Wednesday
April 16, 2014

Posts by mark


Total # Posts: 1,221

3rd grade
198+864=1062

Math
I dont think that is right answer is x=4 not sure how

Math
Solve. log(x^3)-log(2)=log(2x^2)

math grade 12
Solve. log(x^3)-log(2)=log(2x^2)

arithmetic
0.031

3rd grade math
write each addition vertically.decide which new groups you will make.then,add to see if you were correct. 256+1273___________ a new ten?____________ a new hundred?_________ a new thousand?____________ need answers and please explain

3rd grade
write addition vertically.decide which new groups you will make.then add to see if you are correct. 256+1273_________ a new ten?________ a new hundred?___________ a new thousand?_________ i need answer and explain how

chem
When 13 grams of a sample cools from 56c to 34.4cit loses 25.8 Joules of heat. What is the specific heat of the sample?

physics
I actually don't know where the 2s and 3m came from, I think it was a typo on my MSWord

physics
A motorist travels at a constant speed of 34.0 m/s through a school zone; exceeding the posted speed limit. A policeman, waits 7.0 s before giving chase at an acceleration of 3.9 m/s2. (a) Find the time required to catch the car, from the instant the car passes the policeman. ...

CALCULUS! PLEASE HELP URGENT!
I think it does. For answer choice one correct?

CALCULUS! PLEASE HELP URGENT!
I think all three of them have derivatives because when I put them into the calculator, I saw no discontinuities. but i am debating if it's II and III.

CALCULUS! PLEASE HELP URGENT!
Which of the following functions have a derivative at x=0? I. y= absolute value(x^3-3x^2) II y= square root(x^2+.01)- absolute value (x-1) III y= e^x/cosx

health
Strategies to improve patient intake

Algebra
translate to an inequality. a number is at least 10. the answer is ? ? ? use x as the variable. Thank you

Chemistry
what is the balanced equation? how do i convert moles of CH4 and Cl2 to moles of the product??

algebra
what numbers factor 25x^2 - 10x + 126

9th grade, Biology honors
That it is like diffusion but with water.

Spelling/Literature
Can you put streamline in a sentence with this definition:a teardrop line of contour offering the least possible resistance to a current of air, water, etc.

Poetry
Ok

Poetry
Thank you!

Poetry
Algebra is useful math. Lots of people enjoy it. Getting the hang of it is pretty hard. Everyone learns it sometime or another, But some are brave enough to show it off. Rapid fire algebraic equations are given to solve All but half the class get them right. does this make sense

Poetry
I need to write a poem with the word ALGEBRA but the only problem is that my teacher wants complete sentences with each letter instead of a word for a letter. Can you please help?

Math
How many 8 by 12 shelves can u get from a 36 by 56 piece of plywood

4th grade math
Identify one way outside of schoo in which you have seen #'s ordered.

math
The sum of my ones and tens digit is 10. My tens digit is greater than my ones digit. I am a prime number. What number am I?

Biochemistry
Explain in detail whether or not a single amino acid could be an effective antigen and how a single amino acid substitution could affect ligand binding?

Reading: Summary
This article is about a man named Dan Phillips who builds low income, but yet attractive housing out of salvaged items. He builds his houses in Huntsville, Texas. He is currently still building houses and he started in Huntsville, Texas. Dan Phillips uses materials such as cor...

Reading: Summary
I used some of your suggestions and came up with this. This article is about a man named Dan Phillips who builds low income, but yet attractive housing out of salvaged items. He builds his houses in Huntsville, Texas. He is currently still building houses and he started in Hun...

Reading: Summary
Should I explain some of his customer reviews or describe the way he builds the houss or would that be redundant?

Reading: Summary
This article is about a man named Dan Phillips that builds low income, but yet attractive housing out of salvaged items. He builds his houses in Huntsville, Texas. He is currently still building houses and he started in Huntsville, Texas. Phillips started building houses to pr...

Reading: Summary
Thanks i'll try that strategy

Reading: Summary
Can you help me summarize this article in 2 paragraphs? Ny times website ome mans trash please can you search it and help?

biochemstry
Look at biochem testbook. "Acetal CoA is a cental character in the cellular metabolism... [through which] all the energy sources (fats, proteins, and carbohydrates) are interconvertible". Acetyl CoA is the correct answer.

java programming
could someone help me create a source code that requires you to enter 2 numbers then gets the sum, difference, product and quotient of them after entering

Economics
Which of the following items contribute(s) to an increase in real GDP? (i) The cost of cleanup after a hurricane hits Florida (ii) The market value of burglar alarms purchased to reduce crime (iii) The additional health care costs associated with smoking (iv) The production of...

physics
a table exerts a 2.0 -newton force on a book lying on the table. how much force is exerted by the book on the table?

managerial economics
Price 1 is 50, price 2 is 38.78. Quantity 1 is 100, quantity 2 is 169. solve the price elasticity of demand. what if our goal is to decrease price by 14% what if our goal is to raise quantity from 169 to 300 by how much percentage we should decrease price? -2=%Q/P

economics
aztec enterprises depends heavily on advertising to sell its products. management at aztec is allowed to spend $2million monthly on advertising, but no more than this amount. each month, aztec spends exactly $2million on advertising. what is aztec's elasticity of demand fo...

english/poetry
yfgqwdufgweufg

5th grade Science
Why does a multicellular organism need specialized cells and why their apperances are different?

Radioactivity
helium nuclei? positron/electron? photon? im not too shure.

calculus 2
f(x) = { 2 if x ! [0, 1) −1 if x = 1 3 if x ! (1, 2] −5 if x ! (2, 3) 20 if x = 3 } Prove that the function is Riemann integrable over [0, 4] and calculate its Riemann integral over [0, 4].

financial management
Callaghan Motors' bonds have 25 years remaining to maturity. Interest is paid annually, they have a $1,000 par value, the coupon interest rate is 12%, and the yield to maturity is 5%. What is the bond's current market price? Round your answer to the nearest cent.

financial management
Callaghan Motors' bonds have 25 years remaining to maturity. Interest is paid annually, they have a $1,000 par value, the coupon interest rate is 12%, and the yield to maturity is 5%. What is the bond's current market price? Round your answer to the nearest cent.

Math, easy Q
Sorry, really messed up the wording

Math, easy Q
Does /-- ( Radical 7/10 ) = / 7 /-- ( Radical 70 over / - \/ 70 10 ) \ / 10 __ 10

help please
calculate A, B in this equation: 1000 A B sigma ai =( sigma ai) - (sigma ai) i=60 i=60 i=2

spanish
they asked you at what age she got married= caso

calc 2
Calculate A, B in the following equation: 1000 A B Ó ai = Ó ai - Ó ai I=60 i=2 i=2

codes and ciphers
i am trying to find the code example on the page:C=E D=G I=S K=C V=L Y=F

codes and ciphers
what is the type of cipher or code used on edhelper work sheets?

science
oh okay thank you

science
Stars by Cindy Grigg

science
but i dont have the complete story to finish it!

science
does anybody have an edhelper account i can use for my home work?

calculus
find the area of the region inside the circle r = 3sin(teta) and outside the cardioid r = 1 + sin(teta)

Help calculus 2
find the area of the region inside the circle r = 3sinè and outside the cardioid r = 1 + sinè

math
Determine whether the graphs of lines with the given Equations are Parallel, Perpendicular or neither. Eq#1 2X + 3Y = 4 and Eq#2 Y = - 2/3 X + 8

math
dont every curse at me again

math
I have to find the rule of each line can you help? 1.3,3.3,4.5,6.5,7.7,____,_____,_____ Rule:_______________________ 14.8,15,13.2,13.4,11.6,____,____,____ Rule:_______________________ 4.8,9.6,8.9,17.8,17.1,_____,______,_____ Rule:_______________________

Microeconomics
heya

Microeconomics
heya

8th Grade Science
At what temperature is water the most dense?

8th Grade Science
If we say that gold has a density of 19.32 g/ml, at what temperature is this substance?

French
Could you please check my answers thank you so much:) Use the verb pouvoir or vouloir Ah, je regrette, mais je ne ------- pas. À la télé, il y a ... Answer: Peux Si je comprends bien, tu ne ------ pas faire le dîner, parce que tu ------ regarder la t...

math
thx man

math
I know that (n+1)! = n!(n+1) but how would i solve the factorial: (2n+3)! thank you.

math
1296

math
what is the area of a square with a side of 36 in. ?

math
what is the formula for the area of a trapezoid? please include a diagram

algebra please help
how much of 12.5% of skylite red pigment needs to be mixed with 20% macintosh red pigment to get a 17% red pigment?

french
i need to unscramble these french words: chupket and mèrce. they are in the food catagory

math6
1/2, 3/8, 1/4, 0/2, 4/4, 7/8

need help math
Solve the problem. Roberto invested some money at 7%, and then invested $2000 more than twice this amount at 11%. His total annual income from the two investments was $3990. How much was invested at 11%?

algebra interest word problem
Solve the problem. Roberto invested some money at 7%, and then invested $2000 more than twice this amount at 11%. His total annual income from the two investments was $3990. How much was invested at 11%?

algebra
Solve the problem. Anne and Nancy use a metal alloy that is 24.9% copper to make jewelry. How many ounces of a 20% alloy must be mixed with a 27% alloy to form 100 ounces of the desired alloy?

algebra time and distance
Karin biked at 13 mph for a time but got a flat tire. She then walked at 5 mph. She traveled a total of 93 miles. Had she biked the whole time, she would have gone 117 miles. How many hours did she walk?

algebra
Marty leaves the airport in his private plane and flies due east at 186 mph. Two hours later, a jet leaves the same airport and flies due east at 434 mph. When will the jet overtake Marty's plane?

algebra
Solve the problem. Helen Weller invested $15,000 in an account that pays 12% simple interest. How much additional money must be invested in an account that pays 15% simple interest so that the total interest is equal to the interest on the two investments at the rate of 13%?

college algebra
the tests improve by 3 points, therefore: test 1 x test 2 x+3 test 3 x+6 test 4 x+9 the mean is the sum of the test scores divided by the number of tests. also, we know the mean = 69.5% therefore, we get the equation: (4x+18)/4 = 69.5% 4x+18 = 278 4x = 260 x = 65 therefore the...

Another astronomy (algebra-based physics) question
I’d prefer thorough solutions, but if you can only provide formulas that would solve each part of the problem, that’d be helpful too :-) Thanks! Spinning too fast The rate of rotation of astrophysical objects that are held together by gravity (e.g., stars or planets)...

Astronomy (algebra-based physics)
Extrasolar planets There are currently 340 known extrasolar planets, i.e., planets around other suns. Most of them we infer only by their gravitational pull on their host stars, and a handful appear to dim the light of their host star as they transit in front of the star. In N...

Astronomy/Physics
I'd love thorough solutions to these problems, but simply providing the specific formulas that I should solve each part of the problem with would be really good too. :-) Thanks! Human energetics You are sitting down to study in the library. Let’s find out what limits ...

Physics - solar power in space
Hi, this requires some basic knowledge of astrophysics. I missed last lecture that covered this, so though I'd prefer thorough solutions to these problems, I'd appreciate it even if you could tell me which formulas to use to solve each part of the problem. Thanks! NASA...

Math
That's exactly why I said "quite" before I said "a few." Thanks for your help.

Math
I've got quite a few problems. Please answer any of them in whole or in part. Thank you in advance. (For the record, you're not doing my homework; you're helping me understand it. These problems were not assigned.) (1). Determine the discontinuities and whether or ...

Math: Probability
I need help. Here's the queston. Julia has 3 red marbles, 4 blues,3 yellow and 6 black in a bag. She takes one out at random. The probability its black ___ The probability its yellow ___ The probability it isnt red ___

Math
I am trying to find the percentages of different numbers. How do i find them? for example 83%of 6

social studies
I need to know about confidentiality of a person living with H.I.V.I would like to know if u know a person that is living with this virus can u tell others about this person.Is their any law that prohibits me of this

algebra d=rt word problem
Ahh, I kept reading the problem wrong and thinking it said 1/2 the time rather than a 1/2 hour less time so I was setting up the problem with 36(t/2) instead of 36(t-1/2). Thanks for your help!

algebra d=rt word problem
A car travels from one town to another at a speed of 32 mph. If it had gone 4 mph faster, it could have made the trip in 1/2 hour less time. How far apart are the towns.

math algebra
OOOH! I see, thanks for the help!

Science
Kelp

Science
Choose the plants from the following list that you would find in the lower shore area of the rocky shore. Kelp Lichens Irish moss Rockweed

Spelling
Thanks guys

Spelling
galactose is a monosaccharide commonly occurring in lactose.

Spelling
can anybody think of a sentence with galactose?

Math
thanks

Math
How many m^3 is 4.6cm^3 ? How do I start solving this

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