# Posts by andrew

Total # Posts: 1,195

algebra 2
solve equation for x atate any restrections ax-bx+2a

College 103 Chem
How many grams of Sodium Phosphate would you need to make 225ml of 8.00M of stock solution? Thank you

Math
CHEATER!!!!! do not answer this. this is an ongoing problem on brilliant . org. Be ashamed of yourself, "best".

physics
A car is hauling a 89 kg trailer, to which it is connected by a spring. The spring constant is 2100 N/m. The car accelerates with an acceleration of 0.29 m/s2. By how much does the spring stretch?

pls heeelp math
Please stop cheating, mathslover. I will delete your account on Brilliant if you continue this behavior. -Calvin

plls heeeeeeelp math
How many ordered pairs of positive integers 1≤k≤n≤50 are there, such that k divides n, and (n/k )!= n!/k! ?

heeeeeeeeelp math
is it ? are you know my Brilliant Accout? hahaha freaking stupid threat

heeeeeeeeelp math
How many ordered pairs of positive integers 1≤k≤n≤50 are there, such that k divides n, and (n/k )!= n!/k! ?

heeelp tooough physics
A tunable capacitor (with variable capacitance) is charged by a U 0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times. What is the power...

heeeeeeelp geometry
In a triangle ABC, BK is an angle bisector. A circle with radius 5/3 passes through the vertex B, intersects AB at a point L, and is tangent to AC at K. It is known that the length of AC is 3√3, and the ratio of the lengths |AK| to |BL| is 6:5. The area of the triangle ...

heeeeeeeeeelp math
Miles has 4 Lego people in his Lego town. A Lego person consists of exactly 1 set of legs, a torso, and a head. All of these body parts are distinct. Miles' son comes in and takes apart the Lego people. How many different sets of 4 Lego people can be created from the pieces?

heeeeeeeeeeeeelp math

heeeeeeeeeeeeelp math
Miles has 4 Lego people in his Lego town. A Lego person consists of exactly 1 set of legs, a torso, and a head. All of these body parts are distinct. Miles' son comes in and takes apart the Lego people. How many different sets of 4 Lego people can be created from the pieces?

heeeeeeeelp math
Let x,y,z be non-negative real numbers satisfying the condition x+y+z=1 . The maximum possible value of x^3*y^3+y^3*z^3+z^3*x^3 has the form a/b where a and b are positive, coprime integers. What is the value of a+b ?

heeeeeeelp math
Miles has 4 Lego people in his Lego town. A Lego person consists of exactly 1 set of legs, a torso, and a head. All of these body parts are distinct. Miles' son comes in and takes apart the Lego people. How many different sets of 4 Lego people can be created from the pieces?

heeeelp physics
A tunable capacitor (with variable capacitance) is charged by a U 0=12 V battery and then is connected in parallel to a R=3 Ω resistor. The capacitance C(t) of the capacitor is controlled so that the current in the circuit remains constant at all times. What is the power...

pllllls heeeeeeeeelp math
Let x,y,z be non-negative real numbers satisfying the condition x+y+z=1 . The maximum possible value of x^3*y^3+y^3*z^3+z^3*x^3 has the form a/b where a and b are positive, coprime integers. What is the value of a+b ?

math plllls heelp
How many integers 1≤N≤1000 can be written both as the sum of 26 consecutive integers and as the sum of 13 consecutive integers?

heeeeeeeeeeeeeeeeeeeelp maths
In triangle ABC, points D,E,F are on sides BC,CA,AB respectively such that AD,BE,CF are angle bisectors of triangle ABC. The lines AD,BE,CF are concurrent at I, the incenter of triangle ABC. If ∠BAC=92∘, what is the measure (in degrees) of ∠EIF?

help math
In triangle ABC, points D,E,F are on sides BC,CA,AB respectively such that AD,BE,CF are angle bisectors of triangle ABC. The linesAD,BE,CF are concurrent at I,the incenter of triangle ABC. If Angle BAC=90, what is the measure (in degrees) of Angle EIF?

help maths
f(x) is a cubic polynomial such that f(n)=1/n^2+1 for n=1,2,3,4. If f(0)=a/b,where a and b are coprime positive integers, what is the value of a+b

geometry
A rectangular prism has a volume of 250 cubic cm.What would the volume be if one dimension stayed the same, a second dimension was three times as long, and the third was twice as long?

Probability
Andrew has ten different two-player board games on his shelf. He has them numbered 1 through 10. When he plays the game i against Diego, he has a i^2/100 chance of winning. If Andrew rolls a fair ten-sided die to determine which game to play, the probability that he will win ...

Geometry
ABC is a triangle with a right angle at A. M and N are points on BC such that AM is the altitude, and AN is the angle bisector of ÚBAC. If CN/NB =21 , what is CM/MB ?

Algebra
Suppose x and y are real numbers and 4x+3xi+yi−43=2y+2xi−x+2yi+5i . What is the product xy .

Science
Two point charges +q=1 ìC and −q=−1 ìC with mass m=1 g are fixed at the positions ±r ⃗ 0 with |r 0 |=1 m . The charges are released from rest at t=0 . Find the time ô in seconds at which they collide.

math
what is a pentagon

algebra
4x-3y=24

MATH
What is 10 3/7 as a percent and a decimal

accounting
Ziegler Corporation purchased 25,000 shares of common stock of the Sherman Corporation for \$40 per share on January 2, 2010. Sherman Corporation had 100,000 shares of common stock outstanding during 20 I3, paid cash dividends of \$120.000 during 20 I3, and reported net income ...

College Physics
A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a frictionless wall. Determine a formula for the minimum angle at which the ladder will not slip.

College Physics
A large 61.0 kg board is propped at a 45 degree angle against the edge of a barn door 2.9m wide. How great a horizontal force must a person behind the door exert (at the edge) in order to open it? Assume that there is negligible friction between the door and the board but that...

College Physics
A cubic crate of side s=2.0m is top-heavy: its CG is 18cm above its true center. Part A) How steep an incline can the crate rest on without tipping over? Part B) What would your answer be if the crate were to slide at constant speed down the plane without tipping over? (The ...

chemistry
URGENT THANKYOU

chemistry
C2H5OH+O2-CH3COOH+H2O HOW MANY MOLES OF ETHANOL IN 5g

math
The floor for people that don't know what floor they want to go on

language arts & writing
probably c if i were to guess

chemistry (electrochemistry)
1) For the following electrochemical cell Cu(s)|Cu2 (aq, 0.0155 M)||Ag (aq, 1.50 M)|Ag(s) write the net cell equation. Calculate the following values using standard potentials as needed. Eo cell and dGo for each reaction...

chemistry
A current of 3.78 A is passed through a Pb(NO3)2 solution for 1.40 hours. How much lead is plated out of the solution?

accounting
Hillsborough Co. has an available-for-sale investment in the bonds of Schuyler with a carrying (and fair) value of \$ 85,540. Hillsborough determined that due to poor economic prospects for Schuyler, the bonds have decreased in value to \$ 59,710. It is determined that this loss...

accounting
Rushia Company has an available-for-sale investment in the 10%, 10-year bonds of Pear Co. The investment’s carrying value is \$3,200,000 at December 31, 2010. On January 9, 2011, Rushia learns that Pear Co. has lost its primary manufacturing facility in an uninsured fire. ...

Algebra
a,b,c are positive integers such that a:b=7:9 and b:c=12:7 . What is the smallest possible value of a ?

help making equations
Jeb has to pay a plumber \$65 to come to his house and \$40 per hour after that. Write an equation for the cost (y) based on the number of hours (x)

math
Thank you sir

math
Hi ! Here is my question: The pythagorean theorem gives the relationships between the sides of a right triangle. The following identities show the relationships between the trigonometric functions of a particular angle. sin^2(theta) + cos^2(theta) = 1 tan^2(theta) + 1 = sec^2(...

math
find the monthly payment for the loan. Finance \$ 750.000 for a warehouse with a 9.50% 30 year loan.

math
thank you I got this 65.89

math
Ms Sue where did you add 5%

math
Ms Sue What about 15% installment loan

math
Karen and Wayne need to buy a refrigerator because theirs just broke. Unfortunately, their savings account is depleted, and they will need to borrow money in order to buy a new one. Sears offers them an installment loan at 15% (add-on rate). If the refrigerator at Sears costs...

math
Thank you for help.

math
Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2

math
Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2

math

math
Thank you for answering my question.But I really do not know what happend to the 4 in front of the equation?

math
4 In e= In (ã(3))/(x)-4 In e Solve the equations by finding the exact solution.

Chemistry
I just tried that and it told me the answer was incorrect. It gave a hint saying In acidic solution, use the reaction given for the solvation of CaCO3 in acidic solution. Construct a concentration table that allows for the calculation of final concentration as if the reaction ...

Chemistry
Compare the g/L solubility of CaCO3 in pure water, a H3O+ (aq) solution with a PH of 3.00 and a H30+(aq) solution with a pH of 1.00. Ksp for CaCO3 is 3.36 x 10^-9 CaCO3 (s) + H3O (aq) = Ca (aq) + HCO3 (aq) + H2O (l) (equilibrium equation) Keq= 71 I knew how to do this for pure...

chemistry
Chlorine gas is collected in a gas collecting tube above water. The gas is at 20oC and the total pressure in the tube is 755 mmHg. What is the pressure (in mmHg) of chlorine gas in the tube?

math
The breaking strength (in pounds) of a certain new synthetic is normally distributed with a mean of 175 and a variance of 4. The material is considered defective if the breaking strength is less than 170 pounds. What is the probability that a single, randomly selected piece of...

Physics
Your grandfather clock’s pendulum has a length of 0.9930 m. If the clock loses 95.6 seconds per day, by how many millimeters should you adjust the length of the pendulum?

Physics
What is the period of a simple pendulum 83 cm long on the Earth?

Physics
A pendulum has a period of 4.28 s on Earth. What is its period on Mars, where the acceleration of gravity is about 0.37 that on Earth?

math
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 80 people. (a) How many would you expect to be between 170 and 175 cm tall? (b) How many would you expect to be taller than 179...

Literature
I'm doing a literary analysis of Mark Twain's "The Private History of a Campaign that Failed" and I'm having a hard time coming up with a good these statement... Any suggestions?

probability
the probability of drawing a club from a deck of card is 1/4 what are the odds in favor of drawing a club from an ordinary deck of cards?

math
An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount 'a' spent on advertising (in dollars) by the following formula: N= 1,500 + 400 ln a ( a ¡Ý 1 ) How many units are sold after spending \$ 1,000 (to ...

math
calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). \$ 400 balance, 15%, \$ 50 payment. A) previous balance ...

math
calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). \$ 400 balance, 15%, \$ 50 payment. A) previous balance ...

math
Classify the finacial problem. Assume a 7% interest rate compounded annually. Find the value of a \$ 1,000 certificate in 4 years. a) sinking fund, b) ordinary annuity, c) future value, d) present value e) amortization

math
Classify the finacial problem. Assume a 7% interest rate compounded annually. Find the value of a \$ 1,000 certificate in 4 years. a) sinking fund, b) ordinary annuity, c) future value, d) present value e) amortization.

math
Classify the finacial problem. Assume a 7% interest rate compounded annually. Find the value of a \$ 1,000 certificate in 4 years. a) sinking fund, b) ordinary annuity, c) future value, d) present value e) amortization.

math
calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). \$ 400 balance, 15%, \$ 50 payment. A) previous balance ...

math
find the monthly payment fot the loan. \$ 500 loan for 12 months at 13%

math
calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). \$ 400 balance, 15%, \$ 50 payment. A) previous balance ...

Math
3) Bobby Ray brought 14 gallons of green punch to a St Patrick’s Day party. He wanted to fill each cup with 2/3 of punch. How many people got a cup of punch? _______________

us history
How did the Supreme Court rule on the Indian Removal Act? is it Jackson's order to move the Indians west was unconstitutional. or The Indian Removal Act was unconstitutional.

math
Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of \$42,500 with factory and dealer rebates of \$5,100 (a) Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the nearest cent.) \$ (b) Find ...

us history
plz someone give me the answer ive read m book over and over i cant find the answer to why is new orleans important

math
find the present value using the present value formula. Achieve \$ 225,500 at 8.65% compounded continusly for 8 years 155 days

math
The sum of the digits of a positive two-digit number is 13,If twice the first digit is 1 less than the second digit,what is the two-digit number ?

math
Ohhhhh that makes much more sense thank you so just p/8 or p/8=x ?

math
that makes sense so it would be 8/p then?

math
YOU MULTIPLY! right..?

math
so is it 8 times x? 8*x?

math
The perimeter of a regular octagon is p. write an expression that represents the length of one side of the octagon?

Math
The total amount would equal \$630. 100 x 5 = 500 10 x 13= 130 1 x 10= 10 ---- \$640

math
find the present value using the present value formula. Achieve \$ 225,500 at 8,95% compounded continuously for 8 years, 135 days.

Spanish
Answer the following question in Spanish..que pides muchas veces como Plato principal

Math
29.1

history
How mr andrew treat his workers

math
it is so hard

English
Is a suicide a solution for youth problems

Algebra
On a map 1/2 in=8 miles. What would the actual distance be if there 7 1/4 miles?

English
There is consonance, no alliteration

marketing
will you help me out with the answers?

marketing
When a local bank in Kansas City makes loans to its small business customers, it charges them an interest rate for borrowing money. Interest rates are part of the ____________ environment. a. cultural and social b. economic c. legal d. political e. competitive

marketing
The total profit approach to evaluating possible product-market strategic plans: a. is the best approach to use. b. cannot be used to compare possible plans unless they are very similar. c. may support a plan that is not the most profitable in the short run. d. requires only ...

marketing
Few people in Europe diet. So the same soft drink that PepsiCo sells in the U.S. under the brand name of Diet Pepsi is sold in England under the brand name of Pepsi MAX. This is an example of which part of the external market environment? a. Competitive b. Legal c. Cultural ...

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