Friday
April 18, 2014

Posts by Lilly


Total # Posts: 483

Calc
find F''(pi/3) f(x)= 4cos(x/2) i got -cos(pi/6) but i don't think that's the correct answer... Thanks!

math
What is the differnece in meaning between the notstions of a line over QR and not a line over QR?

math
What is the differnece in meaning between the notstions of a line over QR and not a line over QR?

chemistry
what does 9.54e-7+7.25e-4 equal?

Chemistry
Estimate the value of the equilibrium constant for the dissolution of LiF(s) in a strong acid

Chemistry
To 0.360 L of 0.140 M NH3 is added 0.150 L of 0.100 M MgOH2. How many grams of (NH4)2SO4 should be present to prevent precipitation of Mg(OH)2 (s)? THANK YOU!!!

Chemistry
Find the [OH-] of .196 M NaOH and .262 M NH4Cl

Chem
So do you add the 6.6E-3 and 1E-2 together as the value for Ba^2+?

Chem
6.6×10−3 M Ba(OH)2 and 1.00×10−2 M BaCl2 what is [OH-] of solution?

chemistry
Molybdenum (Mo) has a density of 10.22 g/cm3 and it crystalizes into a fcc unit cell, calculate the radius of a (Mo) atom?

world issuse
LUGGAGE

Chemistry
the concentration of HCl, a strong acid is 0.500 M. if 20.0 ml HCl is needed to titrate 40.0 ml of NaOH, what is the concentration of NaOH I don't understand how to do this. Can I see a step by step way of how to do this please

Math
Order of operstions

Math
-6 5/6 + 2 1/3

chem
What is being oxidized in each of the following reactions? (a) Sr(s) + F2(g) SrF2(s) F2 SrF2 Sr .(b) H2(g) + I2(g) 2 HI(g) H2 HI I2 .(c) 2 Li(s) + Pb2+(aq) 2 Li+(aq) + Pb(s) Pb2+ Li+ Pb Li thanks:) can you give an explanation. I know a is Sr but I don't get why. If it does...

chemistry
what solution of sugar in water has the highest molarity?

chemistry
what is the molarity of a solution containing 23g of NaCl in 500 mL of solution? (the molecular mass of NaCl is 58.44.)

chemistry
if you have 2 mol of glucose in 4L of solution, what is the molarity of the solution?

chemistry
if you have 100 ml each of 1.0 m solutions of NaCl,KCl, and CaCl2 which solution would have the largest mass? explain..

LIfe orientation
i think many communities will encounter due to substance of abuse

Accounting
If Grant House Furnishing accepted a ten month 8% interest rate, $3000 note from one of its customers on april 1, 2008. How much interest will Grant House Furnishing accrue for the month of April?

Chem
Thanks

Chem
An ethylene glycol solution contains 20.9 g of ethylene glycol (C2H6O2) in 85.0 mL of water. Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water.) freezing point °C boiling point °C How would I set this up? thanks

english
what is the tone and diction in the poem Tableau by countee cullen

Math
In how many ways can two dice be rolled to yield a sum divisible by 3?

history
How is the New Deal a conservative defense of capitalism?

history
"Rather than a radical departure from capitalism, the New Deal was a conservative defense of capitalism." Assess the validity of this statement.

history
What is Johnson’s thesis regarding Sam, the Market Revolution, and antebellum American society in the book Sam Patch?

history
For whom and to what extent was the American West a land of opportunity from 1865 to 1890?

Algebra II
What does it mean when the domain of a function is (-‡,‡)? What about a range of,say, (2,‡)? (In case it doesn't come out right, that symbol is the infinity symbol).

Chemistry
20.2 mL of 0.234 M FeCl3 is added to 42.5 mL of 0.453 M NaOH. Iron(III) hydroxide precipitates. NaCl remains in aqueous solution. 1) What mass (in g) of Fe(OH)3 should precipitate (assuming 100% yield)? 2) How many moles of the excess reactant remain after the reaction is comp...

math
if i invested $1000.00 at 5% per year for the next 20years how much will i have

math
you invest 1000$ at an annual growth intrest rate of 5%.how much money will your investment be worth in 20years?

math
Maratha paid $42.40 for her sisters birthday present. this included 6% sales tax. What was the cost of the gift before tax?

math
64.675 = 64.68

math
video games are on sale for 35% off. if a particular game regulary sells for $99.50 what is the sale price

math
25%

math
find the percent of decrease from 280 to 210. round to the nearest tenth of percent if necessary

math
In a survey, 480 people or 75% said they attened a movie at least a month. how many people were surveyed? i dont get how to find the answer

math
Bob makes 5.5% commision selling eletronics. How much commission dose she make if she sells a flat-screen TV for %10,000? how would i solve this?

math correct or not?
1. 19 is what percent of 40 a. 19=n x 40;47.5% b. 40=19 x n;2.1% c. 40=19 x n;40.4% d. 19=n x 40;52.3% is it a? 2.64 is 80% of what? a.64 x n=80; 0.8 b.0.64 x n=80; 125 c.60= 0.80 x n;80 d.80=64 x n;1.3 is it c?

math
so 14.3%?

math
1/7 as a percent?

math
What is 35% of 63? a. n x 0.35 = 63;180 b. n= 35 x 0.63; 22.05 c. n= 35 x 63; 2,205 d. n= 0.35 x 63; 22.05 i thought it was b or d?

math
Two us states are not part of the contential us. What percent of the fiffty us states are included in the contential state? A.2% B 13% C.48% D 96% is it D?

math
9.9/6 = x/16 or how would i writea proportion for that?

math
i dont know its confuses me

math
At the store, 6 pencils sell for $.99. At this rate what is the cost of 16 pencils?

math
Write a proportion that can be used to find the cost of 10 notebooks if 3 notebooks cost $1.98

Maths
help me in math trish

math
The sale price of a coat is 40% off it's regualr price of $59.50. Which equation can be used to find s, the sale price of the coat? A. S= 59.50 - 59.50(0.40) B. S = 59.50 + 59.50(0.40) C. S= 59.50 - 59 50(0.60) D. S=59.50 + 59.50(0.60)

math
Write a proportiom to describe the situation the solve. Three cans of dogs food sell for 99 cents. Fine the cost of 15 cnas

math
find the unit rate.

math
A car travels 84 mi on 3 gal of gas how would I do this?

math
$230 would I have to put it in like proportion to like show my work?

math
how do I do it?

math
Loretta bought a new computer for $1849 a new printer for $159 and a new software for $289 incudeing tax. She plans to make equal payments of 10% of the total amount. What is a resonable amount for each payment? A. $20 B.$23 C.$23 D.$2100

math
A recipe calls for 6 1/2 cups of flour. You have 4 3/4 cupa. How much more flour do you need?

math
0.4245

math
Regular price: $8.49 percent ot discount 5%

math
percent*

math
percent*

math
Find the selling price Cost: $6 percebr of markup: 50%

math
selling*

math
how would I find the spelling cost?

math
Find the selling price. Cost: $6 percent of markup: 75% would the answer be $4.50 selling price?

math
1. Find the markup cost:$18 percent of markup: 35%

math
The population of Alaska was about 128,535. That was about 20.5% about how many people lived there? how would the proportion go? 20.5/100 = x/128535 or 20.5/100 = 128535/x?

Math
Mimi was 36 inches tall two years ago. If she is 17% taller this year, how tall is she. Round your answer to the nearest inch.

math
x/ 2 cm = 5 1/4 m/3 m

math
26% increase

math
from 87 to 108 would the answer be 26% decrease?

math
from 27 to 72 would the answer be 166.66666 = 166.7 increased?

math
would it be 18.8%

math
ok so how would I put it in a porportion and solve it?

math
Increase goes up and decrease goes down.

math
I think so. Wouldn't the answer be decreased?

math
it saysFind each percent of change. tell weather the change is an increase or decrease. Where necessary round to the nearest tenth of percent.

math
from 80 to 95 would it be 18.75 or negative 18.75??

math
wouldn't it be 26.1?

math
I thought I had to multiply 1.7 times 100 the divide that by 6.5

math
yes

math
from 6.5 to 4.8

math
A computer that cost $1,099 last year cost $999 this year. Would it be about 9 or 9.1?

math
I don't get it.

math
A computer that cost $1099 last year costs $9999 this yeat would it be 1099 from 9999 ?% of 1099 is 9999 right??

math
would it be decresed or increased from 96 to 78 n% or 96 is 18 how can I tell?

math
would it be decresed or increased from 96 to 78 n% or 96 is 18 how can I tell?

math
from 96 to 78 if I rounded to the nearest tenth would it be 18.8?

math
from 96 to 78 would the final answer be 18.8 if I rounded to the nearest ten?

math
From 77 to 13 would the final answer be 83.1 %?

math
how is it negative?

math
From 42 to 35 I got that the answer is 16.666666 reapeating. What would my answer be if I rounded to the nearest tenth?

math
About 47 years to about 77 years. Find the percent of increase to the nearest percent. would the answer be 64%?

math
Find each percent of increase from 48 ro 60 so 25% of 48 is 12 x= 25 % increase?

math
Find each percent of increase from 48 ro 60 so 25% of 48 is 12 x= 25 % increase?

math
a 6.5 ft tall car standing next to an adult elephant casts a 33.2 ft shadow. If the adult elephant casts a shadow that is 51.5 ft long then how tall is it?

math
A 6.5 ft tall car standing next to an adult elephant casts a 33.2 ft shadow. If the adult elephant cast a 33.2 ft shadow that is 51.5 ft long then how tall is it. Would it be 6.5/33.2 = 51.5/x?

4th grade math
598.

math correct or not correct?
Find the distance between riverside and milton if they are 12 cm apart on a map with a scale of 4 cm : 21 km The final answer is x= 63 km?

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | Next>>

Search
Members