Friday
August 1, 2014

Posts by matt


Total # Posts: 1,730

physics
A ball is thrown horizontally from the top of a building 30.1 m high. The ball strikes the ground at a point 66.8 m from the base of the building. The acceleration of gravity is 9.8 m/s2 . Find the time the ball is in motion. Answer in units of s

physics
A ball is thrown horizontally from the top of a building 30.1 m high. The ball strikes the ground at a point 66.8 m from the base of the building. The acceleration of gravity is 9.8 m/s2 . Find the time the ball is in motion. Answer in units of s

physics
A long jumper leaves the ground at an angle of 22.1◦ to the horizontal and at a speed of 10 m/s. How far does he jump? The acceleration due to gravity is 9.8 m/s2 . Answer in units of m

Physics
rpm= 34.68

physics
The fastest recorded pitch in Major League Baseball was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally, the ball would fall 0.809 m (2.65 ft) by the time it reached home plate, 18.3 m (60 ft) away. The acceleration of gravity is 9.81 m/s2 . How fast was R...

physics
During a baseball game, a batter hits a pop- up to a fielder 78 m away. The acceleration of gravity is 9.8 m/s2 . If the ball remains in the air for 5.8 s, how high does it rise?

Finance
Consider the following two securities X and Y X y Return- 20.0% Return- 10.0% Standard Deviation- 20.0% Standard Dev 30% Beta- 1.50 Beta- 1.0 Risk-free asset Return- 5.0% Using the data from the table, what is the portfolio expected return and the portfolio beta if you invest ...

Finance
Nico Trading corporation is considering issuing long-term debt. The debt would have a 30 year maturity an a 10 percent coupon rate. In order to sell the issue, the bonds must be underpriced at a discount of 5 percent of face value. In addition, the firm would have to pay flota...

Finance
____ in the beta coefficient normally causes____ in the required return and therefore ____ in the price of the stock, all else remaining the same. A. An increase, an increase, an increase B. An increase, a decrease, an increase C. An increase, an increase, an decrease D. A dec...

Finance
Company- Ford Coupon-11.0 Maturity-July 31,2009 Last Price-65.50 Last Yield- ? EST Spread- 104 Est UST- 10 VOL.-5,100 Based on the table, what is the last yield for this bond?

chemistry
thank you!

chemistry
How many milligrams of magnesium palmitate will precipitate from 965ml of this solution when it is cooled from 50C to 25C? For Mg(C16H21O2)2, Ksp= 4.8x10(-12) at 50C and 3.3x10(-12) at 25C.

Chemistry
An experiment was done to determine the formula and formation constant of a metal ammine. The data were graphed giving a straight line plot with an equation of y = -5.9484x - 11.447. What is the correct forumla for this metal amine? M(NH3)6+ M(NH3)5+ M(NH3)4+ M(NH3)2+

Organic chem 2
Hello, I am having some trouble trying to reduce a benzene ring with a H3C-C=N-NH2 substituent, to a cyclohexane with the same substituent. The ring is attached to the carbon that is double bonded with the nitrogen. Apparently the hydrogenation, H2/1000psi with ru/rh at 100C, ...

science
Mercury is a heavy metal. Using atomic models and the periodic table of elements, explain why it belongs to this category of elements

physics
A compact disc spins at 2.8 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 3.1 cm from the CD's center. (a) What is the coefficient of friction between the ant and the CD? I dont understand how ...

physics
A 5kg box on a horizontal plane has a coefficient of kinetic energy of 0.2. The object is pulled on horizontally with a rope at 2 m/s^2. With 9.8m/s^2 gravitational force, what is the tension on the rope?

physics
Stickman is driving a dragster. He does the quarter mile in 4 seconds and at the finish line is speed is 100m/s. He deploys his parachute after he crosses the finish line and wished to slow to a speed of 10m/s in 10s. What diameter parachute does he need if the drag force is e...

chemistry
It takes 75 mL of 0.124 M KOH to neutralize 28.5 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in moles/liter.

math
how do i find the answer to this expression 1.4 over 5.5 subtract 4.9 over 2.0

math
how do i find the answer to this expression 1.4 over 5.5 subtract 4.9 over 2.0

math
A model of a brdge is 1m long and 2.5% of the actual size of the bridge. How long is the actual bridge?

Algebra II
Right now we're doing systems of Linear Equations in Three Variables. It says to solve the following system: x - y + 3z = 4 x + 2y - z = -3 4x + 3y + 2z = -5 Whatever I try with this problem (and the others like it) it comes out wrong. I've had about one success. And I...

Math
1. Evaluate the indefinite integral ([6x^2 + 12x^(3/2) +4x+9]/sqrt x)dx. Answer = + C 2. Evaluate the indefinite integral (12sin x+4tan x)dx. Answer = + C 3. Evaluate the indefinite integral. (x^7)e^(x^8)dx. Answer = + C Thank you for helping.

physical science
which of the following statements correctly describes the substance with the formula KI?

Algebra II
Evaluate: ƒ(2) + 5 It says to use this graph to solve the equation: h t t p://i55 . t i n y p i c . com/2qdvfur.jpg Right now we're on Algebra and Composition with Functions. I have no idea what I'm supposed to do, and there are no instructions for any of these pr...

Physics
A small source of light is located at a distance from a vertical wall. An opaque object with a height of moves toward the wall with constant velocity of magnitude . At time , the object is located at the source .

math
The answer should be 75 gray sweatshirts using the method that JJ explained.

calculus
show that if a, b & c are in v3, then (a cross b) dot [(b cross c)×(c cross a)] = [a dot (b cross c)]^2

problem solving
in a soccer tournament there are 22 entries. the tourney is single mathc elimination. that is 2 soccer teams compete at the same time and the loser is elimnated. how many games will be played to deterenmine chanmpioneship?

ALGEBRA PLS HELP
IS ANYONE AVAILABLE TO HELP TO SEE IF I DID THESE 5 PROBLMES OK?

ALGEBRA PLS HELP
CAN YOU CHECK IF IM RIGHT? |-2 +5 | ANSWER 7 |5| +4 ANSWER: 9 |-5| +4 ANSWER : 9 |5+2| ANSWER : 7 |3-7| ANSWER : -4

English
number 2 is c

algebra
1 |-2+5| 2 |5| +4 3 |-5| +4 4 |5+2| 5 |3 - 7| here are my answers: 1) 3 2) 9 3) 1 4) 7 5) 4

algebra
1) 3 2) 9 3) 1 4) 7 5) 4

algebra
fine each absolute value 5 quesitons: |-2+5| |5| +4 |-5| +4 |5+2| |3 - 7|

Algebra 2
6x=9y-21. 6y=4x+14 plz help...I can't figure out how to do this problem using linear equations with two variables

science
i need to make a taxonomic key for fruite apple orange strawberry banana can you help me with that

chippewa
FIND the ESTIMATE: 1) A RARE TRUFFLE ONCE SOLD FO $13.20 FOR A 0.44 OZ CAN. APPROXIMATELY HOW MUCH WOULD 1LB OF THIS TRUFFLE COST?

math solution
1200000*0.075*5+1200000

math solution
1200000*0.075*5+1200000

math
Angelo is paid double time for each hour he works over 40 hours in a week. Last week he worked 42 hours and earned $660. What is his normal hourly rate?

math
Scientists have calculated that the Moon's revolution around Earth is increasing by about .015 s per century. At this rate, how long would it take the length of a month to increase by one full day?

7th grade math
A diver dives from a platform with a height of 11m. What is the change in elevation if the depth of the dive is 4m?

Algebra
Sorry I forgot to put that the depth of the dive qas 4m. Somehow you need to figure out how to use the 11m and 4m in an equation.

Algebra
A diver dives from a platform with a height of 11 meters. What is the change in elevation of the dive?

Algebra
Adiver divies from a platform with a height of 11 meters. What is the change in elevation of the dive?

Geometery
thank you but how do you know the answer is d and not c?

Geometery
A circular region rotated 360 degrees around its diameter (serving as an axis) generates a a) cube b) rectangle c) cone d) sphere

AP Chemistry
I got 1054.9 as my answer. I reversed the first eq and did (1/K1^(1/2)) added it to reverse of second eq (1/K2) then added that to the 3rd eq times 2 (K3^2). This got me the right equation. Do I just multiply the new Kc values together to get the final Kc of the new equation?

AP Chemistry
Given: 2N2(g) +O(2) --> 2N2O(g) Kc =1.2x10^(-35) N2O4(g) --> 2NO2(g) Kc = 4.6x10^(-3) 1/2N2(g) + O2(g) --> NO2(g) Kc= 4.1x10^(-9) Calculate Kc for the reaction between one mole of dinitrogen oxide gas and oxygen gas to give nitrogen tetroxide gas.

statistics
You want to estimate the mean of a population within + 3 with 90 % confidence If the population standard deviation is  = 8, how large of a sample is needed?

History
Can some one help me with these questions? Because Japan was hit by the worldwide economic depression in the 1930s, military leaders were able to gain power. Question 1 answers True False Question 2 text Question 2 After Japan withdrew from the League of Nations they aligned t...

history
What is the basic message of the Quran and when was it compiled.

History
How long did the roman civilization last?

chemistry
the temperature of a 20.0g sample of a metal(specific heat .03 J/g-C) is raised by 20C. How much heat has been absorbed by the metal?

Physics
I am having trouble with the last portion of this question. If someone can help me, I would sincerely appreciate it. A bicycle wheel has a radius R = 32.0 cm and a mass M = 1.82 kg which you may assume to be concentrated on the outside radius. A resistive force f = 147 N (due ...

Physics
I am having trouble with the last portion of this question. If someone can help me, I would sincerely appreciate it. A bicycle wheel has a radius R = 32.0 cm and a mass M = 1.82 kg which you may assume to be concentrated on the outside radius. A resistive force f = 147 N (due ...

Algebra II
Give the equations of any vertical asymptotes for the graphs of the rational functions. f(x)=(x-4)/(x²+7)

Math
Simplify: (4 - 5i)(3 + 2i)

algebra II
Simplify (-3i)^2

Math
The sum of the degree measures of the angles of a quadrilateral is 360. Find the measure of the fourth angle of each quadrilateral given the degree measures of the other three angles. 4x+12, 8x - 10, 6x+5

chemistry
25 x 0.2 = 5 5/1000= 0.005 moles

Algebra
you start a pet sitting service. you spend $35 on advertising. You plan to change $5 on a day to watch each pet. a) write an equation to relate your daily income y to the number of pets x you watch. b) how many days do you need to watch a pet to pay for advertising?

physics
A mass is suspended on a spring scale. The scale shows a reading of 5N and stretches a distance of 0.2 meters from its relaxed length. 1)What is the spring constant of the scale? )If this scale was taken to a planet that has a mass 4 times larger than the earth and a radius 4 ...

Physics
A cessna plane flies with a speed of 150km/h relative to the air and points due east. A wind is blowing at a speed of 20km/h at 45 degrees south of east (ie the wind is blowing from the northwest). The resultant veloity of the plane relative to the ground is?

Physics
While peforming a concert , Queen plays at average intensity levels of 2 W/m^2. Then during a sudden loud part of the music, the amplitude of the sound waves , initially A1 increases by a factor of 5. By how many decibels does the sound level increase?

human resources
How does human resources help or hinder bussinessses

Finance
If you need help on a full paper..google termpapergurus..theyll help you out for sure!

Accounting
what exactly are we you asking for in this? are you asking for the journal entries?

eco
Suppose a person pays $80 of annual interest on a loan that has a 5 percent annual interest rate. The loan amount is: A. $400. B. $1,600. C. $160. D. $85. 10. Suppose a loan customer is considering two alternative $22,000 loans. Loan 1 requires payment of $1,100 of interest ea...

chem.
metals and non-metals

algebra
A pack of Jillybeans contains seven different flavors: Apricot, Banana, Coconut, Date, Eggplant, Fig and Grape. You can make each flavor indivdually or come up with some crazy combinations. How many flavor combinations are possible with these seven flavors alone or mixed?

science
what is the process by which cells divide? please help thanks

Anatomy
A person needs to stop, rest, and take in enough oxygen to complete the catabolism of lactic acid and relieve the muscle?

Anatomy
For Muscles to work, they need a stimulus from a ____________ nerve and a source of energy that is ___________, is also known as __________.

Physics
A conduction heat wave is caused to pass through a metal bar of average temperature Tmean = 38.0 ¢XC, altering its temperature sinusoidally with an amplitude of Ti = 3.00 ¢XC. The equation which gives the temperature, T(x,t), of the metal bar at any place x (in meter...

Statistics
The value of the correlation coefficient can be between 0 and 1.

vibration
a uniform cantilever beam of the total mass ml has a concentrated mass M at its free end. determine the effective mass of the beam to be added to M assuming the deflection to be that of a massless beam with a concentrated force at the end, and write the equation for its fundam...

geometry
Find the area of: A square with radius 9. (Please explain how you found it! Thanks!)

geometry
Find the area: A rectangle with length 12 inscribed in a circle with radius 7.5 (explain how you do it please! Thanks!)

algebra
Word problems confuse me. THe owner of a fancy food shoppe wants to mix cashews selling at $8/kg and pecans selling at $7/kg. How many kg of each kind of nuts should be mixted to get 8 kg worth $7.25/kg?

math
I GOT IT ITS 3

math
x^3 - 3x^2 + x Substitute 3 for x so i got 3^3 - 3(3)^2 + 3 27 - 3 - 9 + 3 24 - 9 + 3 15 + 3 18 Is this correct ??????????//

calculus
Let f be a differentiable function such that f(3) = 2 and f'(3) = 5. If the tangent line to the graph of f at x = 3 is used to find an approximation to a zero of f, that approximation is? So confused

algebra
need formula shaded rectangle with circle in middle. shaded area outside 3ft by 5ft.

business
Currently, jobs at the Pelham plant are broken into small individual steps, and a worker is assigned to perform each step in an effort to achieve task efficiency. This technique is known as job:

science
How many grams of glucose (180g/mole) would be needed to make 100ml of a 1.5 M solution?

Chemistry
How do I calculate the solubility of a compound in grams of solute per 100 grams of solution?

algebra
How many different seven digit phone numbers are available if the only restriction is that the first digit cannot be 0.

Algebra
Guess the 4-digit combination. An X stands for a correct digit in its correct place in the combination and an O stands for a correct digit out of its corect order. 8256 OX Two of the four digits 8,2,5,6 appear in the final combination(one in the position given(for example 6 mi...

Science
Hi, I asked this question earlier, but didn't get any replies. If anybody could help, it would be extremely appreciated! A 225 kg box is loaded onto a truck by pulling it up an inclined plane (10 m hypotenuse difference) by a force that is parallel to the incline (T = 315 ...

Physics
A 225 kg box is loaded onto a truck by pulling it up an inclined plane (10 m hypotenuse difference) by a force that is parallel to the incline (T = 315 N). If the bed of the truck is 1.2 m above the ground what is the efficiency of this simple machine in loading the box into t...

MATLAB
Find the value of x (to 2 decimal places) when y is a minimum, using a while loop. Format the answer, e.g., "At x=ii.ii, y=jj.jj is a minimum". Plot the function. y = x^2 - 4x + 2

physics
You look up and see a helicopter pass directly overhead: 3.10-s later you hear the sound of the engines. If the air temperature is 23.0°C, How high was the helicopter flying?

Algebra
What is the positive difference in the sum of the letters in the words MATH and COUNTS, if each letter is assigned a value as follows: A=1, B=-2, C=3, D=-4,..., Y=25, Z=-26?

math
Provide an example of an arithmetic series which totals zero. Using complete sentences, explain how you created the example.

math
When finding the sum of the arithmetic sequence 4 + 1 + –2 + –5 + –8 + –11, you will have a step of work that contains the number –3. Use complete sentences to describe how the –3 was calculated and what it means.

math
What is the common difference of a 43–term arithmetic sequence where the first term is –13 and the sum is 9,374?

math
What is the sum of the arithmetic sequence 22, 13, 4 … if there are 28 terms?

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