Tuesday
July 29, 2014

Posts by MAry


Total # Posts: 3,237

1st grade same sound
which one of the 3 words has the same sound as boat? sol slow do

anatomy
I have 2 problems/questions I am unsure of the answers. The first one is "how would you demonstrate the Valsalve maneuver using the model lung?" and 2. If a woman is breathing rapidly and deeply after exercise, would TLC, RV, TV, IRV, and ERV stay the same, increase ...

math
is 2x - 5 = 5 = 7x = 3 a linear equation

Anthropology
Ethnographic methods are to ethnological methods as

Biology Question
I have 2 problems/questions I am unsure of the answers. The first one is "how would you demonstrate the Valsalve maneuver using the model lung?" and 2. If a woman is breathing rapidly and deeply after exercise, would TLC, RV, TV, IRV, and ERV stay the same, increase...

calculus: related rates
:O Thank you so much, for some reason i totally forgot about the product rule! hahah... :)

calculus: related rates
hello, please help me. A cylindrical can is being heated with its height increasing at the rate of 0.01cm/min and its diameter at the rate of 0.005cm/min. At what rate is the volume increasing when the can has a diameter of 15cm and a height of 20cm. this is how i'm going ...

A&P II
I have 2 problems/questions I am unsure of the answers. The first one is "how would you demonstrate the Valsalve maneuver using the model lung?" and 2. If a woman is breathing rapidly and deeply after exercise, would TLC, RV, TV, IRV, and ERV stay the same, increase ...

physics
A small plane mass 600 kg lifts off from the runway at a speed of 145 Km/Kr. 2 Minutes later, the plane has reached an altitude of 300 meters and its airspeed has dropped to 90 Km/Hr. Assume the power output of the engine was constant during this time. Ignore air resistance a...

Physics
A mas of 100 Kg hangs from a cable secured to a steel pole and supported by another cable as shown below. Find the tension (T) in the support cable and the force (F) on the steel pole.

Physics
A mass sits at the top of a 2 meter long ramp inclined at an angle of 30 degrees (to the horizontal). When the mass is released, it slides down the ramp and then onto a level floor. If both the ramp and the board have a coefficient of .25 (Friction), how far out onto the floor...

physics
At a low point in its swing, a pendulum bob with a mass of 0.2kg has a velocity of 4m/s. Ignoring air resistance, how high will the bob swing above the low point before reversing direction? Please explain and show work.

Algebra
add (3c^4-2c^3+11c-9)+(c^5+7c^3+4c^2-3c+6)+(-6c^4+c^2-5c-5)

algebra
factor completely 4s^2-25

geometry
April wants to add a ribbon border to the circular rug in her living room. If the area of her rug is 113.04 square feet, how long does the ribbon need to be?

social studies
it will show u in gooogle

statistics
The average salary for graduates entering the actuarial field is $40,000. If the salaries are normally distributed with a standard deviation of $5000 (σ = 5000), find the probability that a graduate will have a salary over $45,000: P(X > 45,000).

statistics
.0392

math
Tiny is ordering a pizza and cant decide between a round pizza with a diameter of 4 inches or a rectangular pizza that is 12 inches by 14 inches. The round pizza is 9.50 and the rectangular pizza is 10.00. Which is larger? How much larger is it? Which pizza is the better buy a...

Chemistry
A solution is prepared by mixing 3.5 g of nitric acid with enough water to make 8.00 L of solution. Find the [H3O+], [OH-], pH and the pOH

math
From the pizza shop, James walks 12 blocks south, 22 blocks east, 18 blocks north, and 30 blocks west. What is the least number of blocks that he must travel if he returns to the pizza shop? Explain how you got your answer – draw a picture or write a sentence.

math
Bob made a square table top with 100 white square tiles. He painted the tiles along the edge of the table red. How many tiles are red? You must show your work

Algebra
give exact and approximate solutions to three decimal places. x^2+5x-7=0

algebra
A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What is the maximum area that the farmer can enclose with 80 ft of fence? what should the dimensions of the garden be to give this area. The maximum area that the farmer ca...

algebra
Thank you so much

algebra
Is the answer First page 48 second page 49

algebra
I am not sure how to figure this out...can you help a little more

algebra
A student opens a mathematics book to two facing pages. The product of the page number is 2352. Find the page numbers. The first page is__________ The secnd page is__________

science
which of the following is a physical change? Milk becomes sour An iron nails rusts All the water in a solution of salt water evaporates leaving a lot of crystals of salt in the bottom of the dish A wooden log is burned leaving ash in the fireplace

biology
Recruitment of b cells

SUE PLEASE HELP
its D

Algebra 2
What is the probability when you roll 2 dice and you roll a number greater than 4 on the first dice and a 2 on the second dice? pls help :)

AP CHEMISTRY
A buffer, consisting of H2PO4− and HPO42−, helps control the pH of physiological fluids. Many carbonated soft drinks also use this buffer system. What is the pH of a soft drink in which the major buffer ingredients are 7.20 g of NaH2PO4 and 4.90 g of Na2HPO4 per 35...

Chemistry
Each of the following processes is spontaneous as described. Which one will have ∆H approximately equal to zero? 1. precipitating 1 mol of AgBr(s) from a solution of Ag+(aq) and Br−(aq) 2. 1 L He(1 atm, 298 K) + 1 L Ar(1 atm, 298 K) → 2 L He/Ar mixture(1 atm,...

5th grade Math
Insert parentheses in the false number sentence to make it true. -3+5*2-(-6)=37

Algebra 2
if one class had 20 students participating in the taste test and each student's rating is represented as ak, how do you write the formula for finding the mean rating using summation notation?

Math
Adriano. two is prime as are all the other numbers in his pattern.... hong-li wrote 6 and 6 can be divided by 2 and 3 therefore not prime. Latrell wrote 9 and that can be divided by 3 so 9 is not prime.

bio
In 3 or more sentences describe the structure of a water molecule and its unique properties

HIS/115
Compare European settlements in New England, the Middle Colonies, the Chesapeake, and the South in terms of goals, governments, social structures, and religions. What similarities do you find most remarkable? What differences do you find interesting? Why?

US HISTORY
Why did prohibition take place in mostly rural areas.

Math for Liberal Arts Major
Find the solution set for the following inequality: x+1>1/2x-11

maths
Given that the equation of the parabola is 5y^2 + 24x = 0. Find (1)The Axis and vertex of the parabola (ii)The focus and the directrix (iii)The distance from the directrix to the focus

KNOWLEDGE
Indian movie that won oscar

health
patricia had a car crash while she was on her way to work one morning.she was badly injured and needed to have an arm amputated.explain three effects that patricias physical disability may have on her self-concept.patricias husband,andy is a teacher.explain three ways that pat...

social work
What are some of the issues that need to be addressed in the hiring of competent staff in working with people with disabilities? I am only finding information about employing those with disabilities. How do I phrase this question to Google or ideas where to look?

pos/110
civil liberties:currently do we need more or less protection of this liberty in contemporary American society

Physics
A block is suspended from the end of a spring. An external force holds the block so that initially the spring is not stretched or compressed. When the block is released, it oscillates up and down between positions A and B. If the mass of the block is 0.5 kg and the spring cons...

PH103
Truth tables can a. display all the possible truth value involved with a set of sentences. b.determine what scientific claims are true. c.determine if inductive arguments are strong. d.determine if inductive arguments are weak.

Physics
What is the truth value of the sentence "Pv~P" A. True B. False C. Cannot be determined D. Not a sentence

Calculas
Find any critical numbers of the function. (Enter your answers as a comma-separated list.) g(t) = t sqrt6 − t , t < 13/3 I don't even know how to start out!

AP CHEMISTRY
Write the formula for each of the following compounds, being sure to use brackets to indicate the coordination sphere. A) bis(bipyridyl)cadmium(II) chloride B)potassium tetrabromo(ortho-phenanthroline)- cobaltate(III)

AP CHEMISTRY
Calculate [OH-] and pH for the following strong base solution; a solution formed by mixing 10.0 mL of 0.011 M Ba(OH)2 with 28.0 mL of 7.4 10-3 M NaOH working and answer would be appreciated

algebra
solve square root of y+5-1=2

Physics
An electron and a proton are each placed at rest in an electric field of 363 N/C. What is the velocity of the electron 76.1 ns after being released? Consider the direction parallel to the field to be positive. The elementary charge is 1.60218 × 10 −19 C...

algebra
4 less than d

math
4x-y=3 4x+y=1 show work and explain

AP CHEMISTRY
An unknown salt is either KBr, NH4Cl, KCN, or K2CO3. If a 0.100 M solution of the salt is neutral, what is the identity of the salt?

math
its 1 times 6, not 16

math
is it multiply or is it x? if its multiply i think its p16

AP CHEMISTRY
1)calculate [OH-] and pH for each of the following solutions. (Kw = 1.0*10^-14.) a)0.101 M NaF b) 0.030 M Na2S c)a mixture that is 0.019 M in CH3COONa and 0.036 M in (CH3COO)2Ba please help and if u can try to explain

AP CHEMISTRY
THANX

AP CHEMISTRY
If a solution of HF (Ka = 6.8*10-4) has a pH of 3.42, calculate the total concentration of hydrofluoric acid.

james giles math
is that it?

managerial accounting
40%

math
how can i make a fraction into a pound

math
i tried to simplify 10/8 i got the answer of is 2/4 am i correct

Chemistry
How many grams of potassium phosphate must be dissolved in 3.75 Liters of water to produce a soltuion that contains 8*10^23 potassium ions?

chemistry
I got to 4x^3 + 6x^2=1.12x10^-12 (my moles of potassium chromate is 1.5 instead of 1) but now I'm stuck

Math
You have $47 to spend on music and movie downloads. Each album download cost $7 and each movie download costs $8. Write and graph a linear inequality that represents this situation. Let x represent the number of albums and y the number of movies.

Math
Please show me how to set and solve: The sum of two numbers is 90. Their difference is 12. What are the numbers?

amer lit
how does the song dirty little secrets by the all american rejects apply to the scarlet letter

math please help
determine the domain of the real valued function f(x) = sqrt(5 - (sqrtx))

Logics
Logicians regard the following as the meaning of the word "argument." (Points : 1) a. A hostile and emotional dispute b. A poetic tribute to Spring c. A set of reasons put forth to support a claim d. The kind of thing one has with a spouse

statistics
Find the mean of the given probability distribution. The number of golf balls ordered by customers of a pro shop has the following probability distribution.

Physics
A child insists on going sledding on a barely snow-covered hill. The child starts from rest at the top of the 60 m long hill which is inclined at an angle of 30o to the horizontal, and arrives at the bottom 8.0 s later. What is the coefficient of kinetic friction between the h...

math
correction!!! f(x) = sqrt( 5 -(sqrt x))

math
determine the domain of the real valued function f(x) = sqrt(5 - (sqrt5))

Human Services
I have a problem with APA formatting and how to cite Example 1 According to McNamara, n.d The Question---my answer Or do I need to cite each question The amount of questions are about 100

physics
need help with this question does anyone know the answer

Chemistry
1.9 mol HCl and 3.8 mol NaOH react according to the equation HCl + NaOH −→ NaCl + H2O . Calculate the amount in moles of NaCl formed. Answer in units of mol

Chemistry
How much water, in grams, can be made from 3.59 × 10^24 hydrogen molecules? Answer in units of g

History
Analyze the appeal of the Omaha Platform to people who felt that industrialism was too dominant in the economic and social foundation of the United states.

Math
If a line is measured as 1 4/8 inches how would simplify measurement

History
During the late 1800's, the Populist Party supported all of the following EXCEPT? a.) high tariffs b.) tight controls on inflation c.) lower interest rates on loans d.) government control of railroads I think it's either A or B???

Algebra
I need help with a riddle my Algebra teacher gave us? Why did the square root of 9 refuse to discuss anything with his brothers cubed root of 9, 1 ninth and the square root of negative 9?

Logics
"My husband snores. All men must snore" committs which of these fallacies? a. hasty generalization b. appeal to pity c. false cause d. post hoc ergo propter hoc

Math
Please show me how to set this up and how to solve. Thanks in advance. At the local ballpark, the team charges $5 for each ticket and expects to make $1,300 in the concessions. The team must pay its players $1800 and pay all other workers $1500. Each fan gets a free bat that c...

Math
Please show me how to set this up: A local citizen wants to fence a rectangular community garden. The length of the garden should be at least 110ft., and the distance around should be no more than 380ft. Write a system of inequalities that models the possible dimensions of the...

english
Object pronouns include you, she, he, it, and we. True False

chemistry
For each solution whose pH value deviated from 7.0 by at least 1.0 pH unit, give an equation accompanied by a statement which gives the reasons and/or explanation for the deviation. pH values: NaCl 6.89 NaC2H3O2 7.75 Na2CO3 11.20 Cu(NO3)3 4.73 NH4Cl 5.91 Zn(NO3)2 5.20 KAl(SO4)...

math
x/60=30/100 cross multiply to solve for x.

chemistry
The Ka value for HCN is 4.9x10^-10. What is the value of Kb for CN-?

chemistry
For each solution whose pH value deviated from 7.0 by at least 1.0 pH unit, give an equation accompanied by a statement which gives the reasons and/or explanation for the deviation.

chemistry
For each solution whose pH value deviated from 7.0 by at least 1.0 pH unit, give an equation accompanied by a statement which gives the reasons and/or explanation for the deviation.

Chem 11
im assuming you mean "moles" not "miles" (4.059g sample/1)x(1 mole sample/g of sample in one mole(take number of elements in formula multiplied by individual grams found in the periodic table)). there is your answer. easy as pie.

Math
2 sheets of paper for 30 studens: 2(30) if she has 19 and needs more subtract 19 from 2(30). example: (2(30))-19.

Physics Help!
A 220 uF capacitor with a 10% tolerance rating is charged. The voltage across the capacitor is measured to be 110 +/- 5.5 volt. Calculate the electrical charge stored in the capacitor. Estimate the error in the charge by propagating the uncertainty in the capacitance and the v...

Math
How do I set this up and solve it? Tom has a collection of 30 CDs and Nita has a collection of 15 CDs. Tom is adding 1 CD a month to his collection while Nita is adding 4 CDs a month to her collection. Find the number of months after which they will have the same number of CDs.

Physics!! Help!!!!!
The time dependence of voltage across a discharging capacitor is given by the exponential decay. The voltage on the capacitor at time t= 0 sec is 24 volt. If a 220 +/- 22uF capacitor and 1 Mega ohm (5% tolerance) resistor are used in the RC circuit, what would be the value of ...

calculus
Find f'(a). f(t) = t^4 − 7t

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