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Posts by Seth

Total # Posts: 201

Chemistry
For the reaction C + 2H2 -> CH4 How many grams of hydrogen are required to produce 145 grams of methane, CH4

math
what is the probability of selecting two S's if the first card is not replaced before selecting the second card in the word Massachusetts

Trig
When the angle of elevation of the sun is 61°?, a telephone pole that is tilted at an angle of 8° directly away from the sun casts a shadow 20 feet long. Determine the length of the pole to the nearest foot. I'm stuck halfway through this problem, I know how to ...

Chemistry
Consider an alloy that is 14.1% copper by mass in tin. Copper makes up what percentage of the atoms in this sample?

Gedeon
You find a sales receipt from a store that shows the total price as $40, and the total amount paid including sales tax as $42. a. Write an equation you can use to find the sales tax rate r.

Spanish
I have some reading responses questions and answers to the play “La dama del alba”, I was hoping someone could edit my answers. The first answer is a paragraph summary of the first ten pages. The other questions are just short answer. I mostly want to make sure that ...

Spanish
Thank you so much for the help! It is the story where the father is carrying Ignacio!

Spanish
Hello, Can someone please help me edit the answers to my reading response questions for grammatical correctness. It would be greatly appreciated! 1. ¿Cuál es el ambiente de este cuento? --Answer below: El ambiente de este cuento es de una el camino a Tonaya. .:2...

Chemistry
Calculate partial pressure given ka1, pH and KH The equation given in the question was: HCO3-(aq)+H3O+(aq)= CO2(aq)+H2O Calculate the partial pressure of CO2. I think you use : [H3O+] = ka1x(antilog pH)/(antilog pH) Then Henrys law: Equilibrium conc.[G]=Kh(law constant) ×...

Math Question
Can anyone explain to me how to graph a circle if it has a square root radius? Example: x^2+y^2-7x=12-4y The radius is ?113/2, but I don't know how to graph it.

vocab help
1. discretion 2. scrupulous 3. dexterous 4. facetious 5. vicarious 6. detriment 7. ostentatious 8. gregarious 9. optimum 10. sensory am i correct or wrong on some?

vocab help
words - detriment, dexterous, discretion, facetious, gregarious, optimum, ostentatious, scrupulous, sensory, and vicarious. "you have to be use __ in choosing your friends," my father said."If your associates are dishonest, people will think that you yourself ...

advancing vocabulary skills third edition
i need help on sentence check 2 and final check chapter 1

hhs
Instructions:Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. Match each set of vertices with the type of quadrilateral they form. Tiles A(2, 0), B(3, 2), C(6, 3), D(5, 1) a parallelogram with nonperpendicular adjacent sides A(3, 3), B(3, 6), C(7...

Math Geometry
Polygon ABCD is similar to polygon WXYZ, and and are corresponding sides. You know the perimeter of each polygon, and you know the measure of BC. What can you find? A. Measure of all sides of both polygons B. Measure of <A and <W C. Area of each polygon D. Measure of XY

Science Check answers
they would be reverse

chemistry
at some temperature, Keq=33 for the reaction H2 + I2 -> 2HI. If initially, [H2]= .0600 M and [I2]= .0300 M, what are all three equilibrium concentrations?

Pre algebra
Sara bikes 4/5 km in 2 min. Write and simplify a unit rate that represents the distance sara bikes in 1 min.

Engineering
The density of gasoline is 0.72 grams per cubic centimeter. What is the mass in units of kilograms of a 5-gallon container filled completely with gasoline? Ignore the mass of the container.

engineering
Awesome! Thank you so much.

engineering
In many engineering uses, the value of �g�, the acceleration due to gravity, is taken as a constant. However, g is actually dependent upon the distance from the center of the Earth. A more accurate expression for g is: g=g0(Re/Re+A)^2 Here, g0 is the ...

Science
Thanks!

Science
Hypotheses can be rejected or supported by experiments, or, in some instances, new observations. i think it's true

Science
the possibilities are what they claim might have been what her main hypothesis might have been based on. Since fishes need water and their natural habitat for survival, im guessing the answer was the first option to represent her hypothesis.

Science
Consider the researcher's experiments on the mysterious die-offs of fish in North Carolina rivers. Which of the following best represents her main hypothesis? Question 8 options: Fish maintained in laboratory environments were dying when exposed to river water. Microscopic...

calculas
An unfenced rectangular plot of land with an area of 15000 square feet is to be split up into two rectangular gardens. Find the minimum amount of fencing required to define and separate these two gardens? Where do I begin? I just want to know how to set up the equation to ...

Math
A plane leaves an airport and flies South 58 Degrees East for 2 hours, then changes course to South 43 Degrees West and flies for 3 hours. How far away is the plane from the airport if it keeps a constant speed of 500km/h? Draw a diagram and solve to the nearest km. I got 1636...

joint heirs college, Fola agoro, shomolu Lagos.
Identify the solid remaining when lithium trioxonitrate v is heated

Chemistry
A goal of the acid-base titration in this scenario is to determine the concentration of sodium hydroxide solution. To do this, a 1.3000 g sample of potassium hydrogen phthalate (KHC8H4O4) is massed out. The KHP has one acid proton (H+). The solid is dissolved in a beaker and 2...

History
desert

PHysics
This is online homework. This is all the information given with Part B asking the speed of the swimmer.

PHysics
An athlete crosses a 21 m wide river by swimming perpendicular to the water current at a speed of 1.1 m/s relative to the water. How fast is the water in the river flowing with respect to the ground in m/s?

Calculus
f'(x)>0

Art
second one is B just took the test so the Answers are A,B,D

Math
Translate the sentence into an inequality. Six increased by the product of a number and 10 is at most −16 . Use the variable x for the unknown number.

geometry
Find the perimeter and area of the figure 12inches and 5inches

Calculus
1) An equation of the line contains points (7/9, 7) and (-7/9) is 2) Find the slope of the line tangent to the curve y=x^2 at the point (-0.6, 0.36) and find the corresponding equation of the tangent line

Algebra
It takes 15 men working steadily 4 days to dig the foundation for a new apartment. How many days would it have taken 25 men working at the same rate to dig the foundation? Express your answer as a decimal to the nearest tenth.

Finite Math
Let A and B be two events in a sample space S such that P(A) = 0.5, P(B) = 0.6, and P(A intersection B) = 0.15. Find the probabilities below. Hint: (A intersection Bc) union (A intersection B) = A. (a) P(A|Bc) ________ (b) P(B|Ac) ________

Finite Math
A box contains two defective Christmas tree lights that have been inadvertently mixed with eight nondefective lights. If the lights are selected one at a time without replacement and tested until both defective lights are found, what is the probability that both defective ...

intermediate math
angie and payton jog of opposite each other and angie can jog 4.5 mile faster than payton. after 1.5 hours they are 17 miles apart. how much can each person jog

chemistry
When you put it in Lon-Capa do not capitalize the first letter.

Algebra
f(t) 30000 1+20e^-1.5(t)

Algebra
F(t)= 30000/1+20e^-1.5t Describes the number of people, f(t), who have become ill with influenza t weeks after the initial outbreak in a town with 30,000 inhabitants. a.) How many people became ill with flu when the epidemic began? b.) How many people were ill by the end of ...

Algebra
Medical research indicates that the risk of having a car accident increases exponentially as the concentration of alcohol in the blood increases. The risk is modeled by R=6e^12.77x Where x is the blood alcohol concentration and R, given as a percent, is the risk of having a ...

algebra
Solve the following: 3ln(4x)=17

algebra
solve: log base of 7 (3x+2)=5

Math
How does 26.666 equal 26.2? Could you show me a model of how to do this? Thank You

Mah
what are the anwesers to 3, 4, 6 and 10? please.

Math
A shark swam 30 meters to a boat in 16 seconds. How long did it take to swim each meter? 16/30 or 8/15 seconds?

Math
Can you show me the formula used for the following question - how can 7 kids share 3 liters of soda equally?

algebra
I need help solving 8 = 3x + 6y for y. Thank you!

algebra
How do I find the perimeter of a square with one side listed as 4x + 3 and one more side listed as 3(2x - 5)? Thank you

math
On a 9-hour trip home from winter break, Mary was forced to drive on a stretch of highway that had a lot of construction. At first she had to go 55 miles per hour for a certain amount of time, but then she was able to go 65 miles per hour for the rest of the trip and in total ...

C++
what are the simplest methods to understand C++ programming language?

Math
The area of a trapezium is 360 in2. If the ratio of the bases to the height is 6:10:5, find the dimensions of the trapezium.

Math
A 20 foot ladder is leaning against a building. If the ratio of the base of the ladder's distance from the building to its top's height from the ground id 3:4, find how high the top of the ladder is from the ground.

Math
The area of a yard is 15000. If the ratio of the length to the width to the depth is 4:2:1, what are the dimensions of the pool?

Physics
A yo-yo with an axle diameter of 2.00cm has a 80.0cm length of string wrapped around it many times in such a way that the string completely covers the surface of its axle, but there are no double layers of string. The outermost portion of the yo-yo is 4.00 {\rm cm} from the ...

Physics
How much mechanical energy was lost during the ball's fall?

Math~Polynomials
Number Five is three!!

Math
John cut an apple pie into 6 equal slices. His friends ate some of the pie and now 3/5 is left. John wants to put each slice of the leftover pie on its own plate. What part of the pie will he put on each plate?

Math Help please
You complain that the hot tub in your hotel suite is not enough. The hotel tells they will increase the temperature by 10% each hour. If the current temperature of the hot tub is 75 degrees Fahrenheit, what will be the temperature of the hot tub after three hours to the ...

Physics
A heat engine does 650 J of work and dumps 1270 J of heat to its cold reservoir. What is its efficiency?

Maths
Solve for the value of x: 6log(x^2+1)-x=0

Please help! Maths
For what value of K will the equation 3x^2- 4x-(1+K)= 0 have equal roots?

Please Reiny Solve it For me Again! please......
6log(x^2+1)-x=0

Please Reiny Solve it For me Again! please......
Solve for the value of x: log5(x-2)+log8(x-4)=Log6(x-1)..For your information that 5,8 and 6 are bases not just multipliers. Thank you.

Please solve
Solve and graph: y>2x-1

Please Help work it out! LOGARITHM
log4(3x-7)^2=10. I have no idea in working it out.

Please Help!!!! Maths
X^2-6X+1=(3X+5)/2

Please Help work it out! Maths
1/(X-2)=3/(X+2)-(6X/(X^2-4)

Please Help work it out! Maths
(2x-1)/(x+1)=2X/(X-1)+ (5/X)

Maths
Find the value of x: (2x-1)/(x+1)=2x/(x-1)-(5/x)

Please solve it for me!! Please...Maths
x^2-6x+1=(3x+5)/2

Please solve it for me!! Please...Maths
Solve for the value of x: 6log(x^2+1)-x=0

Please help me work it out!!! Maths
solve for x: ln(x^2-6x-16)=5

Please help me here!!! Maths
Solve for the value of x: ln(x^2-6x-16)=5. Please help me work it out because I do not have an idea in work it out.

Please help me here!!! Maths
Isolve for x: ln(x^2-6x-16)= 0 . help me beacuse I do not have the idea to work it out.

Please help me!!!! maths
Solve for x: log5(x-2)+log8(x-4) = log6(x-1). I do not have any idea on this topic.

Help!!!! math
An hiking group wanted to travel a long chapter of the Appalachian Trail for 4 days. They planned to hike 6 hours per day and wanted to complete a trail chapter that was 60 miles long. what rate of speed would they have to average to complete the trail chapter as planned?

Please solve it.Logarithm
Please help me because I do not any idea in Logarithm topic.Solve for the value of X: 6log(x^2+1)=5

maths
For the following graph: a. Find the domain of f. b. Find the range of f. c. Find the x-intercepts. d. Find the y-intercept. e. Find the intervals over which f is increasing. f. Find the intervals over which f is decreasing. g. Find the intervals over which f is constant. h. ...

economics
The country of Arkanslavia had money supplies of 183 million arkollars in 2010 and 644 million in 2011. They have real output of 791 arkollars in both years. In Arkanslavia velocity was 7 in 2010 but changed to 5 in 2011. What is the difference in the price level between 2011 ...

Physics: Buoyancy
A crane lifts the 23000 kg steel hull of a ship out of the water. Determine the following. (a) the tension in the crane's cable when the hull is submerged in the water

Physics: Buoyancy
A crane lifts the 23000 kg steel hull of a ship out of the water. Determine the following. (a) the tension in the crane's cable when the hull is submerged in the water

S.S. Check answers
thank you

Ella Minnow Pea
Sorry im 4 years late

HEALTH
I swear every question you have on Ashworth, you come here for help Lol

health
Me too! Go Ashworth! the answer is B

geometry
LM has the endpoints L(-1,1) and M(-5,-3) find the coordinates of the midpoint of LM

math
Suppose that $200 was deposited on 1st Jan 2000 into an account that earned 5% interest compounded semiannually. Suppose further that $200 was deposited on 1st Jan 2001 into a different account that earned 6% interest compounded semiannually. In what month of what year will ...

math
Since it didn't ask for an improper fraction or mixed number and that is what we are studying I came up with 40/8 as the improper and 5 for the mixed?

math
A shipment of boxes weighs 40 pounds. There are 8 boxes and each weighs the same number of pounds. How much does each box weigh?

Biology
Explain what happens during each of the three steps of cellular respiration and explain why a lack of oxygen is such a severe problem to the process.

Biology
Using the fundamentals of thermodynamics, explain why we must continue to eat in order to maintain homeostasis?

Physics
A 400-g block of copper at a temperature of 85°C is dropped into 300 g of water at 33°C. The water is contained in a 250-g glass container. What is the final temperature of the mixture?

calculus
A force of 1300 lb compresses a spring from its natural length of 16 in to a length of 10 in. How much work is done in compressing it from 10 in to 6 in?

calculus
find the work done in winding up a 175 ft cable that weighs 4.00 lb/ft?

Chemistry
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