Sunday

January 25, 2015

January 25, 2015

Total # Posts: 250

**Math**

Abdul and his brother weigh 15.25kg. Abdul and his father weigh 72.25kg. What is Abdul's weight?
*August 4, 2011*

**maths**

the mass of a boy is 36.1kg when rounded off to 1 decimal place. If his mass is less than 36.1kg, what is his possible mass?
*July 25, 2011*

**chemistry**

industral chemistry and petrochemicals technology
*July 7, 2011*

**music **

look him up on Google and try to fi8ned info about him!!!
*June 28, 2011*

**6th grade math**

how do you round the number 128 to the nearest tenths place
*June 27, 2011*

**com 156**

yes it is possible if they put a lot of effort in there work like if you played an instrument and you wanted to write a song to the president about politics then you could do it becoas you would be putting a lot of effort
*June 24, 2011*

**Maths Parabola**

if a parabola is defined by f(x)=ax+bx+c,where a straight line is defined by g(x)=-1/2x.then Df=R,Rf=(-2,infinity) and b/2a=2 determine a,b and c and write down the equation of f.
*June 6, 2011*

**Maths**

suppose function f,g,h and l are defined as follow:f(x)=4xsquared-5x+1,g(x)=-1/2x-3,h(x)=squared root(2-x)squared+1/2x,l(x)=square root2-x-3. .write down Df and solve inequality f(x)<0 .write down Dg and solve 4g(x)=8 .write down Dh,Dg+h and solve the (g+h)(x)=0 .write down...
*June 6, 2011*

**algebra**

Essay; show all work. Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.001518x4 + 0.097326x3 – 1.3367x2 + 12.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it ...
*May 31, 2011*

**algebra**

Essay; show all work. Bob’s Barber Shop estimates their gross revenue for the second quarter to be given by the polynomial 2x3 – 3x2 + 7x – 1. The shop estimates their costs for that quarter to be given by x2 + 4x + 2. For the second quarter, find and simplify ...
*May 31, 2011*

**LIT**

Dresden was a German city destroyed by the allies in WWII. Which of the following most likely describes the allusion to Dresden? A Dresden was the center for the production of weapons that supported the German war effort. B Dresden was a city rich with old cultural monuments ...
*May 17, 2011*

**lit**

I want to say it copan because it's an city that has a historical record.
*May 17, 2011*

**lit**

Copán is one of the most impressive sites for ruins of the ancient Maya civilization. Situated in western Honduras, Copán is where the great Maya civilization flourished. Though other Maya ruins have been found in neighboring countries, no other quite like Cop&...
*May 17, 2011*

**lit**

What is the historical allusion? For the last several months, Rebecca had been working with her team on raising money in her neighborhood to donate to the hurricane Katrina Relief Fund. They were having a competition with groups to see who could raise the most money in a year...
*May 17, 2011*

**english**

no other choice only those
*May 17, 2011*

**english**

jeffersonia
*May 17, 2011*

**english**

what is the allusion. Last year our school’s finances were in shambles. Overspending and little control over money has resulted in a situation where there is no money for new books or supplies. School officials are even wondering where they will find the money to pay the ...
*May 17, 2011*

**lit**

n 1946, Albert Einstein said if he had known the Germans wouldn't succeed in constructing the atom bomb, he "would never have lifted a finger." Did I punctuate correctly?
*May 10, 2011*

**lit**

"One day I'm going to be an astronaut," Adelle told her sister. Did I punctuate correctly?
*May 10, 2011*

**lit**

Jocelyn asked her mom, "What was it like when you were a child?" Did I punctuate correctly?
*May 10, 2011*

**lit**

What did the philosopher Aristotle mean when he said, "To perceive is to suffer"? Did I punctuate correctly?
*May 10, 2011*

**lit**

"Maybe we should wait to begin until everyone is seated," Ana said to her band mates. did I punctuate this correctly?
*May 10, 2011*

**lit**

"Ouch, that hurts!," Kadra said after stubbing her toe. is this correct?
*May 10, 2011*

**lit**

When Marcos walked into the room, we turned on the lights and yelled, "Happy birthday!" is this correct punctuation?
*May 10, 2011*

**lit**

the sentence is given without punctuation I have to add them I didn't see any is that correct
*May 10, 2011*

**lit**

Antony invited us over to check out his, "awesome new board." is this correct
*May 10, 2011*

**lit**

I had a thought should never be lower case or is that coreect
*May 10, 2011*

**lit**

Oh I see Thanks!
*May 10, 2011*

**lit**

My mom says, "Never wear anything but a suit to a funeral or a wedding." is this it?
*May 10, 2011*

**lit**

Is a comma missing?
*May 10, 2011*

**lit**

My mom says "Never wear anything but a suit to a funeral or a wedding." is this correct punctuation?
*May 10, 2011*

**lit**

Ms. Sardelis said we must "absolutely and without delay" turn in our permission slips by tomorrow or we can't go on the class trip. is this correct
*May 10, 2011*

**lit**

The defendant stated that she was, "not guilty." is this correct punctuation?
*May 10, 2011*

**lit class **

we are really stuck on this one we searched the website that you suggested but are still stuck this is what we came up with is this correct punctuation? Jawaharlal Nehru, the first prime minister of independent India, said that, "culture is the widening of the mind and of...
*May 10, 2011*

**Lit class**

I'm going to be asking for the help for all of us does this have correct punctuation? two of us said no and the other two says yes My mom says "Never wear anything but a suit to a funeral or a wedding."
*May 10, 2011*

**Lit class**

No, it's really a group of us that's working together. we are just using all of our names to ask. really!!!!! we didn't think it would be a problem
*May 10, 2011*

**Lit class**

Did I punctuate this correctly? "Daddy, why is the sky blue?" Martinique asked her father. the quotation mark goes behind the question mark right?
*May 10, 2011*

**math**

2316
*March 30, 2011*

**Math **

melissa invested a some of money at 3% annual simple inter she invested 3 times that some at 5 % annual simple interest if her total yearly interest from both investments was 7200 how much was invested at 3% ?
*March 30, 2011*

**Statistics**

The null hypothesis,H0:u=48,was tested against the alternative hypothesis,H1:u>48.A sample of 75 resulted in a calculated p-value of 0.102.if standard deviation=3.5,the value of the sample mean is?need help
*March 23, 2011*

**Statistics**

The amount of fill(weight of contents)put into a glass jar of spaghetti sauce is normally distributed with mean=850g and standard deviation=8g.the probability that a random sample of 24 jars has a mean weight greater than 848g is?need help
*March 23, 2011*

**Statistics**

Of 100 people who were given a vaccine,80 developed immunity to a disease.the 98% interval on the proportion of people developing immunity is?need help
*March 23, 2011*

**Chemistry**

What is a photon? Several selections may be correct. Has an energy of equal to hν. Is a unit of electromagnetic radiation. Is a part of the electromagnetic spectrum. Is usually called visible light. None of these.
*March 14, 2011*

**Chemistry**

a 23ml H2SO4 solution is titrated by 50 ml 0.10 M NaOH solution, what is the molarity of H2SO4 solution? (Note that H2SO4 is a diprotic acid)
*March 14, 2011*

**Algebra**

292
*March 8, 2011*

**Maths literacy**

Write 78/115 as a decimal fraction
*February 26, 2011*

**algebra**

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -7x – 5y = 1.5 -5x – 4y = 4.5
*February 22, 2011*

**algebra**

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -x – 8y = 43 4x + 32y = 172
*February 22, 2011*

**algebra**

A dehydrated patient needs a 3.82% saline IV. Unfortunately, the hospital only has bags of 4% and 3% saline solutions. How many liters of each of these solutions should be mixed together to yield 5 liters of the desired concentration?
*February 22, 2011*

**algebra**

To buy both a new car and a new house, Tina sought two loans totalling $319,531. The simple interest rate on the first loan was 2.7%, while the simple interest rate on the second loan was 2.6%. At the end of the first year, Tina paid a combined interest payment of $8334.15. ...
*February 22, 2011*

**algebra**

Select the set of equations that represents the following situation: Mary invested one amount at 7% simple interest, and a second amount at 5% interest, earning $29.80 in one year. If she had switched the amounts, she would have earned $35.00. What were the two amounts? (...
*February 22, 2011*

**algebra**

Select the set of equations that represents the following situation: Mary invested one amount at 7% simple interest, and a second amount at 5% interest, earning $29.80 in one year. If she had switched the amounts, she would have earned $35.00. What were the two amounts? (...
*February 22, 2011*

**algebra**

Select the set of equations that represents the following situation: The cost of eleven CDs and twelve DVDs is $150.62; and the cost of one DVDs and twelve CDs is $116.07. How much do a CD and a DVD cost? (Points : 3) 11x + 12y = 150.62; 12x + 1y = 116.07 11x • 12y = 150....
*February 22, 2011*

**algebra**

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x + 4y = -19.5 -3x + y = -10.5
*February 22, 2011*

**algebra**

Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. x + 10y = 41 x + 9y = 37
*February 22, 2011*

**algebra**

Select the set of equations that represents the following situation: Mary invested one amount at 7% simple interest, and a second amount at 5% interest, earning $29.80 in one year. If she had switched the amounts, she would have earned $35.00. What were the two amounts?
*February 22, 2011*

**Algebra**

Cody’s motorboat took 3 hr to make a trip downstream with a 6-mph current. The return trip against the same current took 5 hr. Find the speed of the boat in still water
*February 22, 2011*

**intermediate algebra**

Select the set of equations that represents the following situation: Mike invested $706 for one year. He invested part of it at 5% and the rest at 3%. At the end of the year he earned $28.00 in interest. How much did Mike invest at each rate of interest?
*February 21, 2011*

**Physics**

A Force,F=10N,applied at an angle of 37 degree above the horizontal,moves a crate a distance of 5m along a rough horizontal surface.A frictional force of 5N opposes the motion.what is the change in kinetic energy?
*February 18, 2011*

**statistics**

the correlation between two random variables X and Y is p=-0.75.it is given that X=1,2or3 with equal probability of 1/3 and Y=-1,-2or-3 with equal probability of 1/3.the covariance is equal to?i need help.i have been struggling to get the answer>
*February 11, 2011*

**Physics**

A 3kg mass moving initially to the right along the x axis with a speed of 8m/s makes a perfectly inelastic collision with a 5kg mass initially at rest at the origin.what fraction of the initial kinetic energy of the system is lost in the collision.what formula must i use.
*February 2, 2011*

**Physics**

A 3kg mass moving initially to the right along the x axis with a speed of 8m/s makes a perfectly inelastic collision with a 5kg mass initially at rest at the origin.what fraction of the initial kinetic energy of the system is lost in the collision.what formula must i use.
*February 2, 2011*

**Pre-Algebra**

Thank you, Ms. Sue!
*January 24, 2011*

**Pre-Algebra**

If 4 liters of motor oil cost $3.88, what is the price for 1 liter? I'm supposed yo set up proportions. This is how I set it up: $3.88/4 liters • 1 liter/p p= the price for 1 liter Please tell me if I set it up right and how to solve.
*January 24, 2011*

**physical science**

gravity
*January 17, 2011*

**Maths**

is 10*10exponent -3 a scientific notation?
*January 17, 2011*

**Physics**

Two points charges of 2uC and -6uC are located at the position(0.0)m and (0.3)m.Calculate the total electrical potential at the point (4.0)m due these two charges.
*January 17, 2011*

**Physics**

hi Esskay,can u help me with the answer
*January 17, 2011*

**Physics**

A proton is released from rest in a uniform electric field which is directed along the x axis and of magnitude E=2*10exponent5 V/m.The proton undergoes a displacement from point A at the origin to point B at x=0.2m.What is the change in the potential energy of the proton ...
*January 17, 2011*

**Physics**

if a ball is thrown straight upward and is caught 5s after being thrown,how fast must it have been going when it left the person s hand?help
*January 17, 2011*

**physics**

if a ball is thrown vertically upward and is caught 5 seconds,how fast must have been going when it left the person s hand?help
*January 14, 2011*

**math**

Write a missing addend addition sentence to help solve 78-49.explain how you would use it.
*January 2, 2011*

**PHYSICS**

They both experience the same impact force however the fly will experience a greater acceleration
*November 30, 2010*

**Phys**

V = (f)* (wavelength) 200m/s = 100hz * Wavelength solve for wavelength then multiply by 3 dont forget to use the units for each variable like he gave us in class i.e. frequency = vibration/time wavelength = distance/vibration velocity = distance/time
*November 30, 2010*

**Physics**

I know for sure that the answer is not B or C since the volume increases and the temperature increases, however i am having a hard time understanding the definition of an adiabatic process and how to determine if there is any heat lost to the atmosphere. I am pretty sure the ...
*November 30, 2010*

**Physics**

A gas is taken though a single process in which its volume decreases by .25 m^3 as the temp of the gas rises 2deg C. Which of the following people are more likely to have reached the correct conclusion? a. Bob Identifies this process as adiabatic b. Jill identifies this ...
*November 30, 2010*

**History**

A more unified African American culture began to emerge in the early decades of the nineteenth century because? the Gullah dialect spread to the new slave territories in the Old Southwest. the rapid transfer of slaves from other regions into the Lower Mississippi Valley ...
*November 29, 2010*

**English**

1) lessons, is better 2) is good 3) 2 lessons/2 more hours of lesson 4) good 5) i go to the bathroom where i wash and dress myself (not dressed myself) 6)i get ready for school 7) good 8) good 9) computer lab and fine
*November 14, 2010*

**algebra**

Select the set of equations that represents the following situation: The cost of eleven CDs and twelve DVDs is $150.62; and the cost of one DVDs and twelve CDs is $116.07. How much do a CD and a DVD cost? (Points : 3) 11x + 12y = 150.62; 12x + 1y = 116.07 11x • 12y = 150....
*November 13, 2010*

**physics**

If there are three forces acting on an object, one straight up, one up at an angle to the left (angle unknown) and one up at an angle to the right what direction is the combined force? Is it possible for the combined force of those three forces to be down?
*November 8, 2010*

**Math **

Two sides of a triangle have the same length. The third side measures 4 meters less than twice the common length . The perimeter of the triangle is 16 meters. What are the lengths of the three sides?
*November 7, 2010*

**Business Calculus**

An ice cube that is 3 cm on each side is melting at a rate of 2 cm cubed per minute. how fast is the length of the side decreasing?
*October 21, 2010*

**Science**

that doesnt help me though. i need to know what Describe the role of gravity as the force that governs the movement of the solar system and the universe means.
*September 27, 2010*

**Science**

"Describe the role of gravity as the force that governs the movement of the solar system and the universe." I don't get it.
*September 27, 2010*

**math**

Tyrell says $750 is about $800.Sara says $750 is about $700.who is correct?explain.
*September 22, 2010*

**math **

in which number does 4 have the greatest value 9499 4391 2240 1944
*September 21, 2010*

**Physics**

This should say Physics-Typo error
*September 19, 2010*

**Ohysics**

An airplane flying at 120km/h due west moves into a region where the wind is blowing at 40km/h due east. If the plane's original vecotr velocity is Vplane, what is the expression for the plane's resulting velocity in terms of Vplane. a. 1/3 >Vplane b. 2/3>Vplane ...
*September 19, 2010*

**Physics**

A lightning bug flies at a velocity of 0.25m/s due east toward another lightning bug seen off in the distance. A light breeze blows from the east on the bug at a velocity of 0.25m/s. What is the resultant velocity of the lightning bug? Please direct me to even start-I'm ...
*September 15, 2010*

**Math**

Help! Toshiro Hashimoto invested some money at 4.5% simple interest and $1000 more than four times the amount at 6%. His total annual income for one year from interest on the two investments was $801. How much did he invest at each rate?
*September 15, 2010*

**Language Arts**

I need the complete predicate in this sentence? Ida B. Wells was born into slavery in 1862 in Holly Springs, Mississippi.
*September 9, 2010*

**English**

Could someone help with the main idea of this paragraph? Please and thank you Old Man Warner snorted. 'Pack of crazy fools," he said. "Listening to the young folks, nothing's good enough for them. Next thing you know, they'll be wanting to go back to ...
*September 8, 2010*

**Math**

Thank you so much
*September 7, 2010*

**Math**

Help-I just started Algebra II and I'm lost. What is the solution of 10 = absolute value of 7-3x. Please show steps so I can understand
*September 7, 2010*

**Physics**

I just need to clarify something in my mind- I look at a graph and the position changes from 3 to 8 over a ten second interval, to find total displacement, I just take 8-3 would equal 5 for total displacement, correct? I don't need to bother with the time interval, correct...
*September 6, 2010*

**Chemistry**

What is the pH of a 1.0E-8 M solution of HCl? Please note that you cannot simply add the contribution of H+ ions from the autoproteolysis of water and the contribution from the dissociation of HCl. You will need to use the quadratic equation to solve this problem and report ...
*September 3, 2010*

**Chemistry**

What is the pH (to three figures) of a 0.1 M solution of sodium acetate given that the acid dissociation constant (Ka) of acetic acid is 1.8E-5? Hint: I keep getting 2.87 but its wrong.
*September 3, 2010*

**Math**

y=3x-3.5
*June 10, 2010*

**Global History**

ok thanks jimmy and Ms.Sue
*April 9, 2010*

**trig**

what is the tan of 25 degrees and 01 minute
*April 7, 2010*

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