Saturday
April 19, 2014

Posts by Linda


Total # Posts: 1,219

science
The South Island of New Zealand lies at about 170 degrees East. What hemisphere is it in?

science/maps
On a topographic map, how would you show a hill with an elevation of 80 feet if the contour interval is 10 feet?

science/maps
Can a contour line on a topographic map connect a point with an elevation of 100 feet to a point with an elevation of 110 feet? Explain why or why not.

math
a car drives around a circular track 3 times if the track has a radius of 0.5 miles , how far did the car travel in total?

math
Thank you so much

math
the ratio of an executives expenses to income is 5 to 8. What are the executives expenses of a month when the income is $9,800?

math
thank you

math
A model train is built using the scale 1:60. The actual length of the dining car is 2,100cm. Find the length of the dining car of the model train.

math
Thank you

math
is that 52 divided by 5 or times 5 please.

math
a train traveled for 5 hours at a rate of 52 miles per hour..How far did the train travel?

math
write each ratio in simplest form... 224/480 42:68 500 to 125

managerial economic
Where might I find the answer to the following: US cigarette makers face enormous punitve damage penalties after a series of class action lawsuits. In spite of these the cigarette makers were able to avoid bankruptcy. I need to explain why and how using elasticity, supply, dem...

managerial economics
Thank you Ms. Sue

managerial economics
Discussing employee benefits, using the consumer behavior theory. Question is how do you think flexible benefit packages affect an employee's preference between higher wages and more benfits?

math
thank you

math
write each ratio in simplest form 3.5 to 0.5

math
ok thank you

math
If a scale on a map is 2.5 cm to 30 miles..if two cities are 8 cm apart on the map what is the actual distance between the 2 cities? I have 96 miles but not sure if that is right.

chemistry
determine the molarity of a 18 ml sample of HCl solution that is required to prepare 30 ml of 2.3 M HCl solution?

math
ok thank you

math
a squirrel runs 12 mph how far can it go in 5 minutes?

math
if a cheetah runs 64 mph how far can it run in 15 minutes?

geometry
If a triangle has angle measures 15, 120 and 45, and the length of the side between the 15 and 120 angles is 8, what is the area of the triangle?

chemistry
vinegar is made by adding 33 g of acetic acid to 625 if water what is the percent by mass of acetic acid in this solution of vinigar

mathematics
train L - 3hrs and 12min train M - 2hrs and 48 min

math
Thank you so much

math
on a map with a scale of 2 cm = 25 km, what would be the dimension of a 145 km by 80 km rectangle?

math
Thank You Ms. Sue

math
If it takes a person to walk 30 minutes in 3 miles..how many minutes would it take a person who walks 3.5 miles be?

math
Thank you Ms.Sue

math
if a scale on a map is 1 in. = 250 miles, what would be the map distance if the actual distance between two cities is 1,000 miles?

math
on a map with scale 2 cm:25km, what would be the dimensions of a 145 km by 80 km rectangle?

College Math
row reduced form

College Math
Given the initial augmented matrix 1 -1 0 2 3 -2 -2 3 -2 2 1 -3 RREF?

math
thank you for helping me

math
an object that weighs 234lb on jupiter weighs 100lb on earth. what would an object that weighs 400 lb on jupiter weigh on earth?

Math
COMPUTER PRODUCTION MVE Enterprises can manufacture four different computer models; the Student, Plus, Net, and Pro models. The following gives the configurations of each model: STUDENT PLUS NET PRO Processor Celeron Celeron Celeron Pentium Hard Drive 20 gb 20 gb 20 gb 30 gb F...

ecomerce business
A store specializing in collectible china and plates has decided to move into e-business. However, the store is unsure about how to get the word out about its new site and has hired your team to assist it. Brand and identity: What are the pluses and minuses of keeping the exis...

Science
Calculate the change in temperature with respect to height for the following, Height (KM) Mid-Lattitude Temp (C) 0 15 11 -56 16 -56

chemistry
A samples with a mass of 35 grams and a temperature of 97.3 degree c is placed into 75.0 g of water at 19.7 degree c. The final temperature is 22.3 degree c, what is the specific heat of the sample?

Intermediate Accounting
Purchased dental equipment on January 1 for $80,000, paying $20,000 in cash and signing a $60,000, 3-year note payable. The equipment depreciates $400 per month. Interest is $500 per month

science
what is an idea that i could use to explain the water cycle including evaporation, condensation, run off, etc?

englsh
it said use a verb and an ajective, could u give me example of one sentence please so i can follow.

MATH
Thanks a lot:)

MATH
Y-8 = -4/3(x+3) If this was in slope intercept form I would have been able to plot it on the graph, but all the fractions and stuff are mixed up so how do I do this?

HELP MATH URGENT
thx so much helper<3

HELP MATH URGENT
X-5y+10 = 0 I dont know how to convert general form to slope intercept, how do I figure this out? Please help me:(

dressmaking
1} A {2} A {3}B{4}D {5} C {6} A {7} B {8} A {9} C {10} C

Econimics
What has been the effect of DRGs on hospital admissions and the length of stay? What are some advantages and disadvantages of DRGs?

math
how do I find the volume of a pyramid with a square base, 20 meters on each side, and a height of 21 meters

English
Thanks! I think the 4th is dramatic.

English
I am looking for 4 kinds of narration in a short story.

healthcare
Should the United States allow the direct marketing of medications in print and on television? Support your response. How do you feel direct marketing affects the cost of prescription medications?

ECONOMICS
What would be the risks and benefits of a young healthy person choosing a managed care plan What would be the risks and benefits of an older person with a chronic disease selecting a managed care plan?

English
I am having trouble coming up with a thesis statement for an essay. I need to compare and contrast how I view nature to the way Tenyson and Wordsworth view it. I have to focus on what these observations say about my culture, society,a dn religion. My idea: Three contributing f...

development
What is the importance of each domain of adult development physical,coqnitive,and socimotinal.

Math
How could you define the perimeter of a non-simple closed curve? Give an example in your explanation.

Chemistry
10 mole of NH3

Business Math
30 gals. with 15% spoilage=4.5 gals.profit(30x1.58)x1.2=56.88 gals.xpricexcost+20%56.88./.25.5gals.=markupfor remaining gals. no-2.23 round 5gals.spoiled 56.88./.25=2.28 not it so round off 4gals. 56.88./.26=$2.1876 or $2.19

Physics
When a mass-spring system oscillates with a small amplitude of A1, it has a period of 1.0 s. If the system is then made to oscillate with a larger amplitude of A2 = 2*A1, what is the new period? Thanks!

Chemistry
What kind of pressure would be exerted by 5 moles of water vapor if it were contained in a 0.5 liter bottle heated to 1000K?

algebra
the number of cats that are homeless can be modeled by the equation N= 2.1t squared - 82t + 95 where N is the number of cats that are homeless and t=0 set as the current year.Use the quadratic model to find the number of years from now until the number of homeless cats is equa...

Psychology
Create an operational definition of self-confidence using peer reviewed articles as reference

Calculus
Represent f(x)= (e^x -1)/x as a power series.

PreCalc
The total electrical resistance R of two resistors connected in parallel with resistances R1 and R2 is given by 1/R=1/R1+1/R2. One resistor has a resistance of 2.3 ohms. Let x be the resistance of the second resistor. Express the total resistance R as a function of x. How do I...

physics
A loudspeaker is placed between two observers who are 111 m apart, along the line connecting them. If one observer records a sound level of 51.9 dB and the other records a sound level of 82.5 dB, how far is the speaker from each observer?

chemistry
Given the table of Ka values on the right below, arrange the conjugate bases in order from strongest to weakest. Acid Ka HClO 3.5 e-8 HClO2 1.2 e-2 HCN 6.2 e-10 H2PO4- 6.2 e-8 A. ClO2-, ClO¬-, HPO42-, CN- B. ClO2-, HPO42-, ClO¬-, CN- C. CN-, HPO42-, ClO-, ClO2¬- D....

calculus
1. e^ln3 - 2lnx 2. 2(lnx)^2 + lnx - 1 =0 3. d/dx (e^x . e^e^x)

Algebra 1
Thank you!

Algebra 1
is the slope y1-y2 over x1-x2?

Algebra 1
Ok-but what is the formula using x and y variables?

Algebra 1
how do I find the slope of the graph of the linear function "f"? f(2) = -3,f(-2) = 5

Substance Abuse
only certain people can become alcoholics? True or False. I think Its False?

Help Please
True or False? Beer and wine are less intoxicating then whiskey.

history
Writing a paper.... Has Israel gained or lost ground in the last 20 years?

history
I am thinking of writing a paper on Israel. What countries are threatening Israel?

Math
Can you figure out this message? ZASMEZASIXP IP JUT One clue the first word starts with an M

chemistry
calculate the energy of a wave that has a frequency of 3.5*10^8 m/s

Banking
What is the bottom line on an income statement ? A. The gross margin B. The final sales C. The total operating expences D. The net income (or loss)

chemistry
how to balance chemical equations

Physics
A 120 kg astronaut (including space suit) acquires a speed of 3.00 m/s by pushing off with his legs from an 1900 kg space capsule. What is the change in speed of the space capsule? As the reference frame, use the position of the space capsule before the push. if the push lasts...

Statistics
0.8

Physics
A 21.0 kg child descends a slide 3.4 m high and reaches the bottom with a speed of 2.0 m/s. How much thermal energy due to friction was generated in this process?

Physics
A cyclist intends to cycle up a 7.5 degree hill whose vertical height is 170 m. Assuming the mass of bicycle plus cyclist is 95 kg, calculate how much work must be done against gravity. If each complete revolution of the pedals moves the bike 5.6 m along its path, calculate th...

Physics
A 58 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 15 m, and falls a total of 36 m. Calculate the spring stiffness constant k of the bungee cord, assuming Hooke's law applies. Calculate the maximum acceleration she experienc...

Physics
A projectile is fired at an upward angle of 25.0^\circ from the top of a 310 m cliff with a speed of 220 m/s. What will be its speed when it strikes the ground below? (Use conservation of energy.)

biology
it is possible that he would be homozygous but not ccertain because some males have an extra chromosome foe example : the normal male has "XY" and another male may have "XXY" which means its possible for a male to be heterozygous but its not common. Now if ...

Stout
A chocolate chip cookie contains about 200 kcal. How many kilowatt-hours of energy per day does it contain. How long could you light a 100-W light bulb with the energy from the cookie?

inter Alegbra
r+s=5 3s+2t=-1 4r+t=14 ican u breakdown the answer I get half way though i forgot the last pat wheater i put it back into the original equationn alot of steps i get lost

inter Alegbra
A start up computer company can sell 1000 computers if they price them at $500. The number sold will increase by 10 for every $1 decrease in the price. The company has fixed costs of $100,000, and each computer costs $300 to produce. Find the price that will maximize the compa...

inter Alegbra
thank you henry you rock

inter Alegbra
Pick a car and find its top speed. Assuming that your chosen car reaches its top speed at the top of a ramp, leaving the ramp vertically 20 feet about the ground: 1.) When will the car land back on the ground? 2.) When would the car be traveling the fastest? 3.) When would the...

inter Alegbra
A startup company can sell 1000 computers if they price them at $500. The number sold will increase by 10 for every $1 decrease in the price. The company has fixed costs of $100,000, and each computer costs 4300 To produce. find the price that will maximize the company's p...

microeconomics problems
The GreenAcres mowing company wants to buy the new “Titan3000” lawn mowers. Assume that the lawn mowers are expected to last indefinitely, that operating expenses are negligible, and that the price per acre of mowed lawn is expected to remain constant in the future. ...

inter Alegbra
is $14 by completing the square

inter Alegbra
A band can sell 80 CDs at concert if they sell the Cds for $12 each. For every $1 increase in the price, they will sell 5 fewer Cds. Determine the price for a CD that will maximize the band's revenue.

intermidiate algebra
pick a car find its top speed. Asusuming that your chosen car reaches its top speed at the top of a ramp, leaving the ramp vertically 20 feet about the ground? 2. When would the car be traveling the fastest? 3.)When would the car be traveling the slowest? 4.) based on the spee...

economics
A monopolist faces an upward-sloping marginal cost curve. Its profit-maximizing quantity will be a. at the minimum point of the marginal cost curve b. less than the (total) revenue-maximizing quantity c. equal to the (total) revenue-maximizing quantity d. in the unit elastic ...

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 51 km/h (32 mph). A new model of mass 1900 kg takes 0.18 s from the time of impact until it is brought to rest. Calculate the...

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