Posts by jimmy

Total # Posts: 592

Math
A supeball is thrown off of a 200 foot building. Each time is hits the ground, it rebounds 75% of its height. What is its rebound after its 4th bounce?

Physics
hello?

Physics
Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.85 m, as depicted in the figure. Two of the spiders (S1 and S3) have +7.7 µC charge, while the other (S2) has −7.7 µC charge. a)What are the ...

Physics
Bees often work together for the greater good of the hive. Sometimes they can get excess charge on them. Four pairs of bees, which can be represented as identical, conducting spheres, bump into each other in the hive. Rank the bees in the order of the size of the magnitude of ...

physis
Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.85 m, as depicted in the figure. Two of the spiders (S1 and S3) have +7.7 µC charge, while the other (S2) has −7.7 µC charge. a)What are the ...

physis
so magnitude is (8.99E9*-7.7)/(.85)^2 ? im still confused on distance?

physis
Three spiders are resting on the vertices of a triangular web. The sides of the triangular web have a length of a = 0.85 m, as depicted in the figure. Two of the spiders (S1 and S3) have +7.7 µC charge, while the other (S2) has −7.7 µC charge. a)What are the ...

Physics
Suppose 2.7 centimeters of rain at 15 degrees Celsius falls on a rectangular field of dimensions 2.1 kilometers by 1.1 kilometers. The amount of energy released when water vapor condensed and cooled to form this rain is equivalent to how many Hiroshima-size atomic bombs? One ...

Physics
A Venturi flow meter is used to measure the the flow velocity of a water main. The water main has a diameter of 30.0 cm, and the constriction has a diameter of 10.0 cm. The two vertical pipes are open at the top, and the difference in water level between them is 3.0 m. Find ...

math

math
The cost of refreshments (in dollars) is a function, h, of the number of people served, n. If h(n)=100/9n, find the number of dollars it would cost for refreshments for 27 people.

physics
A satellite of mass 225 kg is launched from a site on Earth's equator into an orbit at 200 km above the surface of Earth. (The mass of the Earth is 5.98 1024 kg, and the radius of the Earth is 6.38 103 km.) (a) Assuming a circular orbit, what is the orbital period of this ...

english
need major help???

Pete Air wants to buy a used Jeep in 5 years. He estimates the Jeep will cost \$15,000. Assume Pete invests \$10,000 now at 12% interest compounded semiannually. Calculate the maturity value of the investment

Math
Ann has \$198 more than her sister. After her mom gives Ann \$20 and her sister \$60, Ann has twice as much money as her sister. How much money did Ann have at first?

Algebra - reposting - still need help / direction
yes, thank you soooo much!!!

Algebra - reposting - still need help / direction
the perimeter of a triangle is 25 inches. The first side is 6 inches longer than the second side. The third side is 5 inches shorter than twice the second side. Find the length of each side

thank you, can you please help direct me with my other question posted earlier today? Much appreciated.

an equilateral triangle has a side of length 2x-3. Its perimeter is 51 inches, find the length of each side

Algebra
the perimeter of a triangle is 25 inches. The first side is 6 inches longer than the second side. The third side is 5 inches shorter than twice the second side. Find the length of each side

algebra

health
2. Rene Dubos defined health as "a quality of life"...on the part of the individual and is associated with the Medical Models of Health. Is this true or false?

health
Is it true that societal health determinants are predicated on policy?

math
I am outside the path (6,9,4,10) I am the differance or 2 other numbers outside the path.I am greater than 5 (numbers inside the path 3,10,8,6)What number am I

math
I am inside the path (7,6,9,3) I am the differance of 2 numbers outside the path (6,7,8,5) What number am I

physics
A 33-kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, her kinetic energy decreases to 195 J from 425 J. How high does she rise during this interval? Neglect air resistance.

phi 103
A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that political candidates can receive. However, a survey of candidates running for mayor, governor, and senate seats shows that not one of them favors the bill. ...

calculus
The demand for your hand-made skateboards, in weekly sales, is q=-5p+600 if the selling price is \$p. You are prepared to supply q=5p-400 per week at the price \$p. What price should you sell your skateboards for so that there is neither a shortage nor a surplus? Someone please ...

Algebra
The three interior angles in a triangle are x ∘ , (2x+24)∘ and (3x+48)∘ . What is the value of x ?

Algebra
Suppose that x and y are positive real numbers satisfying x^2 +y^2 =4xy . Then x−y/x+y can be written as ãa/b, where a and b are coprime positive integers. Find a+b .

Geometry
How many positive integers less than 10^20 have all their digits the same?

physics
jimmy jimmy

writing
i will go and help ma

english
ok i just need a good devolved hyperbole (a big exageration)

english
yeah i guess the first one. -_-

english
whats being compared in the second metaphor?

english
which is a better metaphor. when tom came out of the shower, he was cleaner then a bar of soap or when sarah was reading her book, she was glued to it. if one of them is right, try to fix up the sentence because my teacher said that those sentences are improper and then write ...

english
now a good alliteration

english
can you give me a developed simile and metaphor please.

Question 1–2 correspond to "Fireproofing the Forests." Question 3 corresponds to "Missing!" 1. What is the main reason to consider thinning forests? (1 point) (1 pt) to control damage from wildfires (0 pts) to cut down more trees (0 pts) to make room ...

NSU
Evaluate (if possible) the function at the given values of the independent variable. Simplify the results. (If an answer is undefined, enter UNDEFINED.) f(x)=sin x f(pi)= f(5pi/4) f(fpi/30

physics
thank you guys,you helped a lot :)

physics
An Otto engine has a maximum efficiency of 33.1 %; find the compression ratio. Assume that the gas is diatomic.

physics
thanks :)

physics
A heat pump has a coefficient of performance of 4.5. If the heat pump absorbs 46.1 cal of heat from the cold outdoors in each cycle, what is the amount of heat expelled to the warm indoors? (in cal) tried everything but got nothing.

math
A number has 2 digits. The digit in the tens place is 4 times bigger than the digit in the ones place. If the product of the digits is 16, what is the number ?

calculus
as an answer i used x as the width of the rectange (and diameter of the half circle)and used h as the height of the rectangle. i got the answer of x=.409155 and h= 25.4741. how did i do?

calculus
Oh, i apologize if this gives the impression I want you to solve it for me. I would just like to know where to start this from, then I can take it from there.

calculus
I really hate to dump a problem like this on the teachers here, but I really need to get an answer to this. Thank you and I'm sorry. A Norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. Find the dimensions of a Norman ...

Chemistry
Thanks a lot.

Chemistry
Using Dimensional Analysis, how many moles of sodium is 32.5 g of sodium? Could you please tell me the steps on how to solve this I am stumped.

Calculus
what is the differential of (217)^1/2

English
I have completed 24 classes all by myself in Ashworth. I have a deadline for December 8, 2012 to finish. I was sick in he hospital for the past 6 months. All I need is that to graduate

English

ib english
I need help writing an essay on the hysteria and how it relates to the red scare communism hysteria.

Calculus
find the point on the graph of the function that is closest to the given point: f(x)=(x+1)^2 (5,3)

1. What steps in meiosis are similar to steps of mitosis? (1 point) (0 pts) meiosis I prophase (0 pts) meiosis I anaphase (0 pts) meiosis I metaphase (1 pt) all of the above 1 /1 point 2. A cell that has two of every kind of chromosome is _____. (1 point) (0 pts) haploid (1 pt...

physics
How high will an object rise if it is projected upward at a 45 degree angle and an initial velocity of 50 m/s?

physics
How high will an object rise if it is projected upward at a 45 degree angle and an initial velocity of 50 m/s?

Physical Science
A river does 6,500 J of work on a water wheel every second. The wheel’s efficiency is 12%. a. How much work in joules can the axle of the wheel do? b. What is the power output of the wheel in 1 s?

Math
Which Statements of congruence are true and which are false and why? 177 _= 17 (mod 8) 871 _= 713 (mod 29) 1322 _= 5294 (mod 12) 5141 _= 8353 (mod 11) 13944 _= 8919 (mod 13) 67 x 73 _= 1 x 3 (mod 5) 17 x 18 x 19 x 20 _= 4! (mod 8) 83 (144 power) _= 15 (144 power) (mod 17) ...

math
Which Statements of congruence are true and which are false and why? 177 _= 17 (mod 8) 871 _= 713 (mod 29) 1322 _= 5294 (mod 12) 5141 _= 8353 (mod 11) 13944 _= 8919 (mod 13) 67 x 73 _= 1 x 3 (mod 5) 17 x 18 x 19 x 20 _= 4! (mod 8) 83 (144 power) _= 15 (144 power) (mod 17) ...

math
Susan is 5 years older than her sister jennifer the sum of their ages is 51 write and equation and find the ages of both sisters

Math
Which Statements of congruence are true and which are false and why? 177 _= 17 (mod 8) 871 _= 713 (mod 29) 1322 _= 5294 (mod 12) 5141 _= 8353 (mod 11) 13944 _= 8919 (mod 13) 67 x 73 _= 1 x 3 (mod 5) 17 x 18 x 19 x 20 _= 4! (mod 8) 83 (144 power) _= 15 (144 power) (mod 17) ...

Math
How many integers between 200 and 500 inclusive leave a remainder 1 when divided by 7 and a remainder 3 when divided by 4? Find the smallest positive integer that leaves a remainder 5 when divided by 7, a remainder 6 when divided by 11, and a remainder 4 when divided by 13.

Math
Which Statements of congruence are true and which are false and why? 177 _= 17 871 _= 713 1322 _= 5294 5141 _= 8353 13944 _= 8919 67 x 73 _= 1 x 3 17 x 18 x 19 x 20 _= 4! 83 (144 power) _= 15 (144 power) Their not equals signs...they are three lines on top of one another.

Northwest H.S
Physics: A car is parked on an icy hill inclined at 10°, when it begins to slide. What is the car's speed at the bottom of the 155-m hill?:

math
Let s be the sum of ten consecutive integers and let p be their product. Explain why the units digit of P-S must be 5.

math
Brandon is reading a book Flatland and notices that the product of the numbers of the two pages his book is open to has a units digit of 6. What is the units digits of the sum of the two pages numbers?

Math
The number 57,733 contains two sets of digits in which one digit is ten times as great as the other. What are the values of the digits in each set?

Math
In the number 7,725 which places contains digits where one digit is ten times greater as the other?

1: cold fronts 2: cloudy weather 3: warm front 4: all of the above 5: heights Took the same test

math
Sarah is making poster by hand to advertise her school play, but her posters are not the same length as a standand sheet of paper (the width is the same, though). She has three and a half sheets of paper left over, which she says is enough to make two and one third posters. ...

Ap Chemistry
Re has two natural occuring isotopes 185 Re and 187 Re with an average atomic mass of 186.207 amu. Re is 62.60% 187Re and the atomic mass of 187Re is 186.956 amu. What is the mass of 185 Re

math
wendy is thinking of a 7-digit number the digit in the hundred thousands place is twice in the tens place .the digit in the millions place.which could be wend's number

physics
A 0.330 kg bar is placed on a pair of frictionless rails separated by a distance of 1.60 m and located on an inclined plane that makes an angle of 29.0° with respect to the ground. The total resistance of the circuit remains at a constant 1.8 Ω and a uniform magnetic ...

culture diversity
I don't understand,What are the differences between lineages, clans, moieties, and phratries are all types of decent groups.

A&P
If your metabolic consumption of oxygen is 1500ml/min, what is the P02 of venous blood?

Chem
If your metabolic consumption of oxygen is 1500ml/min, what is the P02 of venous blood?

writing
There are... ;)

statistics
Assume that women's heights are normally distributed with a mean=63.6 in. and standard deviation = 2.5 in. a) To be eligible for the US Marine Corps, a woman must have a height between 58 in. and 73 in. Find the percentage of women who satisfy that requirement. b)If the ...

statistics
this is to mathmate...this is jimmy and you answered by questions on random sample and probability (better business bureau question)..i greatly appreciate your help but i do not understand part b and d answers..i am totally lost on this whole question

statistics
The Better Businesss Bureau reports that they resolve 70% of the consumer complaints they receive. a) if a random sample of 5 consumer complaints is selected, what is the probability that all 5 were resolved? b)if a random sample of 5 consumer complaints is selected, what is ...

algebra1
subtract: 7-z/z-5 - 4z-9/5-z

English
Someone please help me! I know it long but I need help. ASAP. What's the answer! Discuess whether either party was justified in his/her behavior. What are the effects of benevolent lies, silence, equivocation, or hinting, as alternatives to disclosing what could be hurtful...

speech
Oh okay sorry about that. I did not know. Well he is the story then. Is misleading your spouse fraud or tact? When their marriage of more than a decade in divorce, Anaheim banker Ronald Askew sued his ex-wife for fraud because she admittedly concealed that fact that she has ...

speech
Read "is misleading your spouse fraud or tact?" In looking out looking in 13th edition(p.329). Discuess whether either party was justified in his/her behavior. What are the effects of benevolent lies, silence, equivocation, or hinting, as alternatives to disclosing ...

Algebra
Could you help explain how T can put the number of pipes over the time to solve this?? I'm afraid I don't understand.

Algebra
There is a water tank with a drain of an unknown size that is always open. There is a series of input pipes above it which are all the same size. When 4 pipes are on, it takes 6 hours to fill. When 3 pipes are on, it takes 10 hours to fill. How many pipes would it take to fill...

Physical Sicence
1.0 gram of glass will rise 20.0°C when _____ calories of heat are applied.

Physics
I think your solution tells us when the spring moves 18 cm, not 9 cm. Thank you, though. This was really useful.

Physics
In turns out that for b), instead of using (.27^2 -0.09^2), we have to use (.27^2-0.18^2).

Physics
A 0.53-kg mass is attached to a horizontal spring with k = 106 N/m. The mass slides across a frictionless surface. The spring is stretched 27 cm from equilibrium, and then the mass is released from rest. (a) Find the mechanical energy of the system. (b) Find the speed of the ...

algebra 1

Chemistry
1s2 2s2 2p6 3s2 3p5 - To get to +7 the chlorine atom loses its seven valence electrons, but it only has room for one more in the p sublevel to get to –1.

English 2

Chemistry questions
thank you Bob!

Chemistry questions
1) Calculate the mass of NaHCO3 required to generate 50mL of CO2, at 1 atm. pressure and 25*C. Do I need to use PV=nRT? where for n it will be both my n's from C and O2 together? 2) Solubility of CO2 in water at 25* is 0.145g in 100mL. Assuming the solubility of CO2 is the...

math
P = a + b + c Where P is perimeter a, b and c are all 3 sides

physics
you need more information than that, at least a mass or an acceleration because Newton's second law: F=ma

1. Pages:
2. <<Prev
3. 1
4. 2
5. 3
6. 4
7. 5
8. 6
9. Next>>

Post a New Question