Tuesday
May 31, 2016

Posts by michelle

Total # Posts: 1,887

english
EDIT: You can't use non creative , but you can say uncreative
May 26, 2016

english
Yes, but it's better to use "unimaginative" instead of just adding "non" in front of a word to make it an antonym of the original word.
May 26, 2016

Math
A cross-section of a sphere, which is 6 units from the center of the sphere, has a circumference of 8π units. Find the surface area of the sphere.
May 26, 2016

Math
Find the number of vertices in a polyhedron if it contains 20 triangular faces and 12 pentagonal faces. a. 30 b. 32 c. 60 d. 120 * Also please show me how you got your answer, thanks
May 26, 2016

Math
The surface area of a right cone is 55π cm squared. Find the radius if the slant height is 6cm.
May 23, 2016

Math
how many electrones of each element are produced in this reaction? PbS +H2O -----PbSO4+H2O
May 19, 2016

math
this exponential equation has different base,but same exponent. 4^× -9(2^×)=-20 i know the 4 is just 2squared, but i am just a little confounded when taking it into practice ,plz help
May 18, 2016

Chemistry
How can I do an acrostic poem for the word REDOX?
May 2, 2016

Algebra
A campground consist of 10 square campsites arranged in a line along the beach the distance from the edge of the campsite to the water is 4 yards the area of the campground including the beach Is 1050 yd.² what's the width of one campsite
April 19, 2016

math
Suppose you have an extremely unfair coin: the probability of a head is 1/5, and the probability of a tail is 4/5. If you toss the coin 40 times, how many heads do you expect to see? A. 8 B. 6 C. 5 D. 4
April 12, 2016

statistics
Data has been collected from a representative of a well-defined population to answer the question: "How much money does the average senior male at Normal Community High School have in his pockets at the end of the school day on Friday?" The next step in the study is ...
March 28, 2016

chemestry
Calculate the number of moles of NH3 that can be formed from the complete reaction of 0.30 moles of N2 according to the equation N2 + 3H2 → 2NH3
March 24, 2016

Physics 101
A storage tank of negligible mass and 30m high is filled with gasoline. What is the force that acts on a square access hatch at the bottom of the tank that measures 0.5m x 0.5m
March 21, 2016

Language Art's HELP ASAP!
xD I WAS JUST READING THE COMMENTS XD LOL
March 14, 2016

Grade 8 Art
Thanx Anonymous.
February 24, 2016

math
what is P(78.3 < x bar < 85.1)?
February 20, 2016

chemistry
I need help in the formula to calculate these types of problems 125ml of 0.43M of HCl + 17ml of 1.8M HCl Calculate the concentrations of solutions resulting from the mixture
February 5, 2016

The Oregon Country Unit 2 Lesson 4
GG perfect scores
February 4, 2016

Chemistry
A Se-75 source is producing 310 rem at a distance of 3.0 m. What is the distance needed to decrease the intensity of exposure to below 25 rem, the level at which no effects would be detectable.
February 1, 2016

algebra
what is the value of j in the equation square root of j plus the square root of j plus equals 3 the square root of j plus 10?
January 24, 2016

Chemistry 105
How do I write 23 grams+ 0.022 grams into a significant figure?
January 20, 2016

Math
Would it be true if you doubled it?
January 10, 2016

Math
A recipe calls for 3/4 cup flour and 2/3 cup butter. Does the recipe require more flour or butter? Is this still true if the recipe is doubled? Explain how you determined your answer.
January 10, 2016

Math
Tom has green and red tomatoes in a bag a 4 to 3 ratio 5 green tomatoes and 5 red tomatoes were removed making the ratio become 3 to 2 how many red tomatoes were originally in the bag Please show me how to work the problem
January 5, 2016

math
write a problem about going to the laundromat that has a hidden question. a single load of laundry costs $2 and a double load costs $4.explain how you solved your problem.
December 16, 2015

Language arts
OHHH MY LORD which one of yall is right
December 1, 2015

Chem 1211
Calculate the wavelength (in nm) of a photon needed to eject an electron with a kinetic energy of 3.93 eV from a metal surface with a work function of Φ = 0.60 eV. {h = 4.136×10-15 ev·s, c = 2.998×1017 nm/s}
November 29, 2015

science - matter
at what temperature will 45g of solid dissolve
November 23, 2015

math
Their are 12 crayons - 1 =9
November 19, 2015

Language Arts
What is the main theme of the story the bachelor tells in "The Story-Teller"? Good children win many medals Parks are beautiful places Too much goodness can be bad *** Good people do something bad eventually
November 18, 2015

Language Arts
In "The Story-Teller," what can you infer about the bachelor from the answers he gives when the children interrupt his story with questions? He is impatient He does not understand what others say He does not know what children like He has a good imagination ***
November 18, 2015

Math
A pole that is 3.2m tall casts a shadow that is 1.4m long. At the same time, a nearby tower casts a shadow that is 39.5m long. How tall is the tower? Round your answer to the nearest meter.
November 14, 2015

Health
My answer is Reproductive Gland
November 13, 2015

Health
When you wake up and a large pimple greets you when you look into the mirror, this endocrine gland is to blame Thymus Gland Reproductive Gland Thyroid Gland Pancreas
November 13, 2015

Health
During puberty, you may find yourself on a roller coaster, one minute you feel like crying and the next minute you are on top of the world. This could signify that you’re suffering from a hormonal imbalance. *** hormonal surge. hormonal shortage. hormonal discrepancy
November 13, 2015

Calculus
Squares with sides of length x are cut out of each corner of a rectangular piece of cardboard measuring 3 ft by 4 ft. The resulting piece of cardboard is then folded into a box without a lid. Find the volume of the largest box that can be formed in this way. b) Suppose that in...
November 5, 2015

Physics
A mass m = 85 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 19.2 m and finally a flat straight section at the same height as the center of the loop (19.2 m off the ground). Since the mass would not make it around the loop if ...
October 31, 2015

BioChem
Given stocks of 1M lactic Acid (pka 3.86) at pH 3.5, 2 M NaOH, 2M HCl and water; how would you prepare 4 Liters of 0.05M lactic acid at pH 3.25. I know you use the Hendersen-Hasselbeck eqn, just not sure how to start. Please help.
October 29, 2015

Math
Golds gym charges $150 to sign up and $10 per month. Fitness express charges not initial fee but charges $25 per month. When will the cost be the same? Show work please!!
October 27, 2015

ap chem
if 3.2 kcal of heat is added to 1kg of ice at 0 celcius, how much ice is produced and how much ice is left?
October 21, 2015

Intermediate Algebra for College
Imagine that you are looking to rent a car that costs $15 a day, and you will be charged an additional 25 cents for every mile you drive it during the day. The following formula can be used to calculate the cost for driving the car for a day: C = 0.25m + 15 If you were to ...
October 15, 2015

math
Find the absolute maximum and the absolute minimum value, if any of: f(x)= (-1x^2/8)+4x+3 on the interval (0,9)
October 12, 2015

Math
Find the absolute maximum and the absolute minimum value, if any of: f(x)= -1x^2/8+4x+3 on the interval (0,9)
October 12, 2015

Calculus
The altitude attained by a model rocket t seconds into flight is given by the equation: -t^3+3t^2+20t-3 where t is greater than or equal to 0 seconds. find the maximum altitude attained by the rocket. first I found the derivative of the original equation and set it to 0. which...
October 12, 2015

chemistry
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.73 nm. It then gives off a photon having a wavelength of 1094 nm. What is the final state of the hydrogen atom?
October 11, 2015

Stats
About 10% of the population of a large country is math phobic. If two people are randomly selected what is the probability both are math phobic? And hat is the probability that at least one is math phobic? Any way to do this on stat crunch?
October 11, 2015

Math
Monica Collects quarters, dimes, nickels and pennies. This afternoon she took $ 1.00 from her collection. She counted the coins and found that she had twice as many nickels as dimes. What coins could Monica have?
October 1, 2015

Social Studies
Idk jelp
October 1, 2015

Social Studies
Name three factors factors that combine to make the eastern usa a industrial region
October 1, 2015

Math
Survey the population or use a sample,you want to know the type of computer, if any, that each student in your class has at home?
September 28, 2015

math
35/65 in simplest form
September 25, 2015

Physics
If the rate of continental drift were to abruptly slow from 1.0 cm/y to 0.5 cm/y over the time interval of a year, what would be the average acceleration?
September 15, 2015

math
how can you find what each mark represents on a number line?
September 13, 2015

fundamentals of math
there are 40 bikes inspected. If 15 need new tires and 26 need gear repairs. -what is the greatest number of bikes that could have needed both repairs? -The least number that could have needed both? -Greatest number that could have needed neither repair?
September 5, 2015

Art
The society that a rises from a concern regarded as excellent in art .
August 31, 2015

Physical Chemistry
If 5.00 mL of 3% H2O2 is decomposed, how many mL of gas will be produced at 1.01 bar and 25C?
August 31, 2015

Determining whether expired air contains carbon dioxide
1.Formulate a hypothesis for this investigation 2.State the aim of this investigation 3. a)Independent variable b)Dependent variable c)Controlled variable 4.State methods and the control
August 23, 2015

physics
A car travels at a constant speed of 30 mph for 20 miles, at a speed of 40 fps for the next 20 miles, and then travels the final 20 miles at 90 kph. what is the average speed of the entire trip?
August 23, 2015

Math
The supplement of an angle measures 11 times its complement. Then the measure of the angle is... A. 9 degrees B. 81 degrees C. 90 degrees D. 99 degrees E. 100 degrees
August 3, 2015

Math
Thanks
August 3, 2015

Math
jack and jerry can complete a job together in 4 hours. if jack require 6 hours to do the job alone, how many hours will it take jerry to do the job alone. A.12 B.10 C.8 D.6 E.4
August 3, 2015

chemistry
The formula for rust can be represented by Fe2O3. How many moles of Fe are present in 24.6 g of the compound? Please guide me through it thank you!
July 28, 2015

AP Chemistry
The formula for rust can be represented by Fe2O3. How many moles of Fe are present in 24.6 g of the compound?
July 28, 2015

Math
Thanks
July 10, 2015

Math
Ralph's age is currently 3 years more than twice joe's age. But 3 years ago, ralph was was 4 times as old as Joe was the . How old will joe be in 10 years?
July 10, 2015

Organic Chemistry
Dr. Bob, Thank you for the chart; its really helps. Just to make sure I am on the same page as you. I look up the bonds listed. F-I has the highest deltaHf (kj/mol). So that means that is takes more energy to break that bond; thus have the strong bond?
June 22, 2015

Organic Chemistry
1. Which of the following bonds is the strongest? a. F-F b. F-Cl c. F-Br d. F-I I think it's A because of the same atomic radius. Is that correct? Am I on the right track?
June 22, 2015

geometry
An artist wants to make alabaster pyramids using a block of alabaster with a volume of 576 cubic inches. She plans to make each pyramid with a square base area of 3 square inches and a height of 4 inches. At most, how many pyramids can the artist make from the block of ...
June 19, 2015

Chemisrty
Calculate the grams of substance from the moles of substance given.... 2 moles C6H10O5. Please help I am lost!
June 17, 2015

Organic Chemistry
Which isomer of 1-ethyl-3-methylcyclohexane is more stable, cis or trans? My teacher hasn't covered this material as of yet, but we have a test done tomorrow on it. What is a cis and trans? Not sure how to begin figuring this out. My text book isn't helpful. Thanks
June 15, 2015

Organic Chemistry
Thank you Dr.Bob. For some reason my textbook doesn't have any answers to the selected problems so I don't know if I on the right track. I really appreciate your help.
June 14, 2015

Organic Chemistry
What is the hybridization of all the atoms (other than hydrogen) in each of the following species? a) NH3 e) +NH4 i) H3O+ b) BH3 f) +CH3 j)H2C=O c) -CH3 g) HCN d)*CH3 h) C(CH3)4 There are a couple I don't know how to do. Please help? Did I do the other correctly? Thanks. a...
June 14, 2015

Organic Chemistry
Is eutectic point and eutectic mixture the same thing? If not what is the difference between the two? Thanks in advance.
June 11, 2015

us gov
what single word means the same thing as representative democracy
June 10, 2015

Chemistry
analyze and describe the different types of genetic mutations and their effects
June 8, 2015

Math
Q. Tim and Jorge hope they will be assigned to the same cabin at the summer camp. Each cabin has 8 beds in it. And Tim knows that he is saying in the green cabin not the red cabin. If there are 14 boys going to camp in addition to Tim and Jorge. What is the change that Tim and...
May 28, 2015

Math
Thanks!
May 21, 2015

Math
Thanks!
May 21, 2015

Math
Q. Neil found out that the Sunday paper that he delivers is about 1 pound and 12 ounces. He delivers 39 newspapers on Sunday's. How much do the 39 newspapers weigh? (Hint: 16 ounces = 1 pound) A. I tried adding 16 12 times but that didn't work after I found out it was ...
May 21, 2015

Math
4:31
May 19, 2015

Math
Q. Juan delivers papers every morning before he goes to school. He has to have all the papers delivered by 6:30 am. He has 86 papers and he figures it takes him an average of one and one half minutes to deliver each paper. At what time must he start in order to be done as ...
May 19, 2015

Chemistry
A 10.0mL sample of H2SO4 was neutralized by 13.5mL of 1.0M KOH. What was its molarity of H2SO4? What is the normality?
May 18, 2015

Math
Thank you
May 14, 2015

Math
292-223=69
May 14, 2015

Math
Q. Mrs.Ramirez's class was getting ready to plant tomatoes. They we're wondering if each package of tomato seeds contained the same number of seeds. They counted the seeds in four packages and found that there was a average of 73 seeds in the package. The first three ...
May 14, 2015

Townview
Elaine is painting a fence. She knows that she needs 1 gallon of paint for each 10 feet of fencing. The fencing will enclose a rectangular yard that is 3 yards long and 2 yards wide. How much paint does Elaine need? (Remember 3 feet = 1 yard)
May 14, 2015

Chemisty
Dr. Bob, Where are you getting the 0.693 from?
May 14, 2015

Chemisty
The activity of a radioisotope is 3000 counts per minute at one time and 2736 counts per minute 48 hours later. What is the half-life of the radioisotope?? a) 831hr b)521hr c)361 hr d)1.44hr
May 14, 2015

Math
Q. Mr. Kincaid's class wants to plant 1/4 (fraction) of its 12-foot-square plot with tomatoes. Of the remaining garden, 1/3 will be pears. Of the rest of the plot,1/2 will be radishes, and 1/2 will be lettuce. How many square feet of radishes will the class plant.?
May 13, 2015

Bio 20
Hydrogen sulfide gas is combusted with oxygen gas to produce sulfur dioxide gas and water vapour. If there is 19.3 L of oxygen gas, what maximum volume of hydrogen sulfide gas could be combusted?
May 11, 2015

Chemistry 20
Hydrogen cyanide gas is produced industrially by the reaction 2 CH4(g) + 3 O2(g) + 2 NH3(g) → 2 HCN(g) + 6 H2O(g) What volume of O2(g) is needed to completely react 17 L of CH4(g) at STP?
May 11, 2015

Math
its D 4 is D GAWH
May 8, 2015

Chemisty
What is the molar solubility of AgCl, Ksp= 1.60x^-10, in a solution that also contains 0.0250 M KCl? The answer is 1.60x^-10. But I am not sure why this is. Does it have to do with the solubility rules? Please Help.
May 7, 2015

Medical science
Dimethyl ether = predominate weak dipole-dipole intermolecular force. (positively charged hydrogen atoms and the negatively charged oxygen atoms). H+ H+ H+- C- O - C - H+ H+ H+ Ethanol = hydrogen bonding (Hydrogen bonding to oxygen) H+ H+ H+ - C - C - O - H+ H+ H+ Hydrogen ...
April 29, 2015

Medical science
Dimethyl ether = predominate weak dipole-dipole intermolecular force. (positively charged hydrogen atoms and the negatively charged oxygen atoms). Ethanol = hydrogen bonding (Hydrogen bonding to oxygen) Hydrogen bonds have higher boiling points
April 29, 2015

Math
EX: I took the answers from Amy and got a 5 out a 8 meaning I got 3 questions wrong (doesn't matter any way, I get good grades. I can bring that up to a A ( without Jiskha)
April 24, 2015

Math
Look at the question, Look what the person is saying what number 7 is or 8 honestly, I though y'all would think about that
April 24, 2015

Math
Some questions are mixed up so someone can be like " the Answer are A, D, B, C, and someone can just take them without looking. What im trying to say is someone quick check can be A, D, B, C, When someone else is A, B, D, A, That way you HAVE to look first
April 24, 2015

chem
a solution is prepared with 3.26g kcl and water to make 25.0ml,of kcl,what is the %(m/V) of the kcl solution.
April 22, 2015

Molarity question
ahh thank you!
April 18, 2015

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