Friday
April 18, 2014

Posts by MAry


Total # Posts: 3,166

Physics B
part 1 A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the coordinate system as follows: a 1.5 kg object at the origin, a 3.4 kg object at (0 m,1.8 m), and a 4.5 kg object at (4.2 m,0 m). THANK YOU!! Find the resul...

Physics B
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the coordinate system as follows: a 1.5 kg object at the origin, a 3.4 kg object at (0 m,1.8 m), and a 4.5 kg object at (4.2 m,0 m). Find the resultant gravitational ...

Math
Jane is x years old today. Her brother Kenny is 4 years older. After seven years their total combined age will be 24 years. Write a linear equation for their total combined age after seven years. Fine James age today.

Math
There are 40 questions on a class test. Six points are given for each correct answer and three points are deducted for each wrong answer. Find the number of correct answers for a test score of 105.

chemistry
Calculate the grams of solute needed to prepare each of the following. 55.0 ml of a 6.50 hcl solution.

Physics B
An air puck of mass 0.289 kg is tied to a string and allowed to revolve in a circle of radius 0.51 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 0.98 kg is tied to it. The suspended mass remain...

Physics
An air puck of mass 0.289 kg is tied to a string and allowed to revolve in a circle of radius 0.51 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 0.98 kg is tied to it. The suspended mass remain...

7th grade math ASAP please
2 is 43:51 4 is 15 packs for 3.95 10 is NO IDEA!!! Sorry for the last question but I hope I was a help on the first 2!!! :D Good luck on your Maths homework!! :D

college algebra
list the intercepts and test for symmetry. y=-8x/x^2=49

financial accounting
The lake theater opened on april 1.all facilities were completed on march 31. During april,the following events and transactions occured. Apr.2 paid film rental of $800 on first movie. 3 ordered two additional films at $1,000 each. 10 made $2,000 payment on mortgage and $1,000...

Physical Science
Sound travels about 1530 m/s in sea water. How many times faster does sound travel in sea water than in air? (The speed of sound in air at 25°C is about 345 m/s.)

chemistry
onic compounds have names that... (choose all that apply) might contain Roman numerals. might start with ammonium. start with the name of an anion. have prefixes, like di or penta. start with the name of a nonmetal.

chemistry
What is the chemical formula of the compound that forms between lithium (Li) and phosphorus (P)?

math
-2a+2=-14 -2a=-16 a=-16/-2 a=8

Accounting
I am given several hypothetical amounts and interest rates and need to find the amount of the rental payments. (Lessee-Lessor Entries; Sales-Type Lease) On January 1, 2011, Palmer Company leased equipment to Woods Corporation. The following information pertains to this lease. ...

math
Tina'goal this month is to earn$10,000.She earns $13,500 in total. What percentage did she meet her goal

business
why might a buyer want to participate in an industry consortium marketplace instead of setting up their own business

business
describe 3 departments that should be included in a small towns web site

Physics
Thank you!

Physics
would the radius be half of the 0.40m?

Physics
correction the velocity is 0.7 m/s

Physics
Determine the tension in a 40 cm long pendulum when a bob of mass 200g moving at 0.7 m.s is 15 degrees from the vertical?

math
how many feet are in 4 yards

science
Is glucose molecules broken down in both hases of respiration?

science
need help with what are the raw materials of respiration and their products?

english
Is the verb intransitive or transitive in this sentence? Jazz began in New Orleans.

GEN 105
• Describe how each practice activity reinforced or contradicted something about yourself

Math
What is the difference between counting the spaces between whole numbers and counting the tick marks?

Statistics
If you roll two dice what is the probablity of getting one 2? I think the answer is 1/6 but I'm not sure

chem
Yes, your states of matter are wrong. Since they are aqueous solutions, hydrogen and hydroxide should be written as (aq) not (g) since niether are gases.

physics
what device could use th earth's magnetic felds to produce energy and how it would work?

Math
a) Find the product (1/2x2+y2) x-y b) Simplyfy 5/3a2b x (-3/4ab3) x (-4/5a2b2) and find the value for 2= -2 and b= 1. c) Divide x (5x2 - 80 by 5x (x+4). Thanks in anticipation.

Math
what is the written form of .6045?

MATH
DIVIDE 64 BUNDLES OF NEWSPAPERS INTO TWO GROUPS SO THE RATIO IS 3 TO 5

algebra
Thank you

algebra
making linear equation from word problem At low altitudes, the altitude of a parachute and time in the air are linearly related. A jump at 2,880 ft use the US army T-10 parachute system last 120 sec. (A) find a linear model relating altitude a (in feet) and time in the air t (...

algebra
Thank you so much

algebra
making linear equation from word problem An airspeed indicator on aircraft is affected by changes in atmospheric pressure at different altitudes. A pilot can estimate the true airspeed by observing the indicated airspeed and adding it about 2% for every 1,000 feet of altitude....

algerbra
24+61+b+3a+b+3d How do you do this?!

culral anthropology
in anthropology the term culture referes to what

analytical chemisty
Calculate the pH and pOH of a 0.00002M solution of acetic acid.

chemistry
so 1508=18.36*26.37*x?

chemistry
A metal ring with a mass of 18.36 g undergoes a change in temperature of 26.37 oC. The energy change, or heat, required for this change in temperature is 1508 Joules. What is the specific heat of the ring?

Trig
A cylindrical tank, 6 foot in radius, lies on it's side parallel and against the side of a warehouse. A ladder leans against the building, passes over and just touches the tank, and has a slope of -3/4. Find the equation of the ladder and the length of the ladder

science 7 grade
You place 75 mL sea wter in a graduated cylinder with a mass of 55 grams mass of sea water and cylinder together is 140 grams what is the density of the sea water g/mL

Math
I have The Exact same problem I'm trying to Get all my missing work (the homework i dident do) Into the teacher and if your test grades are really low like mine you should probably get tutoring or ask a kid in the class to help you out But since progress reports are coming...

math
A jumbo jet carries 150 passengers, 30 in first class and the remainder in coach. If the average first class ticket is $550 and the average coach ticked is $150, how much will the airplane gross if the plane is full?

GEOMETRY
What is the distance between points (3, 1) and (0, –5)? Round to the nearest tenth.

geometry
Naomi draws a portion of a figure as shown. She wants to construct a line segment through R that makes the same angle with as .

Biology/Biotany
the rise of water in plants is presently most satisfactorily explained by which element: magnesium, sulphur, calcium, phosphorus, or manganese?

science
An airplane flies due north at 235 km/h relative to the air. There is a wind blowing at 65 km/h to the northeast relative to the ground. What are the plane's speed and direction relative to the ground?

algebra
t= ((square root of x)/4) + (x/1100), t=14, solve for x

algebra
algebra with pizzazz!In music,what does allegro means?

Health
What is bone strengthening? A. Activities that produce a force on the bones that promote bone growth and strength B. Activities that produce greater elasticity of joints C. Activities that heal injuries and diseases associated with the bones D. None of the above I need help pl...

computer
assuming a disk should never get 85% full and assuming you were generating 200MB of new data per week, at what point would you need to add another hard disk?

Math
Thanks, Steve! They are stand alone questions, so I'll ask my teacher what he means.

Math
Unit circle.... ugh. Probably have to make estimates, if I'm not to use a calculator.

Math
Well, now I'm just over thinking things...

Math
Actually it probably has something to do with trig identities...

Math
Correction, I should have said convert it to radians using a calculator or convert to radians using this conversion thingy: pi/180 degrees

Math
An other question states: "Solve: sin(35)" Again, same idea, how should I take this question? Should I just convert it into radians or should I just enter it into a calculator? The way they word these review questions are confusing to me. They should really be more s...

Math
Hello, I'm doing a review sheet for math and a certain question states: "solve: ln(3/4)" What should I take solve to mean? Do I just change it's form to ln(3/4) = ln3 - ln 4 ? Or, perhaps, I need to actually enter in the value into a calculator. How would you...

windows 7
asssuming a disk should never get 85% full & assuming you were generating 200 MB per week of new data, at what point would you need to add another hard disk?

Science
What would be a good sentence to describe Prime Meridian to a fourth grader?

chem(molarity)
a buffer contains 0.010 mol of lactic acid and 0.050 mol of sodium lactate per liter . How do I find the molarity of the acid and base?

childcare
A child throws a ball with speed and accuracy when he throws a ball to his teacher but his throws are slower and less accurate when plays with a group of friends. This difference is explained by A. classical stage theory B. probility theory C. locomotion-x theory D. Piaget`s T...

Theory to Practice
What fundamental motor patterns do girls tend to have than boys? a. throwing and kicking b. hopping and skipping d. running and jumping

Theory to Practice
Which of the following is an obstacle to learning for a beginning learner? A.Knowledge of what elements of the movement to focus on B. Chronic indifference characteristic between birth and age three C. Shorter time to monitor perceptual input from the visual system D, Difficul...

algebra
answer to 6r-6-3=15

social studies(femist)
Why do some women feel uncomfortable calling themselves feminist?

Human Services
where can I find examples for these questions? How has the way in which nonprofit organizations acquire funding changed over recent years? What implications do you see this having on the organization you have analyzed above? Consider who is giving to organizations and the crit...

Elementary Statistics
Heights of women have a bell-shaped distribution with a mean of 161 cm and a standard deviation of 7 cm. Using Chebyshev’s theorem, what do we know about the percentage of women with heights that are within 2 standard deviations of the mean? What are the minimum and maxim...

math
A man buys 3 items for $100. Each item is 50% less than the first. Total of all 3 has to be $100. Is this possible?

Financial accounting 2
If a building cost $600,000, has an estimated residual value of $240,000, has an estimated life of 36 years, and is depreciated by the straight-line method: a) What is the annual depreciation? b) what is the book value at the end of the 20th year?

math
Write the first six terms of each of the sequences whose nth term is a)(-3)n { ____, ____, ____, ____ , ____, ____ } b)3 – 4n { ____, ____, ____, ____ , ____, ____ }

math
how many dimes equal the same total amount as 1,000,000,000 pennies?

math
explain how you know the 6 in 364,021 is NOT in the thousands place.

physics
why it is easier to tear a paper off a full roll than a mostly used one? Is it because of Newton's law?

math
Identify the property of integers being illustrated in each of the following: johmmy a. (-2)(3)€ I b. (-4)0=0 c. -2(3+4)= -2(3)+(-2)4 d. (-2)3=3(-2)

math
95(12) + 24x = 5340 solve for x Simplify the following using properties of exponents. Leave answers as powers. 6^2.2^2.3^2 =

math
Using the distributive property of multiplication over addition, we can factor as in x2 + xy = x1x + y2. Use the distributive property and other multiplication properties to factor each of the following: 47.99 + 47 (x+1)Y +(X+1) x^2y+z^x3

math
The amount of bacteria after n min if the initial amount of bacteria is q and the amount of bacteria triples every 30 sec. (Hint: The answer should contain q as well as n.)

math
If two sets are subsets of each other, what other relationships must they have?

math
The following sets of ordered pairs are functions. Give a rule that could describe each function. Please show your work. A.{(5,3),(7,5),(11,9),(14,12)} B. {(2,5),(3,10),(14,17),(5,26)}

math
it is 17 not 7

math
well just wanted to see how you worked the answer

math
The following sets of ordered pairs are functions. Give a rule that could describe each function. A.{(5,3),(7,5),(11,9),(14,12)} B. {(2,5),(3,10),(14,17),(5,26)}

math
In the following, write an expression in terms of the given variables that represents the indicated quantity: a. The cost of having a plumber spend h hr at your house if the plumber charges $30 for coming to the house and $x per hour for labor b. The amount of money in cents i...

math
The following sets of ordered pairs are functions. Give a rule that could describe each function. A.{(5,3),(7,5),(11,9),(14,12)} B. {(2,5),(3,10),(14,7),(5,26)}

physics
which one best describes appr. uniform velocity? 1. a hockey puck sldng across the ice 2. a baseball pitched toward a batter 3. the tip of the minute hand on a clock 4. an olympic sprinter running the 100m

math
Can you make, using any math symbols, make four 8s equal 5?

prealgebra
At the same time that a 60-foot tall building casts a shadow that is 21.5 feet long, a nearby tree casts a shadow that is 18 feet long. Which measure is closest to the height of the tree?

OCHEM
I have the same question and it doesn't have any impurities.

english
oh yes, it's versus. Also, from the links you gave me, I found that versus means opposite. Thank you really much !!

english
antennae, involuntary , vesus Does any of those words mean opposite or contrasted with??

books
what is the theme for the book called OKAY FOR NOW

english
what is a theme give examples

math
35 is what percentage of 175?

math
the mean of a list of seven numbers is 45. if i add two numbers to this list the mean of he list becomes 37 what is the mean of the two numbers that i added to the list

chemistry
What is the electronic transition for LiCl using this equation 1/(7.01 ×〖10〗^(-7) )= R_H (1/4- 1/(n_f^2 ))

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