Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 75

**Physics**

You take a 10 N block and lift it 1 meter vertically from the floor and then place it back down on the floor. How much work do you do during this motion? W = F x d x cos(theta) So lifting it does work and the lowering it does negative work won't that cancel out to get OJ o...

**Anthropology**

thank you,

**Anthropology**

what does this statement mean : " the purpose of anthropology is to make the exotic familiar and the familiar exotic".

**Algebra 1**

The amount a spring will stretch S is proportional to the force (or weight) F attached to the spring . If a spring stretches 8.9 inches when 20 pounds are attached how far will it stretch when 70 pounds are attached? A:3.54 inches B:2.54 inches C:31.15 inches D:30.15 inches Ca...

**physics**

A man holds a 194-N ball in his hand, with the forearm horizontal (see the figure). He can support the ball in this position because of the flexor muscle force , which is applied perpendicular to the forearm. The forearm weighs 24.7 N and has a center of gravity as indicated. ...

**Biology**

Thanks!

**Biology**

Will you please check my answers? 1. Single-celled organisms that do not have a membrane-bound nucleus are called A. organelles. B. prokaryotes. C. Golgi bodies. D. eukaryotes. 2. In cells, a form of active transport is A. a sodium-potassium pump. B. osmosis. C. facilitated di...

**grade 10 history**

I have a SUPER HUGE project due called National History day and need lots of help with it, plz plz plz help!!!!!

**Math**

Will you please check my answers? 1. Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 6 1/2 hours of overtime, and 8 hours of holiday time. How much did she ear...

**Consumer Math**

Will you please check my answers? 1. Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 6 1/2 hours of overtime, and 8 hours of holiday time. How much did she ear...

**Consumer Math**

Ok, thank you.

**Consumer Math**

Alright thank you.

**Consumer Math**

Okay

**Consumer Math**

Will you please check my answers? 1. Your employer has 600 business cards printed for you, and you give away 280 of them. To the nearest hundredth, what percent of the cards is left? A. 18.75% B. 53.33% C. 46.67% D. 21.43% 2. The LCD for the fractions 1/3, 3/4, 5/32, and 8/9 i...

**Math**

The base of a ladder leaning against a house is 30ft from the wall. if the ladder reaches 40ft high on the wall , how long is the ladder?

**English**

What is home school?

**IMPERIALISM AND THE PROGRESSIVE ERA**

_______ pioneered the field of corporate public relations. A. Henry Ford B. Ivy. L. Lee C. Samuel Gompers D. Margaret Robins

**IMPERIALISM AND THE PROGRESSIVE ERA**

_______ pioneered the field of corporate public relations. A. Henry Ford B. Ivy. L. Lee C. Samuel Gompers D. Margaret Robins

**Calculus**

thank you soo much!

**Calculus**

The line y=2x+b is tangent to the graph of y=x^1/2 at the point P=(a, a^1/2). Find P and determine b. I don't know what to do because they don't give you the x coordinate or anything to plug into the derivative. Help?

**Info literacy**

Which of the following sets of Dewey Decimal call numbers is in the correct order? A. 010.1 ABR, 004.15 KWA, 100.01 PRO, 100.1 BLU B. 004.15 KWA, 010.1 ABR, 100.01 PRO, 100.1 BLU C. 100.1 BLU, 010.1 ABR, 004.15 KWA, 100.01 PRO D. 100.01 PRO, 100.1 BLU, 010.1 ABR, 004.15 KWA

**mc questions **

Question # 1-What is the magnitude of the momentum of a particle of mass 2 kg with a speed of 5 m/s? a)2.5 kg m/s b)10 kg m/s c)3 kg m/s d)7 kg m/s Question # 2-If two objects with different masses collide and bounce off each other, the one with the greater mass? a)feels a lar...

**algebra**

Rectangular pyramid has a base area of x^2+3x-10/2x square centimeters and a height of x^2-3x/x^2-5x+6 centimeters. Wright a rational expression to describe the volume of the rectangular pyramid

**algebra**

Which has a larger perimeter ,a 20-inch by 32-inch rectangle or a 28-inch square

**GLOBAL HISTORY **

how did the black death lead to social disorder

**Geometry**

a. contrapositive

**Living environment**

so its 1

**Living environment**

A characteristic shared by both predators and parasites is that they 1. feed on decomposing plant material 2. capture and kill animals for food 3. live inside their hosts 4. attack a living food source the answer is 2 right

**Science**

This graph shows the changes in two populations of herbivores in a grassy field. In the y axis it says number of organisms in the x- axis it says Time In the graph A is decreasing , B is increasing, At first they were steady then slightly A decreased and B increased . A possib...

**Science(grade 9)**

so its 1 competition

**Science(grade 9)**

when two different species live in the same area and use the limited resources, which of the following will occur? (1) competition (2) succession (3) parasitism (4) industrialization is it succession ?

**Calculus**

Let R be the square region bounded by y = 2, x = 2, and the x and y-axes. When R is rotated about the x-axis, what is the volume of the resulting solid? What is the volume of the solid generated by rotating R about the y-axis?

**Calculus**

Let R be the region bounded by the x-axis, x = 5 and the curve y = x. This region is rotated around the x-axis. Find the volume of the resulting solid. (Note: R is a triangular region. The resulting solid has a simple shape. You may ask me if you are highly unsure about what t...

**Math**

Need help with the below math please tell how you could use a number line to determine which of two numbers is greater.

**Science**

I need an Acrostic poem For speed... HELP

**teacher aide**

chilren familes and society

**Math(just check it please easy)**

the answer is j

**Algebra**

thats wrong the answer is C= 5/9(F - 32)

**Social Studies(Thesis)**

I read all about thesis and i made my thesis about child labor At what age is it appropriate for a child to have a job and a child should have a right to freedom. That is my thesis is it correct yes or no THANKS

**math**

gee thx for the math answer

**Social Studies(child Labor)**

thanks

**Social Studies(child Labor)**

i found this poltical cartoon why is this fat man eating kids i think because the fat man is just taking the kids rights and the fat man is making them work is this correct???

**math**

just add the numbers then divide by 3 your divideing by 3 because there is 3 sets of number its easy

**Social Studies(child Labor)**

thank you

**Social Studies(child Labor)**

yea i need to translate it to words

**Social Studies(child Labor)**

i need to translate it to words can you help please

**Social Studies(child Labor)**

i was seeing the poltical cartoon with the child labor exploiter and i need help interpet

**Social Studies PLease Help**

i need some child labor political cartoons

**ELA**

THE BOOK IS THE LIBRARY CARD BY JERRY

**ELA**

I NEED A SUMMARY OF THE BOOK FRINDLE I CANT FIND THE BOOK PLEASE HELP AND CAN YOU JUST SUMMARIZE THE CHARACTERS

**MATh (check my answer please)**

no its J

**MATh (check my answer please)**

so the answer is G.

**Math**

The mean weight of 75 2nd graders is 55.7 lbs and the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the 100 children

**History**

Oh no its in a crossword and its 8 letters long

**History**

A policy on how to handle things within a state or country What is it?

**MATH**

regular pentagon Side length(inches) 6 If its 6 what is the perimeter( inches)

**3rd grade math**

Emma has 36 feet of fence. She wants to make the largest rectangular area possible for her rabbit to play in. What length should she make each side of the rabbit pen? Show your work and explain how you found the largest area.

**chemistry**

At l=530 nm:aCuSO4=7.544L/mol-cm aKMnO4= 3.645 L/mol-cm At l=800nm: aCuSO4=2.908L/mol-cm aKMnO4= 5.412L/mol-cm you use a celleith a path length of 1.0cm An unknown solution containing both CuSO4 and KMnO4 gave an absorbance reading of 0.679 at 530nm and an absorbance of 0.525 ...

**Chemistry**

38 molecules

**math**

What does "find the sum" mean? Please provide an example.

**Algebra**

A basketball team has 12 more games to play. They have won 25 of the 36 games they have played. How many more games must they play in order to finish with a 0.750 record?

**Algebra**

The ratio of the weight of an object on Mars to the weight of an object on Earth is 0.4 to 1. How much would a 120-lb astronaut weigh on Mars?

**Math**

The function of g += t^2-t represents the total number of games played by t teams in a sports league in which each team plays each of the other teams twice. The Metro League plays a total of 132 games. How many teams are in the league?

**Math**

A satellite is launched into orbit 200 kilometers above the Earth.The orbital velocity of a satellite is given by the formula v=√GmE/r, where v is the velocity in meters per second, G is a given constant, mE is the mass of Earth, and r is the radius of the satellite"...

**english**

Yes, it is capalize right! "The" is the only thing needed capatilized

**Social Studies**

Thanks Mrs. Sue you've really helped me alot!! Macy:))

**Social Studies**

This is just out of curiousity: Are butter and margarine substitute goods?

**Social Studies**

Thanks Mrs. Sue you've really helped me alot! Macy:))

**Social Studies**

How can consumer's expectations reduce and increase demand? I really need help with this question. Thanks Macy:))

**english**

yes. Jo Parker Goodwin

**english**

In her essay "what is poverty?" jo parker goodwin tries to convince the reader to help the poor. What 3 strategies did she use to achieve her goal?

**Science**

What effect would letting a crucible and its contents dry overnight before finding their mass have on the value for the percent water in a hydrate?

**Physics**

a. Only decreasing gravitational force acts on the ball.

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