Posts by Daniel

Total # Posts: 1,153

science
an elephant of mass 50kg stands with all four feet on the ground. each foot has an area of 0.2m^2calculate the pressure exerted on the ground.[g=10m/s^2]

SCOTT HELP Biology question pH
the answer in the book says a change by 2 is 1000? is a change by 2 = 100 and the book answer is wrong.

Biology question pH
pH levels are each a 10-fold change so a change by 2 is actually a change by 1000. pH determines certain characteristics in organisms that allow them to live in certain areas so an alteration in pH changes their adaption skills. why is a change by 2 = 1000? what would a change...

John
solve the quadratic equation 2x^4-3x^3-7x^2 12x-4=0

John
solve the quadratic equation 4x^3-20x^3+13x+12=0

NHD Project
I was wondering if anyone would help me revise my history day thesis paragraph before I turn it in. The subject is on Pearl Harbor and relates to conflict and compromise. Japan, Germany, and Italy wanted to expand their empires vastly territorially. This created feuds between ...

American Government
Representing the state in lawsuits and trials is the responsibility of which state official? A. attorney general B. treasurer C. governor D. secretary of state

American Government
The city council of Smallton has just chosen a new chief administrator. She will carry out the policies of the council and hire department heads. If the council is not pleased with her work, it has the ability to dismiss her at any time. Which form of city government does ...

History
Thank you for your help!

History
I meant D

History
Which accurately describes the involvement of the Catholic church in medieval European government? A. the rules and rituals of the church guided the administration of government in Europe. B. The Catholic Church forced European Kings to adopt the governmental practices of the ...

Trigonometry
a boy standing 70m away from a flag–post observes that the angles of elevation of the top and bottom of the tower on top the flag–post are 70^ and 69^ respectively. Find the height of the tower

Texas History
Explain how the fall of the Alamo and the Goliad Massacre both helped and hurt the Texans` quest for independence in the Texas Revolution. PLZ HALP

6th Grade Science check please
it is i do this stuff

Bob Pursley PLEASE HELP
I went to see the teacher today and she said it was prediction - I had a test later today and answered with prediction the exact same question that was on the quiz was asked on the test. is it possible the teacher is correct

Bobpursley science biology quick question
the teacher marked the answer key with prediction.

science biology quick question
When applying the process of science, which is tested? A question B a result C an observation D a prediction E a hypothesis I know is D or E can you help me understand why D or E is the better choice?

Algebra 2 A
A candy store makes a 9-pound mixture of gummy candy, jelly beans, and hard candy. The cost of gummy candy is $2.00 per pound, jelly beans cost $3.00 per pound, and hard candy costs $3.00 per pound. The mixture calls for two times as many gummy candy pieces as jelly beans. The...

Algebra 2 A
What is the minimum value for z=3x-1/2y over the feasibility region defined by the constraints? a.-4 b.-5 c.-3 d.-6 constraints x greater than or equal to 0 y less than or equal to 8 y greater than or equal to x y greater than or equal to -1/2x+6

Algebra 2 A
What is the minimum value for z=3x-1/2y over the feasibility region defined by the constraints? a.-4 b.-5 c.-3 d.-6 constraints x greater than or equal to 0 y less than or equal to 8 y greater than or equal to x y greater than or equal to -1/2x+6

Algebra 2 A
A candy store makes a 9-pound mixture of gummy candy, jelly beans, and hard candy. The cost of gummy candy is $2.00 per pound, jelly beans cost $3.00 per pound, and hard candy costs $3.00 per pound. The mixture calls for two times as many gummy candy pieces as jelly beans. The...

Algebra 2 A
Yep thanks.

Algebra 2 A
26.00+3.25x=24.00+3.50. The Answer is 8!

Algebra 2 A
A jet ski company charges a flat fee of $26.00 plus $3.25 per hour to rent a jet ski. Another company charges a fee of $24.00 plus $3.50 per hour to rent the same jet ski. Using a graphing calculator, find the number of hours for which the costs are the same. Round your answer...

Chemistry
If 0.525 g of Fe2O3 and xH2O are heated and 0.400 g of Fe2O3 are obtained, what is the value of x?

math
Wut is 40cm long

Science
b

Maths
An 8 x 8 x 8 hollow cube is constructed from 1 x 1 x 1 cubes so that its six walls are 1 cube thick. The number of 1 x 1 x 1 cubes needed to make the hollow cube is A.169 B.296 C.298 D.384

Math
Plss help (3b-4a)(3b-4a)

visual basic
Write a visual basic program to calculate total pay of employee who get an additional pay of 10% to their basic salary if they worked for more than 10years for the company

Math
Solve for x under the assumption that x>0. Enter your answer in interval notion using grouping symbols. X-48/x<-8

Physics
A roller coaster car is loaded with passengers and has a mass of 500 kg along with a speed of 18 meters/second at the dip. The radius of curvature of the track at the bottom point of the dip is 12 meters (gravity = 9.8 meters/second2). What force is exerted on the roller ...

English
"Over the recent years, the use of illicit drugs has increased though, through prohibition of drugs and reformation and implantation of new drug policies, drug related predicaments may be mitigated." Does this sound better?

English
THANK you Writeacher

English
I wrote two thesis statements, which one is good. Which one should I use for my essay. 1) Over the recent years, the use of illicit drugs has increased to some extent with the rise of drug legalization campaigns, though, with reformation and implantation of new drug policies, ...

Economics
The fixed cost of producing five units of a particular commodity is given as #900 while the total cost of producing the same five units of this commodity is #1000.the marginal cost of the 6th unit produced later is #200.calculate the average variable cost for the production of...

Algebra
Can you guys help me solve this problem I dont know why I cant get it. Thanks. Solve for x. (26000-x)2813.95 + x(314.73)=26000(640.2)

Math
just look up the problem and you will know what i'm talking about. ):

Math
this is*

Math
ms. sue are you religious i what to link you this it cool do you have a skype?

Math
if i could link you it i would

Math
that's y I am confused

Math
there is more than one answer

Math
^^

Math
"Although $1.00 + $0.10 does equal $1.10, if you take $1.00 – $0.10 you get $0.90, but the problem requires that the bat costs $1 more than the ball. So, the ball must cost $0.05, and the bat must cost $1.05 since $1.05 + $0.05 = $1.10"

Math
wait no y am i right i dont get y it is 5 please explain

Math
If a baseball and bat cost $110, and the bat costs $100 more than the ball, how much does the ball cost? I don't get it i say it's 10 but its not its 5 YYYYYYYYY

Math
Amanda increase the amount of protein she eats every day from 48 g to 54 g. By what percentage did amanda increase the amount of protein she eats?

Algebra
In 4 years time John will be half of the father's age his father will be 33 next year, how old will John be

Algebra
John will be half of the father's age his father will be 33 next year, how old will John be

english
_____ describes the life cycle of a star.

Science
If a bowling ball with a mass of 2.75kg. travels 27 meters in 7.6 seconds , how fast is it traveling?

Geometry
I scored 5616 on my Geometry scantron but that number is to large to make any sense. Is that a good or a bad score. I'm in 9th Grade.

math
Idk

Inter Agric Science
Explain the effect of carbonation, hydrotion,hydrlosis and oxidation

Physics
An empty bottle weighs 20 grams and 60 grams when filled completely with water.What would the bottle weigh when filled completely with mercury. [pw=1.0gcm^-3,pm=1.6gcm^-3]

Math
There will be 240 seats on the lawn for graduation. Show all the ways you can make equal rows of chairs if there are at least 5 rows.

math
the sides of a triangle are consecutive integers.If its perimeter is 126cm.find the lengths of the sides.

PHYSICS (PLEASE HELP ME ASAP)
At a temperature of 18.0°C of 23.0cm^3 of a certain gas occupies has pressure of 103 kPa. (a) What volume would the gas occupy at a temperature of 0.00°C and pressure of 101kPa? (b) 1.00 moles of a certain gas occupies a volume of 22.4 litres at 0.00°C and 101325 ...

Math
If the diameter of a circle is 42cm;what is its radius. Show the formula and the calculation

Computer Science (please help )
Prove that if A is any language over the alphabet {0}, then A* is regular.

Chemistry
The equilibrium constant, K, for the following reaction is 1.54×10-2 at 506 K: PCl5(g) PCl3(g) + Cl2(g) An equilibrium mixture of the three gases in a 15.7 L container at 506 K contains 0.207 M PCl5, 5.64×10-2 M PCl3 and 5.64×10-2 M Cl2. What will be the ...

Economics(Help)
Nancy is indifferent between a gamble that pays $625 with a probability of 20% and $100 with a probability of 80%, versus a sure payment of $269. She is also indifferent between another gamble that pays $269 with a probability of 50% and $10 with a probability of 50%, versus a...

PHYSICS PLEASE HELP ME
Deadline's gone babe.

PHYSICS PLEASE HELP ME
Damon, the problem I am trying to solve is explaining it. I don't understand how I'm meant to provide such a detailed explanation as most of the method makes up the description of the answer?

PHYSICS PLEASE HELP ME
Consider a solid ball of mass m = 50g and is placed on a long flat slope that makes an angle of 30° to the horizontal. The ball was initially at rest and was then released such that it rolled down the slope without slipping. With a detailed explanation of your method ...

Mathss
Calculate the area of the following triangles, giving your answers to 2 decimal places: (a) The right-angled triangle with sides a=16, b=63, and c=65. (b) The triangle with angle ? = 40° and adjacent sides b=10 and c=20.

physics
Henry, the problem I am trying to solve here is the explanation part. How am I meant to provide such a detailed explanation when the majority of the methods make up the decription of the answer?

Math.
Each boksheld in the library holds 82. There are 24 full bookshelves in the library. How many books are in library.

Microeconomics
LTC=2q-2q^2+q^3 Demand p=100-q Determine the long run equilibrium Price Representative firm's output(q) Industry output q and number of firm's in the industry

Physics
Suppose that a cars x-acceleration during a certain time period is given by the function a(t) = -bt. If the cars x-velocity at t=0 is 32m/s, and b=1m/s^2, how long will it take the car to come to rest.

math
Daniel is now six times as old as Mabel in twelve years time Daniel will be two times as old as Mabel .how old are they

Finance
The first thing to do is to use the fisher rule, which implies: (1+R)= (1+r)*(1+h); h being inflation. So, (1+0.09939)= (1+r)* (1+0.032) (1+r)= (1.09939)/(1.032) r= 1- 1.0653= 6.53% Take you Financial calculator and put the following order: I/Y= 6.53 N=43 FV= 2,000,000 PV=0 ...

physis
(1) A solid weight 0.04 Newton in air and 0.024 newton when fully immersed in liquid of density 300 kilogram per metre cube.What is the volume of the solid? (2)The density of a body is 5*10^3 kilogram per metre cube and it weights 1 newton in air and.Calculate the apparent ...

Physics
a twin engine plane flies due south with an air speed of 335km/h. There is a wind blowing at 75km/h to the east relatve to the ground. what are the plane's speed and direction relative to the ground

Math
a family budgets 1/2 of its income for housing and 1/3 for food what fraction of their budget do these expenses cover

Math
the towns highway department marks a new road with reflective markers the road is 6 3/4 miles in length the markers are spaced every length 1/8 of a mile. What is an expression that can be used

Marya
Ali has a smooth convex utility function. He is optimizing. The price of x changes, and it has no effect on his consumption of y. Is this possible? Show in diagram why or why not.

Economics
Here is the Question again : Joe is a rational Squirrel with the utility function( u = 4n^0.5 + b ) . If Joe is currently consuming 64 nuts and 10 berries, what is the largest number of berries he would be willing to give up in exchange for 17 additional nuts?

Economics
If Joe is currently consuming 64 nuts and 10 berries, what is the largest number of berries he would be willing to give up in exchange for 17 additional nuts?

Set Theory
Let the Universal Set, S, have 136 elements. A and B are subsets of S. Set A contains 34 elements and Set B contains 98 elements. If Sets A and B have 22 elements in common, how many elements are in A but not in B?

Loan
Thanks Steve

History
Why was the act of toleration enacted? A To ensure African Americans could Maintain their own religious practices B To provide freedom of religion for the Jews C To retain a separation between the church and state D To safeguard freedom of worship to Catholics who founded ...

American government
Yes! It is. Thank you so much.

American government
Is that correct

math
100

physics
What is the resultant displacement when a ship sail 200km north and then 150km west

math
Which of the following is not one of the three ways to express a ratio

math
Which of the following is not one ways to express a ratio

American government
It is thank you so much!

American government
Is this even right?

math
Which of the following is not one of the three ways to expree a ratio 3-4 3:4 3 of 4 3to 4

English
Change into passive - I have been registering scores like that.

math
Solve 2 + 2 sin θ = 3 cos^2 θ. Give the general solution and then give solutions in [−π, π] How do i solve for theta?

maths
The temperature in a town was 24 degrees at midday. The temperature rose by 5 degrees to reach a maximum at 2pm and the dropped 17 degrees before midnight. what was the temperature at midnight?

Math
Solve the equation X + 24 = 36; x =

physics
A car on the bridge weighs 2oooN and is 6m away from one of the bridge piers and 4m from the other. How much force does each pier exert to support the car? Pivot point is the weight of the car on the bridge.

Math
A cylindrical water tank is 70cm in diameter to begin with it is full of water a leak starts in the bottom so that it looses 10 litres every 1 hour how long will it take for the water level to fall by 20cm.

Walk to moons
So what's the answer?

math
a plumber charges $25 for service call plus $50 per hour what is the cost 8 hours? What is 10 hours?

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