Friday
August 1, 2014

Posts by KATHY


Total # Posts: 689

math
The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of $3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided to offer a $1.00-off ...

Algebra 2
Is the relationship between the variables in the table a direct variation, an inverse variation, both, or neither? if it is a direct or inverse variation, write a function to model it. x 2 5 15 20 y 20 15 2 2 a. inverse variation;y=10/x b. neither c. direct variation; y=x+10 d...

math probability
A bag contains 12 marbles, 7 red and 5 green. The reds are numbered 1-7 and the green are numbered 1-5. If you pick 4 without replacing what is the probability that 2 of the 4 are numbered 5?

Math Question Please Help
Two more students like math than science Half the number of students who like science like history. The number of student who like reading equals the number who like math and science combined. Two students like History. How many children (12) like each subject

Algebra 2
4 exponent -2=1/12

Algebra 2
sketch a graph for f(x)=2(1/2)^x +1

accounting
Meranda Corporation purchases a machine for $125,000. It has an estimated salvage value of $10,000 an is expected to produce 50,000 units in its lifetime. During the first year of operation, it produced 14,500 units. To the nearest dollar, the depreciation for the first year u...

modern wrld history
why is the rain forest important

modern wo rld history
high school Did Kennedy avert the Cuban Missile Crisis?

history grade 3
What happened to the immigrants when they left Ellis Island?

history grade 3
What happened to the immigrants while they were at Ellis Island?

history grade 3
Why did the immigrants have to go to Ellis Island

history
Why should President Kennedy receive a peace award for averting the Cuban Missile Crisis.

history
Should Premier NIkita Khrushev be awarded a peace prize for averting a nuclear disaster during the Cuban Missile Crisis?

history
Should President Kennedy be awarded a peace prize for averting a nuclear disaster during the Cuban Missile Crisis.

history
Did JFK avert the Cuban MIssile crisis?

algebra 2
if someone offers to pay you 1 penny on the first day, 2 pennies on the second day, 4 pennies on the third day, 8 pennies on the fourth day, 16 pennies on the fifth day ad so on. What is the first day on which your pay would be at least $100.

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

algebra 2
Lizette drops a ball from a height of 256 feet. The peak height after each bounce is 75% the previous height. How much vertical distance does the ball travel from the time she drops it until it touches the ground after its fourth bounce

algebra 2
Mr Brown salary is $32,000 and increases $300 each year. Write a sequence showing the salary for the first 5 years. When will he make over $34,700.

algebra 2
Reiny I do not understand where you got the numbers from in the sigma question on Sunday . Where did you get the number 27 from and where did you get -10. What is the formula you used.

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

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

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

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

algebra 2
What is the sum of the first 60 positive integers?

Civil War
3.) The issue of the Mexican War divided the North and South

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

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

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

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

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?

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.

Math
27 -the known sides and that is your answer

World Geography
OPEC was formed in 1960 in order to

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.

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 estimat...

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?

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 ...

Algebra 1
I'm workin on the same stuff.. lol

Algebra 1
Thank you, Steve.

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 ...

Algebra
Thanks. :) I think I got it now. You rock.

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!

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 + ...

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 s...

Algebra
Thanks Damon and Reiny for your help!

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. ...

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

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

algebra2
What is the solution set of 4x squared -3 = 11

algebra
Where is the vertex of the graph of y = -x squared + 4x + 5

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

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.

Math
2 5/6

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

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.

Math
Thank you very much.

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 ge...

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.

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°.

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

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)...

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

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 warran...

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.

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

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 phenotyp...

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 ...

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 magn...

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.

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...

chemistry
acid rain --how does it cause environmental and health problems

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

chemistry
what is the configuration of an electron

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

chemistry
how much oes 3.10cm3 of copper weigh

chemistry
conver 0.100Kg to g

chemistry
conver 0.100Kg to g

chemistry
conver 0.100Kg to g

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

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. Afte...

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

math
0.625 divided by 6.5

Algebra 1
How do you solve sentence problems

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?

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...

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

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

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.

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

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

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 for...

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

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...

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...

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 for...

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.

Math
99440

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 t...

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