Thursday
July 24, 2014

Posts by lindy


Total # Posts: 50

Math
Find three consecutive number of which the sum is 85

language arts
2. Read the following paragraph "That thrilled me, and scared me. The great world seemed to swing wide like the gates of the Fair, and I didn’t even have a plan. I hadn’t even put up my hair yet. It seemed to me it was time for that, time to jerk that big bow of...

US HIST
Explain, in a paragraph of your own words, what you consider to be the “#1 Cost of the American Civil War.”Choices: (Social, Economic, or Political)

math
For questions 1–4, find the slope of the following graphs. 1.    (1 point)        2  –2  – 2.    (1 point)      1  –1 – 3.    (1 point)  ...

chemistry
help balance HNO2+HNO3

math
jeremy spends 1/4 of his pocket money each week on books.he saves 2/3 of what is left over.if he saves $5 each week,how much weekly pocket money does he receive

math
a bottle is 1/4 full of cordial,if 500 ml of cordial is added to it, the bottle is 2/3 full.how many ml does the bottle hold when full

math
24874divided by 17 ,which digits should one change in the first number to increase the answer by 100

math
24874divided by 17 ,which digits should one change in the first number to increase the answer by 100

math
what is the total surface (in square units) of an open-topped box with dimensions L*W*H =9*7*6

math
pqrst is a regular hexagon. v is the intersection of pt and su.how big is angle tvs?

Calculus
The height (in feet) at time t (in seconds) of a small weight oscillating at the end of a spring is given below. h(t) = 0.2 cos(2t) (a) Calculate the weight's average velocity over the time intervals [1, 2] and [5, 7].

math
three sevenths divided by six thirteenths = ?

math
sorry,i am still not undrstand

math
we decided on a new logo for our brand of shirts.It was to be 3 stripes. How many different logos we make, if we used 3 colors

math
sorry, I 'm still not understand

math
could u please explain how u work it out,thanks

math
how many 2 digit numbers can be written so that the second digit is greater than the digit before it ?

math
find the missing number; 8 1 4 5 7 # ;81 4 25 36 ?

math
a box contains more than 25 but fewer than 40 balls.When the balls are counted by 3 there is 1 left over.When the balls are counted by 5 there are 2 left over.How many balls are in the box?

Life orientation
Describe the life styele cancer and explain factors that contribute to the cancer

World history
What was the economy of Syria like before the current revolution? Do you know any good website for it? Please help me!

Chemistry lab
I did a copper cycle lab and my final weight of the copper is less than what i started with. Where did the lost copper go?

Algebra---Variation
It is a variation problem. I know what the answer is and how to get to the answer I just don't know how I got it. From measurements on many rivers, geographers find that the length of a river that drains a particular "basin" of land is approximately proportional ...

science
what quantity of heat must be absorbed to convert 86.1 g of liquid to a vapor at its boiling point, -24.09 c? the heat of vaporization of ch3cl is 21.40

world history
sorry it was logged in as my brother's name. Thanks again!

world history
Do you know how much it was in France approximately? Do you think there is a source that can help me? :(

world history
Can you compare Syria's education level of population with the France's back in the days before the french revolution?

Chemistry
In a copper cycle lab, where could have the lost copper might have went? Let's say I did a copper cycle lab and my final weight of the copper is less than what i started with. Where did it go?

chemistry
Wait but I tried out the question but I kept getting the wrong answer... So if [mass Hg x specific heat liquid Hg x (Tfinal-Tinitial) ] + (mass Hg x heat fusion) (27.2 * 0.1410 * -61.8) + (27.2 * 11.4) and I got the answer as -598 but the answer is wrong. What am I doing wrong?

chemistry
Ahh sorry it was a mistake. Sorry :(

chemistry
The freezing point of mercury is -38.8°C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0°C to -38.8°C and then frozen to a solid? (The density of l...

Chemistry
My mistake :( Sorry.

Chemistry
The freezing point of mercury is -38.8°C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0°C to -38.8°C and then frozen to a solid? (The density of l...

Chemistry
Oh never mind I got it. Thank you for your help!

Chemistry
But how would you get the mass if the question says 2.00ml and density is 13.6g/cm^3? How do you convert ml to cm^3?

Chemistry
The freezing point of mercury is -38.8°C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0°C to -38.8°C and then frozen to a solid? (The density of l...

Chemistry
A 237 g piece of molybdenum, initially at 100.0°C, is dropped into 244 g of water at 10.0°C. When the system comes to thermal equilibrium, the temperature is 15.3°C. What is the specific heat capacity of molybdenum?

chemistry
calculate the concentration of ions present after the reaction between 13.50mL of 2.00M BaCl2 and 2.50mL of 6.00M H2SO4 i just wanted to check my answers [Ba^2+]=1.69M [SO4^2-]=o.938M [H^+]=0 [Cl^-]=1.50M if they are wrong please explain

chemistry
how wold you prepare 2.00L of 1.00M HCl solution using 6.00 M HCl? i already found the volume of 6.00M HCl needed to be .333L. i am confused about how to actually prepare the solution. do i used a volumetric flask or any other glassware?

chemistry
the grams of Ba(OH)2 that reacted was 11.99g. but isn't this still of the impure Ba(OH)2 sample? how do i find out the mass of pure Ba(OH)2? thanks for you're help so far

calculus
the side of squyare,s, is increasing at a rate of k unites per second. find the rate at which the area of the square is increasing

Algebra - word problem
A red ball and a green ball are simultaneously tossed into the air. The red ball is given an initial velocity of 96 feet per second, and its height, t seconds after it is tossed is (-16t^2 + 96t) feet. The green ball is given an initial velocity of 80 feet per second, and its ...

algebra
2c-d=-2 d=-4c+20

statistics
I meant REASONABLE, sorry. Thanks!

statistics
population mean=42.6 standard deviation=12 n=16 M=34.4. Is this mean a reasonable outcome for a sample of n=16, or is this sample mean very different from what would usually be expected? I obtained a z -score of -2.73. Thus, that would make the sample mean a reasonless outcome...

Statistics
*librarians intial claim

Statistics
Thanks. Would that mean the initial claim was too high?

Statistics
The head librarian claims that books have been checked out an average of seven times in the last year. You suspect she has exaggerated the checkout rate and that the mean number of checkouts per book per year is, in fact, less than seven. Using the computerized card catalog, y...

statistics
It is known that 60% of people do not respond to mailed questionnaires. In a sample of 20 questionnaires mailed, what is the probability that more than 12 people will respond?

Pages: 1

Search
Members