Saturday
April 19, 2014

Posts by bob


Total # Posts: 2,359

Chemistry
kittens

trigiometry
math.

math
1. 4x^2-13x=12 I need to solve this problem by factoring or using the quadtratic formula. I am stuck when using the quadtratic formula method. Please advise how to do this. 2. 5x^2+42=0 How many roots exist in this equation and what type are they?

algebra homework
true or false, all rational numbers are integers. Explain

algebra-what catastrophe makes a kitten happy?
yeah but there are four blanks that only fills up two...

Chemistry
The chemachles will change color and make sprarks.

Math
520

AP Biology
hey sarah do u go to BHS in fresno ca?

biology
What happens when two molecules in a polysaccharide split apart? What is this process called? What enivornment do polysaccharides need to be in to perform this reaction? What is the ratio of C:H:O in sucrose?

physics
1.13 seconds

math
8x=4y=12

precalculus
I is Interest, but it doesn't list the definition of A.

precalculus
When Todd won the one million dollar lottery, he kept some of the money(M) in a short term account at 4.2% and invested the remainder at 7.25%. Write a relationship between I and A.

UK/Physics
Yes, the expression of Joules is generally very large when dealing with human beings moving slow, or small projectiles moving fast.

Health
We r learning about the reproductive organs and they seem to be confusing me on how they they function together to make an embryo.Can someone explain how they function?

geometry
Give the reason for the step taken from a proof. <1 and <2 are a linear pair given m<1 + m<2 = 180* ? a. congruent supplements theorem b. vertical angles theorem c. linear pair postulate d. congruent complements theorem when i put < i hope you know what i mean a...

geometry
i didnt finish writing this question so look at the question above for the complete question

geometry
Give the reason for the step taken from a proof. <1 and <2 are a linear pair given m<1 + m<2 = 180* ? when i put < i hope you know what i mean and when i put an asterisk sign just replace it with a degrees sign in your mind.

geometry
Is the statement true or false? Explain your reasoning. Perpendicular lines always intersect at right angles.

geometry
If PQ=3 and PQ+RS=5, then 3+RS=5 is an example of the ___________. A. multiplication property of equality B. reflexive property of equality C. transitive property of equality D. substitution property of equality

geometry
From the given true statements, make a valid conclusion. If the dogs get out of the yard, the catcher will take them to the pound. The dogs got out of the yard.

geometry
Is the statement true or false? Explain your reasoning. Perpendicular lines always intersect at right angles.

geography
after britain sent troops to boston to stop resistance to the townsedn acts, tensions exploded in the boston massacre of 1770 what was the effect?

journalism
what is a inverted pyramed?

Math, pleae help... just want to see if i got it
no

Geometry
Tell whether each statement is true or false. Then write the converse and tell whether it is true or false. 28. P is the midpoint of segment GH implies that GH = 2PG I have this so far. p (hypothesis): P is the midpoint of segment GH, q (conclusion): GH = 2PG You don't nee...

Biology
2000ml

physics 111
A runner times his speed around a circular track with a circumference of 0.508 mi. At the start he is running toward the east and the track starts bending toward the north. If he goes halfway around, he will be running toward the west. He finds that he has run a distance of 0....

physics 111
A bicycle travels 3.2 km due east in 0.10 h, then 5.6 km at 15.0° east of north in 0.11 h, and finally another 3.2 km due east in 0.10 h to reach its destination. The time lost in turning is negligible. What is the average velocity for the entire trip? i need to find the m...

science
how to convert grams andmeters and stuff like that?

psychology
what are the main features of a lab experiment

6 Grade Math
How many whole numbers are there between 99 and 1000?

Microecon help
Please help! Review for a test and am so lost! (1) An article in the New York Times (Oct. 18, 1990) described a successful marketing campaign by the French champagne industry. The article also noted that “many executives felt giddy about the stratospheric champagne prices...

Algebra II
Sue is three times as old as her sister. In one year from now, their combined ages will be 22. How old are they now?

math
why is it important to use the order of operation in mathmatics

algebra
Google it!!! it works:D

i dunno
Yes. Do you know anyone who has finished it? It can't go on forever. But still... is it really impossible?

i dunno
Is it possible to win the impossible quiz that's on addictivegames? I odn't want to waste my time trying to figure it out if you can never win. Thanks

line
what is a compimentary line in math? Thank you for using the Jiskha Homework Help Forum. If you are studying Geometry: http://astronomyonline.org/Science/Geometry.asp

soc
Is modernization likely to continue in the U.S.? Explain your answer. Do you think people would be willing to go backward to prior technologies and ways of living, or will the society keep on "modernizing"? Once you "explain your answer, please be sure to re-pos...

Physics
A coin is dropped from rest into a well with water 45.0m below the hand that drops the coin. A) How much time passes between the release of the coin and its contact with the water? B)How fast will the coin be going when it lands in the pool? C)How long after the release of the...

Calculus
cool^2

IT
vj is realy gay

riddles
stars

chemistry
what is the chemical equation for citric acid + sodium hydroxide? I will be happy to critique your thinking . Remember a salt and water will be formed. is it : C6H8O7 + 3NaOH--> NaC6H5O7 + 3H2O ? I would have written citric acid in this form H3-C6H5O7, and sodium citrate as...

math
The smallest number of people in a room where the probability of two of them having the same birthday is at least 50 percent.

some algebra help (radicals)
DUH-R U DUMB OR SOMETHING?!?!?

reading
how

algebra 2
i forget what the n in the factorial theorem (n/r-1) is. Does anyone know? In statistics, "n" typically stands for the number of scores in a sample. I hope this helps. Thanks for asking.

govt economics
well i am in a homeschool program and i lost my book, and have 3 more exams to do before i graduate high school. Ive tried just using the internet and google and all that to complete it, and i cannot afford a new book. the exams are all multiple choice so heres one of the exam...

MATH
5

Discrete Math
You are stranded on a deserted island, and along the way you stumble across a genie. He says he will get you off the island provided that you can meet his conditions. He hands you a 20-sided die, and says that you need to roll it 1000000 (one million) times. If you can roll be...

chem
how do u solve for C and b is basically the Kw(1X10^-14)/the Ka

Math
There are two kinds of people live in the country of King Arthur: those who always say the truth and those who always lie. One day the king ordered that all the liars must be put in jail. A woman, whose husband was put in jail, went to see the king and said to him: "My hu...

science
water from the earths surface moves in the air by ? and becomes ?. evaporation, and becomes water vapour in the earth's atmosphere

Project Management
Can you please let me know if it is true or false that Gantt Chart is good for planning but not an effective tool for control.

Law ( contract)
Frank and fanny farmer have been married to 10 years. On march 1, 2002 fanny farmer decides to go on “strike” she refuses to do any farm chores or chores around their home. She puts up a big sign by the road and writes in bold letters “ FANNY FARMER IS ON STRIKE...

geography
explain how partial melting and fractional crystallisation produce felsic magma from more maficparent magma Would this help: http://en.wikipedia.org/wiki/Fractional_crystallization_%28geology%29

chemistry
what transition metal complex is responsible for transporting oxygen in our blood? Also, what is its structure? The transition metal (there are several transition series---I assume you are referring to the 3d transition metals) is iron. As to its sturcure, the iron itself has ...

chemistry
what product is obtained by reacting methylamine with salicylaldehyde in a 1:1 ratio? This is related to your other about salicylaldehyde. The product is an imine and the other product is water.

chemistry
What is the molar mass of salenH(2) and nickel(II) salen? I don't know shat salen is? Do you have a formula? Salen is a contraction for salicylic aldehyde and ethylene diamine which are the reactants for the basic ligand. There are a number of these so you will need find o...

Social Studies
What were the Mummy-shaped figures that worked in the afterlife's fields for the mummy. amerald

chem!
A common flaw in calorimetry experiments to determine the molar enthalpy of solution is to have a mass of solute that is inappropriate for the volume of water used resulting in a temperature change that is too small or too large. A temperature change of 5°C to 10°C is ...

Math
I got 15

English thinking
I am looking for why the media does not talk about bird flue , any more? Is there is some reasons why they do not talk about it anymore, do u have any idea? Yes. It does not sell anymore. Media tend to go with sensationalism, and not cover subjects that are well worn. Some of ...

math
input- output numbers input output 1 21 2 40 3 59 4 5 6 7 inputx19+2

Math --please check
What is 12% of 250? Is it 30? Is decimal notation for 19% 0.19? Thank you! Yes, 12 percent of 250 is 30. Yes on the second. Yes to both.You're Welcom!!! =)

math HOW DO I CONVERT A FRACTION TO A DECIMAL???
Hi

Eng- Hyperbole example
sdhfh

Business law
You own a business that is located in the mall. The mall requires that you open 7 days a week, from 10:00 a.m. to 7:00 p.m. Your religion prohibits you from working on Sundays. The mall management issues an eviction notice for your business. Can you sue? What court? What issues?

Business Law
You own a radio station. Your DJ picked up the unedited version of Ludacris’ new CD that contained some profanity. He played it during the morning version of his radio program. You are fined $500,000. Can you sue? What court? What issues?

Chemistry
Each Rolaids tablet contains .550 g of calcium carbonate and .110 g of magnesium hydroxide. Kroger Extra Strength antacid tablets contain .750 g of calcium cabonate per tablet. What is the neutralizing ability per gram for each tablet in mol/g? Might not be able to answer with...

Chemistry
If one gram of sodium bicrbonate made it into your stomach from 1 teaspoon of baking soda, how many moles of acid could it neutralize? mols NaHCO3 = grams/molar mass. mols HCl=mols HCO3%-

Chemistry...kind of
How do medications such as Pepcid AC and Xantac treat acid reflux? If anybody can find a web-site that explains this it would be great! I'll help you if you help me...please.! http://www.answers.com/topic/famotidine

English
what does it mean when someone said? how is Mike,Is he behaving himself? It means that Mike sometimes does not behave as well as might be expected. The person asking wants to know if Mike has been being good.

Chemistry
How many ml of a 0.827 Molar KOH solution is required for neutralization in a titration of 35.00 ml of 0.737 Molar H2SO4? Write the equation. 2KOH + H2SO4 ==> 2H2O + K2SO4 mols H2SO4 = M x L = 0.03500 L x 0.737 M = ?? mols KOH = 2 x mols H2SO4 from the equation. mols KOH = ...

Chemistry
What is the net ionic equation when H2SO4 is neutralized by NaOH in aqueous solution? Write the molecular equation. H2SO4 + 2NaOH ==> Na2SO4 + 2H2O Convert to ions. 2H^+ + SO4^= + 2Na^+ + 2 OH^- ==> 2Na^+ + SO4^= + 2H2O Now cancel those ions that appear on both sides of ...

math
how do i do x2+12x+32 x2+12x = 14x+32 subtract 14x from each side 14x=32 divide by 2 7x=16 x=16/7, which is 2 and 2/7 ok maybe you typed that question wrong? is it x^2 + 12x + 32 ? if it is then the solution is: (x+8)(x+4) because when you multiply them you use foil; so multip...

science
what is the voltage of a wall socket? Most in the U. S. are 120 volts. There are more 220 v sockets being installed for operating electric stoves, heat pumpts, etc now than in the "old" days.

Chemistry
How much Ca(NO3)2 should be weighed out to have 0.650? To have 0.650 what of what. Do you want 0.650 g Ca?

Geog
1-on Dec 21, what is the noon sun angle for someone at 12 degree 15' S.Lat? ( give the answer to the nearest minut.) 2- In what horizon is the noon sun for this person?

geog
Why does each time zone extend 7 1/2 degrees on each side of central meridian rather than extending from 0 degrees to 15 degree? http://www.google.com/search?q=time+zones+latitude&ie=utf-8&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a There are several good sites he...

physical geography
A- On Dec .21, what is the noon sun angle for someone at 54 degree N lat.? B- In what horizon ( part of the sky using compass directions) is the noon sun? Isn't Dec 21 the shortest day of the year? Hint: what makes it the shortest day of the year?

Social Studies Question
buts and poop!

U.S. History-PLEASE HELP!!!
hi

4th grade math
it would be 20,726

science
i have noooooooooooo clue!!!!!!!!!!

Bus. law
Is whisle-blowing an appropriate subject for corporation ethics codes? yes. If you wanted to run a business, would you like for your employees to report waste, graft, corruption, or worse? Now if you are doing those things, maybe it would not be such a hot idea. So...I think y...

Conic Sections
How do you find the equation for this problem? Conic Center(1,3) directrix x =7 snd corresponding focus (3,2)

science
how long is day and night

AP US History DBQ Question
TODAY IS TODAY!!!

spelling
thxs people

Math, Geometry and Physics
An enemy ship is on the east side of a mountainous island. The enemy ship can maneuver to within 2500 meters of the 1800 meter high mountain peak and can shoot projectiles with an initial speed of 250m/sec. If western shoreline is horizontally 300 meters from the peak, what ar...

Physica And Geometry Part II
Please look at question carefully. Max Range is easy. But, there is also a second question. How close to the shore should the boat get, so that it is protected by the peak. What formula can you use to figure that out. An enemy ship is on the east side of a mountainous island. ...

Physics - Geometry Question
Thank you for answering part of the question...Need help with the rest. Have figured out that 36 degrees is the minimal angle that the ship can fire to make it over the hill and 76 degrees is the maximum. The ship is safe if it is; closer than 194 meters to the western side an...

Physics
An enemy ship is on the east side of a mountainous island. The enemy ship can maneuver to within 2500 meters of the 1800 meter high mountain peak and can shoot projectiles with an initial speed of 250m/sec. If western shoreline is horizontally 300 meters from the peak, what a...

Pysical Features
plant life

writeacher
what happen to the website at pathwhelp? It's still there. http://www.pathwhelp.org Have you entered any of the help rooms at night? Or have you posted questions on the message boards? ?? The link above brought a message that the site couldn't be found. I also tried th...

math
how do I solve? 4X -4 = 24 4x - 4 = 24 +4 +4 4x = 28 4x/4 = 28/4 x = 7 to check: 4(7)-4 = 24 28- 4 = 24

science
b.) i.) 115.028g bec2o4.3h2o --------------------= 1.1857 97.012gbec2o4 1.1857 ------ =3.806 3.21

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