Kellie

I plan on attending a college in the fall with a tution of $26,000, needless to say I cannot afford this and my parents are in no situation to assist. If anyone knows of any websites that have info/applications for scholarships I would be most greatful. I...

18 years ago

Does the equation square root of x^2 + 3X= x-3 have no solution because I think there isn't one? change it to x^2 +2x +3=0 Now factor.

18 years ago

I am given 4 choices for the problem the square root of 8x -2 = the square root of 2x. The choices are a)x=2 or 2/9 b)no solutions c)2/9 or d)x=2.I have imput the numbers and gotten a variety of solutions none of which are any of the choices, does this me...

18 years ago

I have 2 problems I need help with both I have narrowed it down to 2 possible answers but can't decide which one is right. The first problem log subscript 5 (2x+3)=2 the choices a)13/2 and b) 14. The next problem 8^x = 16^x+2 the choices a)8 and b)-8. Hel...

18 years ago

I have 2 problems I need help with both I have narrowed it down to 2 possible answers but can't decide which one is right. The first problem log subscript 5 (2x+3)=2 the choices a)13/2 and b) 14. The next problem 8^x = 16^x+2 the choices a)8 and b)-8. Hel...

18 years ago

The problem 8^x = 16^x+2 the choices a)8 and b)-8. Help please! Given that information I want to say the answer is -8 ? where is the 2. Use parentheses. Is it 16^x+2 or 16^x+2 The 2 is part of the exponent. Take the log of both sides....

18 years ago

A 15.7mL sample of HNO3 reacts to neutralize 27.7mL of 0.187M KOH solution. What is the molarity of the HNO3 solution? HNO3 + KOH ==> KNO3 + HOH mols KOH = L x M = 0.0277 x 0.187 = ?? mols HNO3 = mols KOH (1 mol reacts with 1 mol). mols HNO3 = L x M You h...

18 years ago

When adding 100mL of water to a solution of 50grams of KI in 400mL of water, the total amount of KI in the new solution will be how many grams? Did I miss something here? The total amount of KI, if no extra is added and none taken away, MUST be 50 grams?...

18 years ago

Can someone just check this one for me? The neutralization reaction between Al(OH)3 and HNO3 produces a salt with the formula Al(NO3)3 + H2O Yes and no. It DOES produce a salt and that salt is Al(NO3)3 with the formula you have. However, the H2O, although...

18 years ago

How much water needs to be added to 150mL of an 0.75 molar solution of lithium phosphate to make the solution 0.625 molar? I came up with 70.31mL Can you someone just check this for me please? you want to dilute it 75/62.5, so you are diluting it a factor...

18 years ago

Find the limit or state that the limit does not exist for 3sub n +2 / n Choices a)=0 b)does not exist c)=3 d)=2 I believe the answer is either 3 or 2 but I can't decide which. what is 3 sub n? sub n means subscript

18 years ago

A wire from the top of a TV tower to the ground makes an angle of 52 degrees with the ground and touches the ground 180 feet from the base of the tower. How high is the tower? a)290 feet b)230 feet c)110 feet d)140 feet I'm pretty sure we can eliminate c...

18 years ago

Is this the correct structure for cis-3-octene? CH3-CH2 CH2-CH2-CH2-CH3 \ / C=C / \ H H I can't tell what you have since we can't do spacing on the computer. But I think I can draw it like this: CH3-CH2-C=C-CH2CH2CH2CH3 Now stick a H atom to the #3 and on...

18 years ago

I am totally lost on this one. 1,2,2-trimethylcyclopentane I think I have to draw the cyclopentane shape with the single bond going straight CH3 and I am lost from there. Draw the cyclopentane as a 5-cornered box. C-C | &nbsp| C &nbspC &nbsp\ &nbsp/ &nbsp...

18 years ago

Hope you don't mind I have 3 more that I don't understand 1)Draw the structure of the reaction product of 2-methyl-1pentene with H2 in the presence od platinum catalyst 2)Draw the structure of 4-methylcyclohexanol 3)Draw the structure of 2,3-dibromotoluen...

18 years ago

I am still not understanding this one at all. Draw the structure of the reaction product of 2-methyl-1pentene with H2 in the presence of platinum catalyst. This is the exact question it does not say cis or trans. I didn't follow DrBob222's reply, but I th...

18 years ago

Draw the structure of the product formed by the reaction between methyl alcohol and formic acid and give the molecular formula HCOOH + HOCH3 ==> HCOOCH3 + H2O determine this molar concentration 58g of lithium in 54-ml of water molarity = mols/L mols Li =...

18 years ago

Draw the structure of the product formed by the reaction between methyl alcohol and formic acid and give the molecular formula? I did not understand the answer that you gave me it did not make sense to me and I couldn't find it to respond back im sorry. I...

18 years ago

The radius of a lead atom is 175 pm. How many lead atoms would have to be laid side by side to span a distance of 4.20 mm?

18 years ago

The mass of a single silver atom is 1.79E-22 grams. How many silver atoms would there be in 143 milligrams of silver?

18 years ago

Use the following genotypes to answer the question. N= big nose n= small nose B= big nostril b= small nostrl H= hairy face h= no hairy face XY= man XX= woman Z= zits on the nose z= no zits on the nose If two parents who are heterozygous for all the traits...

18 years ago

garden squash plants produce white or yelloe squash. White color is dominant while yellow is recessice. A squash plant that is homozygous for white is crossed with a homozygous yellow one. Predict the phenotype of the F1 generation (first generation) and...

18 years ago

In tomatoes, red fruit is dominant to yellow fruit color. A farmer has plants that produce either red or yellow tomatoes. he has signed a contract with a large seed company to provide pure red dees and pure yellow seeds. the do not want hybrids. How can t...

18 years ago

I transfered classes and they use graphing calculators. I've never used the graphing functions on mine. We were supposed to graph exponetial functions. Help?

17 years ago

I have forgotten how to do ratios...Please help. The standard ratio of(number of treatments) and (total mL dose) are 3.5 to 2mL. If only 2 treatments are given, how many total mL doses are given?

17 years ago

The machinery costs 182,000 with a six year salvage value of 14,000. On December 31, at the end of its fifth year in operations, it is disposed of What would be the journal entry at the year of its disposal?

17 years ago

Okay Im super confused about how to do this Give three points that lie on the line 3x + 2y = 6 can some one please explain it to me? thank you

17 years ago

Describe one example of a human disorder that is inherited and also describe the specific inheritance pattern. For this example, pick disorders that result from mutations in DNA or chromosome number rather than examples such as a genetic tendency for a di...

17 years ago

How many people are cured from cancer each year, and around the world?

16 years ago

Can someone check my letter? Thanks! We are writing about how our family spends Christmas in America to our penpals. The words I don't know how to say are in parentheses. Chère Laurie, J'espère que (you are doing well?) and (enjoying the holidays?). Je vo...

16 years ago

What are the parts of a spacecraft and what is the science behind them?

16 years ago

45% of the tree in a park are maple. There are 27 maple tree in the park. How many tree are there in all in the park?

16 years ago

How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an euation? If you replace the equal sign of an equation with an inequality sign, is there ever a time when the same value will...

16 years ago

FIND THE POSITION AND NATURE OF THE STATIONARY POINT ON THE CURVE Y = 3x^5 - 10x^3 +15x Can you find dy/dx and can you simplify it please.

15 years ago

We were asked to come up with a list of needs for ourselves, for our grandparents and for people our age in another continent. For my grandparents I have shelter from the war, warm blankets for winter. For someone my age in Africa I have money for school...

15 years ago

Is my answer correct? The population of a city is 160,000 and is increasing at a rate of 1.5% each year. Approximately when will the population reach 320,000? My answer is approximately 46 years. Is that right? Thx

15 years ago

Place decimal points in these numbers so that their sum is 519.654. 329 913 477 624

15 years ago

What are 5 general elements or characteristics of the tall tale John Henry?

15 years ago

I need help with a thesis sentence about music stating how & why it is more than an important piece of entertainment

14 years ago

Two blocks (on top of one another), each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a horizontal force of magnitude 6.8 N, directed to the right. The blocks move together to the right at constant velocity. (a) Find the frict...

14 years ago

John weighs 660 N, and Marcia weighs 486 N. Estimate the gravitational force between them when they are 0.47 m apart. I've tried finding the mass of john and marcia by doing m=F*a (F being their weight in Newtons and a being 9.8 m/s^2). When I found their...

14 years ago

Suppose you carry a bag of groceries weighing 127 N from your car to your kitchen, a distance of 48 m, without raising or lowering the bag. (a) What is the work done by the force you exert on the bag?

14 years ago

A man of mass 75.5 kg walks down the aisle of an airplane at a speed of 1.50 m/s in the forward direction while the plane moves at a speed of 305 m/s relative to the earth. (a) Find the man's kinetic energy relative to the plane. (b) Find the man's kineti...

14 years ago

A rubber ball of mass 18.0 g is dropped from a height of 1.75 m onto a floor. The velocity of the ball is reversed by the collision with the floor, and the ball rebounds to a height of 1.55 m. What impulse was applied to the ball during the collision?

14 years ago

Find the linear momentum and kinetic energy of a bullet of mass 4.80e-2 kg moving at a speed of 320 m/s. I found the linear momentum to be 15.36 by doing m*v but I can't figure out the kinetic energy.

14 years ago

A bowling ball weighing 40.0 N initially moves at a speed of 4.90 m/s. How long must a force of 54.0 N be applied to the ball to stop it?

14 years ago

A particle with an initial linear momentum of 2.28 kg · m/s directed along the positive x-axis collides with a second particle, which has an initial linear momentum of 4.56 kg · m/s, directed along the positive y-axis. The final momentum of the first part...

13 years ago

An amusement park ride called the Rotor consists of a room in the shape of a vertical cylinder (2.10 m in radius) which, once the riders are inside, begins to rotate, forcing them to the wall. When the room reaches a speed of one rotation every 1.36 s, th...

13 years ago

A child sits down on one end of a horizontal seesaw of negligible weight, 2.14 m from the pivot point. No one balances on the other side. Find the instantaneous angular acceleration of the see-saw and the tangential linear acceleration of the child.

13 years ago

A 85.0 N weight is held in the hand. The upper arm makes an angle of 32.0° with the vertical, and the lower arm is 10.0° above the horizontal. Find the tension in the biceps tendon. See figure below.

13 years ago

How many liters of .0020 M iodine solution can be made from .050 moles of iodine (I2)?

13 years ago

How does the health care system affect our society socially, economically and environmentally?

13 years ago

An electric motor is tested and found 76% efficient. if the input work is 400 J, what is the motors output work? A ramp has a length of 4m and a height of 1.5m. If a man pushes a 40N crate to the top of the ramp with a force of 60N, what is the efficiency...

13 years ago

Check this please :D Which of the following three statements used to describe work are true: i)Work is done only if an object moves through a distance ii)Work is done only if energy is transferred from one form to another iii)Work is done only if a force...

13 years ago

What's one issue that affects the workplace and how it is a problem that creates discussion among people with different points of view?

13 years ago

A helium-filled balloon has a volume of 2.83 L at 30 ◦ C. The volume of the balloon decreases to 2.35 L after it is placed outside on a cold day. What is the outside temperature in K? Answer in units of K?

13 years ago

25.0 mL tap water is titrated with 0.00500 M EDTA 7.95mL EDTA is required for complete reaction with water hardness what is the molarity of the total water hardness

13 years ago

A 1.00 L vessel contains 5 g N2 and 1.5 g H2O at 25 degrees C. Calculate the mass of LIQUID water that would be present in the vessel.

13 years ago

Given: Ti=298K V=.005 L Pt=1 atm P H20 vapor= .0313atm P air= .9687 atm you increase the temperature to 338K; the total pressure remains 1 atm, but the volume increases. Determine the volume at the new temperature (assume water vapor reaches equilibrium a...

13 years ago

The normal boiling point of ethanol is 78.5C. Using the following information: delta H formation (C2H5OH (g))= -234.38 kJ/mol determine the enthalpy of vaporization of ethanol. I know it should be around 39.3 according to a table in my textbook, however,...

13 years ago

A 1560 kg car is traveling with a speed of 14.5 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 53.3 m?

13 years ago

A 3.0kg object originally at rest explodes and splits into three fragments. One fragment has a mass of .50kg and flies off along the negative x-axis at a speed of 2.8m/s, and another has a mass of 1.3kg and flies off along the negative y-axis at a speed o...

12 years ago

what will have a greater effect on the intensity of a sound, doubling its power or halving its distance? Explain your answer.

12 years ago

You are interested in purchasing a wide-screen television set at Target. On this type of TV, the ratio of screen width to screen height is 16 to 9. If a certain model you are considering has a screen width of 48 inches, what is the height of the screen (i...

12 years ago

In the equation N2 + 2 O2 → 2 NO2, 14 g of nitrogen can produce how many grams of nitrogen dioxide?

12 years ago

We are given that the solubility product of platinum (II) sulfide is 9.9x10^-74 We are told to write a balanced equation for dissolving platinum (II) sulfide. I put : PtS(S) <> Pt^2+(aq) + S^2-(aq) and then we had to write the Ksp expression: Ksp=[Pt^2+][...

8 years ago

First distribute on the left side. 4(16-t)= 64-4t. Now the equation reads 2t/3-11=64-4t-1t/3. Now, to get rid of the division by 3, multiply everything by 3. 2t-33= 192- 1t. Now get the t's on the same side. Add 1t to the left side. 3t-33=192. Then add 33...

17 years ago

The variable is c. Variable means the letter or symbol used in place of a number. That is c!!!!!!!!

17 years ago

A simple machine is a pully, lever, wheel and axle, inclined plane. You could use a ramp and roll a marble down it. That's one simple machine. Then the marble can roll into a wheel and turn it which is another simple machine. Lastly, the wheel could push...

17 years ago

C is the variable.

17 years ago

I KNOW I KNOW! When you distribute -5 to -7 in the beginning its 35 not negative 35.

17 years ago

You mean miss multiplied.

17 years ago

It didn't all show up.. Hmm. Here is the rest. À la veille de Noël, on mets nos (stockings?) sur la cheminée. Ça, c'est la partie favorite de mon petit frère, (besides?) ouvrir les cadeux bien-sûr! quand j'étais petite, on mettrait des biscuit sous le sap...

16 years ago

Merci!

16 years ago

I dunno that's why i asked the question!

16 years ago

CAN SOMEONE ANSWER I HAVE TO DO AN ESSAY ON THIS RIGHT NOW!!!!

16 years ago

Oops, I didn't think about medication. Can I list a job as a need? you need a job to earn money so i would think it's necessary for survival.

15 years ago

what exactly does mu stand for?

14 years ago

45 is the only thing it could be.

14 years ago

(2.8 miles/41 Seconds) x (60 seconds/1 minute) x (60 minutes/ 1 hour) = 245.85 mph (or miles per hour)

14 years ago

c=0.2887

14 years ago

take it outside constantly. while outside, when the puppy does its business give her a treat. when your inside and the puppy does it's business (say on the kitchen floor), then point to the puppy and say NO! with force. you don't have to hit it or even to...

14 years ago

I worked out the first equation for part a and found the acceleration to be -0.2304. When doing the second equation, I found work to be -8478.72 J. Can work be negative? I feel like I haven't worked this out correctly.

14 years ago

I feel like the acceleration isn't correct.

14 years ago

Yea, I was wondering the same thing because mine is wrong too!

14 years ago

thanks! I'm studying for a test and this helps me tremendously!

14 years ago

I know that the angular acc is g/d or 9.8/2.14=4.58 rad/s^2

13 years ago

where is the 1.91 coming from?

13 years ago

156

13 years ago

B is right

12 years ago

climate

9 years ago

50

9 years ago

8/210 = x/440 210x = 3520 x = 3520/210 x = 16.76 gallons

8 years ago

These are bells that are attached to the projections of the collar of a draft horse

8 years ago

because i forgot to mention the solubility product given

8 years ago

500 mL

7 years ago