Thursday
July 31, 2014

Posts by angela


Total # Posts: 1,354

geometry
Construct a truth table for (q^p)____> ~ p, Be sure to include all intermediate steps in your table.

geometry
construct a truth table for (p^~q) arrow p

geometry
let p,q,and r be the following statements p:Jamie is on the train. Q: Sylvia is at the park. r: Nigel is in the car. Translate the followins statement into english (~q^r) arrow ~p

geometry
let p represent a true statement, while q and r represent false statements, find the truth value of the compound statement ~[(p^q)^r]

geometry
let p represent the statement, JIm plays football," and let q represent " Micheal plays football." Convert the compound statement into symbols.

geometry
convert the compound statements into words p= babies eat bananas q= babies do not sleep through the night ~(P arrow q)

statistics
Urn I and Urn II each have 2 red chips and 2 white chips. Two chips are drawn simultaneously from each urn. Let X1 be the number of red chips in the first sample and X2 the number of red chips in the second sample. Find the pdf of X1 + X2

geometry
a recreation has the following dimensions. 15ft,33ft, 12ft, and 12ft. Carpeting will cost $ 1.50 per square foot. How many square feet of carpet will be needed and how much will it cost. Include correct units in each solution.

geometry
find the perimeter and area of a right triangle if the shortest side is 20m and the longest side is 29m. Include correct units with your solution.

english
what would the tone of this poem be? serious? Foundations Leopold Staff I built on the sand And it tumbled down, I built on a rock And it tumbled down. Now when I build, I shall begin With the smoke from the chimney

Algebra
Solve the equation and check the solution: -4(t+7)-(t+6)=10 the solution t is:

geometry
find the supplementary angle of the given angle 148.7

Geometry
The surface area of a cone is 55 pie cm squared. The radius is 5 cm. What is the slant height?

English
1. A major difference between today’s Hispanic and past European immigrants is that— (1 point) for Hispanics, the old country is only two hours away. European immigrants were all light-skinned. Hispanics are willing to take jobs Americans don’t want. European im...

Math rates
Idk

math 120
what is answer for A = 90[1.00375)-1/0.00375

Statistics
Describe how the confidence intervals will change depending on whether the population standard deviation is known or unknown

Statistics
For this assignment you are to imagine that you are part of a select marketing group. This select group has been asked to consider the Colorado City Convention and Visitors Bureau survey of 25 hotels in the local area. The survey is concerned with the current availability of r...

Ashford
find the x- intercepts and y intercepts of the function f (x)=2x-8

Algebra/Steve???
The solution is x^2-6x+9=0? In ax^2 + bx + c =0 form? Can you explain please?

Algebra/Steve
LOVE YA

Algebra
Write a quadratic equation in the variable X. Write in standard form: ax^2+bx+c=0 using 3 as the only solution. Cheers!

Simple & Compounding Interest
sierra deposits $500 into a new savings account that earns 5% interest compounded annually. if sierra makes an additional deposits or withdrawals, how many years will it take for the amount in her account to double?

Math
What is the area of a decagon with a side length of 4cm?

Physics
Thank you

Physics
waves propagate down a 25gram string at 35 m/s. If the string has a length 1.5 meters, what iss the magnitude of the tension acting along it? i am stuck on how to figure this one out any help would be appriciated.

Finances
Oops. I meant; How do you do a time series regression?

Finances
Hoe do you do time series regression?

College Physics
A 42-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 220 J from 460 J. How high does she rise during this interval? Neglect air resistance. Just wondering how to solve this.

College Physics
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 43.5 km/s and 54.0 km/s. The slower planet's orbital period is 6.53 years. (a) What is the mass of the star? (b) What i...

College Physics
A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 28.2 ° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 46.7 kg, and the coefficient of kinetic frictio...

College Physics
A 45.7-g golf ball is driven from the tee with an initial speed of 46.0 m/s and rises to a height of 25.9 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 6.82 m below its highest point?

College Physics
A 42-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 220 J from 460 J. How high does she rise during this interval? Neglect air resistance. The quarter is over but I am still trying to ...

physics
what is sqrt??

Physics
A person heats a can of soup on a stove. If he does 250 Joules of work ON the soup by stirring it as the burner adds 1675 Joules of heat, what is the change in its internal enegry? I did 250- 1675 because the work done On something is negative. can you tell me if thats right.

HELP! College Physics
A skateboarder shoots off a ramp with a velocity of 6.7 m/s, directed at an angle of 59° above the horizontal. The end of the ramp is 1.1 m above the ground. Let the x axis be parallel to the ground, the +y direction be vertically upward, and take as the origin the point o...

history
Which of the following is associated with the development of chain stores? A. R. H. Macy B. John Wanamaker C. Marshall Field D. F. W. Woolworth I think its d is that correct

math
I am not a teacher, but want to be one, and you don't have to believe my answer. I am a student that really loves math and it comes easy to me. rectangular pizza is larger by 155.44 in. rectangular is the better buy If each pizza has one inch of crust on the edges. rectang...

College Physics Help
Not sure how to apply the principle of conservation of mechanical energy.

College Physics Help
A thin rod (length = 1.10 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. The mass of the rod may be ignored, compared to the mass of the object fixed to the top of the rod. The rod, starting from rest, tips over and rotat...

College Physics
Never mind - I figured it out. Thanks for your help!

College Physics
Thank you! You answer is correct. My calculator is giving me 0.00345. I am not sure why. Do you think that it could be a setting that I need to change?

College Physics
Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.1x10-8m, and a tangential speed at the rim of 2.0x10-5 m/s. (a) What is the angular speed (the magnitude of the angular veloci...

math
my answer is 18 what is yours

math
if 6 balls is 2/3s of aet how many in the whole set?

Collision in One Dimension
vf = (m1 v1i + m2 v2i) / (m1 + m2) = (57*2.2+77*4.5)/(57+77) =3.5 m/s

Collision in One Dimension
After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.2 m/s. Miranda runs after her at a velocity of +4.5 m/s and hops on the inner tube. How fast do the two of them slide across the snow together on t...

Conservation if Linear Momentum
Figured it out! (V impact)^2/(2*g) V impact = (F ground*t)/m =6.07 m

Conservation if Linear Momentum
A student (m = 66 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. From w...

math
what is the lowest common denominator of 2/32 plus 4/28

College Physic I
A student (m = 66 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. From w...

College Physic I
Thank you so much!

College Physic I
A space probe is traveling in outer space with a momentum that has a magnitude of 4.99 x 107 kg·m/s. A retrorocket is fired to slow down the probe. It applies a force to the probe that has a magnitude of 1.87 x 106 N and a direction opposite to the probe's motion. I...

physics
a hot air balloon is hovering at an altitude of 6000 meters. The pilot decides that it is time to descend and turns off the balloon's burners.Once the balloon reaches the ground, the gas inside the balloon occupies 980 m cubed and is at atmospheric pressure. If the pressu...

physics
a hydraulic jack is used to move an 8896 newton car. if the area of the output piston is 8 times that of the input piston, how much input force is required to lift the car. i did Pi * 8 them multiplied that answer * 8896 then divided that answer times 8896. i dont think that i...

College: HCA/220 Week 3 DQ 2
i need help getting real fusteriated

Chemistry
I am having trouble too: If the heat from burning 6.000 g of C6H6 2C6H6(l) + 15O2(g) -> 12CO2(g) + 6H2O(l) + 6542 kJ is added to 5691 g of water at 21 °C, what is the final temperature of the water? Please tell me what I am doing wrong: 293,551= 5691*4.2*(Tf-21C) 293551...

Chemistry
Thank you so much!!! That helped me too!

english
This sentence keep showing up as a error in it. Could you please find the mistake and fix it for me. To obtain a position as an Administrative Assistant which I can use my knowledge and experiences toward the growth of this company.

math
A corporation borrowed $124,000 cash by signing a 5-year, 10% installment note requiring equal annual payments each December 31 of $32,711. What journal entry would the issuer record for the first payment?

physics
a dog escapes from his front yard a 3:15pm and is discovered 3.5 miles from home at 4:50pm. What is the dog's average speed in mph. how do you solve this i am lost

Maths
A farmer wishes to plant 6 trees in 4 rows so that each row contains 3 trees. How can this be done?

Managerial Accounting
Greetings, I just started my accounting class and I do not have any accounting experience of knowledge (my first acct class). Could you please help me out. I just need the traditional and ABC direct, indirect, and unallocated cost answer for the two accounting systems. You hav...

Math
As many as three instructors are hired for a martial arts class each week. 4:1 student-to-instructor ratio is considered ideal. Find the maximum number of students at each of these classes.

physics
how do you calculate acceleration if the values are the same at t=2 seconds and t= 4 seconds.

physics
if a cart is released from rest and it takes 28 seconds to travel down a 10 meter incline what would be the average speed of the cart

history
one distinction you couldn't overlook when critically evaluating the information provided about the boston tea party

chemistry
A certain substance has a heat vaporization of 47.97 kJ/mol. At what Kelvin temperature will the vapor pressure be 7.50 times higher than it was at 297K? Please help me! I don't understand heat vaporization questions

physics
I CAN'T GET THE RIGHT ANSWER :( A 0.230 kg block on a vertical spring with spring constant of 4.25 multiplied by 103 N/m is pushed downward, compressing the spring 0.048 m. When released, the block leaves the spring and travels upward vertically. How high does it rise abov...

algebra
Find the domain of the function g(x)=3/10-7x

algebra
-9-12(2-3y)= -25-2(y+6)

algebra
write the slope intercept euation for the line with slope -1/2 and y intercept (0,3) and graph the line.

algebra
write the slope intercept equation for the line that passes through (-5,10)and (-4,3)

ALGEBRA
what is -9y-12(2-3y)= -25-2(y+6)

Chemistry-help
0.5g of Solid A is dissolved in 1L solvent to give a concentration of concentration 0.5g/L. UV absorbance spectrum was collected. How to calculate the absorptivity on the dried basis?

ALGEBRA
determine if (-1/3,3) is a solution to 3x+8y=23

math/117
FOIL (8x^8-9)(x^9-5)

Math
Multiply (b+1/3)(b+1/5)

math/117
Which one is the answer? 3 or 2.54?

math/117
Jack usually mowes his lawn in 7 hours. Marilyn can mow the same yard in 4 hours. How musch time would it take for them to mow the lawn together?

algebra
write the equation for this situation the population, p, in thousands,can be approximated by the sum of 4 and one-half times the years since 1985,d. Then graph the equation and use the graph to determine the population in the town in 1995.

algebra
37.051 is 55.3% of what number.

algebra
Is x=6 a solution to -2x-4=-8 I think that it is yes.

marketing
Explain the importance of an organized new-product development process and illustrate how it might be used for (a) a new hair care product, (b) a new children’s toy, and (c) a new subscribers-only cable television channel.

English- Due Soon
Please check for any errors and correct them. Thank You. The word Divorce can make a lot of people feel hurt, angry, and depressed. But for others, it can mean the end to a bad or abusive marriage. Many people do not like to talk about it, but it can put a huge strain on kids&...

algebra
what is the volume of a sphere with radius r is given by the formula v=4/3 r^3 Find the volume of sphere with radius 4 meters. use 3.14 for the value of x and round your answer to the nearest tenth.

Chemistry
What is the molecular geometry (shape) if you have 3 single bonds and 1 lone pair around the central atom?

English- Due @ 8
Ok Sra were those the only errors that you founded?

English- Due @ 8
Please chech for any errors and let me know if I need to change please correct it for me. Obesity is one of the major causes of health problems in the United States. According to Charles Schmidt, obesity is starting to catch up with smoking, which is causing illness and death ...

algebra
Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr???? algebra - PsyDAG, Sunday, November 13, 2011 at 1:38am Assuming it does move 5 pi, convert 5 * 3.1416 = 15.7 inches ...

algebra
Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr????

MATH
2x -4y = 8 find the real number for x and y

Psy
Professor Klinger says that all of your ideas come from interaction with the environment rather than anything that you were born with. The professor is advocating a theoretical perspective based on a(n)___ view. A) tabula rasa b) contemporary c) moral d) ecological

ALGEBRA
9/16-(-3/16) SUBTRACT SHOW ALL OF YOUR WORK SIMPLIFY tHIS IS WHAT I GOT. 9/16+3/16=12/16=3/4 IS WHT I got.

ALGEBRA
SIMPLIFY 0.1/O i GOT 0 FOR THE ANSWER BECAUSE ANY NEMBER DIVIDED BY 0 IS UNDEFINED IS THAT CORRECT.

ALGEBRA
STATE THE RECIPROCAL. -1/10 MY ANSWER IS -10 I need to know if I am on the right track.

ALGEBRA
write the expression using exponents m*m

algebra
write the wxpression using exponents. m*m

algebra
add -90+17

algebra
simplify (-19)^2

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