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August 31, 2014

Posts by Lisa


Total # Posts: 2,983

math
13 1/48- 2 1/12+ 3 1/3 =13 1/48 - 2 1/48 =13 1/48 - 2 4/48 =12 49/48 - 2 4/48 =10 45/48 10 45/48 +3 1/3 10 45/48 + 3 16/48 =13 61/48
January 25, 2011

math
simplify and write answer as a mixed number 13 1/48 - 2 1/2 + 3 1/3
January 25, 2011

math
the second one with out the parentheses around it
January 25, 2011

math
3/2 / 4/5 + 1/2 * 1/2 Simplify
January 25, 2011

math
find the average 1/3 ,3/8 ,1/24
January 25, 2011

math
18/8
January 25, 2011

math
find the average 1/3 ,3/8 ,1/24
January 25, 2011

math
what is 164/24 as a mixed number
January 25, 2011

math
find the average 1/3 ,3/8 ,1/24
January 25, 2011

math
find the average 6 1/7 and 7 3/8
January 25, 2011

math
simplify 3/2 / 7/10 /5/2
January 25, 2011

math
69.5
January 25, 2011

Psychology
hello any opinions?
January 25, 2011

Psychology
help please?
January 25, 2011

Psychology
Information which comes to a neuron must arrive through its: (Points: 5) axons. glial cells. prefrontal area. dendrites its either the axons or dendrites im not sure any help please..its confusing
January 25, 2011

chemistry - grade 9
calculate the mass carbon monoxide, CO, that was needed to produce 78g of methanol, CH3OH, by the following reaction: 2H2 + CO -> CH3OH.
January 24, 2011

chemistry
sorry, typed incorrectly...will repost.
January 24, 2011

chemistry
calculate the mass carbon monoxide, CO, that was needed to produce 78g of methanol, CH3OH, by the following reaction: 2H2 + CO - CH3OH.
January 24, 2011

algebra
A dehydrated patient needs a 7.9% saline IV. Unfortunately, the hospital only has bags of 3% and 10% saline solutions. How many liters of each of these solutions should be mixed together to yield 3 liters of the desired concentration?
January 23, 2011

algebra
A dehydrated patient needs a 7.9% saline IV. Unfortunately, the hospital only has bags of 3% and 10% saline solutions. How many liters of each of these solutions should be mixed together to yield 3 liters of the desired concentration?
January 23, 2011

algebra
A dehydrated patient needs a 7.9% saline IV. Unfortunately, the hospital only has bags of 3% and 10% saline solutions. How many liters of each of these solutions should be mixed together to yield 3 liters of the desired concentration?
January 23, 2011

Chemistry
In a 100g sample of water, determine the amount of weight that is attributed to Hydrogen and to Oxygen. i found the mass ratio which is 2:16 & then reduced its 1:8. then i set up my equation. 1x+8x=100g 9x=100g x=11.11111111 or 100/9 then i have to substitute. 1(100/9)= 11....
January 23, 2011

alegbra
solve for, where u is a real number sqrt 9u - 10 = sqrt 5u + 16
January 23, 2011

Chemistry
In a 100g sample of water, determine the amount of weight that is attributed to Hydrogen and to Oxygen. i found the mass ratio which is 2:16 & then reduced its 1:8. then i set up my equation. 1x+8x=100g 9x=100g x=11.11111111 or 100/9 then i have to substitute. 1(100/9)= 11....
January 23, 2011

Psychology
ANY HELP PLEASE????
January 22, 2011

Psychology
In her lecture concerning scientific method, Dr. Smith insisted that each of the steps must be used in order to arrive at a scientific finding. She included directions to __________ in her list of necessary components. (Points: 5) form a question and design a procedure for ...
January 22, 2011

Psychology
THANK YOU VVERY MUCH
January 22, 2011

Psychology
Alexander, a fifth grade teacher, believes that Kimberly's behavior is a result of poor parenting. The school counselor is concerned with her inability to focus, attend to directions, and recall information from the previous day or events from earlier in the day. Alexander...
January 22, 2011

chemistry
What is the mass, in kilograms, of the air in a room that measures 14.0 \times\; 13.0 \times\; 9.5 {\rm{ft}}?
January 22, 2011

american history (civil war)
what was the trent affair and how was it settled?
January 20, 2011

algebra
there are 100 coins. ten are dimes. the rest are pennies and nickles. there are twice as many pennies as nickles. how many pennies and nickles are in the jar?
January 17, 2011

Accounts
On a worksheet, the adjusted balance of the Depreciation Expense account is extended to the __________ column. (Points: 5) Income Statement Debit Income Statement Credit Balance Sheet Debit Balance Sheet Credit I dnt understand what is meant by this any help please?
January 16, 2011

Accounts
hello anybody somebody???
January 15, 2011

Accounts
The Net Income amount from the Income Statement is used as a line item on which statement? (Points: 5) Profit and loss statement Statement of owner's equity Balance sheet Trial balance help please not sure what is meant by line item
January 15, 2011

english
Early in her life, Maude Gonne became a radical socialist and activist. what sentence pattern is this ?
January 12, 2011

Math
yes mx + B
January 12, 2011

Math
How do you get : x=1/3y+2 in the y=mxtb form ?
January 12, 2011

Precalculus
cos2x=cos(x+x)=
January 10, 2011

Chemistry
which substance takes the shape of and fills the volume of any container into which it is placed ? (1)H2O (l) (2)CO2(g) (3)I2(s) (4)Hg(l)
January 9, 2011

Science
thanks :)
January 9, 2011

Science
What occurs when a substance melts? 1) It changes from solid to liquid, and heat is absorbed. 2) It changes from solid to liquid, and heat is released. 3) It changes from liquid to solid, and heat is absorbed. 4) It changes from liquid to solid, and heat is released.
January 9, 2011

math
To which sets of numbers does the square root of 31 belog too
January 9, 2011

psychology
briefly describe the developmental needs (physical,cognitive,social,emotional,cultural) at each stage of development over the lifespan
January 8, 2011

renting an apartment better option than buying a h
outline
January 8, 2011

Intro to Business
The U.S. Supreme Court ruled that cities could have school voucher programs that give money directly to parents, who could then choose between competing schools, public or private. The idea was to create competition among schools. Like businesses, schools were expected to ...
January 6, 2011

english
too funny. to comes before a verb or noun, and too comes before adjectives
January 6, 2011

chemistry
Determine how many liters of nitrogen will be required to produce 87.0 liters of ammonia. The balanced equation for this reaction is: 3H2(g) + N2(g) ==> 2NH3(g).
January 5, 2011

Algebra
standard form is y=mx+b so you would have to distribute 4 into x+5 then add 2 to both sides to get the equation equal to y.
January 5, 2011

ipc
Since Kinetic energy is defined as (1/2)mv^2 thus if v was doubled the kinetic energy would quadruple (2^2).
January 4, 2011

Statistics
Suppose a study found a correlation coefficient r = -0.61 between the gender of a worker and their income. What can you conclude?
January 4, 2011

microeconomics
how do i figure out how to answer the question of what is the opportunity cost of producing 200 pounds of potatoes?
January 3, 2011

derivatives
If the derivative of f is given by f'(x)=ex-3x2, at which of the following values of x does f have a relative maximum value?
January 1, 2011

chemistry
рассчитайте константу равновесия реакции РС...
December 21, 2010

chemistry
What mass of water, in grams, would have to be decomposed to produce 28.7 L of molecular oxygen at STP?
December 20, 2010

Phsyics
the end velocity is 4m/s
December 17, 2010

Phsyics
A 44.0kg seal at an amusement park slides from rest down a ramp into the pool below. The top of the ramp is 1.75m higher than the surface of the water and the ramp is inclined at an angle of 35.0 degrees above the horizontal. What is the coefficient of kinetic friction between...
December 17, 2010

phsyics
A young girl sits at the edge of a dock by the bay, dipping her feet in the water. At the instant shown in the figure , she holds her lower leg stationary with her quadriceps muscle at an angle of 39 degree with respect to the horizontal. Use the information given in the ...
December 16, 2010

phsyics
A 8.0×10−2-{\rm kg} toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.30 m/s in a horizontal circle of radius 0.41 m, Find the angle the string makes with the vertical.
December 16, 2010

Physics
A 44.0 kgseal at an amusement park slides from rest down a ramp into the pool below. The top of the ramp is 1.75 m higher than the surface of the water and the ramp is inclined at an angle of 35. degrees above the horizontal. If the seal reaches the water with a speed of 4.00...
December 16, 2010

Math
A nanometer is a unit equal to 0.000000001 meter. Write a expression to represents this number is scientific notation
December 16, 2010

Math
A pizza parlor has 2 1/2 pizzas left. Each pizza originally has 8 slices. How many slices are left?
December 16, 2010

calculus
x^2+3xy+2y^2=7
December 16, 2010

Math
The glass in a frame has an area of 91 m sqaurd. If the window length is 14 m, what is the window height?
December 16, 2010

math
how do you get back from 81/1 to 16/1
December 16, 2010

math
rudy went to the mall to spend some of his money he earned. he spent 1/3 of his money o n a new shirt. He then went to to the music store and bought a cd with 1/3 he had left. At dvds to go he bought a dvd with 1/3 of the money he had left. He stopped once more and bought a ...
December 16, 2010

chemistry HELP!
The book says to use ICE
December 15, 2010

chemistry HELP!
Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution: a solution that is 0.170 M in HC2H3O2 and 0.105 M in KC2H3O2
December 15, 2010

chemistry
Predict qualitatively whether the salts below dissolve to give solutions that are acidic, basic or neutral. what is the rule for figuring this out? a. KNO2 - basic b. Ng(NO3)2 - neutral c. NH4ClO2 - acidic d. NaHCO3 - basic
December 15, 2010

Chemistry
Calculate the pH of a solution at the endpoint of a titration involving 25.00 mL of CH3COOH at unknown concentration, and 21.40 mL of 0.100 M NaOH
December 15, 2010

Chemistry!
1. not sure where to find Kb as listed as 1.8E^-5? so is it 1.8E^-5= (NH4+)(NH3)/0.1-X (9.25)(4.75)/0.1-X = 439.375-X and how to I convert this to pOH and then to pH?
December 15, 2010

Chemistry!!
So is Ka water H2o? not sure where you got 7.20 in my chart 7.2 goes with H2PO4^- there is nothing for (H3O+) but I got 4.69 for CN- and 9.31 for HCN I am so lost...
December 15, 2010

Chemistry
Can the 5% approximation be used to determine the pH of the following solutions? How do I do this question? (A) 0.56 M hypochlorous acid - yes (B) 3.00 M nitrous acid - yes (C) 0.010 formic acid - no
December 15, 2010

CHEMISTRY TITRATION Q
because at end point the solution is neutral, so the # of moles are the same? No ...so what do I do differently??
December 15, 2010

CHEMISTRY TITRATION Q
The titration of 25.00mL of Ba(OH)2 solution with an aqueous solution of 0.500 M HCl reaches an end point when 30.20 mL of the HCl solution is added. Determine the concentration of M of the Ba(OH)2 solution. Soo 25.00mL=0.025L 30.20mL= 0.0302L moles= MxL (0.500M)(0.0302L)=0....
December 15, 2010

math
find the value of both percentages out of 100 and then add them together along with the $6.80
December 15, 2010

college maths
i was thinking abot 154.7 bt was not so sre and i did know it had to be less bt i didnt want to assme i wanted to know how i came up with the answer
December 15, 2010

college maths
One and one-half cups of native blueberries have 232 calories. How many calories does one cup of native blueberries have? (Points: 5) 233.5 calories per cup 232 calories per cup 154.7 calories per cup 0.006 Calories per cup Not sre how to calclate this one can i get some help ...
December 15, 2010

Science
I'm confused..What is the significance of a 1-1 line in regards to density?
December 14, 2010

college maths
81/800
December 14, 2010

college maths
some help wold really be appreciated please?
December 14, 2010

college maths
Write as a reduced fraction. 10 1/8% not sre how to work this one please help. 4/5 81/100 1/10 81/800
December 14, 2010

english/grammer/manners
Do you think us students should have to use yes or yes ma'am when answering teachers/ What do ya'pp prefer? And if so is there a comma between the words yes and ma'am/
December 14, 2010

math
which set is infinite? P = {positive numbers less than 60} Q = {whole numbers between 10 and 20} R = {intergers ge=reater than 18} S = {even numbers between 5 and 15}
December 13, 2010

college maths
subtract. 10 3/5-2 10/11= 8 38/55 7 743/55 7 38/55 Is D correct??
December 13, 2010

college maths
Simplify 5+1/3 1/3 1/3 {1/9+1/9} 4 1787/2187 4 1792/2187 4 1784/2187 4 22/27 Is D the best choice not sre for this one
December 13, 2010

college maths
wooooohooooooooo!!!!! thanks so mch
December 13, 2010

college maths
Translate and solve. A number n increased by 1/4 gives 1/9. Find n. (Points: 5) n=1/9 n= -5/36 n=1/36 n=1/18 is it B
December 13, 2010

college maths
thanks very much i now have a better understanding
December 13, 2010

college maths
Find the LCD and add the fractions. 1/125 + 4/50= 11/24 1/1250 1/35 551/6250 (Points: 5) im not getting the concept of this some help is really needed please
December 13, 2010

chemistry
10.2 g of Pb(NO3)2 are dissolved in 100 mL of water, and added to 250.0 mL of a 0.250 M solution of KI. Determine the mass in grams of Pbl2 produced, and find the number of moles of the excess reagent. PLZ explain
December 13, 2010

chemistry
Determine the molarity of nitrate ions in a solution prepared by mixing 25.0 mL of 0.50 M Fe(NO3)3 and 35.0 mL of 1.00 M Mg(NO3)2 Please explain fully do not know where to start?
December 13, 2010

college maths
??? any help
December 13, 2010

college maths
Ann and Grace mow the yard for $38 each mowing. During one summer they mowed 2 times and spent a total of $10 on gas. The girls split their earnings. How much did each girl receive? (Points: 5) $33 $38 $66 $76 this one is confusing its either C or D bt depends....Are they ...
December 13, 2010

college maths
no help??
December 13, 2010

college maths
its not allowing me to pt the square roots in......its someting like this 10X3X5 square root respectively 0, 3, 2
December 13, 2010

college maths
Write as a product of factors; then find the product. (Points: 5) 0 90 675 150 I think the answer is C but im confuse any other opinions please?
December 13, 2010

math
i dont know
December 8, 2010

math
A diameter of a circle is perpendicular to a chord whose length is 12 inches. If the length of the shorter segment of the diameter is 4 inches, what is the length of the longer segment of the diameter?
December 8, 2010

math 104
if a bussiness borrows $20,000 and repays $29,5000 in 5 years ,what is the simple interest rate?
December 6, 2010

Math
Fill in the blank so that the given statement is true. The median is 77 65,68,78,82,89,__
December 5, 2010

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