# Posts by daniel

Total # Posts: 1,104

**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.

**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 ...

**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

**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?

**Algebra**

Youre right its supposed to be (-10x^3+30x-20)÷(-5x+5)

**Algebra**

Solve (10x^3+30x-20)÷(-5x+5) 2x^2-2x+4 -2x^2-2x-4 -2x^2+2x+4 2x^2+2x-4

**maths**

128.6km

**Math**

I'm not sure but I think the answer is 3 2/10 L (16/5 L) per hour

**life orientation**

i need an answer

**Accounting**

Aunt Rhea Corporation Income Statement For the Year Ended December 31, 2015 Service Revenue $ 900,000 Operating Expenses 700,000 Net Income before Income Tax $ 200,000 Gain on Investment Sale 10,000 Net income Before Income Taxes $ 210,000 Income Tax Expense 90,000 Net Income...

**Chemistry**

Complete and balance these half-equations. Express as net ionic eqn. 1.) Cr2O7(2−) → Cr(3+) (acidic solution) So far, I have: Cr2O7(2−) + 14H + 6e(-) →2Cr(3+) + 7H20 2.) C2O4(2−) → CO2 (acidic solution) Not sure how to do this one. Thank you.

**math**

Sam has 9yellow pencils in his desk three fourth of his pencils are yellow how many pencils does sam have in his desk

**ratio and proportion**

Three villages share water from a water tank.The tank holds 3,600 gals of water. The villages used the following ratio 2:3:4. how many gallons does village b use? how many gallons does a and c use together? wahat is the difference on the amount used by c and b?

**division and remainder...error ws from my teacher not me**

1+2^2+3^3+4^4+.....+10^10 when is is divided by 5 what is the remainder!! show working,please have been trying that i could not,get it

**divison&remainder**

1^2+2^2+3^2+.......+10^10 when divide by 5 whats the remainder i made no typo that's the question i proff read

**remainder help!@steve and damon**

1^2+2^2+3^2+......+10^10 when it divided by 5 what the remainder???? even a hint can,t help me my head is fried have been do math alday just show me the working i beg!

**Science**

Thank you!

**Science**

is there a chart available that show the vapor pressure of Isopropyl alcohol and water solutions at 68 degrees F ?

**calculus!!!! help**

integrate:cosx+2/cosx+sinx

**calculus help!!!!! plz**

integrate:cosx+2/cosx+sinx?????

**maths**

find the encentricity,the foci and vertex and the equation of directrix and asymptote to the equation give the ellipse below 25x^2+4y^2-50x-16y-59=0

**maths help!!!**

the first four terms in the expansion of (1-x)^n are 1-6x+ax^2+bx^3.find the n and also the respective value for a and b

**physics**

compute the mass of the following assuming if it to be a sphere of radius 6370km

**maths**

integrate:cosx+2/cosx+sinx

**Chemistry**

The higher the vapor pressure rating the more quickly the solution will volatilize so the lower the boiling point. Conversely, the lower the rate the more slowly it evaporates so the boiling point is higher.

**math**

How to write a real world problem that compares the ratios 5to 9 and 12to 15

**physics**

The displacement of a particle is given by S = a+bt+ct^2. Deduce the dimensions of the constants,a,b,and c appearing in the question.

**Math Trigonometry**

A bus driver driving south along a highway is 16 km from the nearest city. After traveling a distance of 32 km, the driver finds he is 19 km away from the same city. Find the bearing of the town from the second position of the motorist.

**math 8th**

The scores on a test are found by adding and subtracting points as shown in table below. If Salazar's score on a 15 question test was 86 points,how many of his answers were correct, incorrect and blank. Answers Points correct +8 incorrect -4 blank -2 86 divided by 14 = +6...

**US History**

Why were yeoman farmers often called "the backbone of the South" in the period from 1820 to 1850? A) When government officials wanted to oversee how Southern land was cultivated, yeoman farmers challenged the idea. B)Yeoman farmers grew vegetables, raised animals, ...

**Physics**

1. A box is placed on the end of a 3 meter plank. One end of the plank is gradually raised and it is observed that the box begins to slide when the board reaches an angle of 25 degrees. a. Determine how long the box will take to reach the end of the plank if the coefficient of...

**Math**

Peter has 4 more $50 bills than $10 bills in his wallet. If the total amount of money in his wallet is $380, how many $10 bills does Peter have? I know the answer but I don't know how to set up the equation.

**PHYSICS ASAP PLEASE**

Do the m and 1/2 cancel each other out for the ground level question?

**PHYSICS ASAP PLEASE**

A pellet (20g) is launched horizontally off a cliff (20m high) from a spring-loaded gun. The spring has constan k=1800 N/m and is compressed 0.10m before launch. How much kinetic energy does the pellet have just before it hits the ground? How fast will the pellet be going just...

**Social Studies**

How did Jackson react to the Supreme Court's Worcester v. Georgia decision?

**Math just explain**

Using the quadratic formula we get x=(-3±sqrt(3^2-4*1*2))/2=(-3±1)/2 so x=-1 or x=-2.

**math**

Let the side be x and the height h. Then x^2+4xh=48 and h=(48-x^2)/(4x). Now we have an expression for the volume in x: V(x)=x^2h=x^2*(48-x^2)/(4x)=12x-x^3/4. Taking the derivative we get V'(x)=12-3/4x^2=0. The volume is maximal when V'(x)=0 so 12-3/4x^2 and the ...

**furthermaths**

The kth number kan be written a1+(k-1)d, d difference. The sum of the ten first is a1+a1+d+a1+2d+a1+3d+…+a1+9 and by looking at the a1 and d separately we get 10a1+(1+2+3+…+9)d=10a1+(9*10)/2=10a1+45d=60 using an arithmetic sum. Similarly, we get for the other sum ...

**math**

Use prime factorization: 144=12^2=3^2*2^4, 96=2^5*3 and 0.36=9/25=3^2/5^2 so 144x96/0.36=(3^2*2^4*2^5*3)/(3^2/5^2) and multiply by the reciprocal (3^2*2^4*2^5*3)*5^2/3^2=2^4*2^5*3*5^2=2^9*3*5^2=38400. Answer: 38400

**Math**

2/5*1/5 and 3/4*1/2.