mary

This page lists questions and answers that were posted by visitors named mary.

Questions

The following questions were asked by visitors named mary.

Assuming that you have 0.4g of Y(OH)3, calculate the mass of of BaO2 required to react stoichiometrically (1Y:2Ba:3Cu) to produce YBa2Cu3O7. Now calculate the mass of of CuO required to react stoichiometrically (1Y:2Ba:3Cu) to produce YBa2Cu3O7. please he...

Bill has 30 coins, some nickels some dimes. They equal $2.10. How many nickels are there? What is the equasion used to solve this problem? When I solve it, I get 4.3 nickels, but how can there be .3? Please help me solve I posted the two equations for thi...

what is 1/2 Divided by 2.789 Use your calculator. i tried but i says error You need to change the fraction to a decimal. 1/2 = 0.5 Try -- dividing .5 by 2.789. okay thank you

a 10.0% sucrose solution has a density of 2.00 g/mL. what is the mass of sucrose dissolved in 1.00 liter of this solution? thanks, mary Well, in a liter, there are 2000 grams (from density), and 200 of those are sucrose.

Explain why the life cycle and skin of the frog make it a good indicator animal if you want to determine the health of local ecosystems. Please please help. Thanks so much.

Write the proportion 21 is to 33 as 63 is to 99.

When you use a graph to solve a problem about how far a car traveled during a specified time during which it was accelerating, how many area caculations do you have to make? What is/are the shapes/shapes ou are calculating?

A graph shows distance on the vertical axis and time on the horizontal axis. If the speed is steadily increasing, what will the line representing speed look like on the graph?

I need help with this last math problem i have: Using the properties for radicals to simplify, assuming all variables represent positive real numbers. square root 12x^3/5

what are the pros and cons for combination incentive plans?

1.The length of one of the equal legs of an isosceles triangle is 8 cm less than 4 times the length of the base. If the perimeter is 29 cm, find the length of one of the equal legs. A) 4 cm B) 5 cm C) 11 cm D) 12 cm answers 4x-8= 4(5)-8= 20-8= 12 2.3x - 2...

Allen bought 20 stamps at the post office in 37 cents and 20 cents. the total cost of the stamp was $7.06. How many 37cents stamp did Allen Buy

what do you understand by the term "HISTORY"?

can someone check this i'm really lost i thought i had it and now i don't think i do. Solve the system by graphing x+y=3,x+y=-1 x+y=-1 x-x+y=-1-x y=-1-x y=-1-(3-y) y=-4y x=3-(4y) x=-1

1) When Congress passed the Federal ReserveAct of 1913, it gave the Federal Reserve Board afree hand in steering the economy. (2) The President, while charged with appointing the chair and board members, has no direct role to play in the Board’s policy de...

6) The medical personnel treating the victims displaced by the hurricane claimed that the situation would grow worse, unless having more medical supplies. A) worse, unless having more B) worse because of needing more C) worse without more D) worse without...

10) Hegel seems to have become for Gombrich (A) what Machiavelli (B) has for the Elizabethans: Old Nick, the (C) very devil responsible for all evils. A) what B) has C) very D) No error

do u no Bob Hope

Evaluate. 2*2^3

Which of the following numbers could not possibly be probabilities? justify your answer a)0.124 b)1 c)-0.1142 d)0 e)2/7 f)6/5 g)2.8

lobster,sardine---?, scales

Which of the following is the best opening sentence for a business letter that you want to sound fairly informal

1. solve by using the quadratic formula. 5x^2+x=3 2. solve by completing the square. x^2=5x+2 3.solve by using the square roots method. 5(x-2)^2=3

Identify the axis of symmetry, create a suitable table of values, then sketch the graph (including the axis of symmetry). y=-x^2-2x

find the value of 20x when x= 10

what 2 factors determine the size of the force of gravity? & what is the relationship between them?

1. The line "A tree whose hungry mouth is prest" is an example of iambic 2.Which one of the following words is an iamb? A. Rachel B. Alice C. JoAnne D. Sally 3.What is the most probable reason that rhyme and repetition first found their ways into poems? A...

Find the distance between each pair of points. (-3,0)and(4,0)

Simplify each radical expression.(ã3+5)(ã3-3)

The hypotenuse of a right triangle is 5cm long. One leg is 3cm longer than the other leg. Find the dimensions of the shorter leg. (give your answer in radical form)

Sam Bordner can dig his garden in 4 hours end Elsie Bordner takes the same amount of time. After working together for an hour, their son Gregory helps them finish in just 30 minutes. How long would it have taken gregory to dig the garden by himself? Can s...

How long is a bicycle in meters?

five more letters belong to this group (AFHILNTWYZ), what are they?

- how would i work out this problem? -5 + -4=

how do you determine how many sounds a word has? I know how to tell how many syllables it has, but not the sounds.

round the following to THREE significant figures: i tried some of them...please check to see if i did them right...thank you a) 356,309 a. Answer: 356,000 b) 0.05738949 a. Answer: 0.0574 c) 0.05999999 a. Answer: 0.0510 d) 583,689 a. Answer: 584,000 e) 3,5...

Hello everyone. I was wondering if anyone knows a site that could help me with the homework free online...with Differential equations. it would be great. I need help on in big time thank you

pseudopsychology and parapsychology

how do you factor m^3+5m^2+3m-9 it might be simple i am not seeing it.. please help so i can continue with the problem...thanks

how do u find the root of m^3+3m^2+3m+1 = 0 please help me find what are the value of what m is equal to

find the first and second derivatives of (Ax^2+Bx+c)e^(3x) should i distribute e^3x into the prenthesis? or is there an easy way.... b/c when i distribute it i get a long answer..... for i get yp'=2Axe^3x+e^3xAx^2+Be^3x+e^3xBx+e^3x+ce^3x is that correct.....

i am trying to solve for A and B....this question comes from a Differential equations...but this step goes back to basics... Asinx-Bcosx+6Acosx+6Bsinx=3-cosx when you group all the sinx and cosx you get (A+6B)sinx+(6A-B)cosx=3-cosx you get (A+6B)=0 and (6...

e^-2x(-e^-x)- (e^-x)(-2e^-2x) thanks

please help me find anti derivative of -sinx * cos^2x am i using integration by parts?

integrate cos^3x dx tnk U

differentiate cos^2x dx tnk u

Mooers law states that the

A baseball is thrown, leaving the baseball player’s hand 6.0 ft about the ground and at a 45 degree angle with respect to the horizon. The initial speed is 80 ft/s. Find the maximum height attained, the length of time the ball stays in the air, and the ho...

how does rigworm appear?

Find the area between the two curves f(x)= ln(x+1)+2 g(x)= x^2-8x+12

if h(x)= (the antiderivative of) 2x^2 +8x-5 dx find h'(x)

A woman on a bridge 90.0m high sees a raft floating at a constant sped on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 6.00m more to travel before passing under the bridge. The stone h...

how do you draw a circle with the points of A,B,and D that lies on the point of tangency C

A piece of ribbon is 4 yards long, with no ribbon left over. If each piece is 9 inches ong, what is the value of x?

Which parts of the molecule benzophenone are chromophores? is it the two aromatic rings? what types of electronic transitions are responsible for the molecule absorbing the light?

can you help me with finding the rate of change and slope in algerbra 1?

what is the formal charge for OMe and how many electrons would it donate?

If f(x)=2x^2-7x+3 find f(2) and f(-3)

what are the six goals of american government as indentified in the preamble

Solve the two sided inequality and show the solution on real line 7 < 1-2x ≤ 10 Given two functions as: f(x) = and g(x) = Find fog(x) also find the domain of f, g and fog Simplify, then apply the rules of limit to evaluate

Solve the two sided inequality and show the solution on real line 7 < 1-2x ≤ 10

locate angle i n standard position specify quadrant location -45 degrees

Grammar Exercise 2 check my anwers

Exercise 6-6 Identify any examples of fallacies in the following passages. Tell why you think these are fallacies, and identify which category they belong in, if they fit any category we’ve described. Do not do triangle examples, as stated in the syllabus...

a mass is released from rest from a height of 4m. it slides down a frictionless ramp then along a 20 degree incline section of rough track. how far does it slide along the incline before coming to rest? friction coeficient= .2 ? help! thanks!

A 60 kg skier leaves the end of a ski-jump ramp with a velocity of 26 m/s directed 23° above the horizontal. Suppose that as a result of air drag the skier returns to the ground with a speed of 19 m/s, landing 8.3 m vertically below the end of the ramp. F...

Identify a specific psychological disorder as listed in chapter 12 of your text. Describe the symptoms commonly associated with this disorder according to the DSM-IV. How do the behaviors associated with this disorder differ from similar behaviors conside...

10 men can do a piece of work in 10 days.how many days can 100 men take to do the same amount of work?

What is one strength and one weakness seen in the current U.S. health care system?

hhs exercise 9.1 time series regression

what is the mean, median and mode also range of stem and leaf Plots?

how to write in mla style?

Is it wrong to put litmus paper directly in solution?

name a number that rounds to 100 when you round to the nearest hundred and to 90 when you round to the nearest ten.

Which is the oldest art? A. Drama/theater B. Photography C. Dance D. Music

Methylococcus capsulatatus. How is this bacteria spread or passed?

I have aa assignment that asks to identify three processes or capapbilities needed to track of home dvd and and cd collection. identify the input data required for each process, and identify a logical name for each data outputitem and type of data out put...

ethan wrote a new song,The first time he wrote it,it had two verses,the second time 4 verses,the last time 6 verses.How many verses will he sing if he sings the song 8 times?look for a pattern and solve the problem

factor 6x^2-xy-12y^2

Using correct pronoun in compound sentence. Were you and (they, them)the winners?

how did changes in the size and character of the population affect American social and economic life from 1790 to 1860?

according to the article reduce abbreviation errors do you think enough steps have been taken to reduce errors explain why you agree or disagree

according to the information in the online article do you think enough steps have been takento reduce errors explain why

which sources are reliable and which are not?

a capital letter stands for what type of allele in a punnett square?

what type of genotype does Tt represent?

blood type is an example of what type of inheritance?

Why was Gregor Mendel given the title "The Father Of Genetics" ?

what is an example of genetic engineering helping people ?

what r the building blocks of matter

how are genotypes and phenotypes alike?

Calculate the pH of the following solutions with the given [H*] or [OH] and indicate wheather it is an acid or base: a. [H*]=0.000001 b. [OH]=0.001 c. [H*]=0.00000001

Im trying to write a first person journal entry but I cant figure out what to write it about?can you help me?

what is an example of a time that the correlatiom method was used?

i cannot seem to get anywere ive been trying everything all day please help!!!!!!!!Objective of Exercise: Select any of the subordinate groups from Ch. 1 of the text, provided below. Because the chapter does not list all subordinate groups, you may select...

How many moles of molecules are there in 250 grams of hydrogen nitrate?

Can you explain to me the difference between the three types of levers?

Calculate Ke for the following (equilibrium concentrations given below substances) H2(g)+Br2(g) yields 2HBr(g) + heat[.513] [.62] [.346] Thank you!

Answers

The following answers were posted by visitors named mary.

what words are off my even now

145576+7567827498473987983748749832784326667%677734 the gddrnhfjfm,sdfjwerk ui3jklfn nil maith liom gaegilgs

GF means gold filled. and the leter A might represent the date. english markings on dishes have leters to represent the year it was made; this might also be true for english jewelry

rewrite each equation as a function of x.-3x - 4y - 11

If f (x) - 4x - 3 find the following f (-1)

If f (x) - 4x - 3, find the following f (-1)

If f (x) - 4x - 3, find f (-1)

If f (x) - 4x - 3, find f (-1)

if f (x) - 4x - 3, find the following f (-1)

if f (x) - 5x - 1, find the following f (a - 2)

I'm supposed to write an essay on how the story of the donner party and the endurance (ship captained by shakleton)are similar and how they are different. Any ideas?

which organism is least affected by a sudden change in its ecosystem

I want my readers to understand that water has been around from the beginning of time. I want them to understand that the earth is constantly recycling the water and that the waters that dinosaurs drank millions of years ago, is the same one that we are d...

find the x-intercepts. y=x^2+4x

isn this homework due T3 w1?

Three more letters belong to this group (CDGOPQSU) what are they?

opps i am sorry about that the questons are 356,309 0.057389490 0.0599999 583,689 5.556 0.004555 400,001 730,999

okey i am confused. We are suppose to solve for what m is equal to...i thought we could factor by grouping...but didn't know exactly how..please explain

i honestly don't see how u divid it and u get the answer...please explain in detail

o i see...thats correct...thanks so much...

plz someone help me...if anyone knowssssssss

wow thank u.... what about integrate -sinx*cos^(2)x dx is that 1/3cos^3x?? rigth?

thank you now can you help me with something else? how log does athletes foot symptoms last?

o so it is 2x^2 +8x-5 dx ... thanks!

how do you draw a circle with the points of A,B,and D that lies on the point of tangency C

i think the answer is wrong

Solve the two sided inequality and show the solution on real line 7 < 1-2x ≤ 10

when was the French revulsion

b is the answer i chose.

Plants wilted after 5 minutes. Room Conditions 5 = + Additional Heat, + Additional Light, + Fan..

3.) I chose B 4.) I chose D

Thank you for your help, Ms. Sue

My answer is B.

My answer is D for this question. I don't know why I am struggling with this class so much.

You are right, I think it should have been b, as it is a means of personal expression and communication.

a, but isn't meditating the same thing as thought? I am so confused.

#3 I answered b. The graph for 5 show + additional heat + additional light + fan.

So it would be, "Philosophy is inevitably determined by the written forms in which philosophical ideas are expressed".

Identify a specific psychological disorder as listed in chapter 12 of your text. Describe the symptoms commonly associated with this disorder according to the DSM-IV. How do the behaviors associated with this disorder differ from similar behaviors conside...

to create a day by day plan for a job

The average of 5 different whole numbers is 5. what is the largest possible value of any of these numbers?

If I had arrived earliier, I wouldn't have missed the opening act. is this correct punctuated

witch one these words are not deprived from latin/greak jovial mercurial hostile bacchanalia

what will hapen if we add H3O to asolution of Hph&base(in their concentration)

Objective of Exercise: Select any of the subordinate groups from Ch. 1 of the text, provided below. Because the chapter does not list all subordinate groups, you may select any other group that has a documented history in the United States. Identify and d...

thats the actual instructions from assignment i just don't know were to start writing i never even had a diary im just needing some help through this

thats it i only really remember things being about the slaves /slavery but im white and that wont be right will it?

ok its ficticious so i really don't have toBE!

I don't understand...

i think i got one thanks

I understand sort of the example but im just not getting it i want to try to make up my own example...help!!!!!!!!!

I need help with this journal entry i just cant seem to get started im lost help me please!

The concentrations didn't show up correctly...they should be H2=[.513] Br2=[..62] 2HBr=[.346] thank you!

the concentration for 2NO2 is [.022] Thank you!

The concentrations didn't line up correctly...they should be: NH4SH= [.027] NH3=[.0234] H2S= [.209] Thank you!

Thank you so much for your help!

I do not understand your answer to my question

If you make a table its simple X|Y 1|4 (1*3+1=4) 2|7 (2*3+1=7) 3|10 (3*3+1=10) 100|? (100*3+1=301 SO the answer is there will be 301 segments.

so i change 55m/hr to 11m/720s. to solve for mu i times that by 12? then i get 11m/60s??

Thank you very much for the help

utilizing the framework of a market opportunity analysis, describe step to ensure success with the extension of the business . I need to write the step that was take inth the case study the coffee compnay that wanted to expand the business to e-business

case studt on internt site the coffee company. if you can get me started in the right direction.

mass of the sun is 1.99E30 kg. so the mass of the neutron star is 3.184E30 kg. i solved for g using g=GM/R^2 what is s? i solved for g using my equation and got 1.93E18 m/s^2. is that right?

Oh thanks :) Well, the problem is that I don't know the class. I will see them for the firs time. My lesson will be graded by other teachers and mentors then. So, what I am missing are some ideas on how to develop this main part of the lesson. I have alre...

Oh one more thing! I am teaching them some new words.Is this the right way to write these words on the board? I mean the articles and so on: to finance, to spill, acid, an apparatus, to lay, to launch, accurate, sundial, wristwatch

thank you Damon :)

i have no idea what your talking about

Discuss what you think will happen to the supply, demand and price of the product in the short-term; 2)

What instructional philosophies will you incorporate into your classroom environment

I HAVE gone to college to further my education in business management.

Thank you for the help

they are called Pleurodema kriegi

Hello, I can help you with this. What week are you in?

what i am looking for is Currency conversion design. using hierarchy chart, input out put. i have develop a pseudocode for a program design.I am having trouble.

We don't have choices. We are thinking its changes or respond or react

It doesn't make sense when we say dial a telephone number. Push buttons are used now.

starting with the values 70 and 100, add 3 data values to the sample so that the mean is 76. the median is 82 and the mode is 82. show work. (please help me find the 3 data values and show how was figured out. i am totally confused.

how is the problem worked out?

Given two functions as: f(x) = x2-x-1 and g(x) = 3/x Find fog(x) also find the domain of f, g and fog Solve the two sided inequality and show the solution on real line 7 < 1-2x ≤ 10

domain of f: any real number domain of g: any real number except x is not equal to zero domain of fog: any real number except x is not equal to zero please explain the domain in binary form. thanks.

sand falling from chute forms a concial pile whose height is always equal to 4/3 the readius of the base.

1/3 and 1/4 1/3 is 4/12 and 1/4 is 3/12 they have the same denominator and their difference is 1/12. The hint is that when you subtract the denominators must be the same.

-6/8-6/8= -12/8 this can be reduced to -3/2 or- 1 1/2

possibilities 564 and 645 so the odd number is 645

they both equal y so set them = to each other. 3x-4=2x-1 x=3 y=3*3-4 y=5 d is the correct answer

the study of animal with tissue organs and back bone.

i want to know the scientific text of the vertebrate, anatomy and physiology