Thursday
July 31, 2014

Posts by Kristina


Total # Posts: 171

Calculus
This is a tough one :( The region between the graphs of x=y^2 and x=6y is rotated around the line y=6. Find the volume of the resulting solid please... i am unable to get the correct answer :(

chemistry
0.00097973

economics
How do you think our nation’s output should be distributed according to income or according to some other standard (such as basic human need)?

Science/Math
If the temperature of a room is 70 degrees F, what is the temperature of the room in Celsius? In Kelvin?

college_anthropology
What does miners piece tell us about the difficulty of describing another culture?

anthropology
What ethical challenges come up when studying another culture? How does one balance the fact that anthropology is part social science, part humanity, and part biology?

algebra
in a mixture if concrete, there are four lb of cement mix for each pound of gravel. if the the mixture contains a total of 195 lb of these two ingredients, how many pounds of gravel are there?

math
a minor league baseball team plays 88 games in a season . if the team won 17 more then twice as many games as they lost , how many wins and losses did the team have

Trig
Prove the trig identity cos(4x)=2-sec^2(2x)/sec^2(2x)

algebra 2
3 radical 4x^2 time s radical 6x^4 times 3radical 9x

12th grade
The three fifths compromise and the commerceand slave trade compromise were included in the constitution at the insistence of the southern states. Why did states in the south think these items were important and what price, if any, did southern states pay for their inclusion

french
this means the first floor

history
what do they mean by describe the social,composition of the decade of corporate greed

Math
Dwayne passes the 0 point running 4 meters per second to the right.Where is he 5 seconds later?Write a number sentence.

Chemistry
Could you explain in detail why a saponification reaction is considered to be the reverse of an esterification reaction.

science
what type of electromagnetic radiation does a flame emit?

college
The radiator in a certain make of car needs to contain 20 liters of 40% antifreeze. The radiator now contains 20 liters of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?

Physics
A golfer rides in a golf cart at an average speed of 3.10 m/s for 21.0 s. She then gets out of the cart and starts walking at an average speed of 1.60 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 2.10 m/s? I need...

Physics
In a historical movie, two knights on horseback start from rest 94m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.22 m/s2, while Sir Alfred's has a magnitude of 0.27 m/s2. Relative to Sir George's starting po...

Physics
I need help solving for T!!!

Physics
A golfer rides in a golf cart at an average speed of 3.10 m/s for 21.0 s. She then gets out of the cart and starts walking at an average speed of 1.60 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 2.10 m/s?

Literaure- King Oedipus
One more question........ Who was King Oedipus lead away from?

Literature- King Oedipus
Who did Oedipus believe was his father?

hhs 265 math accounting
The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 $5,250,000 20X2 $5,500,000 20X3 $6,000,000 20X4 $6,750,000 Forecast personnel expenses for fiscal year 20X5 using moving averages, weighted moving avera...

Chemistry
An element has ccp packing with a face-centered cubic unit cell. Its density is 8.92 g/cm3 and the unit cell volume is 4.72 x 10-26 L. Calculate the molar mass (g/mol) of the element to three significant figures.

Chemistry
An element has ccp packing with a face-centered cubic unit cell. Its density is 8.92 g/cm3 and the unit cell volume is 4.72 x 10-26 L. Calculate the molar mass (g/mol) of the element to three significant figures.

physics
when you brake a car at a stop sign, what force provides the impulse to stop the car?

7TH GRADE MATH
100x.72=72, so 100+72 10x.30=3, so 10+3 and so on..

Chemistry
How do you determine the number of moles in 78.6 grams of carbon tetrachloride (CCl4) ?

Chemistry
How do you determine the number of atoms in 28.7 grams of gold (Au)

Physics
This is a projectile motion problem where I need to find the velocity and angle I launch a ball at to hit a ship. The ball is on a cliff 400 m high, and the ship is 250 m away from the cliff. The ship is moving away at a velocity of 40 m/s. What velocity and angle should I lau...

appeal letter
Be honest. Tell them where you need help and what YOU will do in order to make a change and be more successful.

3rd grade
Thank you so much!

3rd grade
How can you use two multiplication facts to multiply 6 x 9? Use the array below to explain how you might multiply. ********* ********* ********* ********* ********* *********

3rd grade
1) Kevin is making yogurt bars for a picnic. He has 6 rows of yogurt bars on a tray. There are 3 bars in each row. How many yogurt bars does Kevin make? Answer: 6 x 3 = 18 yogurt bars 2) HOW CAN YOU USE MULTIPLICATION FACTS FOR 1 AND 2 TO FIND 3 x 7? I don't understand the...

3rd grade
The question is: If the ones digit of a number greater than 1 is 0, what factor or factors must that number have? a) 2 only b) 5 only c) 2 and 5 d) neither 2 or 5 I thought neither D as it would have to be a number such as 10. 10 + 10 = 20 10 + 10 + 10 = 30 leaving zero's ...

3rd grade
Does anyone know what the 1-1-1 rule in regards to spelling?

Math
a minor league baseball team plays 88 games in a season . if the team won 17 more then twice as many games as they lost , how many wins and losses did the team have

math
Solve this equation. Verify your solution using a graphing utility. log_1/3(x2 + x) - log_1/3(x2 - x) = -1

math
Solve this equation. Verify your solution using a graphing utility. log_a(x - 1) - log_a(x + 6) = log_a(x - 2) - log_a(x + 3)

math
Express y as a function of x. The constant C is a positive number. ln y = 9x + ln C

math
Express y as a function of x. The constant C is a positive number. ln y = ln x + ln C

math
Suppose that ln7 = a and ln8 = b. Use properties of logarithms to write this logarithm in terms of a and b. ln root5(56)

math
Suppose that ln2 = a and ln3 = b. Use properties of logarithms to write this logarithm in terms of a and b. ln8

Math
Use properties of logarithms to find the exact value of this expression. Do not use a calculator. 6log6 8 - log6 7

3rd grade
Thank you!! I really appreciate your help! ( :

3rd grade
There are 33 students in the band. There are 6 more fifth-grade students than third-grade students. There are an equal number of third- and fourth-grade students. How many third-grade students are in the band?

Medical Billing and Coding
I have to do a research paper on Lupus. I need help with an introduction paragraph. ( 3-5 sentences) and a conclusion paragraph.

N/A-General Question
Do you say by hard or by Heart??

Math
If a daily dosage of drug is 0.2 mg per kg of body weight how much should a 100 lb person take?

Math
If 8/3 = 3/x then x = ? Thanks in advance

Math
A car travelling at 25 km per hour and gets 5 km per litre of gasoline, how long can the car travel on 20 litres of gasoline?

Statistics
What is y x u= -21

radical math
radical .01X to the 4 y to the 2

Maths probability
999:1000 i think IM NOT SURE tho... sorry

math
need help again mutliply x(x+1)(x-1) and factor completely 6y^2-2yz and 8g^2j-12g^3hj thanks guys I appreciate it.

math
I must simplify this equation and am having a hard time (5+2a+3a)-(a2+a-6) I also would like to know if you could help me with this onex(4x2+3x-5)-2(4-x2) this is also simplifing. I have a really hard time with these, thank you

math
how do you factor 18c^4-9c^2+7c ?

Business
Consider a local business whose services you frequently use. What are the main components of this company's business model? Using Figure 1.2 on p. 11 of your text as a guide, describe the three components of the business system that comprise the local business you selected...

social studies
I need some examples of cruelty to creation for a school project

Thermodynamics
The molar enthalpy of formation of water vapor is -241.82 kJ/mol at 298 K. Calculate the molar enthalpies of formation of water vapor and of liquid water at 100 C and at -0.1 C (four values).

CHEM
Calculate the molar solubility of gold(I) chloride (Ksp= 2.0 x 10^-13) in .10 M NaCN. The complex ion formed is [Au(CN)2]- with Kf= 2.0 x 10^38. Ignore any other competing equilibrium systems. I'm having trouble writing an equation to start off with. First, I had written A...

Chemistry
Consider the reaction Zn(OH)2(s) + 2CN-(aq) <--> Zn(CN)2(s) + 2OH-(aq) a) Calculate K for the reaction. (Ksp Zn(CN)2= 8.0 x 10^-12) b) Will Zn(CN)2 precipitate if NaCN is added to a saturated Zn(OH)2 solution? I tried splitting this into two equations: Zn(OH)2(s)<--&g...

Physics
By how much does the H20 pressure exceed atmospheric pressure at 3 meters below the surface of a pool with fresh H20. I don't know what equation to use. You have to figure the weight of a column of water of some height h, and horizontal area A. Weight= mg= density*volume*g...

physics
What would be the final temp when 100 kg of 0 degrees Celcius cold water is mixed with 60 kg of 35 degrees warm water? Ans is in degrees Celcius. The sum of the heats gained is zero (remember one will lose heat, so have a negative heat gained). Heatgained by cold water + heat ...

legal studies
how in practice the operation of local court differs from that of others??? I have a judge here in our local district court who drives me mad with his innane dress code for men. I think he has a fixation on ancient times. I wonder sometimes if he would rather be addressed as Y...

Physics
In the old days, on a cold winter night it was common to bring a hot object to bed with you. Which would be better to keep you warm through the cold night - a 10 kg iron brick or a 10 kg jug of hot water at the same temperature? 10 kg iron brick 10 kg jug of hot water WHY?!!

none
turn polar bears white And I will make you cry. I make guys have to pee And girls comb their hair. I make celebrities look stupid And normal people look like celebrities. I turn pancakes brown And make your champane bubble. If you sqeeze me, I'll pop. If you look at me, yo...

AP U.S. History 1920's immigration
who were the immigrants in the 1920's

Physics
yes

orientalism of muslim and arab american
UOP~It makes me laugh that this question has been a problem for years. Even after reading the informaiton in the text, there are additional questions that need to be answered and is difficult to find anything else on this topic.

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