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Posts by renee

Total # Posts: 564

Biology
Which of the following is the muscle action that results in exhalation and causes the air pressure inside the lungs to be higher than outside the chest a) Contraction of internal intercostals b) Relaxation of the diaphragm c) Contraction of the diaphragm d) Relaxation of the ...

science
Pluto has a shape that is nearly round, and it orbits the Sun. It has five known moons. Why is it called a dwarf planet and not a planet?

Algebra
After a 90% reduction, you purchase a DVD player on sale for $50. What was the original price of the DVD player?

math
Which of the following is not one of the three ways to express a ratio? A.3/4, b. 3:4, c.3 of 4, d.3 to 4

math- geometry
A dilation with a scale factor of 4 maps figure A onto A'. By what scale factor would another dilation map figure A' back to figure A? is it 1/4?

math
88 is the product of Rick's score and 8

math
four more than the product of 19 and Vanessa's age

Trigonometry
Solve the equation for solutions in the interval 0<=theta<2pi Problem 1. 3cot^2-4csc=1 My attempt: 3(cos^2/sin^2)-4/sin=1 3(cos^2/sin^2) - 4sin/sin^2 = 1 3cos^2 -4sin =sin^2 3cos^2-(1-cos^2) =4sin 4cos^2 -1 =4sin Cos^2 - sin=1/4 (1-sin^2) - sin =1/4 -Sin^2 - sin =-3/4 ...

Math
patterns. Looking to find the pattern for 32, __, 648__. Trying to find the rule

highlands
there were 149 angelfish and goldfish in an aquarium. there were twice as many guppies as angelfish. after selling 35 goldfish there are half as many goldfish as angelfish. how many fish are left in the aquarium

Statistics
a bag of colored marbles holds 71 yellow marbles and 70 white marbles. ten marbles are randomly selected, one at a time, without replacement. what is the probability that more than half are yellow?

Chemistry
Would there be any effect on the amount of precipitate of CaCO3 if tap water contained Ca 2+ were used? Explain.

Chemistry 142
suppose a runner completes a 10k (10km) road race in 42 minutes and 23 seconds. What is the average speed miles per hour?

MATH
A TRUCK DRIVER DROVE 300 MILES IN 6 3/4 HOURS. hOW MANY MILES PER HOUR DID THE DRIVER DRIVE? 300 X 27/4= 300/1 X 4/27= 1200/27

Help!!! Main ideas reading skills
In American society, romantic love is considered the main reason for people to marry. On the other hand, in some societies, romantic love is considered a form of obsession or madness. In fact, even in many societies where "true love" is not considered a form of ...

Psychology
Examples of Social exchange theory and equity theory using celebrity couples

Math/Trig
From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite side of the runway are 6 degrees and 13 degrees respectively. The points and the tower are in the same vertical plane and the ...

math
5 3/10- 2 4/5 =

PHI208
Robinson argues that integrity should be regarded as:

math
I don't no

Trigonometry
Is it 1.27

Trigonometry
The angle elevation from a point A to the top of the Washington Monument is 32 degrees. From point B, which is not the same line but 55 feet closer to the monument, the angle elevation to the top is 38 degrees. Find the height of the Washington Monument.

Math
is it 4.18? please teach me how to answer this...:(

HSM 220 Budget Matrix
I am so confused on this assignment in HSM/220(Budget Matrix-Appendix B) and wondering if I am even close to being correct on showing where to place the X's for a Functional Budget,Line-item Budget & Total Program Budget) before I submit this assignment. enclosed is a copy...

science
How would increasing the proportion of land (sand) to water affect the amount of water vapor released?

SCI 207
How would increasing the proportion of land (sand) to water affect the amount of water vapor released?

Math
Mr. Fairfax ordered 3 large pizzas for a class party. Group A ate 6/6 ( that should look like a fraction) of the first pizza, and Group B ate 8/6 of the second pizza. Did Group A or B eat more pizza? Then later Group C ate all remaining slices of pizza. What fraction of the ...

Introduction to Chemistry
Hydrogen gas has a pressure of 765mm Hg, a volume of 355mL,and a temperature of 22 degrees C. What is the new volume of this gas if the pressure is 5.1atm,and at a temperature of 48degrees C?

Physics
A rope of length L = 5.2 m with a total mass of m = 0.275 kg is tied to a hook rigidly mounted into a wall. A pulse of height 1.9 cm is sent down the rope. The tension in the rope is F = 29 N. (B) What is the height of the pulse that returns?

Cultural Ant.
What is the meaning of Theoretical approach. Form my homework question my teacher asks me to explain the theoretical approach the author adopts for her investigation. However, I have no idea what a theoretical approach is :(

physic
I don't know if this is right that i pulled in..but i got it wrong. Please help. 4(2090)+(3.33⋅10^5 )+100(4186)+(2.26⋅10^6)+5(4186)

physic
How much energy is required to change a 40 g ice cube from ice at -25°C to steam at 105°C?

Physic
How much energy is required to change a 40 g ice cube from ice at -25°C to steam at 105°C? Answer in J.

Physic
Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the...

Physics
ok. Should I post it again?

Physics
Thanks for helping!!

Physics
The conversions are correct and I'm getting the same answer using your method, but it's still saying that they are incorrect. Sorry for bothering you so much...

Physics
I'm not trying to be mean or anything. The WebAssign website said the answers was wrong.

Physics
Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the...

Physics
Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the...

Physics
Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the...

Chemistry
Gold can be recovered from sea water by re- acting the water with zinc, which is refined from zinc oxide. 2 ZnO(s) + C(s) −→ 2 Zn(s) + CO2(g) 2 Au3+(aq) + 3 Zn(s) −→3 Zn2+(aq) + 2 Au(s) The zinc displaces the gold in the water. What mass of gold can be ...

psychology
which of the following is not a motive for pro social behavior? egoism, collectivism, idealism, Principlism

Math
10. A coin is loaded so that the probability of heads is 0.55 and the probability of tails is 0.45, Suppose the coin is tossed twice and the results of tosses are independent. a.What is the probability of obtaining exactly two heads? b.What is the probability of obtaining no ...

English
Well first I think you have to identify the thing you regret .And if you can't think of anything, think of something you totally hate seeing others do and imagine yourself doing it I guess it kind of the same feeling as regret .Then think of how you would end it and all ...

physics
A submarine is at a depth of 96.0 m under the ocean surface. The inside of the submarine is kept at atmospheric pressure. What is the net force being exerted on a circular window of the submarine that has a radius of 35 cm? The density of the ocean water is 1030 kg/m3

math 540
suppose it takes a college student an average of 5 minutes to find a parking space on the schools parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes. What time is exceeded by approximately 75% of the college students when ...

math
Ms. Ross has 24 students, 2/3 of the students have brown hair and the rest have blond hair. How many students have brown hair?

Argosy University
What non-quantitative factors should the management consider when making the decision to buy facility for $800,000 or lease for 10,000 a month

liberal arts
how to convert the number 15,257 to base 13 and the answer

religion
What is an example of a time when two people were competing for honor.

college math
I need help to convert the number 12,663 to base 13 And convert the number 15,257 to base 13 liberal arts class

physics
I'm stuck on this same question. What I can't figure out is how to solve for t? .

Achieving Academic Excellence
to come up with possible solutions to a problem is referred to as what?

Math
Can someone help me please with this question? Why might an organization enter into a leasing arrangement?

Math
A tax-exempt bond was recently issued at an annual 12 percent coupon rate and matures 20 years from today. The par value of the bond is $1,000. a. If a required market rates are 12 percent, what is the market price of the bond? b. If required market rates fall to 6 percent, ...

business
What suggestions would you offer a new employee to help them effectively communicate in your workplace when meeting face-to-face, sending an e-mail, and during a meeting?

Physics
If a 60.0 kg person slides down an incline angled 25˚ below the horizontal and friction IS present with a coefficient of kinetic friction equal to k = 0.450. What is the person's acceleration as they slide down the slide.

Physics
A 2.0X10^4 N car is stopped on a 30 degree hill. If friction is negligible, what is the force of the car pushing into the hill?

HISTORY
How is man shaped by the times in which they live. An example of Hitler, Mlk or LBJ, or any leader that was shaped by the times in which they lived.

Statistics
In a study on caffeine and stress, college students indicated how many cups of coffee they drink per day and their current stress level on a scale of 1 to 10. Obtain the appropriate correlation coefficents.

HISTORY
That is why I posted here in the first place I don't know what aspects to compare and what to contrast. I don't need help with anything else. this is a homework help website isn't it?

HISTORY
I'm not taking a survey!I'm simply asking advice geez.I already have sources.

HISTORY
If you were going to compare & contrast FDR and LBJ what aspects of their lives would you compare what aspects would you contrast. I am writing a paper on them and what to get some ideas and see what other people think is important, in the end I will choose my own topics, just...

Physics
One of the concrete pillars that support a house is 2.1 m tall and has a radius of 0.35 m. The density of concrete is about 2.2 103 kg/m3. Find the weight of this pillar in pounds (1 N = 0.2248 lb).

genetics
can some one help me understand punnet squares. a woman claims that a certain man is the father of her daughter however the man denies this claim the daughter is colorblind but neither the mother nor the alleged father is colorblind who is telling the truth?

To Reiny
I don't believe the teacher's solution: 30 take just art 30 take just theater 45 take just band 15 take all three 15 take none 5 take art and band 5 take art and theater 5 take band and theater What do you think?

7th grade math
There are 150 students in 7th grade. After signing up for electives for next year, the counselor posted the following data: Art - 65 students Band - 70 students Theatre - 50 students Not all students signed up for an elective. Display this data using Venn Diagrams. I do not ...

math
sonya spent 2/5 of her money and then had $18 left. how much money did she originally have?

research
Thank you.

research
I am doing a Psychology research paper. I wrote the sources I used but my teacher says I need 3 primary sources. Im not sure what he means. Please help me understand

grammar
Okay, Thanks!

grammar
So I am writing my paper and I am confused I know you use fewer when you have something countable like items. and less when its not a countable things. For my example would I say that 5% concentration of coffee had less of an effect of fewer effects than a 10% concentration of...

Psychology
which of the following is not a motive for pro social behavior? Egoism, collectivism idealism, principlism

algebra
find the domain of each rational expression each polunomial must be fully factored and that you can only cancel factors you can not cancel terms. x^2-49 over 2x-1 and x^2-14+49 over 1-2x

APA
Okay I think that is what I will do, I will be bringing my paper to the writing lab at my school on Monday so if it is wrong Im sure they will point it out. Thank you so much

APA
before coming here ( jiskha) I did my own search but I did not find anything that said what was allowed in the text only the format. I saw this website as well. I do not remember my teacher saying any thing about questions, but I wanted to be sure

APA
I am writing a report in apa and I was not sure if it is okay to ask a rhetorical question in the introduction?

Economics
The following is a cost function for clinic visits in a small inner city clinic: a.Determine the marginal cost for each level of output. b.If the price per visit is given to be $25, at what level of visits will the maximum profit position be? What are the profits at this level...

Algebra
Can you please give me some real life examples of using variables and solving equations. These are 6th grade students and I need to show real-life experiences. Thanks!

biology
what is a full citation guide of an article?

geometry
Suppose the cordinate of P is 2, PQ = 8, and PR = 12. What are the possible cordinates of the midpoint of the given segment? PQ PR QR

math
Is 45/5 equal to a whole number or a mixed number? I can't find the answer and my parents won't help me, can you help?

Math - missing fraction
Please advise how it is I go about finding the missing fraction. I get so confused. The problem is: N-3/5=1/4 I know the LCD would be 20 but from there, I am lost. Thank you.

education
Even though the education profession continues to be a lower paying profession than other career opportunities, why do people continue to become teachers? discuss

Finance Accounting
Blankenship Company estimated that its warranty expense would be $4,250 for the current year. During the year Blankenship paid $920 to repair merchandise that was returned by customers. a) What is the amount of warranty expense for the current year? b) If this is the first ...

Finance
Michigan Corporation purchased a new truck on January 1, 2013 for $55,000 cash. Michigan estimated salvage value of $10,000 at the end of the useful life of 5 years. On January 1, 2015 Michigan had to replace the engine of the truck paying $4,500 cash. Due to the replaced ...

Chemistry
what is the density of an object having a mass of 5.0g and the volume of 45.0cm^3?

MATH
6. A computer company has two manufacturing plants, one in Rochester and one in Queens. Transporting a computer from Rochester to the retail outlet takes 15 hours and costs $15, while transporting a computer from Queens to the retail outlet takes 20 hours and costs $30. The ...

english
I called the police for her, and she told an officer the license number and car model. “The _____ color of the car is brown,” she added, “but it has a black roof.”

english
“My car has been stolen!” My neighbor, Martha, ran into my house crying and angry. “I saw them take it!” I called the police for her, and she told an officer the license number and car model. “The _____ color of the car is brown,” she added, “...

Physics
Two billard balls move toward one another.The balls have identical masses, and the collision is perfectly elastic. The initial velocity of the balls are +30 cm/s and -20 cm/s, what is the velocity of each ball after the collision?

Finance
Rancher Rick purchased an additional 80 acres of hay ground to produce hay for his Angus herd. He paid $700/acre. He paid $20,000 down and took out a 10 year loan with interest calculated using add-on interest for the rest of the cost of the land. Assume annual payments and 5...

Physics
A cubical object of sides 5 cm is immersed completely in water. What is the force of buoyancy on the object? (Assume g = 10 m/s2)

Chemistry
The most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 315 of pure ?

math
The quantity demanded each month of the Sicard wristwatch is related to the unit price given by the equation below, where p is measured in dollars and x is measured in units of a thousand. To yield a maximum revenue, how many watches must be sold? (Round your answer to the ...

Math
If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges $308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by $1 for each additional person. Hint: Let x denote the number of ...

forensic psychology
explain how and why the ADA is relevant to forensic psychology professionals working in the police subspecialty in the screening and selection of police officers

Math
Find the absolute maximum value and the absolute minimum value, if any, of the function. g(x)=1/8x^2-4ã(x)on [0,49] maximum ? minimum ?

math
Determine where the function is concave upward and where it is concave downward. Concave upward: A. (-/infty,0) B.(-1,1) C.(0, infinity) D. (- infinity,infinity) E. (no interval) Concave downward: A.(-/infty,0) B.(-1,1) C.(0, infinity) D.(- infinity,infinity) E. no interval

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