Monday
July 28, 2014

Posts by Mari


Total # Posts: 94

Math
Write a formula expressing the information: i)Rose paid twice as much as Mike I used R for Rose and M for Mike The formula I cam up with is R=2M ii)Taxes are 6 percent of income [Use T and x] So I wrote it like this T(0.06)/X iii)There are twenty times as many students as prof...

PreCalculus
A wire is 200 inches long is cut into three pieces, two of equal length, each twice as long as the third. How long is the third piece?

american history
Which of the following statements about the Southern planter's world is most accurate? A. Most great planters of the Old South were self-made men. B. The stereotype of the "southern belle" is fairly accurate. C. The wives and daughter of plantation owners lived l...

Chemistry
What is the density of carbon dioxide gas at 25 C and 779 mmHg?

Math
Evaluate 3X /4 if X=2

math
describe a situation in which you might use each calculation a)9/8 divided by 2/3 b)1 and 2/3 divided by 2 and 2/3

Language
What impact do ignorance and stigma have on people who are HIV-positive in Malawi and other African countries? It'll b much helpful if you dont give links Thank u :)

History
how have the metis retain their culture in modern canada

Math
Explain how to calculate 1/4 divided by 1/8 using reciprocal fractions

Math
Explain why 0.4 divided by 0.2 has the same answer as 4 divided by 2. (Hint: Convert the decimals into fractions with a denominator of 10.)

History
I need help on a few questions.. Full sentences would be nice. 1. When was Rupert's Land given to Prince Rupert? 2.What areas of land does Rupert's land cover? 3.What is called Rupert's Land now?

Science- help asap plz
Thanks :)

Science- help asap plz
think about the role that trees play in the water cycle. what are two of the ways in which they are part of the cycle?

Science- still waiting
okay

Science- still waiting
My teacher wants different examples than that.. I don't know what other examples to write

Science- still waiting
Give 2 examples for each state of fresh water: a) solid b)liquid c) vapour?

Science
Give 2 examples for each state of fresh water: a) solid b)liquid c) vapour?

scince
As you drive down the highway you may see crows feeding on dead animals. As a result of this nutritional pattern,crows may be classified as

Calculus (Math)
Integral of (cot4x)^5 (csc4x)^7

writing and linear equations
the measure of one angle is described as twelve more than four times a number. its supplement is twice as large. find the measure of each angle.

math
I have a pizza that measures 36 by 21 that needs to cut into equal pieces with no left overs. What is the length of longest side?

chem
Consider two identical iron nails: One nail is heated to 95 °C, the other is cooled to 15 °C. The two nails are placed in a coffee cup calorimeter and the system is allowed to come to thermal equilibrium. What is the final temperature of the two nails?

Statistics
Step 2 - Transform the sample mean into a z-score (p. 133) x̅ = 26, N = 30, σ_X=6 Z = (X- µ)/(σ_X/√N) = (24- 26)/(6/5.4772) = (-2)/(1.0955) = 1.8257 Z = - 1.83 The z-score table notes that the area between the mean of 26 and the z-score of 1.83 = .46...

Statistics
Darned old Foofy! Foofy computes the x̅ (MEAN) from data that her professor says is a random sample from population Q. she correctly computes that this mean has a z-score of +41 on the sampling distribution for population Q. Foofy claims she has proven that this could not...

Chemistry
under the same conditions of temperature and pressure , does hydrogen iodide and ammonia diffuse faster? calculate the ratio of the velocities

math
An arithmetic sequence is represented in the following table. Enter the missing term of the sequence. 10,-2,-14,-26,?...

Math
If a 6 meter pole and a 3 meter pole are connected by wires from the top to bottom, how tall is the pole touching the intersecting wires?

Math 209
THE FEDERAL DEBT D IN TRILLIONS OF DOLLARS HELD BY FOREIGN AND INTERNATIONAL INVESTORS x YEARS AFTER 1970 CAN BE MODELED BY D(x) = WHERE 15 ≤x≤ 40.

Chemistry
The half-life of C-14 is 5700 years. If it took seven half lives for a sample of C-14 to decay completely, how many years would have gone by?

Economics
Owners of digital cameras have to buy memory cards in order to use the cameras. Cameras and memory cards are: A. substitutes. B. complements C. unrelated. D. elastic.

chemistry
how many silver coins weighing 26g each would take to provide 5 moles of silver

math
Can (-x – y) (x + y) be multiplied by using the difference-of-squares formula? Explain why or why not

Economics
rent

calculus
verify that y=c/x^2 is a general solution of the differential equation y'+(2/x) y=0-6y=0 then find a particular solution of the differential equation that satisfies the side condition y(1)=2

calculus
the management of a company has decided that the level of its investment should not exceed C dollars. Furthermore, managament has decided that the rate of net investment (the rate of change of the total capital invested) should be proportional to the difference between C and t...

calculus
verify that y=C1e^2x + C2e^-3 is a solution of the differential equation y''+y'-6y=0

I really need help..(Algebra)
Solve the equation. Show your work. 3m^2=-6m

algebra
What? Retype the equation.

algebra
What do you want to do with that?

Algebra; HELP PLEASE!
Solve the equation. Show your work. 3m^2=-6m

Math; PLEASE HELP
Thank you.

Math; PLEASE HELP
Solve for x. Provide an explanation, please. -X^2+36=0

trig
refer to right triangle ABC with C = 90degrees. Given a= 2 and b=√5 Find the six trigonometric functions of A. and find the angles A and B

calculus
Given a right circular cone, you put an upside-down cone inside it so that its vertex is at the center of the base of the larger cone, and its base is parallel to the base of the larger cone. If you choose the upside-down cone to have the largest possible volume, what fraction...

Math, help needed
Kate bought 3 CDs and 1 DVD at a store. Her friend Joel bought 2 CDs and 2 DVDs. If Kate spent $20 and Joel spent $22, determine the cost of a CD and DVD. ~Please provide an explanation as well. Please and thanks!

Math.
Kate bought 3 CDs and 1 DVD at a store. Her friend Joel bought 2 CDs and 2 DVDs. If Kate spent $20 and Joel spent $22, determine the cost of a CD and DVD. ~Please provide an explanation as well. Please and thanks!

Algebra
Thank you, that helped lot. :3

Algebra
Last month, Stacie spent $57 on 4 allergy shots and 1 office visit. This month she spent $9 after 1 office visit and a refund for 2 allergy shots from her insurance company. How much does an office visit cost? An allergy shot?

trig
Find theta such as tan(theta) = cot(theta+45). Thanks

science
Ok I do it 80×8=640

science
Do I ×8 andthe80

science
Which object is it

science
What do you mean ok the Bucket has 256 fluid ounces the Punch Bowl has 240 fluid ounces and Fish Tank has 640 fluid ounces and last the Sink has 512 fluid ounces

science
What object has a capacity of exactly 80 cups. 1.Bucket 2.Punch Bowl 3.Fish Tank 4.Sink

7th math
Mary earns $8 per hour.Write an algebraic expression to evaluate how much money Mary will earn if she works for 15,20,25,or 30 hours.

physics
A .50kg ball is rolling on a frictionless surface at a speed of .75m/s. it collides with a second ball with a mass of 1kg which is also moving in the same direction as the first ball with a speed of .38m/s. After the collision the firt ball continues at a reduced speed of .35m...

math
How many ways can we select a group of 4 people from a class of 27? Please explain

science
Yes a dishwasher is a wheel and axle.

hca 250
I need an example of a pain disorder (somatoform disorder). Anyone have any suggestions?

calculus
Find the derivative using the limit process y=cox find dy/dx

HCA 230
what is America cultural viewpoint on health in regards to health as organic, health as harmonious, and disease as a curse or stigma?

algebra
thank you

algebra
or y=6?

algebra
that's what i was thinking too. haha um...6y?

algebra
-144y/-24 simplified = 6 is this correct?

6th grade
What type(s) of friction oppose the motion of a fast-moving car on a road?

HCA 230
describe different coping annd support strategies for dealing with stress related medical issues. Include the following strategies action facilitating support and nurturing support. I just need to figure out what are some stress related medical issues??

HCA 210
thank you Ms. Sue

HCA 210
what are two positive patient outcomes

HCA 210
That website wasn't much help because you have to buy something to get information.

HCA 210
I am having trouble figuring out how to write a proposal for a new health care system. Any tips on how to write a proposal?

physical science (light)
1. An object 5 millimeters high is located 15 millimeters in front of a plane mirror. How far from the mirror is the image located? A. 5.0 millimeters B. 7.5 millimeters C. 15 millimeters *** D. 30 millimeters 2. Which of the following values represents an index of refraction ...

HCA 210
this is the week 7 checkpoint

Chemistry
DrBob, for your first example should that be Al(NO3)2 or Ag(NO3)2? Because you have Al on the reactant side.

Physics
A uniformly charged sphere has a potential on its surface of 410 V. At a radial distance of 20 cm from this surface, the potential is 150 V. The Coulomb constant is 8.99 × 109 N · m2/C2.What is the radius of the sphere? Answer in units of m.

Chemistry
How much heat is required to change 10 g of ice at 0o deg C to steam at 100 deg. C?

chemistry
A 43 kg sample of water absorbs 302 kJ of heat. If the water was initially at 29.8 degree celsius, what is its final temperature? sorry about before i forgot the units.

Chemistry
A 43 sample of water absorbs 302 of heat. If the water was initially at 29.8, what is its final temperature? i been trying to solve this problem all day long, but i just don't understand how to do it. please help me. thanks..

unit rate
460 miles for 20 gallons

physics
A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 18 m/s. The cliff is 52 m above the water's surface. How long does it take for the stone to fall to the water? With what speed does it strike the water?

Algebra 2
Solve this using "inverse of the matrix". 3x-y=12 -x+8y=-4

government
I have to write a bill about "student loans"... Can you give me an idea?...

SAT essay
i would give it a 5. i think it was reely good. im writing an essay on the media also. i think you should add a bigger conclusion.

English Language
My son's teacher asked him to give the opposites of these words..I can't seem to think of them myself..I am sitting here breaking my head, can anyone please help me. 1. bread 2. sack 3. peek 4. bare 5. wrap 6. cent 7. cell 8. knit 9. knot 10.lead

Geography
what has been one of the chief obstacles to industrialization in this region?

french
est-ce que tu viens pour les vacances means what???

Making a business plan
Please check my answer thank you very much Based on the following information below please answer the question that follow. Area A: Brooklyn Brooklyn is a very heavily populated urban area within commuting distance from Manhattan by subway, bus, or car. Brooklyn has communitie...

Creating a Business Plan
Please check my answers thank you very much Based on the following information below please answer the questions that follow. Area A: Brooklyn Brooklyn is a very heavily populated urban area within commuting distance from Manhattan by subway, bus, or car. Brooklyn has communit...

science
If i place a clear glass of water on the kitchen table what else would i have to do to illustrate how light gets refracted

Physical Science
A sample of copper can be drawn into thin wire. Is this chemical or physical property?

Art
the best artist that use the most rhythm is T.I and bow wow

physical science
if a piece of material with a mass of 1.55kg is placed in the ocean, what must the maximum volume be to float? D=1.4g/cm3

acids and alkalis
theres lots of types of acids and alkalis!!! Is tooth paste a acid?? or alkali??

algebra 1
255m

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