Friday

July 25, 2014

July 25, 2014

Total # Posts: 1,490

**science**

In science we are doing the Metric System and my teacher put done that if you move the decimal place to the right the value lowers. and if you move it to the left it rises. Is that true i always thought it was the other way around

**Math**

yes

**Math**

what do you get when you add: r+r(squared)

**Science**

Is the Control Group in an experiment the object you test on? or the object you dont test on?

**Math**

How do you solve this problem S=2brh+2br(squared) solve for h

**Science**

What is a control group, a indpendent variable and a dependent variable?

**Maths**

If you have a non right triangle that the three sides are given. The sides are a= 38, b=32 and c=40 andthe law of cosine must be used to find angle c what is the measure in degrees or degrees minuites seconds what is the measure of angle C.

**Anatomy and Physiology**

What is the name of the cell part that is "2 rod shaped bodies near the nucleau and Spins the mitotic spindle?"

**history**

education during 1619-1900 Thank you for using the Jiskha Homework Help Forum. Here is an answer another teacher gave to this same question: * history - GuruBlue, Sunday, June 3, 2007 at 5:45pm There is a wealth of material at these sites. http://historyeducationinfo.com/ http...

**science**

Do aliens and ufo's exist? If they do, do they visiit earth? The word "alien" means foreigner or someone different. In that sense, there are many aliens. Are there intelligent beings on other planets? We don't know. We have no scientific evidence of life on o...

**history 1**

How were the children and their education during 1619-1900? http://en.wikipedia.org/wiki/History_of_education http://www.google.com/search?as_q=&hl=en&num=10&btnG=Google+Search&as_epq=history+of+education&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as_nhi=&as_occ...

**history**

How was children and education during 1619-1900? There is a wealth of material at these sites. http://historyeducationinfo.com/ http://www.nd.edu/~rbarger/www7/

**MATHS-geometry**

how do you draw an obtuse angle triangle, construct the perpendicular bisector of each side Draw a triangle with one angle greater then 90 degrees. Find the midpoint of each side. Then draw a perpendicular to each side at each midpoint. The three lines may intersect OUTSIDE th...

**Math**

In the Doubles Game, students can win carnival tickets to spend on games and food. A player pays one ticket to roll two number cubes(six-sided dice). If the numbers match, the player wins five tickets. If a player plays this game 20 times, about how many tickets can he or she ...

**Chemistry**

1) Add HCl to precipitate silver ions as AgCl 2) Add H2SO4 to precipitate calcium ions as CaS04 3) Add H3PO4 to precipitate aluminum ions as AlPO4. 4) Evaporate water to get potassium ions.

**junior/senior projects**

i have until this friday to finish and its a graduation requiriment and i am not done can i have as much info on concession stands and the prices for food Only thing I can think of to do is to find different concession stands and their prices. Matt

**written communication**

plan for interview for a job you would like to have. Consider how you might manage the resume, job-application letter, follow-up letter, and interview. Create a table that lays out a day-to-day plan to use as a job aid for your employment search that spans 3 weeks. Please note...

**unscramble letters**

use the letters in nicole to make a new name

**c programming**

how would you write a program that translates an alphabetic phone number into numeric form enter phone number: CALLATT 2255288 I was given a website for help. However, it didnt help. I would use a table lookup, for speed, do a binary search of the letters. Many other options e...

**C programming**

how would you write a program that translates an alphabetic phone number into numeric form enter phone number: CALLATT 2255288 Thank you for using the Jiskha Homework Help Forum. Here are links about existing programs: http://www.freepatentsonline.com/7065385.html http://www.f...

**Math**

what are the answers to the following questions? 6n+16=26, n=? 8a-6=18 a=? -16-10n=24 n=? 18+14z=-6 z=? etc? show work please? 8a-6=18 a=? 8x?-6?18 8x3-6=18 the answer is 3 6n+16=26 6n=26-16 6n=10 10/6=1.6 n=1.6 -16-10n=24 10n=24+16 10n=40 40/10=4 n=4 18+14z=-6 14z=-6-18 14z=-...

**Honors Algebra II**

A runner and a walker begin on a track (oval shape) 1 mile in length at the same spot and depart in opposite directions. The runner goes steadily at 9 mph while the walker goes at a steady 3 mph. How long before they meet again? Show your work! Let the distance covered by the ...

**Physics-torques**

Suppose that a meter stick is balanced at its center. A 0.27-kg is positioned at 18 cm from the left end of the meter stick. Where should a 0.28 kg mass be placed to balance the 0.27 kg mass? Express your answer in terms of the position (in cm) of the 0.28-kg mass as measured ...

**Physics-Torques**

Suppose you have a meter stick with two masses attached. The mass m1 is 0.60 kg and it is located at x1 = 30 cm from the left (zero) end of the meter stick. The pivot point is located at x = 45 cm. The mass of the meter stick (mms = 0.40 kg) is located at its geometric center,...

**Earth Science**

Please help me out with this question!: Explain how hurricanes form. http://en.wikipedia.org/wiki/Hurricane

**Physics**

ELECTRIC FIELDS AND EQUIPOTENTIAL SURFACES 1.what condition must exist to have a region of nearly uniform electric fields 2.where are regions of strongest and weakest electric fields located Nearly always, there are flat equipotential surfaces. There are exceptions to this. Th...

**science**

What state of matter occurs during boiling? (solid, liquid, gas) gas...'cause the liquid boiling is evaporating? gas

**music**

trying to look for a 7 letter word using music notes cdeeffggaabb is this a damn trick question. best i can do is badge What about cabbage? you are a star, thank you so much

**Science**

A. speed

**Diff EQ**

is the integration of (x-2)^2 = 1/3(x-2)^3 Yes, that is correct.

**Finance**

Can anyone offer help to me by explaining how I can answer this question? The current rate on 5-year T-Notes is 7% and the current rate on 10-year T-Notes is 9%. What should you expect the rate to be on 5-year T-Notes in 5 years? I am not looking for the answer directly, just ...

**science**

what are the vegetable parts of a plant? i have no idea

**physics- torque**

If the torque required to loosen a nut on the wheel of a car has a magnitude of a 40.0 N*m, what minimum force must be exerted by a mechanic at the end of a 30.0 cm wrench to loosen the nut?

**math**

i need help on a proof, can anyone help? please HELP!!!! me on the difference between 3/4 and 1/3???????? You have to find the common denominator of 3 and 4, which can be 12. The first fraction becomes 9/12 and the second becomes 4/12. 9/12 - 4/12 = 5/12.

**math**

what is the proper name for a 5 pointed star with reference to a geometric name? pentagram the proper name for it would be pentagram!

**math**

Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in a 24-hour period. Julio samples about 120 bottles an hour and rejects the line if he finds more than 1/50 of the sample to be defective. About how...

**pysics**

since mass and radius dont matter. Shouldnt the final velocities of a cylinder and a sphere at the bottom of the ramp be the same? No. You have to consider where the mass is. Calculate moment of inertia. See the problem you asked below. items dropped at different heights,do th...

**PHYSICS**

HOW DO YOU FIND THE VELOCITY OF A 20 kg SOLID CYLINDER WITH A .25 m RADIUS WHEN IT IS RELEASED FROM THE TOP OF A 10 m LONG RAMP INCLINED AT 30 DEGREES? The potential energy at the top is mg10/sin30 The Ke at the bottom is 1/2 mv^2, plus 1/2 Iw^2 but w= v/r so KE = 1/2 mv^2 + 1...

**physics**

(a) 2.0 kg of molten copper at its melting point of 1083 ºC (the copper is 100% liquid) is poured into a mold in a cooling water bath at 20 ºC. What mass of water is needed to bring the solidified copper and water to an equilibrium temperature of 30 ºC, assumin...

**physics**

An Atwood Machine has a pulley of radius Rpulley = 0.25m, and mass Mpulley = 6.0 kg with two blocks with masses m1 = 5.0 kg, and m2 = 10.0 kg. Treat the pulley as a uniform disk. a) Find the acceleration of each block. b) Find the angular acceleration of the pulley. c) Find t...

**Grammar**

In the following sentence: "These beginning songs are not my favorite part of the album, but I feel that each play an important role in the album." Would "play" have to be "plays." I know that each is a singular pronoun, but are we referring to th...

**geometry**

What geometric postulate justifies statement: if AB is congruent to CD and CD is congruent to EF, then AB is congruent to EF. Two geometric objects that are congruent to the same third object are congruent to each other.

**Science - Physics**

When a projectile is fired horizontally, which of the components of its motion is (A) motion at constatnt speed (B) uniformly accelerated motion (C) If the initial velocity of the projectile is increased, what effect will this have on the time it takes the projectile to fall t...

**physics**

A student sits on a freely rotating stool holding two weights, each of which has a mass of 3.00 kg. When his arms are extended horizontally, the weights are 1.00 m from the axis of rotation and he rotates with an angular speed of 0.750 rad/s. The moment of inertia of the stud...

**math, calculus**

What is the antiderivative of the square root of the quantity (1+x^2) http://torte.cs.berkeley.edu:8010/tilu This lookup is very good.

**math, calculus**

if f(1)=12 and f' is continuous, what is the value of f(4)? integral from 1 to 4 of f'(x)dx = 17 IF the integral of f'(x) dx from 1 to 4 is 17, as you say, then the function f(x), which is the integral with an arbitrary constant, changes by 17 from 1 to 4. Then the...

**math, calculus**

find the derivative of the function y= integral from square root of x, to x cubed of (square root t * sin(t))dt

**math, calculus**

Use the MVT to prove: absolute value of (sin(a)-sin(b)) is less than or equal to the absolute value of (a-b) for all a,b

**physics**

A glider of mass m1 = 10.0 kg initially moving towards the right at a speed of v1i = 2.00 m/s on a frictionless airtrack collides with a spring attached to a second glider of mass m2 = 4.0 kg initially moving toward the left with a speed of v2i = 5.00 m/s. The spring constant ...

**science**

why does sedimentaray rock form in layers It was deopsited in layers. Please read: http://en.wikipedia.org/wiki/Sedimentary_rock

**Math-approximation with fractions:7th grade math**

i need help 2

**acids and alkalis**

Acid: Vinegar Mayo Lemon juice Coke Aspirin Car battery Alkali: Oven cleaner soap cleaning fluid Baking soda Toothpaste Mouth wash

**physics**

if the height of a playground slide is kept constant, will the length of the slide or the presence of bumps make any difference in the final speed of kids playing on it if a) the slide is frictionless b) the slide has kinetic friction? a) if the slide is frictionless, length o...

**physics**

if a rocket engine delivers a constant thrust, does it deliver more power as the rocket speeds up force = mass*(acceleration) if the rocket accelerates, the force will increase wow,uh constant thrust means it is delivering constant power. the kenetic potential of the rocket in...

**Pigskin Geography**

I need help with pigskin geography week #4 number 12. Thanx :)

**Pigskin Geography**

My question is for week 4 #12. the question is " September 23, 18-6 is the date Lewis and Clark returned to the city near where the wxbedition began. Which host team might salute therir feat at a half-time observance?

**Pigskin Geography**

Help with Week 4 number 12. :)

**science**

why does a egg lose weight after being in corn syrup overnight? Which way will fluid travel in osmosis? IS THERE ANY NEW PROECTS

**Life Science**

where is a good site, book,or encyclopedia that you know of and what is it called?I need to know so I can finish my poster of ocean intertidal zone biome.Plus its due in two days!!! you cam try w i k i p e d i a . c o m

**science**

3 meters

**science**

why are stars shaped in a star form All stars are spheres. Their own gravity forces then to take that shape

**English passage interpretation**

I see irony in this passage, because the literal words of the author do no match up with the overall feeling of the passage. I lean more to the idea that the author's purpose it to show the wild,animalistic nature of the swamp. I agree that considering the author is a huma...

**Neon**

i need a slogan for neon *stupid science teacher*

**Chemistry**

Iron ore consists mainly of iron III oxide. When iron III oxide is heated with an excess of coke(carbon), iron metal and carbon monoxide are produced. Assume that even if an excess of coke is not present that the reaction proceeds as described. A)write a balanced equation for ...

**AP chem!!!**

Iron ore consists mainly of iron III oxide. When iron III oxide is heated with an excess of coke(carbon), iron metal and carbon monoxide are produced. Assume that even if an excess of coke is not present that the reaction proceeds as described. A)write a balanced equation for ...

**Social Studies**

Who were the Sioux and what did they do in their everyday lives? Since this is not my area of expertise, I searched Google under the key words "Sioux Indians" to get these possible sources: http://www.newadvent.org/cathen/14017a.htm (Broken Link Removed) http://www.s...

**word unscramble**

ARIOTECP and its not Operatic or Aporetic

**eth**

What information about race and ethnicity in the United States has helped me better understand or relate to specific minority groups? Have you learned something new about your own cultural history? I am sure the teacher wants YOUR opinion and not mine. So just think about how ...

**Government**

Has the Supreme Court acted legitimately in creating and interpreting the right of privacy? Use Cas law to jusify. Is the Freedom of the Press still a right worth preserving? Why or Why Not? Once you have posted what YOU think about these questions, someone here will be able t...

**another algebra word problem**

okay guys, just one more word problem. and i don't think this one has any typos in it: The perimeter of a rectangle is 27 cm and its area is 35 square centimeters. Find the length and the wide of the rectangle. i just need help getting it started... Ok P=27cm where P is th...

**algebra**

a chemist mixes an 11% alchohol solution with an 8% alchohol solutoins. How many milliliters of each solution should he use to make a 600ml solution that is 8% alchohol solution? Why wouldn't we just use 600ml of the 8% solution to begin with? So 0ml of the 11% and 600ml o...

**Stoichiometry problem**

how many moles of aluminum chromate Al2 (CrO4)3 in a sample of aluminum chromate that contains 6.20 x 10^14 atoms of chromium?

**Ethics**

no yes

**Math**

I don't even know where to begin on this problem... The function f(x) is an unshifted exponential function which goes through the oints (2,5) (3,4). a)What is the equation for f(x)? b)write f(10) and f(100). If it's an exponential function then we know f(x)=a^x. The fa...

**Math**

I just don't understand this question: h(t)=A*b^x h(3)=4 h(5)=40 Solve for b Would you plug 3 into the x and set it equal to 4? (4=A*b^3) How would you solve for that because in the next question they go on to ask you to solve for A using the b you found... Almost looks li...

**Math**

Can someone walk me through these becuase I'm just not getting it.... Let f(x)= 3 x 4^x. A.) 16f(x)= f(x+2) B.) f(x)= f(x-1) The quickest way to answer this question is to try different test values for x. My favorite was the number 13. Set x to 13, and see if A and/or B ho...

**Math**

How would you solve for A 5 x 3^(x+2)= A x 3^(x) Please help me, I have loads of problems like this on my homework assignment and I just can't seem to figure it out Well, we could divide both sides by 3^x couldn't we? We know it's never 0, so there's no divisio...

**Problem Solving Math**

1+3+5+...+2009

**Problem Solving Math**

1+3+5+...+2009

**mathh (unit rate)**

Trave 250 mi in h need the unite rate for each situation

**orientalism of muslim and arab american**

I believe since we are all here from U of P then we should have this link on our homepages.lol By the way, this assignment really sucks.lol Im still clueless.

**quote meaning**

this quote is a philosophical quote about existence, but that's all i know!! can someone please help me by giving it a meaning or by analyzing it? "time is the substance from which i am made. time is a river which carries me along, but i am the river; it is a tiger th...

**sociology**

Im in the same class as well ETH125. you think that they woul dchange so that no one would copy papers. as in com classes they are easy, well that is if you lik etoy write my other class in SCI275 good luck in finding teh answers i know that i got mine. LOL

**eth125**

decribe other measurements sociologists use to calculate prejudice

**writing**

How would you encourage a reluctant peer reviewer? What is your thinking on this? The question has been asked over the past few weeks several times, with good answers. I, and others, will be happy to critique your thinking. Please go to the site listed below. Read it carefully...

**math**

$340,000 in budget for 210 employees inyr 1988, in1989 there were 267 employees with same budget. What should've been budget for 1989 and what was % of change from 1988 to 1989? Show me the formula for the answer Nicole: The way this works is that you do as much of a probl...

**math**

27 letters in 1988, 18 letters in 1989 what is % of change? *need to know how you arrive at the answer Didide the change (-9) by the original value (27), and convert that fraction to a percentage. I'll be glad to critique your answer.

**math**

if 6% of a number is 14, what is 13% of the number Let X = the number 0.06X = 14 Solve for X. Then 0.13X = ?? Post your work if you want us to check the answers.

**Algebra PLEASE HELP!**

If y varies directly as X and X=88 when Y= 110, find X whaen Y=70 Set up a proportion: 88/110 = X/70. solve for X.

**P.E.**

i live in california and it gets really hot around 105 lately. Can a pe teacher make us run is this kind of heat??? The PE teacher has little control over the temperature in California, but she can control how you get fit...and the teacher is trained on how to do it safely. no...

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