Sunday

April 20, 2014

April 20, 2014

Total # Posts: 902

**Algebra2**

Find the center and radius of the given circle. 1. x^2 + y^2 + 10y + 21 = 0

**Algebra 2**

Energy Use Light Output 35 2250 50 4000 70 5800 100 9500 150 16000 What is the quadratic model for the light output with respect to use energy use? I dont understand this at all Please help ):

**Physics**

Examine the table below as the spearation distance is doubled ow much does the electrostatic forces decrease? 1 20.0 Cm 0.1280N 2 40.0 cm 0.0320N 3 60.0 Cm 0.0142N 4 80.0 CM 0.0080N 5 100.0 CM 0.0051

**math**

Mrs. Brock's class has 23 students. Each student has 8 markers. Which describes how to find the total number of markers in the class? a) Multiply the ones. Record; b) Multiply the tens. Record; c) Multiply the tens. Record. Multiply the ones. Record. Add the partial produc...

**math**

Mrs. Brock's class has 23 students. Each student has 8 markers. Which describes how to find the total number of markers in the class? a) Multiply the ones. Record; b) Multiply the tens. Record; c) Multiply the tens. Record. Multiply the ones. Record. Add the partial produc...

**Writing**

I am doing a journal review paper for Psychology. What are the implications of this work (i.e. what light does it shed on the particular topic related to psychology)? I do not understand the question. What is it asking me to do? Can someone explain the question so I am can und...

**Psychology**

I am doing a journal review paper. What are the implications of this work (i.e. what light does it shed on the particular topic related to psychology)? I do not understand the question. What is it asking me to do?

**math**

Write your answer using only positive exponents. 30u^-15/34u^-16

**math**

what is a millogram

**math**

thanks mrs. sue !!! you are the best you are an lifesaver!!! and just to be sure 2 and 7/8

**math **

Cassandra has a square photo that has lengths of 4 inches. She cuts 5/8 inch off the top and 1/2 inch off the bottom. What is the new height of the photo?

**Physics**

I got the correct answer for the thrower, but for the catcher to find the second velocity, I follow the formula but it still counts it as wrong. What could I be doing wrong?

**geometry**

Draw and label the following: segment AB intersects segment CD at point M. M is the midpoint of both segments. If AM = x2 + 8x + 17 and MB = 12x + 14, find AB.

**Psychology**

What are some examples of self-monitoring techniques? What are some examples of self-managing techniques? NOTE: I just need some ideas.

**Psychology**

So, just basically talking about myself?

**Psychology**

What am I suppose write about when I am asked to describe my self-concept? Note: Do NOT just give a link to the definition. I know what it means already.

**physics**

B. Assume the child is 1.2 meters tall and casts a shadow of 6.4 meters. Determine the angle of the sun at that moment.

**math **

three pies are cut into sixths .how many pieces will there be

**math**

how to simplify the following,please step by step 56x^7+21x^4+63x^3

**Algebra 1**

4x+(-9+3x)=-5

**chemistry**

Determine the electron geometry, molecular geometry, and idealized bond angles for each of the following molecules. In which cases do you expect deviations from the idealized bond angle?1.pf3 2.sbr2 3.ch3br 4.bcl3

**Math**

Juan had three pieces of stick. The longest one measured 64 cm and is twice as long as the other two pieces. Find the total length of the sticks.

**averages**

The answer is 70. First off if we want to know the LEAST possible value for a, then b, c, d, e have to be the MAXIMUM value. In this case it would be e=109, d=108, c=107, and b=106. Now that we have values for all the variables except a, we can solve for a. To solve for a, we ...

**math**

A person has invested $6000 . Part of the money is invested at 3% and the remaining amout at 4% . The annual income from the two investment is $225.How much is invested at each rate?

**Math**

What is the answer here? Find the sum of the biggest odd numbers formed by the digits 1 and 2 and the smallest even number formed by the digits 6,7,8

**algebra**

30% of 59

**Physics**

If you must stop your moving car in a hurry, should you slam on the brakes and lock them?

**Calculus**

Solve the equation (3^x)^2-12*3^x+27=0 Simplify and write without negative exponents: 3^2(x^-2y^3)^3/4^1/2*x^-4cuberooty^2

**Calculus**

Is the entire problem to the fourth power, or just the denominator?

**Calculus **

Write as a single logarithm of a single quantity ln(3)+1/2ln(x+2)-4ln(1+sqrtx)

**chemistry**

aluminum has a density of 27g/cm3 if a chunk of aluminum with a mass of 16g is placed in a graduated cylinder partially filled with water how much will the water level rise

**spanish**

El domingo pasado, yo iba con mis amigos al cine. This says Last sunday, I was with my friends at the movie theater. It would be better if it said El domingo pasado fui al cine con mis amigos. Last Sunday I went to the movie theater with my friends.

**Spanish**

THE FIRST SENTENCE SAYS I did not speak with anyone in school. THE SECOND SAYS No, I spoke with nobody in the school ............................... I think the first is more correct.

**Spanish 8th grde**

¿Qué compraste la semana pasada? What did you buy last week? Compré una mochilla la semana pasada. I bought a backpack last week. ¿Bailaron Uds.? Did they dance. Sí, bailamos. Yes, we danced, (this depends on what type of spanish, latin ameri...

**5th Grade Writing**

its. because it's means it is. The horse hurt it is leg, doesn't make sense.

**physics**

the magnetic force on a straight 0.15m segment of wire carrying a current of 4.5 A is 1.0 N. What is the magnitude of the component of the magnetic field that is perpendicular to the wire?

**math**

if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for the smaller figure to the larger figure a)2:5 b)5:6 c)3:4 d)6:7

**math**

if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for the smaller figure to the larger figure a)2:5 b)5:6 c)3:4 d)6:7

**math**

if you have a large cube with a surface area of 32 and a smaller cube with the surface area of 18 what would the ratio be for the smaller figure to the larger figure a)2:5 b)5:6 c)3:4 d)6:7

**logarithmic differentiation**

y= 4th root (x^2+1)/(x^2-1)

**Math**

If two number cubes are tossed, what is the probability of getting a sum that is less than 6, given that 1 number cube shows a 3 ?

**math**

The vertices of a triangle are listed below. H(-2,4), I(22,4), J(10,-1) Which of the following correctly classifies the triangle? 1.The triangle is an obtuse isosceles triangle. 2.The triangle is a right scalene triangle. 3.The triangle is an obtuse scalene triangle. 4.The tri...

**chemistry**

what will be the boiling point 54.5 grams of aluminum sulfate dissolved in 805 grams H2O

**chemistry**

how many grams of sodium phosphate were dissolved in 382 grams of water in a 6.0 m solution

**Circuits**

In Circuits lab, we had to construct different types of operational amplifiers. The inverting and summing amplifiers produced similar output voltage to the calculated ones but were not negative. I was just wondering why they didn't reverse the sign in the experiment?

**Circuits**

In Circuits lab, we had to construct different types of operational amplifiers. The inverting and summing amplifiers produced similar output voltage to the calculated ones but were not negative. I was just wondering why they didn't reverse the sign in the experiment?

**Chemistry**

An aqueous solution contains 0.196 M hydrosulfuric acid and 0.190 M hydrochloric acid. Calculate the sulfide ion concentration in this solution. [S2-] = _________mol/L.

**Chemistry**

An aqueous solution contains 0.216 M ascorbic acid (H2C6H6O6) and 0.131 M hydrochloric acid. Calculate the ascorbate (C6H6O62-) ion concentration in this solution. [C6H6O62-] =______________ mol/L.

**statistics**

find the probability p(-1.14 < z < 1.01) using the normal standard distribution

**math**

your best friend ate 3/8 of a pizza from 4 diffrent pizza.how much pizza did he ate?

**Math**

for 6z=126, mike wrote that z=756. explain what mikes mistakewas. then tell the correct answer.

**physics**

true or false . refraction always involves a change in the speed and direction of a wave wat is required in order for diffraction to occur? wat causes wave interference?

**math**

whats the prime factorization of 62

**chemistry**

calculate the mass of kool aid required to prepare 200.0 ml of 0.30 M kool aid

**Math**

89.28

**MATH**

SUBTRACT 4 4/7 AND 3 2/3

**math**

Solve for X 0.0421=0.0015-x/0.025+1/2 i'm lost

**Science**

put one white flower in a vase with 5 cups of water and one white flower in a vase with 5 cups of water with food coloring (red green blue yellow or any color) for one week. make sure you take pictures and write a few sentences on what you noticed (since he's only in kinde...

**Physics**

A 933 kg block is pushed on the slope of a 20 ◦ frictionless inclined plane to give it an initial speed of 50 cm/s along the slope when the block is 1.5 m from the bottom of the incline. The acceleration of gravity is 9.8 m/s 2 . 1.5 m 933 kg 20 ◦ What is the speed...

**chemistry**

Your percent

**Economics**

adam smith supported three different views of theory of value (are the followings correct, i will add them to my essay) 1. Labor cost: he supported that everyone must produce his own goods using own labor and exchange the surplus with other goods. In this model of society no c...

**chemistry**

How many iron atoms are in 0.32 mol of Fe2O3

**trig**

If cosecant of theta equals 3 and cosine of theta is less than zero, find sine of theta, cosine of theta, tangent of theta, cotangent of theta and secant of theta

**College Algebra**

A manufacturer of radios estimates that his daily cost of producing x radios is given by the equation C=350+5x. The equation R=25x represents the revenue in dollars from selling x radios. *Profit function,P(x)=R(x)-C(x),P(x)=20x-350 *How many radios should the manufacturer pro...

**physics**

A ball rolls off a platform that is 5 meters above the ground. The ball's horizontal velocity as it leaves the platform is 4.8 m/s. (a) How much time does it take for the ball to hit the ground? (Use g = 10 m/s2.) . s

**CHEMISTRY**

Suppose you dump a 5-lb sack of sugar into Bellingham Bay. Assume the sugar disperses uniformly throughout all of the world’s oceans. Estimate how many molecules of sucrose would be found in each liter of sea water.

**chemistry**

Suppose you dump a 5-lb sack of sugar into Bellingham Bay. Assume the sugar disperses uniformly throughout all of the world’s oceans. Estimate how many molecules of sucrose would be found in each liter of sea water.

**Accounting**

Assets = Liabilities + Equity How can you tell which company have the strongest financial position? Is buy the highest in assets, highest in liabilities, or highest in equity? I am confused.

**Algebra II**

-12+4x/4

**Chemistry**

If you react 2.0 g AgNO3 and 2.5 g Na2SO4, what is the percent yield if the actual yield is 1.6 g Ag2SO4? 2AgNO3 + Na2SO4 → Ag2SO4 + 2NaNO3

**Physics**

billy and amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. it takes amy 41 minutes to arrive at school. bill arrives 21 minutes after amy. how much faster (in meters/second) is amy's average speed for the entire trip?

**geometry**

Simplify the following ratio 12XY: 8x

**Spanish**

Mi Mama es bonita A Mi Me Gusta El Chocolate Yo Fui al parque ayer Mi mama y yo fuimos al parque A Mi me gusta jugar juegos.

**math**

is 3 times 41 120

**geometry**

An isosceles trapezoid has bases length 19 and 11 centimeters and length 13 centimeters. What is the area of the trapezoid to the nearest tenth?

**Spanish**

1.Voy a nadar en la piscina. Necesito(I aam going to swim in the swimming pool. I need) un ttraje de baño(bathing suit). 2.Está lloviendo mucho. Necesito (it is raining a lot. I need..). el impermeable y la sombrilla (a raincoat and umbrella.) 3.No puedo ver bien...

**Algebra 2**

thanks so much!

**Algebra 2**

How would you find the x intercepts of 2x^2+17=0. The original equation is 2(x-3)^2-1.

**Chemistry 1010**

Sorry I thought I was posting a question not an answer to your question!!

**Chemistry 1010**

What is the mass in grams of one mole of water

**physics**

a gate 6m wide requires a force of 5.2 kg.wt. applied at the end to open it. what force would have to be applied (A) at the middle and (B) at 1.5m from the hinges, to open it?

**Science**

yeah baby bring it on!

**Science**

I love you!

**Science**

____ are fuels made from renewble resources You have to use ___ to grow plants and extract ethanol 2 alternative biofuels are ___ and ___

**Science**

Definition for Biofuel,Hydroelectricity,Geothermal,and wind energy

**SOCIAL STUDIEs**

Eli Whitney revolutionized indusrty in the north and south and impacted the Civil War. What 2 key innovations is he attributed with?

**French**

Can someone to correct mistakes? Thank you! Le 4 septembre a été volé un vélo. Une fille avait laissé son vélo près d'un bar. Quand elle est sortie du bar elle a vu que son vélo avait été volé et ...

**VETERANS DAY**

I put What Veterans day means to me is how people risk their lives so we can live our lives the way we want to. To me it's a special time to remember all the people who fought for us. It's a day to honor all our veterans... That's all I put so far

**VETERANS DAY**

I have to write a papre about Veteran's Day and what it means to me. I have some stuff about it but I need more. Can anyone please help me???

**SCIENCE**

How does waves deposit?

**chemistry**

The element strontium has ccp packing with a face-centered cubic unit cell. The volume of the unit cell is 2.25 x 10-25 L. Calculate the density (g/mL) of the element.

**chem**

When the valve between the 2.00-L bulb, in which the gas pressure is 2.00 atm, and the 3.00-L bulb, in which the gas pressure is 4.50 atm, is opened, what will be the final pressure in the two bulbs? Assume the temperature remains constan

**Spanish 8th grade**

TRANSLATION OF THE PASSAGE: My family and I like to spend time outdoors. When we have time, we leave the house and go to camp in the mountains or near a lake. It is important to bring the things necessary when going to camp because if you don't have what you need, you can ...

**algebra**

22x2y14-22x4y13

**Physics**

A hot air balloon is traveling vertically upward at a constant speed of 3.9 m/s. When it is 20 m above the ground, a package is released from the balloon. After it is released, for how long is the package in the air? The acceleration of gravity is 9.8 m/s

**chemistry**

could the quantitative precipitation be useful to determine the mass percent of copper in a sample that also contains magnesium ions?

**Women in Society**

How does the way a society treats and regards its women affect the way outsiders perceive that society? How do you think cinema - and other forms of pop culture and mass media - affect that perception?

**algebra**

How can you divide 64 into 2 groups to get a ratio of 3 to 5?

**algebra**

How can you divide 64 into 2 groups ti get a ratio of 3 to 5?

**geometry**

find the value of each variable 3m+5+4m-10

Pages: <<Prev | 1 | **2** | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Next>>