Monday

April 21, 2014

April 21, 2014

Total # Posts: 1,086

**math**

Okay so i here is the problem......find the unit rate. I dont remember how to solve for the unit rate. Help me please i have a quiz tomorrow.

**geometry**

Find the area of square QRST with the following vertices Q(-2, 3), R(1, 0), S(4, 3) and T(1, 6).

**math**

Find the values of x that satisfy the inequality -3 > 11 + 2x

**Physics**

I'm so glad I'm not the only one lost in VASTS. What a relief!

**Math**

Juan says, "When you put together unequal groups, you can only add." Is he correct? Explain.

**Math**

To get an A in psychology, a student must score an average of 90 on four tests. Scores on the first three tests were 96,92,88. What is the lowest score the student can make on the last test and still get an A?

**reading**

yes they do

**math**

Yes she has five now, very good u did excellent

**science**

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard learning session in run...

**Physics**

A 0.165-kg ball, moving in the positive direction at 10 m/s, is acted on by the impulse shown in the graph below. What is the ball's speed at 4.0 s?

**physics**

Two rocks sitting in the field are 200m apart. If the two rocks have a mass of 75Kg and 100Kg respectively, what is the gravitional force between them? Answer now pls!!

**Physics**

What is the magnitude of the gravitational field at the surface of a neutron star whose mass is 1.64 times the mass of the Sun and whose radius is 9.1 km?

**Physics Help Please**

You know that kinetic energy is 1/2*mass of box*velocity squared and that potential energy is mass of box*gravity*height. Conservation of energy says that kinetic energy initial plus the initial potential energy = final kinetic energy plus initial potential energy. you set you...

**calculus, math**

Use Newton's method to approximate the value of (543)^(1/5) as follows: Let x1=2 be the initial approximation. find x2 and x3 =? approximation

**Physics**

Two disks of identical mass but different radii (r and 2r) are spinning on frictionless bearings at the same angular speed ω0, but in opposite directions. The two disks are brought slowly together. The resulting frictional force between the surfaces eventually brings them...

**pre algebra**

What is the answer to (-6t^4)(4t^2m^7

**Calculus**

A box is constructed out of two different types of metal. The metal for the top and bottom, which are both square, costs $2 per square foot and the metal for the sides costs $7 per square foot. Find the dimensions that minimize cost if the box has a volume of 30 cubic feet. Le...

**Physics**

A 2.9-kg 12-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled with a force of 20 N. (a) Find the magnitude of the torque exerted by the rope. (b) Find the angular acceleration of t...

**algebraic expressions**

there are 24 students in a science class. Mr. Sato will give each pair of students 3 magnets. So far, Mr. Sato has given 9 pairs of students their 3 magnets. homw many more magents does Mr. Sato need so that each pair of students has excatly 3 magnets.

**Algebra**

Solve 2.3 = -y/2 How do I solve this?

**Geography**

Other people or other countries

**Geography**

What would some consequences be if latin america legalized marijuana for recreational use?

**Culture**

What are some reasons why some people would belive that the Day of the dead celebration is wrong?

**MATH**

i am in 4th grade doing my sisters homework dont ask why but i need help on this question. -- Explain why the cost of an item discounted 20% can be calculated by multiplying the original price by 0.8

**physics**

What acceleration will you give to a 24.2 kg box if you push it horizontally with a net force of 82.0 N?

**Physics**

A simple Atwood's machine uses two masses, m1 and m2. Starting from rest, the speed of the two masses is 7.0 m/s at the end of 7.0 s. At that instant, the kinetic energy of the system is 60 J and each mass has moved a distance of 24.5 m. Determine the values of m1 and m2.

**math**

4=2/9(4y-2)

**Biology **

An individual can be a carrier for a particular disease yet not have the disease because the disease is recessive. That means to have the disease you need to carry both of the recessive genes of the disease (rr) and to get both the recessive genes your parents need to each be ...

**Physics**

The heating element of a simple heater consists of a 2.2m--long, 0.70mm--diameter nichrome wire. When plugged into a 120 V outlet, the heater draws 7.5 A of current when hot. I found that the wire's resistance when it was hot was 16 ohms. Now using this answer of 16 ohms c...

**math**

linear equations

**Physics**

A tether ball of mass 0.25 kg is attached to a vertical pole by a cord 1.4 m long. Assume the cord attaches to the center of the ball. The cord makes an angle of 20° with the vertical. (a) What is the tension in the cord? (b) What is the speed of the ball?

**Physics**

A 4.6-kg block slides down an inclined plane that makes an angle of 26° with the horizontal. Starting from rest, the block slides a distance of 2.6 m in 4.9 s. Find the coefficient of kinetic friction between the block and plane.

**Science**

what is wrong with teachers now days

**teacher aide**

Name and provide the website address of the National OHS organisation. Visit their website and download a piece of information relevant to your workplace. Please help thanks for your time!

**Physics**

What force must be exerted on block A in order for block b not to fall. The coefficient of static friction between block A and B is 0.55, and the horizontal surface is frictionless. A= 100kg and B=10kg A is on the horizontal surface and B is attached to A.

**Phsics**

What force must be exerted on block A in order for block b not to fall. The coefficient of static friction between block A and B is 0.55, and the horizontal surface is frictionless. A= 100kg and B=10kg A is on the horizontal surface and B is attached to A.

**Physics**

A= 100kg and B=10kg A is on the surface and B is attached to A.

**Physics**

What force must be exerted on block A in order for block b not to fall. The coefficient of static friction between block A and B is 0.55, and the horizontal surface is frictionless.

**chemistry**

CH4 + 2O2 = CO2 + 2H2O Starting with 13.6 g of CH4, calculate the mass in grams of CO2 produced if there is enough O2 gas to react with all of the CH4

**History**

How does syncretism relate to religious beliefs?

**Physics**

A ball launched from ground level lands 2.7 s later on a level field 50 m away from the launch point. Find the magnitude of the initial velocity vector and the angle it is above the horizontal. (Ignore any effects due to air resistance.) A. Find the magnitude m/s B. Find the d...

**physics**

A spring has a force constant of 50 N/m. The spring is compressed by 0.4 m. How much energy has the spring stored?

**Maths**

Nathan has a bag of marbles. Half of them are blue.Eight are red & a sixth of them are cat's eyes. How many marbles are in Nathan's bag?

**Math**

`How do you round to the nearest 10's,100's and 1,000's place with 4-digit numbers

**Math**

y+19=9

**4th grade math**

8642

**4th grade math**

8,642

**4th grade math**

8,642

**lit**

Is this right? My friend jumped off the diving board and shouted "look out below!"

**english**

When Marcos walked into the room, we turned on the lights and yelled "Happy birthday!"

**physics**

i do not understand that formula bob i got 0.317 what do you get cause mine is wrong

**physics**

An airport has runways only 142 m long. Asmall plane must reach a ground speed of 45 m/s before it can become airborne. What average acceleration must the plane’s engines provide if it is to take off safely from its airport?Answer in units of m/s2.

**Culture**

Thank you. Why would someone tell another person that they are a cultural relativist?

**Culture**

Is cultural relativism the same as cultural relativist because when I google search cultural relativist nothing comes up but when I do it the other way there is alot of info.

**writing goals**

how can i achieve my writing goal which is to be more descriptive in my writing can u give me some ideas to achieve this goal?

**physics**

The left ventricle of the heart accelerates blood from rest to a velocity of +26 cm/s. Assume the displacement of the blood is linear and is +2.0 cm c) Determine the acceleration of the blood in cm/s2. d) How much time does blood take to reach its final velocity?

**geometry**

THANKS!!! I get it!!!!

**geometry**

if n is a prime number than n +1 is not . True or false

**geography**

What is an example of prisoners of geography from a latin america country?

**geography**

what is meant by the term prisoner of geography?

**Intermediate Algebra**

The area of a rectangular athletic field is represented by the expression 12y^3+48y^2+24y square meters. Write an algebraic expression to represent one possible set of dimensions (in the sense "length times width" ) of the athletic field. Include correct units with y...

**Physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 1.5 h, a swimmer makes exactly 83 laps in a swimming pool that is 27 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the swi...

**geometry**

A square has a side length of 2.3 feet. what is the area of the square?

**education support**

Access and identify the following information relevant to the job role of education support worker in relation to working with diversity in the education environment: legislation,policies, any other relevant quidelines Please help,thanks very much

**education support**

what communication strategies would you use to support the child who distress and crying by himself> provide an example for each strategy? I need help pls

**History Ms. Sue**

I saw that one too, but we can't use anything from wikipedia.

**History Ms. Sue**

I was wondering if you knew of an article recent or old (doesn't matter) about two countries that are in conflict over the production of timber. Thank you.. I'm having trouble finding one.

**physics**

A mass of 5.25-kg was dropped from a height of 31 m. How much time does it take for the mass to reach the ground?

**Education support**

oh thanks so much SraJMcGin, it very helpful, but just want to explaining into simply words, but i can't Pls help

**Education support**

I need help pls? Could someone help me with Dispute Grievance Resolution Procedures in school? thanks

**Early childhood education**

Yes i agree.

**spanish**

what does ¿por qué todas las chicas preguntan si sabes mean

**Anatomy**

The tricuspid valve is closed: A. during the rapid filling of the ventricles B. when the mitral valve is closed C. while the atria are contracting D. during the ejection of blood from the ventricles I think the answer is A but not completely sure.

**physics**

Find the value of the magnetic field necessary to cause a proton moving at a speed of 2.50 ×10^3 m/s to go into a circular orbit of 15.5-cm radius. An electron has an energy of 100 eV as it enters a magnetic field of 3.50 × 10−2 T. Find the radius of the orbi...

**English**

Sorry. I think it might be a cliche?

**English**

"Beauty if only skin deep" is an example of ? A. personification. B. hyperbole. C. a generalization. D. a cliche

**physics**

How long will it take an echo to return across a canyon that is 61.0 m from one side to the other if the temperature is 25 C?

**ACC 105**

Employee Form W-2 Information Roach, Kelly Volpe, Ralph Myer, Randi Ford, Kenneth Carmen, Chrissy Zuber, Hal 1. Wages, tips, other compensation 2. Federal income tax withheld 3. Social security wages 4. Social security taxes withheld 5. Medicare wages and tips 6. Medicare tax...

**chemistry**

give the full, ionic and net equations for the reaction (if any) that occurs when aqueous soulutions of Na2CO3 and MgCl2 are mixed.

**physics**

A parachute reaches terminal velocity. F drag Fg=850N what is the value of F drag? What is the net force? What is the acceleration? Are the forces balanced or unbalanced?

**english**

If you could create a time capsule. what valuable things or memories would you put in it? Note you won't open it for 10 years

**Science**

how would you make 1 molar solution using 4 molar solution and pure water?

**MATH**

I NEED HELP WITH FINDING THE FORMULA FOR PROBLEMS DEALING WITH RADIUS AND DIAMETER. The radius is 12 in and the diameter is 4 in.

**math**

i need help with finding out what formula do you use to find the B= area of base. I need to know also how to multiply by height. ( B= L.W B=9.9) WHAT COMES NEXT 5FT IS THE HEIGHT.

**excel graphing**

Thank you so much i think i've got it

**excel graphing**

In cell E18, use an appropriate formula to calculate the grand total of column E. Format the result in the Currency style. In column F (cell ranges F5:F16), use an appropriate formula to calculate the percentage of the grand total for each type of office supply. Format the res...

** F6:F16 **

the answer they gave me was 14% and i am suppose to figure out the formula but i still cant i did 2.99/521.07< which is the grand total at the end of column f16 i still did not get 14

**excel graphing**

Im trying to find the percent of a grand total. Total cost 74.75,cost/unit 2.99, number of units 25 I'm still dont understand how to get the percent ive tried everything i divided 2.99/74.85 and got 4% but the answer is 14% they give you the answer but i have to show the f...

**excel graphing**

In column F (cell ranges F5:F16), use an appropriate formula to calculate the percentage of the grand total for each type of office supply. Format the results in the Percentage style. If necessary, decrease the decimal places to round the results to the nearest whole percent. ...

**social studies**

I still kinda dont get it.

**social studies**

TRUE OR FALSE:are river valleys, basins, and coastal plains of east asia among the most sparsely populated places on earth?

**please help**

Thank you

**excel graphing **

sorry*

**please help**

In cell D21, type the formula to calculate the % change from January to February. That formula is: =(J18-E18)/ABS(E18). Format the result in the Percentage style and decrease the decimal places if necessary to round the result to the nearest whole percent (569.46-521.07)/abs(...

**excel graphing**

In cell D21, type the formula to calculate the % change from January to February. That formula is: =(J18-E18)/ABS(E18). Format the result in the Percentage style and decrease the decimal places if necessary to round the result to the nearest whole percent (569.46-521.07)/abs(...

** 11th grade-math**

help me Use the Quadratic Formula to solve N2=6n

**excel graphing**

im still confused what would abs be?

**excel graphing**

In cell D21, type the formula to calculate the % change from January to February. That formula is: =(J18-E18)/ABS(E18). Format the result in the Percentage style and decrease the decimal places if necessary to round the result to the nearest whole percent (569.46-521.07)/abs(5...

**Spanish 7th grade-Could someone help me, please?**

Yah dude your right it literally says "the day of the saint" what it means in Mexico, is that it derived from the Catholic Church, you did not celebrate your birth date, but your saint's day. You were given the name of a saint or the name of the saint that was ho...

**Geometry**

Suppose a chord of a circle is 32 millimeters long and is 12 millimeters from the center of the circle. What is the circumference of the circle? btw.. thx fer yall tht answer these, aprichiate it. yall are fricken wizards.

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