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Posts by Anonymous

Total # Posts: 109,299

Math
Roy has a patio that covers 434 ft^2. He wants to increase his patio 196ft^2 by adding 4 feet to both the length and the width. The length of the original patio is three feet more than twice the width What is the length of the new patio?

physics
What is the energy of a photon of yellow light with a frequency of 5.14 × 1014 Hz?

physics
i did divide the answer in sec but the answer still wrong can you pls do it maybe I'm doing something wrong

physics
Work done by runner = F *d = mg * d = 70 kg * 9.8 m/s2 * (1576 steps * 0.2 m/step) Divide your answer by time in seconds to get power output in Watts. Look up conversion to horsepower.

Physics 30
an 1100 kg car accelerates from rest at 3.4 m/s2. if the horizontal force exetred on the wheels by the road is 5600 N, what force must be resisting the motion of the car? use a free body diagram to illustrate your answer

math
x=5

math
The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side than from the larger side of the rectangle. The perimeter of the rectangle is equal to 56 cm. Find the lengths of the sides of the rectangle.

maths
Root2+root3+root4+root6

Physics
An electric kettle rated accurately at 2.5kw is used to heat 3kg of water from 15% to boiling point it takes 9.5 minute. Then the amount of heat that has been lost is

Physics
none, F = mdV/dt = m a no a, no force

Math
If 1/6 cup of icing covers 2/3 of a cake, how much icing is needed to cover the entire cake? A. 1/9 B. 1/6 C. 1/4 D. 1/18

Physics
A boat travels at 15 m/s in a direction 45° east of north. The boat then turns and travels at 18 m/s in a direction 5° north of east. What is the magnitude of the boat’s resultant velocity? Round your answer to the nearest whole number. What is the direction of ...

Algebra 2
Switch your last two terms.

Algebra 2
Double check your second term.

Physics
A river is flowing at 3mps.A man can swim in still water at a speed of 6mps.The angle at which the bank at which the swimmer should start ,so that he may cross the river along the shortest distance is?

math-incomplete
Is the interest compounded, and if so, how often?

Pre-Calc
Find the values of e,a,b,and c for r=21/5-2costheta?

Math
On a number line, all points are marked that are 3 units away from ?2. Write this requirement using the absolute value sign.

Pre-Calc Trig
Create both a sine and cosine model for height of a passenger off of the ground for each of the following Ferris wheels. 1) customers must climb up 12 foot steps to get into the Ferris wheel (I.e) bottom of Ferris wheel is at the top of the steps Diameter 67ft Rotional speed 1...

Math
The perimeter of a triangle is 42 yards. The first side is 5 yards less than the second side, and the third side is 2 yards less than the first side. What is the length of each side?

Physics
A person with the weight of 691 N stands on a bathroom scale in a motionless elevator. The elevator begins to move and the scale momentarily changes to 499 N. (a) Draw a force diagram of the situation. (b) Create a qualitative vertical equation for this situation. (c) ...

Math
draw a diagram to represent 6 divided by 1/5

physics
a d'arsonval meter movement deflects to 0.8mA. what is the peak value of the alternating current if the instrument uses full-wave rectification?

physics
the current through a meter movement is 150 micro amperes. what is the dc value if the instrument uses half-wave rectification?

economics
When the price of paper increases from ?$150 to ?$157 per? ton, the quantity supplied increases from 200 to 210 tons per day. The price elasticity of supply is?

Calculus
After an hour of googling this as you suggested, I still can't find the discussions or proof you were referring to. Can you please either send the link you found or help me with this? I don't know how to even start it. Prove that the function defined by: f(x)={1 if x ...

math
An AP is given k,2k/3,k/3,0....calculate the sum of the first 30 terms

Calculus
Find the area of the region under the curve y=x+2 over the interval [1,4].

Math
A pyramid is a polyhedron for which the base is a polygon and all lateral faces are triangles.

Math
In what shape are the lateral faces of a pyramid?Please hurry!

Math
3 1/2 cans divided by 2 1/4 cans per wall = Number of walls she can paint

Economics
how would supply shift caused by lower costs of production affect price and quantity

science
Height of object is 1 cm placed at a distance of 15 cm from a concave mirror of focal length 10 cm. Find nature, size and position

Math
The perimeter of a triangle is 42 yards. The first side is 5 yards less than the second side, and the third side is 2 yards less than the first side. What is the length of each side?

physics and motion
The Grizwald’s have just chopped down a Christmas tree and have decided to pull it out of the woods on a sled over the snow. Clark has attached a rope to the sled and is pulling the tree/sled system (mass = 22 kg) with a force of 50.0 N at an angle of 32? above the ...

Algebra
If 3/5 is added to twice the reciprocal of a number , the result is 1. Find the number.

Math
A weather forecast states that there is a 20% probability of rain on each of the next 3 days. Describe a simulation you could perform using random numbers to find the experimental probability that it will not rain on any of the next 3 days. Would love explanation!

History
Those who replied no to certain questions in a loyalty questionnaire administered to internees were taken to Tule Lake and considered disloyal They were being punished for what they said Violation of Amendment 1? I think I am missing one but I am not sure. Because it says they...

History
Although most Japanese were pushined by being placed in internment camps they never were put on trial and were treated as automatically guilty of disloyalty to US Violation of Amendment 5 and 7? Is there another one iM missing

History
What is one way that Japanese Americans resisted internment

algebra
16L:28L what is the ratio of a fraction in simplest form with whole numbers in the numerator and denominator

History
Match each statement with the correct amendment. Some amendments will be violated more than once. Japanese who were suspected of spying sabotage or helping the enemy had their homes raided and had their things confiscated byt he FBI Amendment 3 and 4 Before the signing of ...

maths
In an arithmetical progression,the sum of the first five terms is 30,and the third term is equal to the sum of the first two.write down the first five terms of the progression.

Ethics
As a matter of fairness, should individuals be required to pay for health services on the basis of their actuarial risk of illness or, alternatively, on the basis of their ability to pay? help?

This isn't about school
the heck

Physics
Okay so if I found t=5.04 s, then all I need to do is use d=speed*time? d=550*5.04= 2772 meters or if I add an extra 5 meters: d=555*5.04=2792.2 meters Did I do that right?

Math
Determine the sign of the sum of -18+11

critical thinking
it could be unacceptable problems in language

critical thinking
In 2004 Z is having a conversation with his friend X and X’s wife Y. Y is a U.S. citizen and a ‘Bushy’ (a supporter of George W. Bush). She is planning on voting for Bush in the upcoming presidential election. Z and X (both are Canadian citizens, not Americans; ...

Chemistry
3w Go to chemteam - info / Thermochem / Calculate a Calorimeter Constant - html

critical thinking
We may observe, that there is no species of reasoning more common, more useful, and even necessary to human life, than that which is derived from the testimony of men, and the reports of eye-witnesses and spectators. This species of reasoning, perhaps, one may deny to be ...

Algebra 2
njjj

math
Given a+b=7 and a–b=3, find: 2^a·2^b 3^a÷3^b

math
If ab = 8 and a^2+b^2=16, then what is the value of (a+b)^2?

math
for the first one, isn't it supposed to be x= a^2x

math
Given that a­­^b = x, evaluate the following; a^(b+2) 2a^3b+a^2b+ab

Math - Calculus
So once I solve for c, how does that translate to f'(x)?

Math - Calculus
Given f"(x)=5x+2 and f'(-3)=3 and f(-3)=-6 find f'(x)= find f(3)=

Math
The area of the putting green at the golf course is 1,134 what will be the area of the putting green Theo constructs

math
Sorry that was me being an imposter

math
Ahh see now you're being nicer Ms. Sue.

social studies
1. Which modern, independent nation was founded through the leadership of a slave? *Belize *Mexico *Haiti****** *Cuba 2. What was the name of the criollo priest who helped begin Mexico's struggle for freedom in 1810? *Toussaint L'Ouverture *Simon Bolivar *Jose de San ...

Science
How many grams of potassium iodide crystals is needed to make 1M.

sam k.d
a charge 5mc is placed at a point. What is the work required to carry 1C of charge once round it in a circle of radius 12cm.

chemistry
Calcium is determined gravimetrically by precipitating it as CaC2O4â‹… H2O, followed by isolating the precipitate as CaCO3. The sample to be analyzed is dissolved in 10 mL of water and 15 mL of 6 M HCl. After dissolution, the resulting solution is heated 24 to ...

chemistry
Aluminum can be determined gravimetrically by precipitating as Al(OH)3 and isolating as Al2O3. A sample containing approximately 0.1 g of Al is dissolved in 200 mL of H2O and 5 g of NH4Cl and a few drops of methyl red indicator is added (methyl red is red at pH levels below 4 ...

critical thinking
It is highly conducive to the interests of the community that each individual should enjoy a liberty perfectly unlimited of expressing his sentiments I think this one is acceptable by observation. Am i right?

philosophy-critical thinking
Many people have reported encounters with ghosts. is this unacceptable by testimony?

Language arts
in rose pogonias which type of figurative language is found is line 6 and 7? A)symbol B)metophor C) personification D) simile

Math Help Please ASAP
Ms.Sue, "TheGrudyHippo" probably ran out of time and had to try and do it herself. It doesn't mean she blantantly ignored your answer, but she probably had to finish before going to bed or something of the sorts.

Ethics
What are the fundamental values of each of these health systems: The system In Mexico, the system in Canada, the system in the United Kingdom, and the system in the United States? I think it has to do with comparison of the healthcare systems in Canada and the United States is...

Math
The roof of a solar house is elevated by an angle of 50° at the front and by an angle of 40° at the back. Write an equation to determine the angle at the peak. Use <P. solve the equation

Math
I have a rope that is 3.6 meters long if I cut the rope into two pieces one piece is 1.925 meters long how long is the other piece of rope

math
Marcus wants to perdict the next student council president.He polls every fourth person from each grade level as they exit the cafeteria.In his poll, 65% chose Sophia.So, Marcus perdicts Sophia will win the election.what type of sample was taken

Algebra
A rectangles width is one half its length. If the diagonal equals 20 inches find the area

biology
Workout a cross between a homozygous tall pea plant with axial flower (TTAA) and a homozygous dwarf pea plant with terminal flower (ttaa) Note:(a)considering the table that provides and summarize the contrasting character of pea plant,(1)state the phenotype ratio of the F1 ...

economics
Is C what do you think non-profit means

Math, Algebra (fast help would be nice)
Strange that you can log in here and discuss things, but can't work up the smarts to use google. Just sayin' ...

physics
A 1100-kg elevator is lifted at a constant speed of 1.5 m/s through a height of 20 m. Part A How much work is done by the tension in the elevator cable? Express your answer to two significant figures and include appropriate units. Part B How much work is done by gravity?

Chemistry
How many moles of Fe(OH)2 will dissolve in 1.00L of water buffered at pH = 12.00? Fe(OH)2 has Ksp = 1.8 × 10^-15. How would I do this? Should I make an ice table? I know the pOH = 2.00.

algebra 1
The Olivares family forgot to fill up the gasoline tank of their minivan at the beginning of a long trip. After driving 120 miles, there were 10 gallons remaining in the tank. If their car used fuel at the rate of 1 gallon every 20 miles, which equation describes the number of...

Precal
start with tan x = sin x/cos x That by the way is not only the start but the end of it :)

urgent calculus help please
A 20m long ladder is leaning against a wall. The top of the ladder is sliding down the wall at a constant speed of 2m/s. How quickly is the bottom of the ladder moving away from the wall when the bottom of the ladder is 5m from the wall? Give your answer as an exact expression.

AP Physics 1
run far, run fast.

Calculus -math
The Perfect Pizza Parlour estimates the average daily cost per pizza, in dollars, to be c(x)=0.00025x^2 +8x +10/x, where x is the number of pizzas made in a day. A) Determine the total cost at a production level of 50 pizzas a day B) Determine the production level that would ...

english
What is the meaning of sqrt?

mechanics
In English premier league football match between arsenal and Manchester city club in the 2015/2016 season at the emirate stadium,sagna throws a ball going right at 15m/s towards Yaya toure and hits his chest.if Yaya toure's body exerted a force of 30N to the left for 0.25s...

mechanics
A 1200kg fuel tank is cruising at 15m/s and doesn't notice that the 800kg car right in front of it slowed down to 10m/s.the truck runs into the car in a collision that last for 0.25s.the tanker is going at 12m/s after the collision find(a)what force did the car exert on ...

Physics-Graivty
Suppose planet earth suddenly grew in size, so that its radius was twice as large as before. Also suppose that at the same time, its mass also doubled to twice its former mass. If you weight used to be 700 N, what is it on this "new" Earth. Describe why this is the ...

math
Use logarithmic differentiation to find y ? for the following function. x^3 = e^?4y4?9y

English
What's the answer

English
YES it is correct thx

philosophy-critical thinking
Read statements (a) through (d) and identify any statement(s) that is irrelevant to the claim. (a) It is unfair to expect victims to bear the cost of someone else’s negligence. (b) Costs to victims arise as a result of the action of the drunk driver. (c) A policy of ...

philosophy
then should it be unacceptable by testimony?

philosophy
1.Only claims that can be objectively verified can be trusted. 2.Many people have reported encounters with ghosts. 1. unacceptable; problems in language 2. acceptable by testimony I just want to confirm if these answers are right.

calculus
Find the derivative of (3x+17)^13 (14x+6)^11x^-4/5 / (20x +3)^-9 using logarithmic differentiation. Assume x > 0.

mechanics
I don't understand

mechanics
A ball of mass 0.75kg moving horizontally at 5m/s strikes a vertical wall and rebounds with a speed of 2m/s.find (a)what is the impulse received by the ball?(b)calculate the coefficient of restitution(c)calculate the kinetic energy of the ball before and after collision.

mechanics
A ball of mass 0.75kg moving horizontally at 5m/s strikes a vertical wall and rebounds with a speed of 2m/s.find (a)what is the impulse received by the ball?(b)calculate the coefficient of restitution(c)calculate the kinetic energy of the ball before and after collision.

physics
A 6000kg truck travelling north at 5m/s collides with a 4000kg truck moving west at 15m/s,if the two trucks remain locked together after collision,find (a)with what speed and in what direction do they move immediately after collision?(b)what is the lost of kinetic energy of ...

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