Krissy

Name the line which have the following characteristics: 1) Passes through (2,3) & (0,-9) 2) Perpendiculat to the line 4x-2x=7 and through (1,-3) 3) Perpendicular to the segments with endpoints (2,1) & (-4,-1) and through the midpoint of the segment. If po...

17 years ago

hey i'm having a bit of trouble with spanish. Any help with differentiation the two would be great. hace + period of time + que + present tense AND hacía + period of time + que + imperfect tense. I have my spanish book with me, and it tells me the differe...

17 years ago

Each week, Bill, Mary and Jane select the quantity of two goods, x1 and x2, that they will consume in order to maximize their respective utilities. They each spent their entire weekly income on these two goods. Suppose you are given the following informat...

17 years ago

What is your favorite poem? Name the poet and title of poem... thank you =oD

17 years ago

Can you name any poets?

17 years ago

On the surface of the earth, it is approximately 6,200 miles from the equator to the north or south pole. How many miles is it between 2 parallels 1 degree apart?

16 years ago

mix 120ml of 0.320M silver nitrate with 40ml of 0.320M potasium chromate. What mass of silver chromate is produced? I am stuck please help

15 years ago

mix 120ml of 0.320M silver nitrate with 40ml of 0.320M potasium chromate. What mass of silver chromate is produced? this is what i have so far 2AgNO3 + K2CrO4 --> Ag2CrO4 + 2KNO3 molar mass of 2agno3 = 277.81 molar mass of k2cro4 = 194.2 molar mass of ag2...

15 years ago

please check if I did this right ... calculate the mass of white solid CaCO3 that forms when 98ml of a 0.1M Ca(NO3)2 solution is mixed with 54 ml of a 2.5M Na2CO3 solution. Ca(NO3)2 + 2NaCO3 -> Ca(CO3)2 + 2NaNO3 .098*0.1 =.0090 .054*2.5 =.135 limiting rea...

15 years ago

Find the net force on a,b and c. Given ma=363kg mb=517kg and mc=154kg. a<--0.5m-->b<--0.25-->c This was a question given to our class by our physics teacher ... he did not show us how to do it. So any help/steps involved to solve this problem would be muc...

15 years ago

Z-12 / 3=4

13 years ago

Your Open Question Show me another » Chemistry help needed... Confused? The following reaction is first order and the rate constant is 2.35 x 10^-4 s^-1 at 20 degress C. 2 N2O5 -----> 2 N2O4 + O2 A.) What is the rate of reaction if the [N2O5]=.25 M? B. Wh...

12 years ago

The following three step mechanism has been proposed for the oxidation of iodide ion by peroxide: H2o2 + I^- ----> HOI + OH^- Slow OH^- + H^+ ----> H2O Fast HOI + H^+ + I^+ ---> I2 + H2O Fast A. What is the overall reaction described by this mechanism? B....

12 years ago

I need help naming these compounds. I CL H H | | | | CH3-CH-CH-C=C-CH3 F CH3 O | | || CH3-CH-CH-CH2-CH-C-OH | CH2-CH3 CH3-CH2-CH2 | CH3-CH2-C-C-CH-CH3 | || | Br O CH3

12 years ago

I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 1.Evaluate without a calculator, using the order of operations. -2^2+20-|8-20|-squareroot of 64 a. -36 b. 4 c. 28 d. -4 2.S...

12 years ago

I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 4.Simplify the compound rational expression. Use either method. 1+(5/y-10)/y+(25/y-10) a. 1/y-5 b. 1/y+5 c. 6/y+25 d. 1/y+1...

12 years ago

Last one for today! Again would appreciate a breakdown on how to get to a resolution. It is multiple choice. 1. Simplify the expression using the quotient to a power property. (3y^6/z^7)^3 a. 27y^9/z^7 b. 3y^9/z^10 c. 27y^18/z^7 d. 27y^18/z^21 2. Use a de...

12 years ago

1. Create the indicated algebraic expression. Use descriptive variables. The length of a rectangular lawn is 6 ft more than three times the width of the lawn. Express the length of the lawn in terms of the width. A. 3+w+6 B. 3(w+6) C. 6w+3 D. 3w+6 For 1 I...

12 years ago

I'm wondering how to answer this. The conjugate of 2-Square root 3 is?

12 years ago

The expression x^2-7 is not factorable using integer values. But the expression can be written in the form X^2-(Square root7)^2 enabling us to factor it as a “binomial” and its conjugate: (x+square root 7)(x-square root 7) Use this idea to factor the foll...

12 years ago

Given that f(x)=x^3+ax^2+bx has critical points at x=1 and x=5, find a and b and classify the critical points as maxima, minima, or neither.

8 years ago

3x-5(3x-7)=2(x+9)+45 3x-15x+30 = 2x + 18 + 45 (distribute) -12x + 30 = 2x + 63 (combine like terms) ------------------ 30 = 14x + 63 (further combine like terms--additive property) -33=14x (move 63 to other side [giving you -33] *simplify* x= -2.35 (simpl...

18 years ago

woops looks like my math was wrong-- mm you're answer is correct. Nice job at showing you're work!

18 years ago

wow! when i read the first few sentences i was amazed!

17 years ago

someone answer this question.. please... because I don't know any poems well any good ones anyways

17 years ago

3 ft/sec

13 years ago

this is what I came up with 2AgNO3+k2CrO4--->Ag2CrO4+2KNO3 molar mass of 2agno3 = 277.18 molar mass of k2cro4 = 194.2 molar mass of ag2cro4 = 331.08 194.2*277.18/120ml=500ml limiting reactant k2cro4 194.2g*331.08g/500=128.60 128.60*331.08/1000=42.6 is thi...

15 years ago

Thank you so much, now I understand ... I think :)

15 years ago

lol to be honest I have no idea why it is the limiting reactant. Thank you so much for posting it helped a great deal when compared to the previous one.

15 years ago

Thank you so with those corrections my new calculations would be .0090*100.05 = .90045g Hopefully this time it is right. Obviously I am not chemisrty gifted.

15 years ago

Thanks Steve! You've been a great help through this

12 years ago

Thank you so much that does make scense. I just posted one more kinda like it if you don't mind explaining?

12 years ago

The correct answer is (a)The total grams of fat in the American diet has stayed relatively constant over the past 40 years.

9 years ago

.5672g/mL

8 years ago

$280

7 years ago

$7.20

7 years ago

its where they traded furs. They traded fur for a living so therefor they needed to trade to make money.

6 years ago

i need hep with the essays :(

6 years ago

I think she did

3 years ago