Saturday

December 20, 2014

December 20, 2014

Total # Posts: 516

**Child day care**

10. Which of the following accreditation organizations does not have its headquarters in the United States? A. NAEYC B. AMS C. AMI D. CWLA
*December 5, 2012*

**Physical Science- Help Please!**

Suppose that you are given a 100 gram sample of a radioactive substance with a half-life of 32 days. How many grams will be left after 192 days?
*December 5, 2012*

**science**

Motion along a straight line, such as an axis, In this case,its the general movement of any object without the rotational component. In inertial translational motion without rotation the object always keeps the same inertial attitude. Rotation and translation together provide ...
*November 29, 2012*

**Physics**

A 16 kg box slides across the floor with an initial velocity of +7.8 m/s. It comes to a stop after sliding +14.6 m. How much friction was present?
*November 28, 2012*

**Physics**

A race car has a mass of 714 kg. It accelerates uniformly from rest, and travels 55 m in 2.95 s. What is the acceleration of the car? And, what is the net force acting on the car?
*November 28, 2012*

**seventh grade math**

if 1/2 in. = 1/3 feet then how many feet is 27 inches please someone help me ................ its drawn to scale the 27 inches
*November 28, 2012*

**7th grade math**

15-(2n)=13 n=1
*November 13, 2012*

**Math**

crate #1 8cds crate #2 8cds crate #3 8cds crate #4 8cds crate #5 8cds crate #6 8cds 6 x 8 = 48
*November 13, 2012*

**chemistry characterization & analysis of aspirin**

write a balanced equation that describes an acid base reaction that would allow you to determine the moles of aspirin present in a sample
*November 13, 2012*

**math**

If sandy and Betty have 192 toys in all and Sandygive Betty 50 toys so know sandy has three times as much as betty
*November 6, 2012*

**Math**

Czarina is working part time at a pastry shop baking cupcakes. If she works for 30 hours in one week on the average, how many hours a day does she work?
*October 17, 2012*

**Math**

The following are the number of apples sold in a certain market: 96, 186, 59, 171, 62, 58, 176, 91, 183, 167, 62, and 51. How many apples should an extra store sell to have a mean of 120?
*October 17, 2012*

**PHYSICS**

Sorry theta of the incline is equal to 61.4 degrees
*October 13, 2012*

**PHYSICS**

An object with a mass of 14kg lies on a frictionless incline. A rope attached to the mass runs parallel to the incline and is connected to a wall at the top of the incline. If the rope is considered to be in static equilibrium what is the tension of the rope in newtons?
*October 13, 2012*

**child day care**

A. Staff vacations
*October 11, 2012*

**physics **

The punter on a football team tries to kick a football so that it stays in the air for a long "hang time." If the ball is kicked with an initial velocity of 25.2 m/s at an angle of 58.5° above the ground, what is the "hang time"?
*October 4, 2012*

**Math**

121 x 3/11 =
*September 25, 2012*

**Math**

If a number is added to its reciprocal, the sum is 13/6, find the number.
*September 22, 2012*

**algebra2 PLEASE**

what are three important thing for an evaluating and inequalities and abs. values please and thank you
*September 20, 2012*

**algebra**

f(x)= 1/x-2 Plug in 1 for x. I keep getting -1 but the book says the answer is 3. Please help. Thanks
*September 7, 2012*

**social studies**

Under the federal system of the Constitution, the States _____. c)retain much of their earlier authority but submit to the ultimate sovereignty of the national government d)have about as much authority as local governments do in unitary systems like Great Britain I NARROWED IT...
*September 5, 2012*

**chemistry**

3960 J of heat are added to a 27.6 g sample of iron at 25 ◦ C. What is the ﬁnal temperature of the iron? The speciﬁc heat of iron is 0.449 J/g · K. Answer in units of K
*September 2, 2012*

**Social studys **

Who was Harry Houdini
*August 28, 2012*

**Place value whole numbers**

The tens digit is three times the thousands digit.
*August 28, 2012*

**Math**

6y/y^2+y-72 divided by y^6/x-y
*August 13, 2012*

**Anatomy and Physiology**

If one solution is 1000 x as acidic as another, how many pH units would there be between the two?
*July 26, 2012*

**Science**

What is the volume of 19 grams of flourine gas at stp?
*July 12, 2012*

**College Physics**

A convergent lens forms a real image 2.41 times the size of the object. The distancebetween object and image is 62.6 cm.Find the distance of the focal point fromthe center of the lens.Answer in units of cm
*July 3, 2012*

**Physics!!! :)**

The escape speed of a particular planet with a radius of 7.500e+6 m is 14,500 m/s. What is the mass of the planet?
*June 24, 2012*

**Algebra-HELP!!!!**

When Amy drives her car to work, the trip takes 1/2 hour. When she rides the bus, it takes 3/4 hour. The average speed of the bus is 12 mph less than her speed driving. Find the distance she travels to work.
*June 19, 2012*

**algebra**

When Amy drives her car to work, the trip takes 1/2 hour. When she rides the bus, it takes 3/4 hour. The average speed of the bus is 12 mph less than her speed driving. Find the distance she travels to work.
*June 19, 2012*

**algebra**

When Amy drives her car to work, the trip takes 1/2 hour. When she rides the bus, it takes 3/4 hour. The average speed of the bus is 12 mph less than her speed driving. Find the distance she travels to work.
*June 19, 2012*

**math**

The legs of a right triangle are 3 and 4 units long. Find the lengths, to the nearest tenth, of the segments into which the bisector of the right angle divides the hypotenuse. (Hint: Draw a picture of the triangle, label one segment of the hypotenuse "x," and solve. ...
*June 8, 2012*

**finance**

Alicia Cooper makes sure to contribute ten percent of her monthly earnings to her 401(k) plan at work. Her 401(k) plan allows her to invest in several different types of mutual funds. Which suggestion for the obtaining money she needs for investing is she following?
*May 21, 2012*

**child day care**

I think it's A.
*April 13, 2012*

**Math**

If you deposit 1200.00 annually with 5% compounded interest, how many years will it take to get to a million dollars?
*March 11, 2012*

**chemistry**

what is the effects of NH3(aq) and HCl(aq) on the CuSO4 or NiCl2 solution
*February 28, 2012*

**maths**

find the perpendicular distance from the corner of the triangle to the opposite side if the side is 25cm long
*February 16, 2012*

**Math**

Tony lines up 5 baseballs. They are as long as his pillow. He adds 15 more balls. How long is the line?
*February 14, 2012*

**english**

what is the analogy for monkey if cardinal is to bird as monkey is to?
*January 24, 2012*

**pre-calculus**

Write the first expression in terms of the second if the terminal point determined by the t is in the given quadrant: sin t, cos t; quadrant 2
*January 16, 2012*

**algebra**

evaluate 15^(2log base15(9))
*November 30, 2011*

**physics**

A car traveling at 91.0 km/h approaches the turnoff for a restaurant 30.0 m ahead. If the driver slams on the brakes with an acceleration of -6.40 m/s^2, what will her stopping distance be?
*November 20, 2011*

**math**

5 rounds up, so 85 would round up to 90.
*October 10, 2011*

**Probability**

Let Y be a Normal RV with mean 7 and standard devi- ation 4. a. Find P (Y = 7). b. Find P (Y < 5). c. Find P (Y ≥ 10). d. Find P (Y < 0). e. Find E[Y].
*October 10, 2011*

**Probability**

Consider an RV X with the following density given parameters α and γ . f (x) = {(1/γ)e^(-(x-α)/γ) if x>α {0 if x ≤ α. a. Find E[X]. b. Find V[X]. c. If α = 4, γ = 2, ﬁnd P (X > 8). d. Find P (X < α + 3&#...
*October 10, 2011*

**chemistry**

shoot, i wish i could remember the metal. she gave us the entire periodic information. how would i find the solution if I theoretically had the density?
*October 3, 2011*

**chemistry**

There is a ball with a mass of 1000 lbs. It's turned into wire with a diameter of 3.12 x 10^-1 How long is the wire? This is my crazy chemistry teacher's idea of a test...and I don't even think there's a solution. HELP ME
*October 3, 2011*

**math**

emilio can type 60 words in 1 minute marg can type half as many how many total words can emilio and marg type in 3 minutes
*September 27, 2011*

**math**

use the order of operations and the digit 4 four times to write problems that have the following answers 44 and 12
*September 27, 2011*

**physics**

A 30.0 g bullet strikes a 0.595 kg block attached to a fixed horizontal spring whose spring constant is 6.66 103 N/m and sets it into vibration with an amplitude of 21.8 cm. What was the speed of the bullet before impact if the two objects move together after impact? answer ...
*September 26, 2011*

**physics**

When a 69 kg person climbs into a 1000 kg car, the car's springs compress vertically by 2.9 cm. What will be the frequency of vibration when the car hits a bump? Ignore damping. answer should be given in Hz.
*September 26, 2011*

**Algebra**

2/5x^4-23x^2+1/15 x^4+5x^2-5 Simplify each expression.
*September 25, 2011*

**pre-algebra**

If a and b are any real numbers, is the statement a x b = b x a always true? Why or why not?
*August 29, 2011*

**algebra**

If a and b are positive numbers, then is a -b is always??
*August 28, 2011*

**Pre Cal**

Let the line X-2Y=15 and the circle with equation X^2+Y^2=50 intersect at the points A and B. Algebraically find the coordinates of A and B using the information given.
*August 26, 2011*

**Geography**

I need an easy way to remember the followingg states: Montana, Wyoming, Colorado, New Mexico, Arizona, Utah, Idaho, Washington, Oregon, Nevada, and California. I have to know the capital and where it is located on the u.s. map .
*August 24, 2011*

**Chemistry**

How many calories are absorbed when 56.0 g of liquid water at 100C is vaporized to steam at 100C?
*August 8, 2011*

**MAth**

1. John’s loans for his business total $155,000. One of the loans is a SBA loan at 11% interest; the other loan is a Community Business Partner loan whose interest is 6.5% After one year the loans accumulated $12,325 in interest. What was the amount of each loan? I am not...
*July 29, 2011*

**physics**

1. An object traveling at a constant speed of 22m/s begins to experience a force of 15N in the opposite direction of its motion. (Hint given: Start by finding objects acceleration) a. How long will it take for the 8kg object to come to a complete stop once it experiences the ...
*June 21, 2011*

**Phyics**

If a 68kg object is being pulled across the hard floor with a horizontal force of 400N... a. What would the acceleration of the object be if it was on a frictionless floor? b. if there were friction, what would the force of friction be if it was pulled at a constant velocity? ...
*June 21, 2011*

**boooring chemistry!!:(**

Halogens are non-metals and if observed they form ionic bonds with metal because halogens have a high ionization energy to attract the metals. if you don't know what ionization energy is it means the energy need to to remove the electrons from an atom. Halogens also form ...
*June 21, 2011*

**physics**

How do you know that is net vertical force is equal to 0? Also what does Ffriction stand for?
*June 21, 2011*

**physics**

1. There are three forces acting on an object, a 30N force pulling right, a 50N force pushing right, and 30N frictional force pushing left. a. What is the force of gravity on this 15kg object? b. If the object is on the ground what is the normal force acting on the object c. ...
*June 21, 2011*

**physics**

That is just what my homework says but it probably does mean north of west.
*June 21, 2011*

**physics**

1. a force of 30n with a direction of 35 degrees northwest acts on point p. Find: a) the northward component on the force b) the westward component of the force Please show work. Thanks!
*June 21, 2011*

**Physics**

2. Tyler pulls a box full of baby ferrets across the floor by means of a rope that is tied to the box. The rope makes an angle of 41 degrees with the horizontal and tyler pulls on the rope with a force of 60N. a)What is the horizontal component of the force that tyler is ...
*June 21, 2011*

**Physics**

James and Steve have a contest to see who can kick a football further. James kicks the football at an angle up of 57 degrees, and a speed of 75m/s. Steve kicks the ball with a speed of 100m/s, at an angle up of 48 degrees? Who wins the contest? Please show what each variable ...
*June 21, 2011*

**maths**

calculate the surface area of the following prism cuboid; 2cm 6cm 4cm what is the surface area of the cuboid
*May 21, 2011*

**maths**

calculate the surface area of the following prism cuboid; scm 6cm 4cm what is the surface area of the cuboid
*May 21, 2011*

**maths**

a prism has a cross sectional area of 8mm2 and a volume of 224mm3 calculate the length of the prism thank you so much for your help
*May 21, 2011*

**maths**

so the cube number is 3????
*May 21, 2011*

**maths**

3 x 3 x 3 = 27 27 is a cube number
*May 21, 2011*

**maths**

a cube has a volume of 27cm3 what is the length of one side of the cube
*May 21, 2011*

**geometry**

Find the length of segment AG in the figure if the prism is 8 ft by 9 ft by 12 ft.
*May 18, 2011*

**math urgent!!!!!!!!**

you have to isolate the x or the y. So move the 5x to the other side by subtraction,-4y=8-5x, then divide each part by -4, -4y/-4=(8/-4)-(5x/-4). Gives you y=-2+5/4x. Now plug that y into the original equation. 5x-4(-2+5/4x)=8... then once you get x plug that into the original...
*May 9, 2011*

**English**

I want to write a causal argument on how kids get hooked on unhealthy/processed foods (at home-- fast foods and at school-- vending machine and cafeteria hot lunches). I'm not quite sure what exactly to write about throughout a causal argument paper on this claim. What ...
*May 9, 2011*

**Abstract Algebra**

Let ø: G--> G' be a homomorphism from the group G to the group G'. Prove that ø(a)= ø(b) if and only if ab^-1 exists in Ker(ø).
*May 6, 2011*

**History **

The revolt in Hungary (1956), the demonstrations in Czechoslovakia(1968), and the formation of Solidarity in Poland (1980's) are similar in that they
*May 1, 2011*

**s.s (social studies) **

IS THIS RIGHT ? There comes a time in history,when the Americans must break away from england and become a separate nation , equal with other nations like god planned all along.We care about what the rest of the world thinks,therefore we will clarify why we are motivated to ...
*April 26, 2011*

**s.s (social studies) **

i dont get it
*April 26, 2011*

**s.s (social studies) **

can you help me translate the declaration of independence? first passage: When in the course of human events it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume among the powers of the earth, the separate ...
*April 26, 2011*

**Chemistry**

So basically for the first 3 answers (Part (A)(B)(C)): (A)and(B) - the concentrations would be equal since the mole ratio is equal and Q = K at equilibrium. (C) - the rate of both reactions would be equal also, as Q = k, right? (D)(1) - If the volume is increased at constant ...
*April 25, 2011*

**Chemistry**

PCl5 --> PCl3 + Cl2 (Kp = 630 at 546 K) A system is prepared by placing equimolar amounts of the three gases shown in the equation above in a suitable rigid container held at constant volume. Equilibrium is established at 546 K. (A) When equilibrium is established, how does...
*April 25, 2011*

**Life orientation**

Severally improve the worlds environmental problems,on the other hand,if the current way the worlds environmental problem is bing handled.
*April 8, 2011*

**Math**

Complete the square for this conic section in standard form: x^2+y^2-6x+4y-12=0
*April 3, 2011*

**science**

what kind of heat transfer causes earth's major wind patterns
*March 15, 2011*

**CALCULUS**

hi what is the derivativ of [-18(x^2)]/[(1+2(X^3))^2] ?? thanks!~
*March 10, 2011*

**Physics**

On a cold winter morning, a child sits on a sled resting on smooth ice. When the 9.20 kg sled is pulled with a horizontal force of 40.0 N, it begins to move with an acceleration of 2.50 m/s^2. The 23.0 kg child accelerates too, but with a smaller acceleration than that of the ...
*March 3, 2011*

**Abstract Algebra**

Let A= -{-1}, that is, the set of all real numbers except -1. Define an operation on A by a*b=a+b+ab (usual addition and multiplication in R) a) Show that * is closed on A b) show that * is associative c) Find the identity element for * and verify that it is the identity d) ...
*February 22, 2011*

**COLLEGE ALGEBRA**

Suppose that R is the set of real numbers. Let f: R--> R be defined by f(x)= mx+b, where m and b are real numbers and m is nonzero. Prove that f is a bijection.
*February 22, 2011*

**Math**

Jonathan can type a 20 page document in 40 minutes, Susan can type it in 30 minutes, and Jack can type it in 24 minutes. Working together, how much time will it take them to type the same document?
*February 15, 2011*

**US History**

How did Hitler respond to Germany’s obligations under the Treaty of Versailles when he became Germany’s leader?
*February 10, 2011*

**Abstract Algebra**

Let f:A->B where A and B are nonempty. Prove that f(S1 U S2) = f(S1) U f(S2)
*February 5, 2011*

**Algebra**

The slope formula is Y2-Y1/X2-X1. So it would be 1-2/2+2 which equals -1/4
*February 5, 2011*

**childcare**

OMG u guys aren't helping I'm gonna save all my answers and post them when I'm done
*February 1, 2011*

**science**

what do you want to know?
*January 31, 2011*

**geometry**

If the perimeter of a particular square is 2011 inches, what is the area of the square, in square inches? Express your answer in decimal form to the nearest hundredth.
*January 25, 2011*

**College Algebra**

Al gives 1/2 of his marbles to bev. bev gives 1/3 of these to carl. carl gives 1/4 of these to dani. If dani was given four marbles, how many did al have originally?
*January 23, 2011*

**algebra**

Nicole can jog to work in of an hour. When she rides her bike, it takes her of an hour. If she rides miles per hour faster than she jogs, how far away is her work? NEED HELP FAST
*January 21, 2011*

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