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August 22, 2014

Posts by Lisa


Total # Posts: 2,972

Physics
What would be the orbital speed and period of a satellite in orbit 0.88 multiplied by 108 m above the Earth? Orbital Speed___m/s Period___s Thanks!
March 17, 2011

inequality
Janice and Leonard together would like to save more than $3,500. They have saved $425 saved so far. Janice can save $120 more than twice what Leonard can save each month. How much money will they each need to save to reach their goal?
March 17, 2011

finance
What makes up a company's capital structure? Explain the purpose of determining the weighted average cost of capital for a company.
March 16, 2011

writing
papers that are inadequately developed often contain repetition and wordy generalities
March 16, 2011

psycology
If psychological needs have presumptive brain or physiological correlates, are they still psychological needs? Why or why not?
March 16, 2011

stats
in major league baseball there are two leagues that compete to make the play offs the american league has three divisions the east and cental divisions with 5 teams each ad the west division with 4 teams the national league is made up of the east and west divisions which have ...
March 15, 2011

math
14/51 * 3/4
March 13, 2011

MATH
6.4/84
March 13, 2011

CHM 101
The food dyes contain propylene glycol in addition to the dyes and water. The candy shells contain sucrose, corn syrup, corn starch and gum acacia. Do you think this affects the movement of the dyes on the chromatography paper?
March 12, 2011

chemistry
Calculate the mass of kl in grams required to prepare 5.00x10power 2mL of 2.80M solution
March 11, 2011

English, please help
Hello, i just wanted to first ask is this free>?
March 9, 2011

organic bio chemistry
how many mL of a 0.20M KOH solution is needed to neutralize 25 mL of 0.25 M H2SO4?
March 8, 2011

Scocial Studies
Who was the leader of China during WW2?
March 8, 2011

Chemistry
how much sulfur dioxide is needed to decrease the pH of 1L of water from 9.8 to 8.0?
March 8, 2011

Science
What is a Wordsplash?
March 5, 2011

math
Complete the following: (2 points per answer) Celestial Body Equatorial Diameter (km) Scientific Notation Earth 12,700 Moon 3.48 X 103 Sun 1,390,000 Jupiter 1.34 X 105 Mercury 4800 2. Theater ticket prices (in dollars) x years after 1997 are described by the polynomial -0....
March 4, 2011

Chemistry
1.278 mL of water at 10°C was placed in a 3.0 L container that was sealed and evacuated. Then, 3440 J of heat was added to the water. Determine the pressure inside the container after heating. (Assume all of the heat goes into the water.) d (H2O(s)) 1.00 g/cm3 Csp(H2O(s)) ...
March 3, 2011

Psychology
?? plz
March 2, 2011

Psychology
"It all happened for the best," "I would never have left that dreadful job if they had not laid me off," and "Yes, I miss mom's home cooking, but I am going to school and building my future." These are examples of: (Points: 5) avoidant coping...
March 2, 2011

chemistry
no its Charles' Law
March 2, 2011

chemistry
A high-altitude balloon contains 97.5 L of helium gas at 95.8 kPa. What is the volume when the balloon rises to an altitude where the pressure is only 21.5 kPa? (Assume that the temperature remains constant.)
March 2, 2011

geometry
A right triangle because 6^2 + 8^2 = 100 and the square root of 100 is 10 :)
March 2, 2011

Calculus
find the inflection points of x^4+5x^3-9x^2+6
February 28, 2011

chemistry
It's supposed to be 105 mL of H2O. SH of water: 4.18 J/g deg C SH of steel: 0.452 J/g deg C
February 26, 2011

3rd grade math
Ramon weighs 46 kilograms. Trentweighs 37,000 grams. Who weighs more<
February 24, 2011

Chemistry
How many moles are there in 80.0g of C2H5Cl? leave answer in significant figures. please help and explain how to get the answer.
February 23, 2011

Psychology
I thinks its A
February 23, 2011

Psychology
Evaluations of a particular belief, person, object, or idea describe a person’s: (Points: 5) attitudes. motivation. predispositions. biases. was thinking D im not sure can someone help please?
February 23, 2011

Calculus
Find the tangent approximation for sqrt(5+x) near 3
February 23, 2011

Psychology
thank you very much
February 23, 2011

Psychology
Carl Jung’s idea of the collective unconscious states that we share: (Points: 5) inherited universal ideas, wishes, and memories. common learning experiences in childhood or infancy. tendencies to sacrifice ourselves individually for the group. ideas that arise from, and ...
February 23, 2011

accounting
a mutual fund has total assets of $57000000 and liabilities of $ 8550000. if 15960000 shares are outstanding, what is the net asset value of the fund?
February 23, 2011

Calculus
Find the slope of the tangent line to the ellipse (x^2)/4 + (y^2)/9 = 1 at the point (x,y)
February 23, 2011

Calc
find the slope of the tangent to the curve: y^2=x^3/xy
February 22, 2011

Psychology
ok thanks
February 22, 2011

Psychology
can i get some help please?
February 22, 2011

Psychology
"I just can't make myself study ahead for a test. I work better under pressure. Perhaps it is the fear associated with waiting until the last minute that gets me going." This approach to motivation is best explained by: (Points: 5) incentive approaches. drive-...
February 22, 2011

maths
Michelle is making a scale drawing of a building. The scale for the drawing is 1 inch = 6 feet. The height of the building in the drawing is 7 1/4 inches. Determine the height of the actual building.
February 18, 2011

Math
Joe has a collection of nickels and dimes that is worth $6.05 if the number of dimes was double and the number of nickels was decreased by 10 the value of the coins would be $9.85 how many nickels and dimes does he have?
February 16, 2011

algebra
Solve using qaudractic formula.Then use a calculator to approximate to three decimal places, the solution as rational numbers. X^2-4x+1=0
February 15, 2011

algebra
Solve using qaudractic formula.Then use a calculator to approximate to three decimal places, the onlution as rational numbers. X^2-4x+1=0
February 15, 2011

Physics
You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 56 km/h (35mph ). A new model of mass 1900 kg takes 0.15 s from the time of impact until it is brought to rest. 1. Calculate ...
February 14, 2011

A U
Answers: 1:4 2:4 3:4 4:2 5:1 6:3 7:4 8:4 9:1 10:4 11:3 12:1 13:2 14:4 15:3 16:2 17:3 18:3 19:4 20:3 21:1 22:2 23:2 24:3 25:2
February 13, 2011

A U
<11{1[4(17)17]}> Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed ...
February 13, 2011

algebra
completetly factors the followin expression 4a^2-12ab+9b^2
February 13, 2011

statistics
It is well known that the heights of individual American men are normally distributed with mean 70 inches and standard deviation 2.8 inches. The Central Limit Theorem states that if n men are randomly chosen, then their average height will also be normally distributed with ...
February 13, 2011

chem
which of the following is insoluble (1)calcium chloride (2)ammonium phosphate (3)barium sulfate (4)potassium chromate
February 10, 2011

Science
in a true solution, the dissolved particles (1)are visible to the eye (2)will settle out on standing (3)are always solids (4)cannot be removed by filtration
February 8, 2011

Math
The following is a list of 11 measurements: -2,82,87,-1,-51,-2,53,87,-20,32,35 Suppose that these 11 measurements are respectively labeled . (Thus, is labeled , is labeled , and so on.) Round your answer to at least two decimal places.
February 8, 2011

pre-algebra-is my answer right
Today only, a desk is being sold at a 27% discount. The sale price is $219.00 . What was the price yesterday? Is it $300.00
February 8, 2011

Thanks
Thank You
February 8, 2011

pre-algebra-is my answer right
Graph -3x+4 My points are at (0,4) and (1,1)
February 8, 2011

statisics
A man rolls an ordinary die 6 times. What is the probability that he gets at least 5 threes? Round your answer to four decimal places.
February 7, 2011

statisics
I got 0.0001500
February 7, 2011

statisics
A man rolls an ordinary die 6 times. What is the probability that he gets at least 5 threes? Round your answer to four decimal places.
February 7, 2011

Algebra
Divide: (-8y^7x+15y^7x^6)/(-2y^2x^5) I got y^5(-8+15x^5)/-2x^4 It won't let me add parens. in the answer any suggestions. It does say simplify your answer as much as possible.
February 5, 2011

intermediate algebra
I got -y^5(15x^5-18)/2x^4 Is that right?
February 5, 2011

intermediate algebra
Divide: (-8y^7x+15y^7x^6)/(-2y^2x^5)
February 5, 2011

intermediate algebra
I got 20sqrt(2)-6sqrt(5)-2sqrt(10)+3
February 5, 2011

intermediate algebra
Multiply (2sqrt5 -1)(2sqrt10 -3)
February 5, 2011

Algebra
Find the slope of points (-2,2) and (2,1)
February 5, 2011

Algebra
thanks for the clarification I forgot to bring the 4 out as a 2
February 5, 2011

Algebra
Rewrite the following in simplified radical form. (sqrt24w^8) I got 4w^2sqrt6w is that right?
February 5, 2011

Algebra- is my answer right
I think it has to be written as m<= 80
February 5, 2011

Chemistry
what is the percent by mass of oxygen in propanal, CH3CH2CHO? the answer is 27.6 %. but i need to know why, please help !
February 2, 2011

algebra
list the terms, coeffcients, and degree of the following polynomial:x^4+6x^3-x+3/4
February 2, 2011

algebra
state the degree of the following polynomial : 2x^3y+7xy-9y
February 2, 2011

algebra
Bob's Barber shop estimates their gross revenue for the second qaurter to be given by the polynomial 9x^3+4x^2-6x+9. The shop estimates their costs for that quarter to be given by 7x^2+2x+1. For the second qauter,find and simplify a polynomial that will represent their profit
February 2, 2011

math
prime factorization of 980
February 2, 2011

math
5/7- 1/2 (1/3 + 3/7)
February 1, 2011

algebra 1a
Can you show me the step by step to solve -3(4y-2)<30?
January 30, 2011

algebra
y+x=-4
January 30, 2011

mat/116
solve by elimination method. 7r-2s=61 2r+7s=25
January 30, 2011

Writing EASY BRAINSTORMING
i want to known how to write it.
January 30, 2011

7th Math
Loises rate is 5 worfs per min sloer than coreys rate?
January 30, 2011

7th Math
If Loiuse can type 70 words in 2 minutes and Corey can type 120 words in 3 minutes, which statement is true?? Loises rate is 50 words per minutes slower than coreys rate or Louise rate is 5 words per minutes slower than coreys rate
January 30, 2011

phys
An airplane must reach a speed of 185 mi/h to take off. If the runway is 500 m long, what is the minimum value of the acceleration that will allow the airplane to take off successfully?
January 30, 2011

math
i mean 33/240.9
January 28, 2011

math
33 / 240.90
January 28, 2011

math
15/8 as a mixed number
January 28, 2011

algebra
Suzies flower shop estimates that supplies cost for one month will be given by the polynomial 3x^2+7x-3. She estimates the utilities costs for one month is given by 5x+2 Find and simplify an expression that would estimate suzie's total cost for one month.
January 27, 2011

Math
Solving First degree equations. 0.2x-0.3=0.1x+5 I am having a hard time entering this into my TI-84
January 26, 2011

math
simplify 4/5 - 1/2 (1/3 +3/8)
January 25, 2011

math
simplify 5/8 / 1/4 * 9/2
January 25, 2011

math
simplify 1/8 -(1/8)2 + (1/8)3
January 25, 2011

math
3 16/72+5 9/72= 8/25/72
January 25, 2011

math
8 25/72
January 25, 2011

math
Do I have to find the lcd first
January 25, 2011

math
find the average of 3 2/9 and 5 1/8 simplify and type a mixed number
January 25, 2011

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

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