Thursday

December 18, 2014

December 18, 2014

Total # Posts: 75,677

**Spanish Practice--Plz help?**

Use the six Spanish terms below to write about something in a traditional classroom. Make sure to use the correct number(s) for the nouns and the correct present tense form of the verb. mochila cartel los las the verb estar en
*November 21, 2014*

**math**

Your 2pi/7 t is correct. To get the max height of 80 with a radius of 20, you need 20sin(2pi/7t)+60 It could also be a cosine function, or either sine or cosine with a phase shift. Your pure sine function indicates that at t=0, the chair is level with the axle of the wheel.
*November 21, 2014*

**please help**

i posted at 12:00 about math... please help for my son.
*November 21, 2014*

**math**

1/4 + 3/16 + x = 5/8 4/16 + 3/16 + x = 10/16 x = 3/16
*November 21, 2014*

**math**

terrence's brother decided to share some pizza with terrence and his sister. if terrence ate 1/4 of the pizza, his brother ate 3/16 of the pizza, and altogether the three ate 5/8 of the pizza, how much did the sister eat?
*November 21, 2014*

**Physics**

since v^2 = 2GM/r, replacing with the new values gives a new v, with the ratio vnew^2/vold^2 = 2G(.64M)/(.9r) / 2GM/r = 0.711 So, vnew/vold = 0.84
*November 21, 2014*

**Science**

If you draw a diagram, you will see that the first two vectors form two sides of an equilateral triangle. So, the angle between them is 120 degrees.
*November 21, 2014*

**math**

dont know
*November 21, 2014*

**physics**

note ... find acceleration by using distance and time (ignore ”incline” ... just treat it like linear motion of object starting from rest). A 1.8 kg mass starts from rest and slides down an inclined plane 8.8×10−1 m long in 0.54 s. What net force is ...
*November 20, 2014*

**English**

Where's the prepositional phrase in this sentence From June until the end of August, Carl lives in Alabama
*November 20, 2014*

**physics**

A 67.0 kg ice skater moving to the right with a velocity of 2.02 m/s throws a 0.12 kg snowball to the right with a velocity of 21.5 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction between the skates and...
*November 20, 2014*

**Science**

50 ml of ethyl alcohol amd 40ml of water combined in a beaker add up to 90ml of liquid why is this? (Particle theory)
*November 20, 2014*

**physics**

if a bird travels 150 cm for 10 sec then 100 cm for 10 sec and then 200 cm for 5 sec. What was the birds average speed?
*November 20, 2014*

**physics**

A 278 g particle is released from rest at point A inside an smooth hemispherical bowl of radius 36.5 cm, as shown below. (a) Calculate the gravitational potential energy at A relative to B. J (b) Calculate the particle's kinetic energy at B. J (c) Calculate the particle&#...
*November 20, 2014*

**physics**

Tarzan swings on a 23.2 m long vine initially inclined at an angle of 22° from the vertical. (a) What is his speed at the bottom of the swing if he starts from rest? m/s (b) What is his speed at the bottom of the swing if he starts with an initial speed of 2.58 m/s? m/s
*November 20, 2014*

**math**

log4(x-3)=2 4^2=x-3 16=x-3 19=x Does this mean the solution would be x=19 or no solution? How would I check this to know if 19 is a solution. I know I plug it back in. Like so: log4(19-3)=2 4^2=19-3 16=16 Did i check correctly?
*November 20, 2014*

**Pre Algebra**

Never Say Die!
*November 20, 2014*

**Math**

Jose runs at average of. 6 miles per hour.he runs everyday for 30 minutes.how many miles does Jose run a week
*November 20, 2014*

**English**

What might be some character traits of Montresor in The Cask of Amontillado? I can't come up with anything except cruel.
*November 20, 2014*

**science**

any science projects??? please help!!!
*November 20, 2014*

**chemistry**

One teaspoon of instant coffee ( 3 grams ) is dissolved in 250 grams of water. What percent of the resulting solution is coffee ?
*November 20, 2014*

**Stastic=tics**

You are staffed with 2 inpatient coders. Your current productivity level for your coders is 3 charts per hour. Your hospital discharges has increased to an average of 75 charts per day. Compose a request for additional coding staff.
*November 20, 2014*

**English**

What might be some character traits of Montresor in The Cask of Amontillado? I can't come up with anything except cruel.
*November 20, 2014*

**geography**

The Indian National Congress and the Muslim League were both
*November 20, 2014*

**chemistry**

what is the partial pressure of hydrogen in a flask containing 2g hydrogen and 32g sulphur dioxide
*November 20, 2014*

**CAT, mathematics literacy , business studies ,hist**

Careers linking to these subjects :CAT, maths lit , business studies and history
*November 20, 2014*

**math**

a rectangular bathroom measures 9.5 feet by 12 feet. the floor is covered by rectangular tiles measuring 1.5 inches by 2 inches. how many tiles are there on the bathroom floor.
*November 20, 2014*

**Physics**

new package moving system in the new improved post office consists of a large circular disc which rotates once every 5 seconds at a constant speed in a horizontal plane. packages are put on outer edge of turntable on one side of room and removed on opposite side. coefficient ...
*November 20, 2014*

**physics**

a certain tower is 40 m tall. a man drops a lanzones from the top of onto the head of his enemy. if the enemy is walking at a speed of 1.2 m/s, ho many meters should the enemy be from the position below the lanzones when it is dropped ?
*November 20, 2014*

**Physics**

object of mass 2 kg is attached to string and rotate in vertical circle of radius 1 m. at highest point it has velocity of 4 m/s. what is tension in string at that point. at lowest point it is .5 m above ground. if string breaks at highest point how far does it travel ...
*November 20, 2014*

**Algebra please help**

(15 mi/h) x (5,280 ft/mi) x (1h/3,600s) = 22ft/s
*November 20, 2014*

**Physics**

-1440 J
*November 20, 2014*

**south mountain community college**

A poster is to have an area of 210in^2 with 1 inch margins at the bottom and sides and a 2 inch margin at the top. Find the exact dimensions that will give the largest printed area.
*November 20, 2014*

**Math**

You have the price of 2 different cars one 17,000 the other 23,000 one gets 22mpg and the other 50 mpg at 3.00 a gallon how long will it take until you have spent more on the one that gets 22 mpg than the one that gets 50 mpg?
*November 20, 2014*

**algebra**

what is the graph of the system ?y<-x-1 y>x+4
*November 19, 2014*

**Algebra, help please!!!**

Are you guys doing mean median mode and range
*November 19, 2014*

**Algebra, help please!!!**

Subtract
*November 19, 2014*

**Business Communication**

Do you think that I should assume the news is bad by the choices given?
*November 19, 2014*

**Algebra**

The income from a student production was $15,000. The price of a student ticket was $3, and nonstudent tickets were sold at $5 each. Four thousand tickets were sold. How many tickets of each kind were sold?
*November 19, 2014*

**Math**

How do I solve for x in: 1/x > x I need to do it both algebraically and graphically, but I'm not sure how to do so. Thanks!
*November 19, 2014*

**Spanish--1 question pllz?**

Use the six Spanish terms below to write about something in a traditional classroom. Make sure to use the correct number(s) for the nouns and the correct present tense form of the verb. mochila cartel los las the verb estar en
*November 19, 2014*

**HISTORY **

How many states and territories was a part of the United States in 1890? What new states and territories was a part of the United States in 1920 which were not part of the United States in 1890?
*November 19, 2014*

**Math**

How do I solve for x in: 1/x > x I need to do it both algebraically and graphically, but I'm not sure how to do so. Thanks!
*November 19, 2014*

**Algebra 2**

let f(x)=7x+4 and g(x)= 3x-9 g(f(x))
*November 19, 2014*

**Algebra Two**

let f(x)=7x+4 and g(x)= 3x-9 f(x)*g(x)
*November 19, 2014*

**Math**

To have no decimals
*November 19, 2014*

**Math**

What does 24.305 round to
*November 19, 2014*

**Algebra 2 **

Simplify 2x*x^7/4
*November 19, 2014*

**French**

I have a couple of questions. Is this a correct way of saying I like to ride a bike in the summer? Do I need an article before été? En été, j'aime faire du vélo. Is l'opération male or female? How do you say I like to visit ...
*November 19, 2014*

**English**

The first one is c
*November 19, 2014*

**English**

for which one
*November 19, 2014*

**English**

All of the following plural nouns except a.flies b.themselves. c. ladys. d.proofs I am think d All of the following compound nouns are correct except a.editors in chief. b.sons-in-law. c.bird watchers. d.mother-in-laws. I am think b or d
*November 19, 2014*

**Math**

what is the solution to the system of equations? 5x + 4y = 8 x - 2y = 10 (not multiple choice) my answer: (-5, -1) What are the missing values? (coincident) 4x + 5y = 8 8x + ____ y = _____ (Not multiple choice) Im not sure how to do this one collection of dimes and nickels is ...
*November 19, 2014*

**Math Help!!!**

your wrong the first one is 9
*November 19, 2014*

**Math Help!!!**

all of them
*November 19, 2014*

**Math Help!!!**

can you check them?
*November 19, 2014*

**Math Help!!!**

Russell Grossman is training for the Olympics. He wants to know the distance across lake royal, so he can write in his training logbook how far he rows each day. If from one point on the shore to one side of the lake is 13 km and from the same point to another side of the lake...
*November 19, 2014*

**child developement**

compare 3 children 4 years, 18 months, 10 years to physical or cognitive growth
*November 19, 2014*

**chemistry**

12.5g mass of the vinegar sample and the density of vinegar is 1.05g/mL determine the volume of the vinegar sample in liters?
*November 19, 2014*

**maths**

diameter of a ferris wheel is 15 metres. how far does a seat on the ferris wheel travel in 5 revolutions
*November 19, 2014*

**chemistry**

You measure Ksp for borax and find it to be 6.2 x 10-3 at 22.8°C. If the standard enthalpy change, ΔH°, for the dissolution of borax is 58 kJ, calculate the standard entropy change, ΔS°, (in J/K) for the dissolution of borax at this temperature. (Assume...
*November 19, 2014*

**chemistry**

You measure Ksp for borax to be 7.8 x 10-3 and 2.9 x 10-3 at 23.6°C and 1.8°C, respectively. Calculate the standard enthalpy change, ΔH°, (in kJ) for the dissolution of borax.
*November 19, 2014*

**Calculus (PLEASE HELP ASAP!)**

Find f(x) satisfying the given conditions: 1) f"(x) = 1/x^3 f'(1) = 1/2 f(1) = 0 2) f"'(x) = sin (x) f"(0) = 0 f'(0) = 1 f(0) = 0
*November 19, 2014*

**English**

As it rained heavily, the playground was muddy.
*November 19, 2014*

**math**

who makes rainwater mix with dirt?
*November 18, 2014*

**chemistry**

if 10.5 moles of CH4 react with oxygen, what is the volume of CO2 (in liters) produced at 20.9 degrees celsius and 0.951 atm?
*November 18, 2014*

**math**

determine the resulting equation if one variable is solved in terms of the other variable in one equation and substitute this variable in the other equation. 1.) 2x+5y=9 -x+y=2 2.) 3x+y=2 9x+2y=7 3.) x-y=-3 3x +y=19
*November 18, 2014*

**math**

start out with what you know -so you have a total of 50 coins -a quarter is equal to 25c -a nickel is eqal to 5c 0.25*4=$1.00 0.25*12=$3.00 0.25*16=$4.00 0.25*20=$5.00 0.05*20=$1.00 20+16=36 50-36=14 This might help
*November 18, 2014*

**English**

Sentence 7
*November 18, 2014*

**English**

Lina went on her first diet in High school for three days she ate nothing but carrot sticks, cottage cheese, and apples. Then scarfed down two double sentence cheeseburgers with fries and a chocolate shake. Her other attempts at dieting didn’t last much longer. By ...
*November 18, 2014*

**math**

1. you know that x=-y+7 so you are going to take that and substitute/put it in for x in the followin equation (-y+7)-y=-9 2. in this equation we know that y=2x, 4x+3(2x)=20 4x+6x=20 10x=20 divide both sides by ten and you get x=2 3. y=2x+5 3x-2(2x+5)=5 3x-(6x+10)=5 -3x+10=5 ...
*November 18, 2014*

**math**

determine the resulting equation if one variable is solved in terms of the other variable in one equation and substitute this variable in the other equation. 1.) x=-y+7 x-y= -9 2.) y=2x 4x +3y=20 3.) y=2x +5 3x-2y=5
*November 18, 2014*

**physics**

a police shot a wall of 10 meter which is located 75 meter from himself. the angle between base and bullet was 60 degree and the speed was 30 meter per second was shot. was the bullet shot the wall ornot ..Explain if why?
*November 18, 2014*

**Chemistry Lab**

thanks, I'll ask my teacher just to make sure. :)
*November 18, 2014*

**Chemistry Lab**

In chemistry we are doing a lab that involves crucibles and Mg ribbon, we have three days to complete the lab. Anyways do you think it would be alright to substitute the mass of the crucible we had the first day with the mass of the crucible we had today? We know how much the ...
*November 18, 2014*

**math**

In voting for the fifth grade class president only 1/3 of the students cast votes. What fraction of the whole class voted for tim for selena who received the most votes. Class president candidate fraction votes received Tim 2/6 SELENA 1/4 Is the answer 2/18 for tim And 1/12 ...
*November 18, 2014*

**math**

There are 4 one fourth in one cup. So calculate how many needed.
*November 18, 2014*

**Math**

Please help. We have to use these digits to solve the two numbers - 2, 9, 4, 3, 6, 7. The difference between the two numbers is 377. What are the two numbers?
*November 18, 2014*

**physics**

An airplane is flying at constant speed of 500 km/h on a straight line at 33000 feet above sea level. What is the net force acting on the plane?
*November 18, 2014*

**physics**

An airplane is flying at constant speed of 500 km/h on a straight line at 33000 feet above sea level. What is the net force acting on the plane?
*November 18, 2014*

**French**

Please check the sentence for grammar. Son opération préférées dans les mathématiques est la multiplication. I'm not sure about son or sa.
*November 18, 2014*

**math**

Erica had 7/8 of a pizza left. Her friend ate 1/6 of the pizza that was left. What fraction of the whole pizza did her friend eat.is the answer 7/48
*November 18, 2014*

**Calculus**

Find the derivative of y=xe^-x^2. Is the x being multiplied by (e^-x^2)? Product rule? I don't understand how to approach this problem.
*November 18, 2014*

**Art**

ITS OBV D
*November 18, 2014*

**math**

If I simplify is the answer 2/15
*November 18, 2014*

**math**

Susan picked a squash that weighed 8/15 LB. Larry picked a squash that weigh 1/4 as much as susan squash. How much did larry squash weigh. Is the answer 8/60
*November 18, 2014*

**English**

Which of the following is a fragment a.because we had tickets. b.running past first base. c. Athletes understanding the purpose of practice. d. all of the above. I am think d Which of the following is a fragment? A.Here are the answers to the math questions. b.There seems to ...
*November 18, 2014*

**math**

A rectangle has a length of 3/8 foot and a width of 2/3 foot what is the area of the rectangle. Is the answer 1/4 square feet
*November 18, 2014*

**English**

It galaxy
*November 18, 2014*

**English**

Could sentence six been a dangling modifier
*November 18, 2014*

**English**

I cannot which would be the fragment
*November 18, 2014*

**English**

Rather
*November 18, 2014*

**English**

yes sentence 7 does contain a dangling modifier.
*November 18, 2014*

**English**

How is sentence 1 fragment? Which sentence contains a dangling modifier? a. sentence 5 b. sentence 6 c. sentence 7 d. sentence 8 I am think 7
*November 18, 2014*

**English**

Lina went on her first diet in High school for three days she ate nothing but carrot sticks, cottage cheese, and apples. Then scarfed down two double sentence cheeseburgers with fries and a chocolate shake. Her other attempts at dieting didn’t last much longer. By ...
*November 18, 2014*

**math**

Is the answer 6/24
*November 18, 2014*

**math**

Mrs garcia had 2/3 of a pumpkin pie left. Her son ate 3/8 of what was left. What fraction of the whole pie did her son eat.
*November 18, 2014*

**English**

How it d?
*November 18, 2014*

**English**

I said d
*November 18, 2014*

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