# Posts by JJ

Total # Posts: 1,057

**calculus-limits??**

i keep on doing something wrong on this problem,i guess im forgetting to add or subtract some number. use f'(x)=lim h-->0 f(x+h)-f(x)/h to find the limit: lim h-->0 sin^(3)4(x+h)-sin^(3)4x/h

**math**

What are the number in the magic square of 4 by 4 if the magic number is 38?

**Chemistry**

Christ lover, you're a life saver!!!

**Art history**

Can you tell me if these sculptures have open or closed contour? I can't post the link but if you search the name and the numbers it should show up. Sculpture 1: Mother and Child [1979.206.121] Sculpture 2: Virgin and Child [33.23]

**Intro to art history**

I have to write a paper comparing two art sculptures. I have write if it's an open or closed contour but I don't know what that means.

**Accounting**

What kind of companies (industries) have negative cash flow from investing activities? And what kind of companies have positive cash flow from investing activities?

**chemistry**

describe the general characteristics of metals, nonmetals, and metalloids.

**Algebra**

Thank you for your help.

**Algebra**

John's insurance company will replace his car if repair costs exceed 80% of the car's value. The car recently sustained $8000 worth of damage, but it was not replaced. What was the value of his car?

**physics**

A tin can is filled with water to a depth of 30 cm. A hole 11 cm above the bottom of the can produces a stream of water that is directed at an angle of 34° above the horizontal. (a) Find the range of this stream of water. (b) Find the maximum height of this stream of water.

**physics**

Water flows in a cylindrical, horizontal pipe. As the pipe widens to twice its initial diameter the pressure in the pipe changes. Calculate the change in pressure between the wide and narrow regions of the pipe. Give your answer as an expression in terms of the density of ...

**ITALIAN**

hello, can anyone translate this? could be a poetic-like translation. i just can't seem to make sense out of this, when i use a dictionary or an online translator. help please! thank you. "Si che morte Si che morte e lontananza Provi incor pena infinita che sol perde ...

**language arts**

i need help with my novel : watership down by richard adams

**german**

these are SO helpful. thank you so much. i will definitely check out the website. thank you

**GERMAN**

Wie war das in der Kindheit? 1. Als ich Kind war, ___ ich immer radfahren. will woll wolle wollte wollen 2. Als du Kind warst, ___ du nicht allein über die Straße gehen. darfte durfte darfst durftest dürftest 3. Als Monika Kind war, ___ sie nicht, daß es ...

**german**

Reiny, thank you. is there anyway you can tutor me/ help me online with my german? please let me know

**german**

Mein Mitbewohner hat alles umgestellt! Gestern waren die Musikbozen hinter (1)_____ Sofa. Aber Jurgen hat sie unter (2)____ Tisch gestellt. Das Telefon war auf (3)_____ Tisch. Aber Juergen hat es an (4)____ Wand gehaengt. Die Pflanze war in (5)_______ Ecke, aber jetzt ist sie ...

**physics**

A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 36.0 directed at an angle of 40.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the ...

**physics**

A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 36.0 directed at an angle of 40.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the magnitude of the ...

**algebra**

Thanks for this...I am so confused on it?!?

**algebra**

Thank you, but how does the x play into it,that is where I was confused at?

**algebra**

find the slope: x+5y=10

**algebra**

Thanks, I got it.

**algebra**

how do I do that?

**algebra**

a roof rise 2.7 feet vertically and 8.2 feet horizonatally. what is the grade of the roof?

**algebra**

Thank you!

**algebra**

find the slope for 8x-y=8

**math**

don't no

**History**

200

**Misc.**

What is the penultimate day of the year? Dec. 30th?

**Math-Probability**

Thank you, that helped out a lot!

**Math-Probability**

A deli offers its cheese sandwich with various combinations of mayonnaise, lettuce, tomatoes, pickles, and sprouts. 8 types of cheese are available. How many different cheese sandwiches are possible?

**math**

this fraction as an equivilent fraction in its lowest term 42 over 105

**History**

How did human history in North America during the period described in the Prologue differ from the events of Asia, Eurasia,

**MGMT/216**

What do you consider to be a source of ethics? What environmental factors contribute to ethical behavior? How are business ethics developed? Explain your answer

**Epidemiology**

To examine the association between high blood sugar and glaucoma, a group of 3154 people was observed for a period of 20 years in the NYC metropolitan area. The study participants were middle age epidemiologists working in the tri-state area. Participants received a free ...

**Algebra**

she feels sooo good around the waist can you help me

**Geometry**

Will any kite tessellate the plane? why or why not?

**Geometry**

Thanks! That makes a lot of sense!

**Geometry**

If rectangle ABCD has a larger area than rectangle EFGH, does it follow that ABCD must have a perimeter larger than that of EFGH? Why or why not.

**math**

Geometry, I will put that in the subject box next time!

**math**

thanks to both of you for your help!

**math**

Will a non-regular acute triangle tessellate the plane? How do you know?

**Geometry**

Will a non-regular acute triangle tessellate the plane?

**Geometry**

The length of a median of a triangle is 36 units. How many units from the vertex is the median?

**Math**

If ab U ac is a line, what is true about A, B, and C?

**Physics**

6.34

**Math**

Thanks for the site. Is this the right formula: P(-1 < z < 1) = 0.683

**Math**

Suppose scores on an IQ test are normally distributed. If the test has a mean of 100 and a standard deviation of 10, what is the probability that a person who takes the test will score between 90 and 110?

**SOCIAL STUDIES**

Thanks the summary was a great help!

**SOCIAL STUDIES**

Thanks for the link, however, It is very hard to understand. Do you know where I can find it in kids terms?

**SOCIAL STUDIES**

I am trying to understand what congress cannot do, but its confusing.

**EARTH SCIENCE**

No it is an oblate spheroid

**EARTH SCIENCE**

I need four reasons the layers of the egg compare to the earth. so I have three 1. The shell compares to the crust 2. The white compares to the Mantle 3. The yolk is the core Then they also want : describe two other ways the egg compares to the earth. Can't think of any ...

**science**

its a guess

**Pre-Algebra**

why is there those stupid spaces??????

**social studies 11**

what attitudes do you think contributed to support for the evacuation of japanese-canadians during world war II? Give evidence

**algebra**

yess

**please edit**

allright thanks so much!

**please edit**

At the age of 12 I had developed a great interest in the art of Acting. Acting has always been a passion and a part of me. What I like about acting is that you can go on a stage or in front of a camera without worrying about what people will think because chances are you'...

**us history**

I was working on a US History crossword worksheet titled The English Colonists Arrive. I am trying to find the answer to the sole right to trade in an area. This wksht is due tomorrow.

**math**

if rs=8y +4, st =4y,and rt=15y-9. find value of y. find rs, find st, find rt

**math**

if rs=3x+1, st=2x-2, and rt= 64. find value of x. find rs. find st.

**math**

find counterexample the quotient of two proper fractions is a proper fraction

**Math**

the number on the right of the other number is greater

**Algebra**

A PIECE OF TIN IS TWICE AS LONG AS IT IS WIDE. IT IS TO BE MADE INTO A BOX BY CUTTING 2 INCH SQUARES FROM EACH CORNER AND FOLDING UP THE SIDES . FIND THE DIMENSIONS OF THE PIECE OF TIN IF THE VOLUME OF THE BOX IS 320 CUBIC INCHES

**business**

..

**Alegebra**

Given the function K described by K(x)=x+16. find each following. K(0)=16 K(-13)=3 K(-14)=2 K(8)=24 K(c+17)=C+33 Please check this problem see if is right.

**Math**

If f(x) = 2 \ln(8 x+4\ln(x)) find f'(2)

**CHEMISTRY**

A titration of 15.0 cm3 of household ammonia, NH3, required 38.57 cm3 of 0.78M HCl. Calculate the molarity of the ammonia. PLEASE SHOW ME HOW TO SOLVE THIS. Thank you very much!

**CHEMISTRY**

Calculate the volume of 0.6M HNO3 necessary to neutralize 28.55 cm3 of 0.45M KOH. PLEASE SHOW ME STEPS SO THAT I CAN UNDERSTAND HOW TO SOLVE THIS PROBLEM. THANK YOU.

**Chemistry (urgent!)**

A titration of 15.0 cm3 of household ammonia, NH3, required 38.57 cm3 of 0.78M HCl. Calculate the molarity of the ammonia. Please show steps so that I may unders tand how solve this. Thank you

**algebra**

Find the slope, it it exists x+7y=14 x=7y/14=2 check this problem for me please

**Alegebta**

Find the slope if its exists Y=-7X+3 7x-4 x=11 Is this right.

**Alegebta**

y-5>-14 y=-5-14= y=9 is this right. 4x-12=3y 4x-12=3y I do not how to finish this could please help me

**Alegebra**

How did you get -1/7 I am still confuse

**Alegebra**

Find slope x+7 y=14 x+7y=14 x=2 check this problem see if I got it right.

**algebra**

8x-11 < -27= 8x+11< -27= 8x=ll-27 8x=-16 x=-2 Check this problem.

**PHYSICS!**

A projectile is fired with an initial speed of 32.5 m/s at an angle of 61.4° above the horizontal. The object hits the ground 7.55 s later. What is the absolute value of the difference in height between the launch point and the point where the projectile hits the ground?

**PHYSICS!**

A projectile is fired with an initial speed of 32.5 m/s at an angle of 61.4° above the horizontal. The object hits the ground 7.55 s later. What is the absolute value of the difference in height between the launch point and the point where the projectile hits the ground?

**Proofread 6-page Essay Due Tomorrow?**

I realize this is very last minute. I wrote a 6-page history paper on the topic of civil rights and I want someone to read it over before 3pm tomorrow, if that's possible. thanks!

**physics**

Mercury orbits the Sun with an everage speed of 47,800,000 m/s. About how long does Mercury take to orbit the Sun? I'm quite confused.

**2nd grade**

do you know how to say I want to play in german please. answer it if you can.

**mah**

what is the roman numeral for 26? XVVI XXVI LVL XXIV

**2nd grade**

what is 150 plus 1000.

**2nd grade**

uh uh uh.....oh yeah. uh uh uh isnt a question.I was just borde.from Jj.

**2nd grade**

uh uh uh.....

**2nd grade**

jika sa bagit

**2nd grade**

what is an addition sentence

**cooking**

how to make a ginger bread man

**problem solving**

If you toss a number cube 20 times could it land on six 20 times. why or why not.tell about it.

**decimals**

How would you say this decimal in word form? 2,537.581

**Maths**

2/3

**4th grade**

I don't know too.

**5th grade**

what is a car pool?

**elementary ????**

what about data line and graph.

**fractions, decimals,and percents**

What are some everyday uses of fractions, decimals, and percents? FIND TWO OR THREE USES!

**fractions, decimals,and percents**

What are some uses for fractions, decimals, and percents? FIND AT LEAST 2 AND TELL WHY!

**1st grade**

its like hour our and butt but and buy and steal and steel and wok and walk.

**2nd grade**

what is the scrambled word for this oedown?