Monday
November 24, 2014

Posts by Lisa


Total # Posts: 3,046

Chemistry
A 5 gram sample of a hydrate of BaCL2 was heated, and only 4.3g of the anhydrous salt remained. What percentage of water was in the hydrate?
February 1, 2012

Quantitative Analysis Simulation Modeling
Define operational gaming and give an example.
February 1, 2012

math
Total purchase is: $100.00 plus $15.00, plus $15.00 or $130.00. $130.00 minus the $50.00 (gift card) leaves the customer with a balance of $80.00 to pay before taxes.
February 1, 2012

math
$22.00 - simply divide 66 by 3 (or 1/3)
January 31, 2012

trig
starting salary for a job is 30,000 with a guaranteed raise of $5,000 each year for the first 5 years. write an explicit formula to represent how much money you would earn each year. how much money would you earn in the fifth year?
January 31, 2012

math
6 Student tickets X $8.00 = $48.00 $78.00 minus the $48.00 = $30.00 $30.00 divided by $10.00 Adult Cost = 3 adult tickets.
January 31, 2012

math
a car traveling on a straight road at 20 meters per second accelerates to 26 meters per second in 12 seconds. what is the total distance traveled by the car? please help!
January 31, 2012

chemistry
A piper delivers 10.04, 10.02, 10.08, and 10.06 mL in consecutive trails. Find the mean volume and the average deviation from the mean...please help some responded but didn't answer the question.
January 31, 2012

chemistry
Can someone answer please Determine the boiling point of water at 698.5 mm Hg?
January 31, 2012

chemistry
Determine the boiling point of water at 698.5 mm Hg.
January 31, 2012

physics
A plane leaves Seattle, flies 77.0 mi at 22.0 degrees north of east, and then changes direction to 50.0 degrees south of east. After flying at 119 mi in this new direction, the pilot must make an emergency landing on a field. The Seattle Airport facility dispatches a rescue ...
January 30, 2012

math
mallory emailed a funny cartoon to Ann. she told ann to send it to five friends with instructions for each of them to send it to five other friends. after four cycles of emailing,how many cartoons will have been sent? the answer is 156 but i dont know how to get thy answer, ...
January 29, 2012

American Government POL 201
Locke" use of the term "property"
January 29, 2012

Biology
can you explain this in words?
January 29, 2012

Biology
What is the function of water in cellular respiration and photosynthesis? Detailed answer please
January 29, 2012

Biology
true
January 29, 2012

Physics
The
January 26, 2012

alg2/trig
what is the smallest value of k that would make the roots of the equation x^2-2x-k imaginary? please help, no idea how to do this.
January 23, 2012

trig
How do you decide if csc=74 is greater than or less than cos=74 without using a calculator?
January 23, 2012

chemistry
A tank contains a mixture of 3.0 mol of nitrogen 2.0 mol of oxygen and 1 mol of carbon dioxide at 25 degrees and a total pressure of 10 ATM calculate the partial pressure in torr of each gas?
January 19, 2012

Electric
if you measure voltage with a multimeter are the leads of the circuit connected in a series or parallel its series right
January 19, 2012

Electric
measure resistance with a multimeter in a circuit is the power going to be off or on i think ON
January 19, 2012

algebra
use this 1/2(b1 + b2)
January 19, 2012

electricity
if you measure voltage with a multimeter are the leads of the circuit connected in a series or parallel its series right
January 19, 2012

electricity
measure resistance with a multimeter in a circuit is the power going to be off or on i think ON
January 19, 2012

electricity
1.2 volts RIGHT
January 19, 2012

electricity
how many volts does a nickel cadmium produce? VOLTAGE FOR ONE CELL
January 19, 2012

History
Of the social contract
January 18, 2012

History
Pelase help me by finding some examples out of this contract. Having undertaken, for the glory of God, and the advancement of the Christian faith and Houour of our King and Country, a Voyage to plant the First Colony in the Northern parts of Virginia, do by these presents ...
January 18, 2012

ELA
"It is only with the heart that one can see rightly" and my interpretation of this quote is that If you truly believe in yourself, you can make the right decisions. I need help to relate this quote to ROmeo and Juliet with an appropriate literary element.
January 16, 2012

math
Find the exact circumference of a circle with diameter equal to 8 ft. I know the answer is 25 ft but the answers I have to choose from are 8, 16 or 64
January 15, 2012

math
Find the exact circumference of a circle with diameter equal to 8 ft.
January 15, 2012

math
If you put one dollar a day in the bank and earn 20 percent interest per month, how much would you have in 100 years
January 12, 2012

english
38. Which of the following sentences contains a helping verb? (1 point) Eduardo looked in the basement, but the puppy wasn’t there. Sakkom hung wind chimes because she loves the sound. Roger has never performed a solo in his life. The leader of the troop took the scouts ...
January 11, 2012

Biology - Genetics
Please help me!!!! I need help with this practice test question. In Guinea pigs, the brown coat (B) is a dominant over the cream-coloured coat (b), and straight hair (H) is dominant over curly hair (h). Using a Punnett square, complete the cross between a heterozygous brown, ...
January 10, 2012

Math
Identify the outlier in the data set, and determine how the outlier affects the mean, median, mode and range of the data set. 7,7,4,9,6,26,4,5,8,4 Please help me
January 10, 2012

basic electricty
Two Ways Of Decreasing The Current In A Circuit? IS it this pentiometer and ampostat or this Yep, lower the voltage or increase the resistance.
January 10, 2012

BASIC ELEC
NAME THE 5 REQUREMENTS NECESSARY TO HAVE A SAFETY OPERATING ELECTRICAL CIRCUIT 1. CONDUCTOR 2. RESISTOR 3. SWITICH 4. CIRCUIT BREAKER IS THAT CORRECT? NAME 4 CONDUCTORS OF ELECTRICITY 1. COOPER 2. ALUMINIUM 3. BRASS 4. IRON IS THAT CORRECT ? WHAT ARE THE 4 FACTORS AFFECTING ...
January 10, 2012

statistics
could someone please help me ASAP?
January 10, 2012

statistics
I'm stuck on a question in MM207... Assume you want to estimate with the proportion of students who commute less than 5 miles to work within 2%, what sample size would you need?
January 10, 2012

ALGEBRA (SQUARE ROOT HELP)
am confused how would u do this 3√(3)
January 9, 2012

ENGLISH(romeo & Juliet)
What is the plan the nurse brings back from Romeo? is it this ? The nurse determines to get a ladder, which will allow Romeo to climb into Juliet’s room that night—because they will be married then and will do what married people do.
January 9, 2012

6th grade math
And you need to do the expirement to answer these questions
January 9, 2012

6th grade math
Alicia the fraction and mixed number i 1 and 5/14
January 9, 2012

chemistry
1. Show the e- dot structure for CuCl2, I2 and H2O. State the bond type and name. Show charges where necessary.
January 8, 2012

chemisstry
1. Show the e- dot structure for CuCl2, I2 and H2O. State the bond type and name. Show charges where necessary.
January 8, 2012

ENGLISH
is that right ???????????
January 5, 2012

ENGLISH
I dont get this from Act 2 Scene 3 What are your feelings about Friar Lawrence's involvement? Do you think he is right or wrong? Why? Use two quotes to support your answers. ITS FROM ROMEO AND JULIET
January 5, 2012

MATH
the square of a number is equal to the sum of 21 and 4 times the number. find the number X=-3 X=7 RIGHT?
January 4, 2012

pre Alg
3g - 9 = 6 +9 +9 3g=12 divide by 3 you get g = 4
January 4, 2012

MATH
so its x=7 x= -3
January 4, 2012

MATH
ok thanks
January 4, 2012

MATH
the square of a number is equal to the sum of 21 and 4 times the number. find the number WHATS THE EQUATION (AM CONFUSED ?)
January 4, 2012

MATH PLEASE HELP
its 4 and 5
January 4, 2012

MATH PLEASE HELP
the sum of the squares pf two postive consecutive even integers is 41. Find the integers.
January 4, 2012

Economics (inflation)
Hello! Could someone please check my answers for the first 2 problems and help me out with the 3rd? Thanks! 1. If the CPI in 1863 was 9 and the CPI in 2000 was 171.9, how much has inflation increased (%) since 1863? I used the inflation rate equation and got a 1898.89% ...
January 4, 2012

Calculus I Quick Optimization Problem
Could you please explain this problem step by step, thank you! You are planning to make an open rectangular box that will hold a volume of 50 cubed feet. What are the dimensions of the box with minimum surface area?
January 3, 2012

Living environment(check please)
When the food relationship in a habitat are illustrated by means of diagram, the result is always a complicated web like pattern. This is due to the fact that 1 many consumers are adapted to use more than one food source 2 producer organisms always outnumber the consumer ...
January 3, 2012

Living environment
IN a natural community in New York State, the producer organisms might include (1) bacteria , fungi, and viriuses (2) deer, rabbits , and squirrls (3) grasses, maple trees , and weds (4) trout, peas, and earthworms I the answer 3 Which sequence illustrates a generalized food ...
January 3, 2012

Living environment
The apperance of the greatest percentageof white mice occured (1) before the maximum number of days of snow cover (2)at the same time as the maximum number of days of snow cover (3) after the maximum number of days of snow cover (4) both before and after the maximum number of ...
January 3, 2012

Living environment
1.All of Earth's water, land, and atmosphere within which life exists is known as a population b. an ecosystem c.the biosphere d. a biotic community IS THE ANSWER C
January 3, 2012

MATH plz helo check my answer
-3 ≤ 2x - 5 < 13 i thing the answer is 1 < x < 9 and how would you graph this on a number line so MY NUMBER LINE IS 1 TO 9, SO AT 1 i have a closed circle and at 9 i have a open circle and its shaded in is it right
January 2, 2012

ALGEBRA
Factor: 2x^2 - 5x + 2 am confused with this problem?
December 30, 2011

MATH
thanks
December 30, 2011

help check please
PLEASE CHECK THESE ANSWERS
December 25, 2011

ALGEBRA 1
ARE THESE ANSWERS RIGHT ? Express as a trinomial: (2x-3)(x+7) IS THE ASNWER 2x^2 + 11x - 21 WHAT IS THE VALUE OF 2 times 5^-2 IS THE ANSWER 2/25 DIVIDE: x/x^2-49 divide by 5x^3/x^2 + 9x + 14 IS THE ANSWER x+2/5x^2(x-7)
December 25, 2011

MAth
thanks
December 25, 2011

ALGEBRA
thanks
December 23, 2011

ALGEBRA
how to do this find the volume of a cylinder if the radius is 8 inches and the height is 10in (ANSWER MAY BE LEFT IN TERMS OF PIE)
December 23, 2011

SraJMcGin please help with Spanish, thank you!
Can you please correct these two sentences, thank you for the help earlier by the way. =) La mayoría de sus pinturas marinas y meticulosas son oleo en lienzo The majority of his meticulous, marine paintings are oil on canvas. La verdad es que la marina yo no le importa...
December 18, 2011

Spanish
Can someone please proofread a biography I wrote? The English translation is below the Spanish. Salvador Abril y Blasco era un marinista que ya gozaba de buen reputación en el mundo artístico, y que ha obtenido algunas medallas en las Exposiciones Nacionales. &...
December 18, 2011

algebra
N(x)=-0.6^2+15.6x+12, where x is the number of days since the concert was first announced, When will daily ticket sales peak and how many tickets will be sold that day ticket sales peak- number of tickets sold-
December 17, 2011

algebra
The width of a rectangle is 3ft less than the lenght. The area is 4ft^2. Find the lenght and the width
December 17, 2011

algebra
The number of tickets sold each day for upcoming perfomance of Handel's Messiah is given by N(x)=-0.6x^2+15.6x+12, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?
December 17, 2011

algebra
1.Write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in stadard form ax^2+bx+c=0 Solution 7, only solution 2.The width of a rectangle is less than the length. The area is 4ft^3. Find the length and the width.
December 17, 2011

psy
On p. 84 of the text, in the Thinking Clearly section, the conduction action potentials and activation of neurotransmitters is related to a row of mousetraps on a wobbly shelf. Think of another analogy you can use to describe the conduction of action potentials and activation ...
December 15, 2011

english
Fill the bags with donated gifts for the orphanage. The word BAGS is what kind of compliment? I.e. predicate adjective, direct object, indirect object, predicate nominative
December 13, 2011

Statistics
Suppose you gave a skill test to 3 different PE classes and want to know if they differ in terms of their scores. The skill tests scores are as follows: Class 1: 23, 21, 19, 22 Class 2: 18, 19, 21, 18 Class 3: 21, 20, 19, 22 Conduct an ANOVA and report the test statistic ...
December 13, 2011

Finance
why are dates on financial statements important?
December 12, 2011

math
the difference between a square root inside a bracket and one outside a bracket
December 10, 2011

English
I need help understanding adverb clauses...
December 8, 2011

Chemistry
Sorry still confused. Here's the problem: 0.249g of a diatomic element occupies a volume of 125mL at 120 degrees Celsius and 2.00 atm. This element IS? I used PV/RT =n so: 2.00 atm (.125L)/0.0821L*atm/mol*K (393K) = 11.96 then 0.249/11.96 =20.1 which is Neon. It isn't ...
December 8, 2011

physics
Suppose the time taken for light to bounce to and fro between the parallel mirrors of a light clock is 1 second, in the frame of reference of the light clock. As seen by another observer moving at high speed at right angles to the to-and-fro motion of the bouncing light, the ...
December 8, 2011

English
Select the gerund phrase in the sentence below. Then, determine the noun function of the gerund. Writing a research paper sounds difficult
December 7, 2011

Chemistry
Got it! H2S is bent. Thank you!
December 7, 2011

Chemistry
Are these shapes correct?PH3-trigonal pyramidal, CHCl3-tetrahedral, H2S-linear and PO4^-3-tetrahedral?
December 7, 2011

chemistry
Thank you! Sorry about duplicate entries-laptop acting funny.
December 7, 2011

chemistry
0.249 g of a diatomic element occupies a volume of 125mL at 120 degrees C and 2.00 atm. This element is? Please help. I'm lost.
December 7, 2011

chemistry
0.249 g of a diatomic element occupies a volume of 125mL at 120 degrees C and 2.00 atm. This element is? Please help. I'm lost.
December 7, 2011

chemistry
0.249 g of a diatomic element occupies a volume of 125mL at 120 degrees C ad 2.00 at. This element is? Please help. I'm lost.
December 7, 2011

Chemistry
Thank you!
December 6, 2011

Chemistry
A gas occupies a volume of 0.500L at 125 degrees Celsius and 0.443 atm. What mathematical expression will yield the correct temperature at 0.750 L and 0.689 atm? Is it the combined gas law of P2V1/T1=P2V2/T2?
December 6, 2011

Physics
A racing car has a mass of 1540 kg. What is its kinetic energy if it has a speed of 110 km/h? Assume that air resistance is negligible.
December 6, 2011

Math
Draw a curve and shade the area between z= -.35 and z= 35
December 6, 2011

math
Draw a curve and shade the area between z=1.15 and z=1.35
December 6, 2011

Intermediate Algebra
I need to know what the perpendicular equation is to x-3y=6 with the line through (-2,-9)
December 6, 2011

Intermediate Algebra
I need to know what the perpendicular equation is to x-3y=6 with the line through (-2,-9)
December 6, 2011

math
There are n people in a room. Each person will shake hands with every other person once and only once. How many hand shakes will there be?
December 5, 2011

Physics
In an electric shaver, the blade moves back and forth over a distance of 2.2 mm in simple harmonic motion, with frequency 116 Hz. Find (a) the amplitude (in mm), (b) the maximum blade speed, and (c) the magnitude of the maximum blade acceleration. I got that (a) is 1.1 mm, but...
December 5, 2011

spanish
Could someone please read my (corrected) summary in Spanish for grammer and fluidity? The English version appears below for help. Thanks! Spanish: Al principio del cuento, el narrador y su familia de braceros migratorios tenían que mudarse a Fresno porque la cosecha de ...
December 4, 2011

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