Monday
December 22, 2014

Posts by Kathy


Total # Posts: 769

Algebra
Area = 15x^3 + 25x^2 what is the length and width of the rectangle?
April 8, 2014

math
if a 30 ft ladder makes a 65 degree angle with the ground, how many fee up the wall will it reach
April 8, 2014

algebra 2
sigma upper limit 28 algebraic expression (8i-13) lower limit 1 index=i
April 6, 2014

algebra 2
what is the sum of the first 11 terms of the arithmetic series in which asub one = -12 and d=5
April 6, 2014

algebra 2
What is the sum of the first 60 positive integers?
April 6, 2014

Civil War
3.) The issue of the Mexican War divided the North and South
April 5, 2014

History
The Missouri Compromise settled one dispute, but contained a provision that began another battle
April 5, 2014

algebra 2
what is the 10th term of the sequence -62, -47, -32, -7, -2
March 30, 2014

Behavior
Animal researchers refer to the process of filtering out sights, scents, and sounds that have little impact on survival as A. desensitizing. B. nurturing. C. aggression. D. habituation
March 22, 2014

math
Jessica earns $53.35 in 5.5 hours. How much does Jessica earn in 1 hour?
March 22, 2014

algebra
if 6 notebooks + 2 binders = 23.52 ans 3 notebooks + 4 binders = 25.53 how do I solve to find out what the notebooks and binders each cost?
March 20, 2014

Statistics
A random sample of 150 towns in a western state had a mean annual precipitation of 2.86 inches. Assume that the population standard deviation is known to be 0.78 inches. Compute the 95% confidence interval for μ.
March 19, 2014

Math
27 -the known sides and that is your answer
March 18, 2014

World Geography
OPEC was formed in 1960 in order to
March 15, 2014

accounting
A bauxite mine was acquired at a cost of $1,500,000 and estimated to contain 6,000,000 tons of ore. During the year, 95,000 tons were mined and sold. Prepare the journal entry for the year's depletion expense.
March 1, 2014

accounting
Uncollectible Accounts—Percentage of Sales Ryan's Express has total credit sales for the year of $178,000 and estimates that 3% of its credit sales will be uncollectible. Record the end-of-period adjusting entry on December 31, in general journal form, for the ...
March 1, 2014

math
Joe spent 25% of his money on food. He spent 25% of the remainder on drink. He had $9 left. How much money did Joe have to start?
February 28, 2014

Algebra
Eye color is determined by genetic combination. Let R represent the gene for brown eyes and l represent the gene for blue eyes. Any gene combination including R represents browns eyes. Consider the offspring of a parents with homozygous brown-eyed, RR, gene combo and a parent ...
February 22, 2014

Algebra 1
I'm workin on the same stuff.. lol
February 22, 2014

Algebra 1
Thank you, Steve.
February 22, 2014

Algebra
I was asked to use factoring and the zero-product property to solve the following problems. Can you please check my answers? Thank you. z(z - 1)(z + 3) = 0 is already factored, so one of the factors must be zero for the product to be zero. Taking them in turn: z = 0 z - 1 = 0 ...
February 22, 2014

Algebra
Thanks. :) I think I got it now. You rock.
February 20, 2014

Algebra
Use factoring and the zero-product property to solve the following problems: z(z - 1)(z + 3) = 0 x^2 - x - 10 = 2 4a^ - 11a + 6 = 0 9r^r - 30r + 21 = -4 Please show work. Thank you so much!
February 20, 2014

Algebra (Reiny)
Ok... I tried to figure these out. This is what I got. Will you check my work? 1). 4x^2 - 8x - 12 + 6x = 4x^2 - 2x -12 = 2(2x + 3)(x - 2) 2). 144 - 9p^2 = 9(16 - p^2) = -9(p^2 - 4^2) = -9(p + 4)(p - 4) 3). 5c^2 - 24cd - 5d^2 = (5c + d)(c - 5d) 4). w^2 - 17w + 42 = (w - 3)(w + ...
February 20, 2014

Algebra
Can you please help me factor these expressions? Completely factor the following expressions. Please show work. 4x^2 - 8x - 12 + 6x 144 - 9p^2 5c^2 - 24cd - 5d^2 w^2 - 17w + 42 256z^2 - 4 - 192z^2 + 3 2a^2 c^3 - 14bc^3 + 32c^3 d^2 35g^2 + 6g - 9 3j^3 - 51j^2 + 210j Thank you ...
February 20, 2014

Algebra
Thanks Damon and Reiny for your help!
February 20, 2014

Algebra
Hiya. I have 7 expressions that I have been asked to simplify. I worked all of them out, and if you could, I'd like you to check my work for me. Here they are: 1. (x^2 + 3x - 9) + (-4x^2 + 2x - 3) My answer: -4x^4 + 5x - 12 2. (x - 2)(3x + 5) My answer: 3x^2 - 30x - 10 3...
February 20, 2014

algebra 2
Which values best approximate the solutions of x squared -4x -3.5 = 0.
February 18, 2014

algebra2
A parabola has a vertex (4,2) and contains the point (-2,26). what is the equation of the parabola?
February 18, 2014

algebra2
What is the solution set of 4x squared -3 = 11
February 18, 2014

algebra
Where is the vertex of the graph of y = -x squared + 4x + 5
February 18, 2014

algebra2
What is the quadratic function of f(x)=4(x-1)squared +3 in standard form?
February 18, 2014

algebra
If Jackson drops a ball from a building at the height of 80 meters. What is the height of the ball to the nearest tenth of a meter exactly 3 seconds after he drops the ball.
February 17, 2014

Math
2 5/6
February 6, 2014

Principles of Macroeconomics
Which of the following is the largest source of funds for the federal government? I am thinking either (B) OR (D) a. property taxes b. borrowing c. excise taxes d. income taxes e. tariffs
February 2, 2014

Algebra
What would the solution to this system of equations be? y = x - 50 y = 0.6x I got (138.8, 83.3), but that doesn't seem right at all.
January 27, 2014

Math
Thank you very much.
January 27, 2014

Math
Here is the problem: Christopher orders a three topping pizza for $15.25, and a 5 topping pizza for $17.75. Write and solve a system of linear equations to find the price of a plain cheese pizza (no toppings) and the cost of each topping. I used the method of elimination to ...
January 27, 2014

Algebra 1
An online camera retailer currently offers a 40% discount on cameras. Write a function relating a camera's purchases price, y, to the retail price, x. Give the domain of this function. I'm really stuck on this problem. Thanks so much for your help.
January 27, 2014

Bobby
Find the length (in cm) of an arc of a circle with radius 12 cm if the arc subtends a central angle of 30°.
January 19, 2014

math
it has a slope of -3 the line that passes through the point (2, -5)
January 19, 2014

math
Sorry I meant Find an equation for the line that passes through the point (2, -5) and is parallel to the x-axis Find an equation for the line that passes through the point (2, -5) and is parallel to the y-axis Find an equation for the line that passes through the point (2, -5...
January 19, 2014

math
Find an equation for the line that passes through the point (2, -5) and is parallel to the x-axis and is parallel to the y-axis and is parallel to the line 2x - 4y = 3
January 19, 2014

Business Law 311
PLEASE someone check these for me, Thanks.. Delta Inc. offers to sell Omega Corp. a packaging machine. Omega responds “We’ll take it but only if there is a six-month warranty.” Which of the following is true? There is a contract, and Omega has a six-month ...
December 8, 2013

Child development
If a child and mother or child and father or just a teen was being abused what kind of resources would they look for? What are the resources? Would one be like the community center. Well that's if they offer support for child abuse or even domestic abuse.
November 7, 2013

english 12
i am doing a summary on geoffrey nunberg reimagining america i don't know where to start
November 4, 2013

Biology
"Quiglilies" are a rare variety of flower. They have one allele for orange petal colour O. They also have another allele for white petals W. These alleles have a co-dominant relationship producing a yellow petal colour. i) what are the possible genotypes and ...
November 1, 2013

Biology
The production of a polypeptide involves the correct sequencing of amino acids, originally encoded by a segment of DNA. This code is transcribed onto mRNA and subsequently translated using tRNA. From the following DNA segment, record the base sequence that would be encoded on ...
November 1, 2013

PHYSICS
The magnetic field of the Earth at a certain location is directed vertically downward and has a magnitude of 54.0 µT. A proton is moving horizontally towards the west in this field with a speed of 6.00 ✕ 106 m/s. (a) What is the direction and magnitude of the ...
October 29, 2013

PHYSICS
A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field.
October 29, 2013

chemistry
Im stuck on these few questions that seems to be getting me no where : c HCl = 0.1812 c NaOH = 0.1511 volume of HCl added : 75 volume of NaOH added: 29.23,19.58,33.3 -Determine the number of mmoles of HCl that did not react with the anatacid. - mmoles of HCl neutralized by the...
October 8, 2013

chemistry
acid rain --how does it cause environmental and health problems
September 13, 2013

chemistry
what volume of 16 sulfuric acid must be used to prepare 1.5 L of a 0.10 M H2SO4 solution
September 13, 2013

chemistry
what is the configuration of an electron
September 13, 2013

chemistry
what law allows us to calculate a change in volume when the temperature changes , but the pressure is held constant
September 13, 2013

chemistry
how much oes 3.10cm3 of copper weigh
September 13, 2013

chemistry
conver 0.100Kg to g
September 13, 2013

chemistry
conver 0.100Kg to g
September 13, 2013

chemistry
conver 0.100Kg to g
September 13, 2013

chemistry
given an atmospheric pressure of 750mm Hg, find the partial pressures of nitrogen, oxygen. carbon dioxide and argon
September 13, 2013

law
If you are in college go to the university library and ask a reference librarian. They are wonderful ad will teach you how to do research correctly. In the mean time, go to Google Scholar and type in Miranda Rights in the first field and supreme court in the second field. ...
September 7, 2013

English
What is the simple subject of the following sentence: A large number of swimmers competed in the race.
September 6, 2013

math
0.625 divided by 6.5
September 4, 2013

Algebra 1
How do you solve sentence problems
September 1, 2013

trig
the base of a trapezoid are 22 and 12 respectively. the angle at the extremities of one base are 65 degree and 45 degree respectively. find two legs?
July 31, 2013

Finance
Assignment 8.1: Capital Budgeting Application You have just graduated and one of your favorite courses was Financial Management. While you were in school, your grandfather died and left you $1 million. You have decided to invest the funds in a fast-food franchise and have two...
July 23, 2013

Finance
28.57
July 7, 2013

statistics
A senator asks his constituents to rank seven issues in order of importance. How many rankings are possible?
July 1, 2013

Math
if 2 meters of a wire weigh 24.8 grams, how much do 6 meters of wire weigh?
June 11, 2013

Physics (ASAP)
Please I need help. I don't know how to do this problem without the SPEED VALUE. A sport utility vehicle is travelling at a speed of v m/s. If its momentum has a magnitude of 32,800 kg·m/s, what is the SUV's mass? _______ kg Thank you.
May 3, 2013

Physics (ASAP)
Please, I need help with this problem A cue stick applies an average force of 66 N to a stationary 0.17 kg cue ball for 0.0012 s. What is the magnitude of the impulse on the cue ball? Thank you
May 3, 2013

Physics (ASAP PLEASE)
Please, help me answer this question. Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed. (a) Which ball has the greater momentum? (b) Which ball has greater kinetic energy? Thank you
May 3, 2013

Physics
Can anyone please help me with this question? I don't understand why the speed is v m/s. A sport utility vehicle is travelling at a speed of v m/s. If its momentum has a magnitude of 32,800 kg·m/s, what is the SUV's mass? Thanks I know that I have to use the ...
May 2, 2013

Physics
Please, help me answer this question. Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed. (a) Which ball has the greater momentum? (b) Which ball has greater kinetic energy? Thank you
May 2, 2013

Physics (Momentum)
Please help me answer this problem.How do I answer this if I don't have the mass of the monkey and the scooter together? At a circus animal training facility, a monkey rides a miniature motorscooter at a speed of 7.0 m/s. The monkey and scooter together have a mass of m kg...
May 2, 2013

Physics (Momentum)
Please help me answer this problem.How do I answer this if I don't have the mass of the monkey and the scooter together? At a circus animal training facility, a monkey rides a miniature motorscooter at a speed of 7.0 m/s. The monkey and scooter together have a mass of m kg...
May 2, 2013

Physics (Momentum)
Can anyone please help me with this question? I don't understand why the speed is v m/s. A sport utility vehicle is travelling at a speed of v m/s. If its momentum has a magnitude of 32,800 kg·m/s, what is the SUV's mass? Thanks I know that I have to use the ...
May 2, 2013

Physics (MOMENTUM)
Please, help me answer this question. Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed. (a) Which ball has the greater momentum? (b) Which ball has greater kinetic energy? Thank you.
May 2, 2013

Math
99440
May 1, 2013

Math
A national study reports that 20% of college freshman have GPA above 3.5. We wish to determine if the corresponding proportion is higher at a local university. To conduct the test we select a random sample of 100 freshmen and determine that 26 of them have GPA above 3.5. Run ...
April 30, 2013

math
what is the slope and y-intercept for y=-2/3x -4.3
April 22, 2013

physics (Newton"s law of gravitation)
Please, can someone help me with this? A neutron star and a black hole are 2.400e+12 m from each other at a certain point in their orbit. The neutron star has a mass of 2.78×1030 kg and the black hole has a mass of 9.94×1030 kg. What is the magnitude of the ...
April 21, 2013

Physics (Electric fields and Coulomb's Law)
I need help with this question please. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion? _________ m Thank you
April 21, 2013

Physics (Electric charge for charged rods)
I need help with this question, please. What is the direction of the force between (a) two particles whose charges are the same sign and (b) two particles of opposite sign? (c) What happens to the magnitude of the force when the distance between two particles is increased? ...
April 21, 2013

physics (Newton's law of gravitation)
Can anyone please help me with this question? I am really confused. A neutron star and a black hole are 2.400e+12 m from each other at a certain point in their orbit. The neutron star has a mass of 2.78×1030 kg and the black hole has a mass of 9.94×1030 kg. What is...
April 21, 2013

Physics (G and g)
Please, I need help with this problem. I would really appreciate it. The top of Mt. Everest is 8850 m above sea level. Assume that sea level is at the average Earth radius of 6.38×106 m. What is the magnitude of the gravitational acceleration at the top of Mt. Everest? ...
April 21, 2013

Electric fields and Coulomb's law
Please, I need help with this question. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion? Answer:__________ m Thank you.
April 21, 2013

Electric fields and Coulomb's law
Can anybody please help me with this question? Two friends are playing a version of proton golf where the hole is marked by a single proton. The first friend reads his meter, and declares he has a field strength of 27.5 N/C. The second friend looks at her meter and realizes ...
April 21, 2013

Electric charge and Coulomb's Law
Can anyone help me explain this problem? Your help is appreciate it. You are given an apple and an orange. The apple has a net charge of +3×10−17 C. The orange has a net charge of −3×10−17 C. With only this information, can you determine which one...
April 21, 2013

physics (Newton"s law of gravitation)
Could anyone please help me with this problem? I would really appreciate it. The top of Mt. Everest is 8850 m above sea level. Assume that sea level is at the average Earth radius of 6.38×106 m. What is the magnitude of the gravitational acceleration at the top of Mt. ...
April 21, 2013

Uof Phoenix
6x=12
April 19, 2013

one more
thanks so much! what about 4xsquared + 4x - 3= 0
April 9, 2013

math (Reiny please)
how would i do these problems: 6. xsquared + 2x -7 =0 7. 6xsquared - 2x -1 = 0
April 9, 2013

science
can you simply explain what happens to ice that breaks off a glacier that lands in the water
April 2, 2013

physics (Newton's Laws)
Please help, A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree, because you may get stuck as well. Instead you set up a pulley system. A rope (consider it massless) runs from the seat you sit on over an ideal pulley...
March 17, 2013

physics (Newton's Laws)
One end of a spring is attached firmly to a wall, and a block is attached to the other end. When the spring is fully compressed, it exerts a force F on the block, and when the spring is fully extended, the force it exerts on the block is −F. What is the force of the ...
March 13, 2013

physics (Newton's Laws)
If an acrobat who weighs 800 N is clinging to a vertical pole using only his hands, neither moving up nor down, can we determine the coefficient of static friction between his hands and the pole? Explain your answer. Please, help. Thank you
March 13, 2013

Probability
2/3 people at a spa are there to lose weight. There are 10 people there and I approach one. What is the probability that the person is there to lose weight? The random variables are based on 10 rolls of a dice. 1(1)+ 2(2)+ 3(1)+ 4(2)+ 5(1)+ 6(3) {1=4=3=8=1=18}= 35 Please help ...
March 8, 2013

math
I have two questions 1.) 2750 grams= lbs 2.)2km= yards and in my book I have a completely different answer. Thank you
February 28, 2013

Physics (Velocity in two dimensions)
Please explain, A clown in a circus is about to be shot out of a cannon with a muzzle velocity of 15.2 m/s, aimed at 52.7° above the horizontal. How far away should his fellow clowns position a net to ensure that he lands unscathed? The net is at the same height as the ...
February 23, 2013

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