# Posts by aria

Total # Posts: 282

Math
3d-10=5 (d-4) i don't understand hoe to solve the problem... plz help

Algebra 2
The cows at the evaleen dairy produce enough milk to fill a 4800 gallon tanker truck each day. The milk is then hauled to processing plant where it is put into smaller storage containers and then used to fill gallon jugs that are delivered to local stores. The storage ...

Chemistry
Ion flame test Why is it important to not let the wooden splint burn ?

Maths
how would you solve for 't' with this equation? 10=-2^(-t+2.5)+10

Physical Education
#7 is the only one that is wrong. It should be a) forward The rest are good! :)

Math
Allen has a piece of rope that is 84 inches long. He cuts off one piece that is 43 3/4 inches long and another piece that is 31 5/8 inches long. What is the total length of the remaining piece of rope after the two cuts are made?

Chemistry
THE LIMIT DOES NOT EXIST!

Algebra 2
The answer is gotti.

Calculus
dfedrdftgvnh b

Science
I got 10/10 anyways :3

Science
Thanks

Science
But I need the answers and help =( I don’t wanna fail

Science
Cmon someone!!!!

Science
Someone?!

Science
1. Which of the following traits is acquired? A. The number of petals that grow in a plants flower B. the wing shape of a wild bird C. The ability of some gorillas to learn sign language** D. A cheeta’s ability to run faster than any other land animal 2. The height of a ...

6 grade math
Erin buys a bag of peanuts that weighs of 3/4 of a pound. Later that week, the bag is 2/3 full. How much does the bag of peanuts weigh now?

Science help
and a sob is an arrogant person who commonly looks down on people who are lower than them who beg for help and such so arent you basically being a snob towards someone just because they ask for help and do not understand some things and just want the answer? So how is someone ...

Science help
i stumbled upon more of a cat fight rather than a question. Doesnt make sense how someone is an immature snob if they came for answers when everyone here does that. Calling someone an idiot just makes you look more immature than the rest. Why is there always that one hypocrite...

Math
A new fence is constructed on three sides of a housing block with area 240 m2. The fourth side facing the road is left open. If 52 m of fencing is used, what are the dimensions of the block?

Algebra
rational

Math
An open-topped box is constructed from a piece of cardboard with a length 2 cm longer than its width. A 6 cm square is cut from each corner and the flaps turned up from the sides of the box. If the volume of the box is 4050 cm3 , find the dimensions of the original piece of ...

Science
same i go there too

Calculus
Thank you. :) I was wondering, did you break up the fractions and then integrate it?

Calculus
Can someone show me a step by step process, along with explanations on how to do this problem? Thank you. :) Evaluate the integral ∫ [(x^2 - 1)/(x^2 + 1)]dx?

Physics
I don't really know where to start on the problem. Would I use V = k(q/r)? But what would I do afterwards. Much explanation on how to go about the problem is much appreciated. Thank you. 1) Three point charges are arranged at the corner of a square of side l. What is the ...

Calculus
Thank you so much. Although for problem number 1, I realized that I inputted it incorrectly (having problems with my + key). It is actually: 75/(1+6e^0.2x) = 30 Would I still solve it the same way but subtract 1 to the other side?

Calculus
Hello, I really need help on these two homework problem. >< In problem #1, I believe it is related to the exponential functions and their derivatives section...in Calculus II? So, surely there should be a ln in the solution as well? I would like a step by step process ...

Science Help!
I think you are right.

PLEASE HELP ASAP Language Arts
Us tutors won't do your work for you. We are happy to check your answers but we won't give you the answer.

Math
I think she would have 12 choices because: She has four colors: 4 She can choose three: 3 4 * 3 = 12

data analysis w/spreadsh w/lab
The outcome of what?

Math
Anytime

Math
Yep

Math
So, you have to do the same thing like in th last question. 20 * .10 =??

math
I am not completely sure, Laura but I think the answer would be feet.

MGMT
Yeah, Ms. Sue is right. You definitely need to include those factors into it

MGMT
Well, if you set a good example, or if you aren't rude to any of the worker, they will respect you better. Their is a higher chance of the workers treating the manager with respect if the manager is kind and hard working like all the other workers.

Math
You're welcome, Amy

Math
Well, there is 4 trees in the park.

Math
This is how I wold solve this: 9 * .45 = ? Use a calculator or something to figure it out. Hope I helped. :)

Math
Yes

Math
The equation would be 16/12 because there are twelve boxes and all of them added up together would be 16. So you would write your equation like this: 16/12 = 1.33... and so on.

Math
Okay. I got it. I know how to do this question now.

Math
Oh, wait. I'm sorry. Hold on. I got this wrong. I hope you aren't mad. Let me re read the question.

Math
Okay, good. So you have \$1.92 per box So your equation that you would put down would be...?

Math
Okay, so you have twelve boxes of pencils. Lets say this: \$ was one box of pencils Well, you have twelve so... \$ \$ \$ \$ \$ \$ \$ \$ \$ \$ \$ \$ each of those boxes cost 16 bucks. So what is 16 * 12?

Science 8
What about the third law?

Science 8
How are Newton’s second and third laws of motion important to your everyday life? Please help me! I've looked everywhere and I can't seem to find an answer.

math
If you had \$3.00, but you used \$4.00 how much would you have left?

math
Do you need help solving the problem?

math
-11 is your answer

Calculus
Oh wow, thank you so much!

Calculus
Find all values for c in the intercal (1,4) so that the slope of the tangent line at (c,f(c)) equals the slope of the secant line through (1,1/3) and (4,2/3) where f(x) = x/(x+2) 1 </ x </ 4 (<-- that is suppose to be the less than or equal to sign) I'm not sure ...

chemisrty
A solid acid is dissolved in enough water to make 200 ml of a solution. 40.0ml of the solution is titrated to a phenolphthalein en point with an NaOH solution. The neutralized solution and the remainder of the acid solution are then mixed and the PH of the resulting solution ...

chemistry
Propionic acid has a ka of 1.3x10^(-5), 50.0ml of a buffer solution having a pH of 4.65 is to be prepared using a 0.20 M solutions of propionic acid and sodium propionate. How many ml of each of these solutions must be mixed? Thanks in Advanced !

Biology
Positive feedback loops contribute to homeostasis.

Biology
How does diving bradycardia reflex help explain why we can survive after falling into cold water and being submerged for long periods of time? Give a physiological reason that explains the relationship between lung size and body size. From a physiological perspective, why is ...

Science
JJ is right! I got 4/4

Statistics
Never mind, figured it out :)

Statistics
Two of the biggest soft drink rivals, Pepsi and Coke, are very concerned about their market shares. The pie chart that follows claims that PepsiCo's share of the beverage market is 25%. Assume that this proportion will be close to the probability that a person selected at ...

Statistics
Nevermind! I figured out what I did wrong!

Statistics
Let X be a binomial random variable with n = 100 and p = 0.2. Find approximations to these probabilities. (Round your answers to four decimal places.) P(17 < X < 28) I get the answer as 0.7059 but it is wrong. I can't seem to figure this out... Help please

math
jdenikljgdlknfrik

Science Work
Yup I got 10/10 ! 10 is C

Math
Is -4+2y=-2 a direct variation, and if it is what is the constant?

Biochemistry
1. What is the overall charge of the tripeptide below pH 1.0? 2. What is the overall charge of the tripeptide at pH 12? 3. What type of intermolecular attractions could the side chains of the amino acids make with the solvent (water) at pH 7.4? (Note that these are attractions...

Chemistry
100 mL of 1.0 M formic acid (HCOOH) is titrated with 1.0 M sodium hydroxide (NaOh). The Approximate pKa is 4 At the pKa, what fraction of the carboxyl group will have been converted to COO-?

Chemistry
Thank you very much!

Chemistry
Select the statements that correctly describe buffers.? 1) The pH of a buffer solution does not change significantly when any amount of a strong acid is added. 2) The Ka of a buffer does not change when any amount of an acid is added to the buffer solution. 3) The pH of a ...

Chemistry
Thank you so much, it makes a lot more sense now! :)

Chemistry
Using the reaction and the E∘ given below 2Co^3+(aq)+2Cl^−(aq)→2Co^2+(aq)+Cl2(g) E∘=0.46 V what is the cell potential at 25 ∘C if the concentration are [Co^3+]= 0.565M , [Co^2+]= 0.554M , and [Cl^−]= 0.838M and the pressure of Cl2 is PCl2= 8...

7th Grade Social Studies
Thank you Anonymous! I got them all right!

math
use the given zero to find the remaining zeros of the function: F9x)=x^3-5x^2+4x-20; zero:2i I don't get it. Can someone please show me what to do with this?

Math
Don't know what

SCIENCE NEED HELP
Jose buys a new moped. He travels 3 km south and then 4 km east. How far does he need to go to get back to where he started?​

Statistics
The number of traffic accidents per day on a certain section of highway is thought to be Poisson distributed with a mean equal 2.19. Based on this, how many traffic accidents should be expected during a week long period? a. 15.33 b. 10.95 c. approximately 10.36 d. ...

Statistics
A sample of 50 values produced the following summary statistics: Q1 = 10, Q2 = 14.6, Q3 = 16.7 and x = 15.3. Based on this information, the left and right ends of the box in a box and whisker plot are, respectively, a. 10 and 14.6 b. 14.6 and 16.7 c. 10 and 16.7 d. 5.3 and 32....

Physics
A football was thrown from the line of scrimmage with a velocity of 30 m/s at an angle of 30o above the horizontal. (a) Determine the time required by the ball to reach the maximum height of its flight path. (b)Determine the distance from the line of scrimmage that a receiver ...

Physics
A 0.2 kg baseball located at the top of a building which is 100 m above the ground is thrown with an initial velocity 30 m/s at an angle of 30o above the horizontal. (a) Determine the total energy which the ball will have just after the instant that the ball is thrown. (b) ...

Physics HELP PLZ :(
A 2.0 kg mass is placed in front of a spring (K = 40 N/m) which has been compressed to its maximum of 20.0 cm. (a)If the spring is released, determine the velocity of the mass at the instant that the spring is only compressed 10.0 cm. (b) Determine the velocity of the mass ...

Physics
During a training exercise a cannon ball is fired with a muzzle velocity of 84.9 m/s at an angle of 45o above the horizontal. Determine how far from the cannon the ball will land when it hits the ground.

Physics
A 0.22 calibre rifle shoots a bullet of mass 1.8 g with a muzzle velocity of 500 m/s. If the barrel is 25 cm long, what is the average force exerted on the bullet while it is in the barrel?

math
Cohen has consistently averaged 120 yd. of horizontal distance with his 7-iron over the last two years playing golf. His ball flight typically reaches a maximum height of 24 yd. (Hint: A rough sketch will help you) a.) Create a function in vertex form that relates these ...

Math
Two consecutive integers are squared. The sum of these squares of these squares is 545. What are the integers?

Math
A bridge over a river is supported by an arch. The function that describes the arch us h(x) = -0.0274x^2 + 1.34033x, where h(x) is the height, in metres, of the arch above the water at any distance, x, in metres, from one end of the bridge. Could a sail boat with an 18m mast ...

Calculus
Thanks a lot, it makes so much more sense now! :)

Calculus
Differentiate x^2y^3+x^3y^4=11 implicitly to find dy/dx.

6th grade history
thank you

6th grade history
so the mound builders lived in North America???

6th grade history
Where did the mound builders live???

history
1) Romans elected leaders to make _______. 2) The ________ wrote the laws on the 12 Tables.

Biology
What are the similarities of the evolution of birds on hawaiian islands and the finches on the Galapagos?

Biology
What are the similarities of the evolution of birds on hawaiian islands and the finches on the Galapagos?

Chemistry - Half-life
Phosphene decomposes to phosphorus and hydrogen in a first order mechanism. 4PH3(g) --> P4(g) + 6H2(g) This reaction's half-life is 35.0 s at 680 degrees C. If you had 520 mmHg of phosphene in an 8.00-L flask, how long does it take for the pressure in the flask to rise ...

Math
A contact lens has a spherical shape and pretend it is being held on a finger ready to put into an eye. (All measures are in millimetres.) Suppose we take the semi-circular cross-section through the middle of the lens. Find the equation of the lens if the centrepoint of the ...

Biology
Suppose that black hamsters were found to be 70% of the population and the gray hamsters 30% of the population. Calculate the percentage of BB, Bb, and bb hamsters in the next generation. - I don't know how to calculate the percentage of the genotypes.

chemistry
Balance each of the following redox equations using the half-reaction method. HI(s) + H2SO4 (aq) --> H2S(g) + I2 (s) My only question about this equation is...how do I know how many electrons I need to put on both sides? Other than that I know how to do it.

Chemistry
Thank you so much! :)

Chemistry
If you mix 20.0 mL of 1.00 x 10-4 mol/L NaCl with 20.0 mL of 2.00 x 10-6 mol/L AgNO3 will a precipitate form ? If it does it will be AgCl, which has a Ksp of 1.80 x 10-10. i'm not quite sure how to figure this out...

Chemistry
I'm not sure how to use the collision theory to explain the decreasing temperature, increasing concentration, and when adding a catalyst on the rate of a chemical reaction.

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