2) at (1,9)
*June 16, 2011*

**algebra**

What is the answer to (6.9); x + 6y = 5
*February 2, 2011*

**Chemistry **

Select everything on the list below that is composed of atoms. a. water b. can of soda pop c. computer you are using d. your textbook e. an orange f. bottle of drain cleaner g. flask of hydrochloric acid would the answer be all of the above?
*February 2, 2011*

**Math**

8*-6 cube- -100/-20
*January 4, 2011*

**physics**

A block of mass 3.90 kg is pushed 3.80 m along a frictionless horizontal table by a constant 16.0 N force directed 24.0° below the horizontal. What is th total work done on the block?
*October 25, 2010*

**physics**

An airplane has a mass of 33500 kg and takes off under the influence of a constant net force of 41500 N. What is the net force that acts on the plane's 82 kg pilot?
*October 3, 2010*

**physics**

An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.3 m/s2. The magnitude of the car's velocity at the end of stage...
*September 7, 2010*

**11th grade**

An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.3 m/s2. The magnitude of the car's velocity at the end of stage...
*September 7, 2010*

**physic you sure**

in the distance you see an arch 192 meters high, you estimate your line of sight with the top of the arch to be 8.4 degree. appox how far in kilometers are you from the base of the arch? tan8.4-0.192/d? is this the complete answer?
*August 22, 2010*

**physics**

in the distance you see an arch 192 meters high, you estimate your line of sight with the top of the arch to be 8.4 degree. appox how far in kilometers are you from the base of the arch?
*August 22, 2010*

**11th grade**

in the distance you see an arch 192m. you estimate your line of sight with the top of the arch to be 8.4 degrees above the horizontal. appox how far in kilometers are you from the base of the arch?
*August 22, 2010*

**consumer math**

Jan borrowed $1,200 at 11.5% interest for three months. How much does she have to repay under a single-payment plan?
*June 30, 2010*

**Vector**

Determine the caresian equaiton of a plane that pass through point P(1,2,2) and is perpendicular to the line (x,y,z)= 3,-1,-4 + t(-2,3,1)
*May 30, 2010*

**calculus**

What is the definite integral from 0 to x of 1/(4 + t + 3t^2) dt? For starters, what is the anti-derivative and how did you find it? I think I could take it from there.
*April 14, 2010*

**Physics**

Ok. I finally got a new answer of 0.12 meters, which the computer liked better.
*March 12, 2010*

**Physics**

In a laboratory experiment, one end of a horizontal string is tied to a support while the other end passes over a frictionless pulley and is tied to a 1.3 kg sphere. Students determine the frequencies of standing waves on the horizontal segment of the string, then they raise a...
*March 12, 2010*

**calculus**

A trough is 15 ft long and its ends have the shape of isosceles triangles that are 4 ft across at the top and have a height of 1 ft. If the trough is being filled with water at a rate of 14 ft^3/min, how fast is the water level rising when the water is 8 inches deep? Does 1.4 ...
*February 13, 2010*

**calculus**

A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m higher than the bow of the boat. If the rope is pulled in at a rate of 1 m/s, how fast is the boat approaching the dock when it is 9 m from the dock? I ...
*February 12, 2010*

**geo**

Beijing (wikipedia / Beijing)
*February 12, 2010*

**Calculus**

Let f and g be the functions in the table below. x f(x) g(x) f '(x) g'(x) 1 3 2 4 6 2 1 3 5 7 3 2 1 7 9 (a) If F(x) = f(f(x)), find F '(2). (b) If G(x) = g(g(x)), find G '(1). I know I probably have to use the chain rule. But how?
*February 5, 2010*

**calculus**

Differentiate the following function. f (x) = 6 x 2 sin(x)tan(x) Where do I begin?
*February 3, 2010*

**calculus**

Aha! Thank you.
*February 1, 2010*

**calculus**

Find a parabola of the form given below that has slope m1 at x1, slope m2 at x2, and passes through the point P. y=ax^2 + bx + c m1 = 8, x1 = 11 m2 = 7, x2 = 9 P = (5,7) y = ? I don't know where to begin. I can't find anywhere in my textbook that teaches how to solve ...
*February 1, 2010*

**math **

Sal borrowed $2,000 for six months at 11.5% simple interest. What was the total amount he had to repay?
*January 28, 2010*

**math**

13 > children >= 2 seniors >= 65 discounted tickets are in the range "[2,13) U [65,INFINITY]" in terms of "years old" So on a number line, you would put a dot at 2, a circle at 13, and connect the two with a line. You would also put a dot at 65 and...
*January 22, 2010*

**physics**

I was finally able to figure it out. Thank you, though.
*January 22, 2010*

**physics**

A bicycle wheel is mounted on a fixed, frictionless axle. A massless string is wound around the wheel's rim, and a constant horizontal force, F, starts pulling the string from the top of the wheel starting at time t = 0 when the wheel is not rotating. Suppose that at some ...
*January 22, 2010*

**physics**

A string is wrapped around a uniform solid cylinder of radius r. The cylinder can rotate freely about its axis. The loose end of the string is attached to a block. The block and cylinder each have mass m. Note that the positive y direction is downward and counterclockwise ...
*January 22, 2010*

**calculus**

Use the Intermediate Value Theorem to show that there is a root in the equation x^(1/3)=1-x in the interval (0,1).
*January 21, 2010*

**calculus**

I see that now. Thank you.
*January 21, 2010*

**calculus**

lim (x->0.5 from the left)((2x-1)/|(2x^3-x^2)| = -4 I would have thought positive four. How can this be?
*January 21, 2010*

**physics**

A barometer is taken from the base to the top of a 554 m tower. Assuming the density of air is 1.29 kg/m3, what is the measured change in pressure?
*January 17, 2010*

**ath**

Jill deposited $2,500 in a savings account at a rate of 7.75%, compounded monthly. How much was in her account after three months?
*January 11, 2010*

**consumer math**

One week Roger earned $425.50 regular pay and $60.50 overtime pay. His net pay for the week was $275.30. How much did he have withheld for deductions? i dont know how to find the deduction so far dont now if right i add regulare pay= $425.20+$60.50=$485.70 but than do i ...
*January 4, 2010*

**Math**

thank you i got it right
*December 14, 2009*

**Science**

Megan, Jose, Austin, and Timothy are driving from Atlanta to Orlando which is a total of four hundred miles. They each left at 6:45 a.m. Everyone has been driving at different average speeds. Figure out the average speed of each driver. 1. Jose's friend is driving from ...
*November 10, 2009*

**algebra**

How do you simplify 7-6 x 2ã 3+9
*August 19, 2009*

**math geometry**

in what type of trapezoid are the base angles congruent?
*May 18, 2009*

**math geomety**

draw a trapezoid whose parallel sides measure 1 inch and 1 1/2 inches. find the length of the midsegment
*May 18, 2009*

**math**

Given the simple interest formula, I = Prt, solve for t
*May 11, 2009*

**math prob**

how many midsegments does a triangle have?
*May 8, 2009*

**ml algebra 1**

Simplify the expression: 40x ÷ (1/8)
*May 7, 2009*

**math**

1/3
*May 7, 2009*

**5th grade**

why are all prime numbers, besides 2 odd?
*November 18, 2008*