Posts by rose

Total # Posts: 1,476

Statistcs
Please help I am so lost and my book shows me nothing helpful. You are interested in the incomes of your customers. A sample of 100 customer incomes yields a standard deviation of $141,421 and a mean of $300,000: a. Determine the point estimate b. Determine the interval ...

Chemistry
What is the Lewis structure formula, electron pair geometry and the molecular geometry for SO4^2-

earlychildhood
when a teacher hears a preschool student using incorrect language she should

bacteria
at 52 degrees F, how fast does bacteria grow? At 37 degrees F, how fast does bacteria grow?

Physics
A block of mass m1 is on top of a block of mass m2. Block 2 is connected by an ideal rope passing through a pulley to a block of unknown mass m3 as shown. The pulley is massless and frictionless. There is friction between block 1 and 2 and between the horizontal surface and ...

math
4800

World Geography
ok I get that.

World Geography
Yes, they do have the answers. But you can't go back and reread it without resetting all your answers!

math
A)$13,116.51 B)$13,140.67 C)$13,157.04 D)$13,165.31

math
if you have two thirds of lace and another pattern calls for five ninths of lace,how much more did the first pattern call for?

chemistry
Is benzophenone soluble in phosphoric acid?

english
ms sue can u help me?

english
ive read the book. im having trouble answering them...

english
questions based on the book to kill a mockingbird: describe mr radley(not nathan radley. what does jem do to thank their mysterious benefactor and what happens after.

english
i have read the book and im having trouble answering them.. i cant seem to find the answer in the novel

english
these are questions based on the book to kill a mockingbird 1. how does atticus explain to scout a way of getting along in school and with other people, in chapter 3 2. why does atticus think it is just as well that the ewells do not attend school, chapter 3 3. what does his ...

analytical chemistry
chemical equilibria involved in precipitation reaction

english
this is for to kill a mockingbird why does scout call the boy 'a pocket Merlin"? AND briefly describe mr.radley?

english
thank you

english
this is for the book to kill a mockingbird what is significant about Mr. Cunningham kneeling down and saying to Scout "i'll tell him you said hey, little lady"

math
given the points A(0,0), B(3,1) and C (1,4) what is the measure of angle ABC I plotted it on a gragh and got 1.46 degress. I am unsure if I am doing this question correctly. Or am I misreading it thanks in advance .

math
Use the distributive property 3(x+ 4) = 3*x + 3*4 = 3x + 12

algebra
x = number of ones y = number of tens x+ y = 57 x + 10 y = 156 hope this helps

Math
base of large triangle is to base of small triangle as 96 miles is to 31 miles. base of large triangle is to base of small triangle as leg (m) of large triangle is to leg (31) of small triangle Does this help?

Math
If an area of a parallelogram is 8x+2 with a height of 4. What is the length of the base?

math
If the distance between location A to B is straight east 10 km. then from B to C is Nw 18KM How far would you be from point C to A. Would you not need to more information then this to calculate this answer?

Life science, history, geography, and maths literacy
You can become tour guide,museum,metiorolist

math
A plane leaves hamilton and flies due east 75 km at the same time a second plane flies in a direction of 40degress southeast for 120 km how far apart are the planes when they reach their destination. I say the calculation is 75^2+120^2-2(75)(120)cos40 the book says to use cos ...

math
Am I missing something here. They way I read this is that the answer is already given 9.5m. or are they after the angle of the ground to guy wire? The guy wire is 13.4m long. It supports a vertical power pole. The wire is fastened to the ground 9,5m from the base of the 8.7m ...

math
Susan Borrowed $5000. The term of the loan is 12% compouned monthly for 3 years. what is the monthly payments? How much must she pay at the end of of 1 year to pay the balance off? How much did she save in interest by paying the loan off in one year??

HELP!!!!
Is there any good colleges in NEW YORK for COUNSELING PSYCHOLOGY????

math
5^0/5^-6 * 1/5^-11 / (5^2)^4/(5^10)^2

math
-(-2)^0*(-2)^3*(-2)^-4/(-2)^3

physics 20
The problem goes not include that information

physics 20
Two people, a and b, are pulling on a tree with ropes while person c is cutting the tree down. Person a applies a force of 80.0N (45.0degrees) on one rope. Person b applies a force of 90.0N (345degrees) on the other rope. Calculate the net force on the tree.

Life orientation
Dxuscuss 5 way in which the human or invromental problem impact on the community

algebra
a model rocket is shot straight up from a roof the height at any time t is aproximated by the model h=-t(squared) +3t+28,where h is the height in metres and t is the time in seconds . When does the rocket hit the ground?

Geometry Inscribed
line BC is tangent to circle A at B and to circle D at C (not drawn to scale) AB=11, BC=23,and DC=2. find AD to the nearest tenth. Image: i.imgur(dot)com/f4ThxTu.jpg

Life orientation
In 15 line critically discuss 5 way which the human problem impact on the community for teenage pregnancy

Finance
P5. Use your knowledge of income statements to fill in the missing items: SALES - $------ COST OF GOODS SOLD - $575,000 GROSS PROFIT - $1,600,000 GENERAL AND ADMINISTRATIVE EXPENSE - $200,000 SELLING AND MARKETING EXPENSE - $------ DEPRECIATION - $50,000 OPERATING INCOME...

Finance
P2. Use your knowledge of balance sheets to fill in the missing amounts: Assets: CASH - $10,000 ACCOUNTS RECEIVABLE - $100,000 INVENTORY - $------ TOTAL CURRENT ASSETS – $220,000 GROSS PLANT AND EQUIPMENT – $500,000 LESS: ACCUMULATED DEPRECIATION -$ ------ NET PLANT ...

grade 9 english
I have read the story I need help answering this question from act 1, scene 1!

grade 9 english
My question is about the story a midsummer nights dream, in act one 1. Why does helena wish her 'tongue should catch(hermia's) tongue's sweet melody'(189)

chem!!!!!!
chemistry, my textbook is modern chemistry i found the actual problem: 2.8% hydrogen, 9.8% nitrogen,20.5% nickel, 44.5% oxygen, and 22.4% sulfur determine empirical formula for compounds

chem!!!!!!
empirical formulas" p 889(153e)

chemistry
what mass of Fe3O4 would conatin 1.85*10^21 atoms of Fe?

chem
if a sample of iron(III) oxide contains 22.56g of iron, what is the mass of the sample? do u just find the molar masses?

chemistry
A sample of liquid consisting of only C,H and O and having a mass of 0.5438g was burned in pure oxygen and 1.039g of CO2 and 0.6369g H2O were obtained. what is the empirical formula of the compound?

chemistry
thankks again!!1

chemistry
sorry, sent it twicee

chemistry
the mass of 2.50 mol of a compound with the formula ECl4, in which E is a nonmetallic element, is 385g. what is the molar mass of Ecl4? what is the identity of E?

chemistry
the mass of 2.50 mol of a compound with the formula ECl4, in which E is a nonmetallic element, is 385g. what is the molar mass of Ecl4? what is the identity of E?

Guidance and Discipline
following ideas?

chemistry
Thank you soooooooooooo much!!!

chemistry
a sample of glucose, c6h12o6 contains 2.03*10^21 atoms of carbon. (a)how many atoms of hydrogen does it contain? (b)how many molecules of glucose does it contain? (c)how many moles of glucose does it contain? (d)what is the mass of this sample in grams? its kinda long, but i ...

edu
i think your right, its c

chemistry
plug in the molar mass? is mass the same as molar mass?

chemistry
how many grams of CO2 can be formed by the complete combustion of a 14.7 sample of C2H6 that is 92.4% pure?( assume the impurities contain no carbon)

physics
An aircraft in a straight line with a constant speed of 450km.h ,What is the magnitude of the resultant force acting on the aircraft?

chemistry
5* 12.01+ 12*1.01= 60.05 g/mol c H 1 mol of C= 60.05g/mol next step?

chemistry
how many c atoms are contained in 15.63g of c5h12??

math
(b) 1 to 10 what kind of proportion?

chemistry
A sample of liquid consisting of only C,H and O and having a mass of 0.5438g was burned in pure oxygen and 1.039g of CO2 and 0.6369g H2O were obtained. what is the empirical formula of the compound?

chemistry
honestly I would love to, but theres no more info or instructions on my worksheet, makes no sense thanks for trying tho:)

chemistry
"empirical formulas" p 889(153e)

chemistry
umm... i need some help, sorry but how do you convert them?? my chem teacher isnt the best :(

chemistry
"empirical formulas" combustion of a 0.255g compound conatining only C,H and O, yields 0.561g CO2 and 0.306g H2O. what is the empirical formula of the compound?

chemistry
A 2.50g sample of a hydrate of calcium nitrate was heated, and only 1.70g of the anhydrous salt remained. what is the formula of the hydrate?

science
after some research, they definetly don't have segmented bodies, i don't think its shell either, and hollow doenst sound correct, so my answer is round bodies might need to clarify planarians are not parasitic hope this helps!

chemistry
thanks!!

chemistry
a 5.00g sample of a hydrate of barium chloride was heated, and only 4.30g of the anhydrous salt remained. what is the formula of the hydrate?

chemistry
thank you!!

chemistry
if 125g of magnesium sulfate heptahydrate is completely dehydrated, how many grams of anhydrous salt will remain? i would really appreciate anyone's help

chemistry
thank you, very helpful

chemistry
what is the formula for the sodium sulfate if 3.54g of dry solid remain after 8.50g of hydrate are heated??

science
group 8 elements have full valence electron shells. (valence electron are in the outermost shell of an atom) this makes the elements in group 8 stable or inert. they are also transition metals. hope this helps!

reading
the answer is (A) Karen is at home during a snowtorm

chemistry
If 53.62 ml of an oil weighs 48.34 g, what is the specific gravity of the oil?

physics
a net force of 5000N accelerates a car from rest to 20m/s in 10s. what is the net force exerted on the car

grade 9 english
Are u disagreeing with my answer because it is wrong or is it your opinion???? I want to make sure I get the right answer

grade 9 english
Ms Sue I finished all the questions but I really only need help on the question 2b) consider why the mother's laughter sounds like wind chimes when she is talking to the doctor

grade 9 english
And for each womans laugh can I say that ms hallmans has almost like an evil laugh and the mothers more of like a fake laugh(like she didn't find it funny, she may have found it offensive) is that right? And I'm still having diffuculties on why the mothers laugh sounds...

grade 9 english
Thanks and for symbols can I write jealosy and selfish

grade 9 english
Ms. Sue?

grade 9 english
pls i really need help

grade 9 english
it is available online go to google and type symbols in short story stones by sandra birdsell, press enter and scroll down to find a site called PDF Stones by Sandra Birdsell - My Class Sites and u will find the story

grade 9 english
ive found a site with the story, would that help....

grade 9 english
im sorry but the reference does not help....... i still do not understand.... is there any way u can read it now(2 pages) and help me pls... im realy stuck....

grade 9 english
okay but that reference doesnt help answer my first question........ thank u anyways

grade 9 english
pls someone help

grade 9 english
i need help answering it. i don't understand the story

grade 9 english
questions for short story Stones by sandra birdsell. 1) in two sentences retell the story. 2a) Compare the descriptions of the two woman's laughter in paragraph three. Explain how the similes capture the personalities of each of these characters. 2b) consider why the ...

Finance 100
The following information is available to you: travelers' checks = $1 million; coin and paper currency = $30 million; repurchase agreements and Eurodollars = $15 million; demand deposits = $25 million; retail money market mutual funds = $60 million; savings accounts at ...

math
96x3

math 4th grade
4/12

7th grade math
what is the function of the following table: a tree that has a height of 12 feet will have a shadow of 10 feet

chem
if a 240mg of an acid H2A required 50.0ml of 0.10M NaOH for complete neutralization, what is yhe equivalent weight of the acid? what is its molecular weight?

chem
draw the approximate curve for a 25ml 0.10 M weak acid HA (K=1x10^-6) that is titrated with 0.10 M NaOH

math
Unit rate 6 eggs in 7 days?

english
i want to know more about the who what where why and how of robert falcon scott and the terra nova expedition

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