# Posts by Juan

Total # Posts: 280

**Chemistry**

912 mm Hg to standard atmosphere

**physics**

How much potential energy does a 20-kg barrel have when it is in the truck whose floor is 5.0 m above the ground?

**Goemetry**

(2x+50) (8x+8) solve angle degree

**chemestry**

given 43 moles of KCl how much HNO3 is needed to complet the reaction

**chemistry**

Explain jhow you would make 400 milliliters of an 18% solution from dry glucose and distilled water.

**Earth Science**

rank the layer from the coldest to the hottest

**8th grade science**

Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved stretches at either end. Where on the track does Peggy experience balanced and unbalanced forces? Explain your answer.

**Science**

Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved stretches at either end. Where on the track does Peggy experience balanced and unbalanced forces? Explain your answer.

**8th grade science**

Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved stretches at either end. Where on the track does Peggy experience balanced and unbalanced forces? Explain your answer.

**8th grade**

two children are fighting over a toy pull on it from opposite sides .the result is stand off.explain this term of the net force

**physics**

Hi Chris

**physics**

a body is thrown downward with an initial speed of 20.0 m/s on earth. what is the acceleration of the object

**math**

How do you find the rule of the sequence if the 2nd term is 40057.07 and the 5th term is 19192.53

**MAth**

Make a tally chart for the numbers of students in the third-,fourth-,and fifth-grade classes:26,25,27,27,26,28,27.

**Business Law**

What are the elements of a contract under common law? Explain what gaps in a contract can be filled by Article 2 of the UCC? What is the difference between a shipment and a destination contract in Article 2 of the UCC? Jason shipped a truckload of peaches from his orchard to ...

**Business Law**

What are the elements of a contract under common law? Explain what gaps in a contract can be filled by Article 2 of the UCC? What is the difference between a shipment and a destination contract in Article 2 of the UCC? Jason shipped a truckload of peaches from his orchard to ...

**Math**

what is the like term method ?

**mgt330**

Intrinsically Motivated

**chemistry**

If we suppose that Kw = 1.0x10^-14 at 25C, would it be larger or smaller at 100C? What is the value of K for the reaction 8H + 8OH = 8H2O at 25C? Would this value be smaller, or larger, at 100C?

**chemistry**

Why is it that biochemists often remember the pKa of weak acids, rather than Ka?

**11th grade science**

Earth is 1.5 x 10ü km from the sun and Pluto averages 5.9 x 10 km from the sun during its rather strange orbit. How many years does it take Pluto to revolve around the sun?

**Grammar**

God created the heavens and the earth. What are the verbs in this phrase

**Earth Science**

Select all of the answers that apply. A map _____.

**5th grade**

partial quotients to divide 9 306

**Algebra 1**

What is the advantage of buying a magnetic bulletin bored

**9th grade**

To find a sales tax of 6% on a purchase of $90.00 using the proportion method you would write the following: 6/100 = ST/$90 The calculations in this problem would give you the following: (ST)= $540.00

**Computer**

START If 'psuedocode' = hard Stop ENDIF

**alg math 116**

9x +3y=-51,-5x +y=39 solve using substitution method

**maath 116**

3. The linear equation represents an estimate of the average cost of gas for year x starting in 1997. The year 1997 would be represented by x = 1, for example, as it is the first year in the study. Similarly, 2005 would be year 9, or x = 9. a) What year would be represented by...

**math 116 appendix d**

y=-1/2x-4 Complete the table for this equation. x y (x,y) -1 -2 -4 2 8

**math 116 appendix d**

b) Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost $60 and each tree is $84, what is the maximum number of trees you can buy with a budget for rock ...

**Physics**

A satillite is orbiting the earth at a distance of 1.00X10^3 km above the surface of the earth. What is it's speed?

**Physics**

(a)Compute the value of G at a point in space that is 7.0X10^6 m from the center of the earth. What will be the value of G at a point with a radius twice that in (a)?

**Physics**

At what speed must a satellite of a mass M be launched horizontally at the surface of the earth if it's orbit is to be a circle just grazing the highest mountains?( assume no air resistance). How much time would elapse between successive passes of this imaginary satillite?

**physics**

A car weighing 9800 N travels at 30 m/s. What braking force (to the nearest whole number) brings it to rest in 100 m???? THNX BOBPURSLeY

**Physics**

A freight elevator has a mass of 240 kg. Find the tension in the cables (to the nearest whole number) when it ascends with an acceleration of 4 m/s2.

**physics**

A 18 kg object and a 6 kg object are hanging over a frictionless pulley. What is the acceleration of the system to the nearest tenth?

**geometry**

What's another way to write 8 3/4?

**Math**

The systolic blood pressures of the patients at a hospital are normally distributed with a mean of 136 mm Hg and a standard deviation of 13.4 mm Hg. Find the two blood pressures having these properties: the mean is midway between them and 90% of all blood pressures are between...

**Math**

If the odds against an event A are 15 to 1, what is the probability associated with event A occurring?

**physics**

A person travels by car from one city to another with different constant speeds between pair of cities. She drives for 38.6 min at 87.2 km/h, 10.3 min at 107.9 km/h, and 45.6 min at 45.7 km/h, and spends 17.9 min eating lunch and buying gas. Find the distance between the ...

**Pre-Algebra**

1 the whirl series

**Physics**

6.0 X 10^3 kg

**science**

yg7ytg

**AP Physics**

yes

**Geometry**

Find the volume of a rectangular solid with the following dimensions: 2.3 cm x 4.6 cm x 7.8 cm A. 8.25 cm3 B. 82.524 cm3 C. 41.262 cm3

**science**

Do clown fish encounter problems in its habitat?

**BIOLOGY**

How is the Amtrak train like a macromolecule

**FINANCE**

Suppose a Midwest Telephone and Telegraph (MTT) Company bond, maturing in 1 year, can be purchased today for $975. Assuming that the bond is held until maturity, the investor will receive $1,000 (principal) plus 6 percent interest (that is, 0.06 3 $1,000 5 $60). Determine the ...

**8th grade Social Studies**

what arguments are given by those who oppose African American soldiers?

**Financial**

Six months ago, you purchased a tract of land in an area where a new industrial park was rumored to be planned. This land cost you $110,000, and the seller offered you an interest-free loan for 70 percent of the land cost. Today, the industrial park project was formally ...

**math**

27

**MATH**

WRITE EACH NUMBER USING AN EXPONENT AND THE GIVEN BASE: 13,BASE 13

**cutural diversity**

its not doing my homework.. this website is help. i already answered the question i just wanted to read others feed back on this issue becaue i find this very intresting...

**cutural diversity**

Should United States government policy favor certain kinds of immigrants? Should [citizenship] preference be given to the neediest applicants? The most talented? The most oppressed? The richest? Should applications from certain countries be given priority

**math**

How can I multiply fractions

**Reading**

Which one of the following words is an example of a literal meaning for the noun dog

**chem**

can u help me write a word equation for the electrolysis of water , and indicate physical states and conditions of the reaction

**MAT 116 Algebra 1A**

b) Suppose you want to cover the backyard with decorative rock and plant some trees as the first phase of the project. You need 30 tons of rock to cover the area. If each ton cost $60 and each tree is $84, what is the maximum number of trees you can buy with a budget for rock ...

**Chem**

Which of Dalton's four principles does Law of Multiple Proportions support, and how does it support it?

**math**

Astro KNots

**pre-algerbra**

what does 7p4 mean? thnx -juan

**reading**

Describe Ralph's physical features and also his reaction to being on the island

**NEW: Geography**

The Medicine man is one upon various movies that should make us concerned with our environment. The things occurring to our environment are something that should concern us in a variety of aspects, one of them displayed in the Medicine Man. In reality (and as shown in the ...

**Geography/English essay**

If it's possible, can somebody help me fing grammatical error in this essay? The Medicine man is one upon various movies that should make us concerned with our environment. The things occurring to our environment are something that should concern us in a variety of aspects...

**math**

solve using substitution 3x-4y=-5 x=y+2 HELP Me.!

**yh8hy**

why energy from the sun is important to the water cycle?

**economics**

o.6

**anthropology**

what can be an example of global apartheid? like something recent that has been going on...im kinda drawing a blank =[ thanks

**Shakespeare's "Othello"**

What evidence is there that Othello may have been a Mexican? Thank you for using the Jiskha Homework Help Forum. A Mexican may have played Othello but if you are referring to Shakespeare's Othello: A Christian Moor and general of the armies of Venice. P.S. Perhaps you ...

**Philosophy Question**

Who are some famous Mexican philosophers? Check this site for a list of some of Mexico's philosophers. http://en.wikipedia.org/wiki/Category:Mexican_philosophers Ah, most of these guys are white. I want some real latino philosophers, please. What does skin color have to do...

**Spanish Help, Por Favor!**

Please help me correct the following paragraph for grammar, spelling, and word usage. Thanks! El testigo del Jehová estaba parado en el borde de la tabla y gritó para sus pantalones. Desafortunadamente, los tres enanos habían funcionado ya lejos, llevando ...

**Philsophy Question**

Are there any famous Mexican philosophers? http://en.wikipedia.org/wiki/Category:Mexican_philosophers

**math**

4, 6, and 8 c in a c what is the question? trying to solve this brain teaser what does each c mean? example: 4 q in a g = 4 qts in a gallon

**CHEMISTRY**

0.00375 moles

**Biology**

arthropods

**SS**

what were some of the achievements of the mali king sunjata

**SS Statistics**

what activi linked Aksum with Rome

**ELA**

Christine scarfed that whole bag of chips herself what is another way of saying scafed wit out using slang Did she steal them? Did she grow them? Did she step on them? Did she twirl them in her hair? What did she do with those chips? ?? the diffigult thing is that it doesn'...

**ionic or covalent**

Sucrose is dirty like frienly fire in the African jungle in the winter of November 32, 1904 when the chimp attacked Joshua in the feast of Chrisy. All are Welcome