Monday
September 1, 2014

Posts by kathy


Total # Posts: 700

algebra
x+4/8=x-2/6 6(x+4)=8(x-2) 6x+24=8x-16 8x-16=6x+24 8x-6x=24+16 2x=40 x=20
August 13, 2014

algebra
radicand equation 3y+1/9=2/3 3y +1/9=2/3^ 3y +1/9=2/3 x2/3 3y+1/9 =4/9 3y=4/9-1/9 3y=3/9 y=3/9divided by3 y=1/3 divided by 3 y=1
August 13, 2014

algebra
radicand equation d-1/3=4 d-1/3=4^ d-1/3=16 d=16-1=15 3d=15 d-5
August 13, 2014

algebra
I have a radicand equation 3-s=3 There is an index of 3 3-s=3times3tomes 3 3-s=27 s=9
August 13, 2014

algebra
radicand equation of 1/2n+3=3 There is an index of 4 1/2n+3=3x3x3x3 1/2n +3=81 1/2n=81-3 1/2n=78 n=39
August 13, 2014

algebra
(-5)x radicand equation 1/3x+4=-10 there is an index of 3 (-5)(1/3x+4) = 10^3 -5/3x-20=1,000 -5/3x=980 -5x=360 -x=72
August 12, 2014

algebra
there is a radicand equation of 1/2n+3=3 There is an index of 4 1/2n +3=3^4 1/2n+3=81 1/2n=78 n=36
August 12, 2014

algebra
1/3 + 5/s-4=2 s-4+15=2 s-4=2-15 s=(2-15)+4 s= -13+4 a=9
August 12, 2014

algebra
n/4=n+1/3n n(3n)=4(n+1) 3n^=4n+4 3n^-4n-4=0 3(n^-4n-4) (n-2)(n-4)
August 12, 2014

algebra
20/x^+4x=3/x+4+1/x 2(2x+3)/2x=x(x+5)/2x 4x+6 =x^+5x x^+5x-4x-6 x^+x-6 (x+1)(x-6)
August 12, 2014

algebra
1/3 +5/s-4=2 s-4/3(s-4) +5(3)/3(s-4)=2/3(s-4) s-4+15=2 s-4+15-2=0 s-4+13=0 s=9
August 12, 2014

algebra
k+5=-6divided byk k^+5k=-6 k^+5k-6 (k-6)(k+1) k-6=0 k=6 k+1=0 K=-1
August 12, 2014

algebra
2x+3 divided by x=x+5divided by 2 2(2x+3)=x(x+5) 4x +6=x^+5 x^+5x-44x-6 x^+x-6 (x-1)(x+6) x-1=0 x=1 x+6=0 x=-6
August 12, 2014

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 ...
May 31, 2014

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...
May 19, 2014

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?
May 8, 2014

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
May 7, 2014

Algebra 2
4 exponent -2=1/12
May 6, 2014

Algebra 2
sketch a graph for f(x)=2(1/2)^x +1
May 4, 2014

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 ...
April 30, 2014

modern wrld history
why is the rain forest important
April 28, 2014

modern wo rld history
high school Did Kennedy avert the Cuban Missile Crisis?
April 27, 2014

history grade 3
What happened to the immigrants when they left Ellis Island?
April 27, 2014

history grade 3
What happened to the immigrants while they were at Ellis Island?
April 27, 2014

history grade 3
Why did the immigrants have to go to Ellis Island
April 27, 2014

pol201
Question 1.1. A district court is considered to be (Points : 1) a court that determines the validity of a law. a place where decisions from state courts can be appealed. a court to settle disputes between Congress and the President. a court of original jurisdiction.
April 13, 2014

history
Why should President Kennedy receive a peace award for averting the Cuban Missile Crisis.
April 9, 2014

history
Should Premier NIkita Khrushev be awarded a peace prize for averting a nuclear disaster during the Cuban Missile Crisis?
April 9, 2014

history
Should President Kennedy be awarded a peace prize for averting a nuclear disaster during the Cuban Missile Crisis.
April 9, 2014

history
Did JFK avert the Cuban MIssile crisis?
April 9, 2014

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.
April 9, 2014

Algebra
Area = 15x^3 + 25x^2 what is the length and width of the rectangle?
April 9, 2014

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
April 9, 2014

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.
April 9, 2014

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.
April 9, 2014

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

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