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mike

Questions (1,039)

Is this a linear equation-2x+2y=-8(y+5)
1. 1 answer
2. 378 views
3x[1]+x[2]<=12,x[1]+x[2]<=15,z=2x[1]+x[2]I need the simplex for this problem. I have the right answer but keep coming up with a
1. 2 answers
2. 394 views
I am trying to write the solutions that can be read from each simplex tableau.X1 x2 x3 s1 s2 s3 x |0 2 0 5 2 2 0|15| |0 3 1 0 1
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2. 1,494 views
w+x=32y+z=8 w+y=22 x+z=18 220w+300(32-w)+400(22-w)+180(8-y)=9280 , w+y=22 I was able to solve for w and y but keep coming up
1. 1 answer
2. 332 views
define the following new variablesX to A =W X to B =X Y to A =Y Y to B =Z w+x=32 y+z=8 w+y=22 x+z=18 You helped me solve for y
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2. 558 views
una familia grande tiene muchas
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2. 495 views
How do I write A-1 The minus one is small and at the top but I am new at algebra and this is the first time I had to use this.
1. 1 answer
2. 331 views
| 2 3 5|A=| 1 7 9| |-3 2 10| , |3| B=|4| |1| I need to solve this matrix equation AX = B FOR X BY FINDING A^-1, given A and B as
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2. 437 views
Barges from ports X and Y went to cities A and B. X sent 32 barges and Y sent 8. City A received 22 barges and B received 18
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2. 2,990 views
I need to solve the system of equations letting z be the parameter7x+y+7z=-12 -3x+4y+6z=-1 This is suppose to be the right
1. 2 answers
2. 1,266 views
I did a problem and used the substitution method and it took me forever to solve by hand. Is there a shorter way to show how
1. 1 answer
2. 598 views
A manufacturer has decided to come out with a new and improved toilet. The fixed cost for the production of this new toilet line
1. 1 answer
2. 1,870 views
What am I doing wrong I am using the Gauss Jordan method to calculate this answer and some other students are coming up with
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2. 576 views
Show equation AX=B represents a linear system of two equations in two unknowns. Solve the system and substitute into the matrix
1. 1 answer
2. 1,195 views
2x+4z=-83x+y+5z=2 -x+y-2z=4 I need to solve each system of equations by using the inverse of the coefficient matrix. Are these
1. 1 answer
2. 1,087 views
|2 0 4||3 1 5| |-1 1 -2| I needed the inverse of the matrix above and is the one below correct? If so how do I put the problem
1. 0 answers
2. 365 views
Show equation AX=B represents a linear system of two equations in two unknowns. Solve the system and sustitute into the matrix
1. 0 answers
2. 585 views
Can you tell me if this is a correct answer. The question is find each matrix product.|-9 2 1||2 | |3 0 0 ||-1| |4 | -16/6
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2. 337 views
Can you let me know if this is correct|a+2 3z+1 5m| |4k 0 3| + |3a 2z 5m| |2k 5 6| = |10 -14 80| |10 5 9| can you let me know if
1. 3 answers
2. 370 views
Need to find the sizes of the product AB and the product BA whenever these exist. We are given A and BA is 4 x 3, B is 3 x 6
1. 1 answer
2. 466 views
|3a 2z 5m||2k 5 6| I am trying this one but am totally lost. You gave the answer to one earlier. If I am in need of the value of
1. 1 answer
2. 397 views
|a+2 3z+1 5m||4k 0 3| + |3a 2z 5m| |2k 5 6| = |10 -14 80| |10 5 9| I think I posted right this time I need the values of the
1. 1 answer
2. 331 views
|a+2 3z+1 5m|+|3a 2z 5m|=|10 -14 80||4k 0 3 | |2k 5 6| |10 5 9| I needed to repost this. This is a matrice and I am trying to
1. 1 answer
2. 332 views
|a+2 3z+1 5m|+|3a 2z 5m|=|10 -14 80||4k 0 3 | |2k 5 6| |10 5 9 | This is a matrice and I am trying to find the values of the
1. 1 answer
2. 331 views
[4,3_1,2]-[1,1_1,0]+[1,1_1,4]Re posting this one. this is a matrice and the question says perform the indicated operations where
1. 1 answer
2. 421 views
M[4,3_1,2]-M[1,1_1,0]+M[1,1_1,4]perform the indicated operations where possible
1. 2 answers
2. 346 views
Consider the data points with the following coordinates.x|33.8 37.2 14.1 46.3 29.5 ______________________________________ y| 2 7
1. 4 answers
2. 400 views
find k so that the line through (3,k) and (1,-2) is parallel to 5x-3y=2. Find k so that the line is perpendicular to 3x+2y=6
1. 2 answers
2. 489 views
find k so that the line through(3,k) is parrallel to 5x - 3y = 2 then find k so that the line is perpendicular to 3x+2y=6
1. 1 answer
2. 493 views
when going more than 38 miles per hour the gas mileage of a certain car fits the model y=43.81 - 3.95x where x is the speed of
1. 1 answer
2. 819 views
350 attend a play $3 for adults and $1 dollar for children Admission receipts are $750 how many adults and how many children
1. 1 answer
2. 694 views
A long sleeve blouse requires 1.5 hrs of cutting and 1.2 hrs of sewing. A short sleeve blouse requires 1 hr of cutting and .9
1. 2 answers
2. 584 views
Company produces three models of speakers. models A,B,and C and can deliver them by truck, van and car. Truck holds 2 boxes of
1. 3 answers
2. 966 views
Using the Gauss-Jordan method need to determine the coefficients a,b,c of the quadratic equationx=ax squared +bx+c y=5.4 and x=8
1. 5 answers
2. 650 views
Using the Gauss-Jordan method need to determine the coefficients a,b,c of the quadratic equationx=ax squared +bx+c where y is
1. 1 answer
2. 421 views
what is the stylistic device in "he sang a solitary song that whistled in the wind"
1. 1 answer
2. 625 views
A recipe for muffin mix calls for 8 cups of flour, 3 cups of oatmeal, and 4 tablespoons of baking powder along with other
1. 1 answer
2. 861 views
Erika spent5/6hr. on her computer visiting the History Channel and the Discovery Channel websites. She spent 12 minutes at the
1. 1 answer
2. 699 views
Stock in a company is selling for $113/4 per share. If someone purchases $893 worth of stock in this company, how many shares
1. 1 answer
2. 562 views
A land developer wants to develop 20 acres of land. Each lot in the development is to be 5/4 of an acre. How many lots will the
1. 4 answers
2. 1,103 views
can u help me unscramble this word Dolurf
1. 1 answer
2. 485 views
how many gallons of water will a tank measuring 66 inches in diameter and 24 inches in height,hold?
1. 1 answer
2. 571 views
You wish to prepare an aqueous solution of glycerol, C3H5(OH)3, in which the mole fraction of the solute is 0.093. How many
1. 1 answer
2. 1,275 views
a reaction known to release 1.78 kilojoule of heat takes place in a calorimeter containing 0.100L of soln. the temperature rose
1. 1 answer
2. 555 views
in one experient, a student placed 50.0ml of 1.00molar Hcl at 25.5celsius in a coffee-cup calorimeter. to this was added 50.0ml
1. 1 answer
2. 698 views
I have no clue how to figure this problem out..The Goodyear blimps, which frequently fly over sporting events, hold
1. 1 answer
2. 773 views
why did king kong eat a truck?
1. 3 answers
2. 870 views
An object is spinning at 4 rev/s and starts deccelarting at .9 rev/s^2. How long will it take the object to stop?
1. 1 answer
2. 946 views
Is it possible to have a mean of zero?A median of zero? I think yes, but you would have to have a set of just zeros, or you
1. 1 answer
2. 394 views
DrBob222, thank you for answering my question(s). Sorry for asking repeatedly, I am new to this "posting" stuff. I thought I was
1. 2 answers
2. 516 views
how do you know which roman numeral to place between the cation and the anion of a metal-nonmetal substance?
1. 1 answer
2. 402 views
how do you know which roman numeral to place between the cation and the anion of a metal/non-metal substance?
1. 1 answer
2. 379 views
how do you know which roman numeral to put between the cation and anion of a metal and non-metal substance?
1. 1 answer
2. 389 views
how do you know which roman numeral to put between the cation and the anion of a metal-nonmetal substance?
1. 1 answer
2. 377 views
how do you know what/which roman numeral to place between the cation and the anion of metal-nonmetal substances?
1. 2 answers
2. 451 views
What does the word "typical" have to do in relation to statistics? Is it the same as mode?
1. 1 answer
2. 354 views
what is an action verb.the boy jump on the table. linking verb David is happy to see you
1. 4 answers
2. 470 views
Mathi have 7 ten rods and 3 units squares. i am playing Win A Flat, i rolled a 9. how many ten rodes do i have after the
1. 1 answer
2. 227 views
You drop a ball from a height of 2.8 m, and it bounces back to a height of 1.0 m. (Ignore air resistance.)(a) What fraction of
1. 1 answer
2. 667 views
what is a mapkey
1. 2 answers
2. 185 views
what is a part of the earth that is shaped in a special way,is that a landform
1. 1 answer
2. 301 views
what are electronegativity, electron affinity, and ionization energy?
1. 1 answer
2. 424 views
why is barium more reactive than magnesium?
1. 1 answer
2. 1,523 views
is the number with the most digits always the greatest? explain
1. 5 answers
2. 233 views
use guess and check to solve the following problem. Write your solution as a sentence. A cable 84 meters long is cut into two
1. 0 answers
2. 498 views
Write the next four terms of the sequence 27, -18,12,-8,....
1. 2 answers
2. 719 views
Reflect on your own worldview and compare it with the worldviews presented in the text. Provide examples of the benefits of your
1. 2 answers
2. 492 views
ddo tou think a middle class people should not be able to afford houses and cars?
1. 1 answer
2. 423 views
Do you think credit has done more harm than good to the average consumer?
1. 1 answer
2. 424 views
Of the characteristics common to good listeners, which do you consider the most important in a customer service organization?
1. 2 answers
2. 2,694 views
Do you thing attentiveness is the most important in a customer service?
1. 1 answer
2. 376 views
true / falseCustomers become less demanding as time passes; therefore, going the extra mile for them will not make your customer
1. 4 answers
2. 1,012 views
Give at least two examples of experiences that you have had in dealing with customer service providers who tried to sway you
1. 1 answer
2. 387 views
How do we sometimes create problems through our communication style?
1. 1 answer
2. 402 views
Both Mr. Jones and Mrs. Green earned $50,000 gross in 2007. Yet, Mr. Jones owed IRS $600 on his tax return while the IRS owed
1. 2 answers
2. 649 views
What experiences (good or bad) do you (or someone you know) have with IRS (or any other taxing authority)? What actions do you
1. 3 answers
2. 339 views
Two things that are certain in life are death and taxes; we often hear. Do you think it is justified for governments to levy
1. 1 answer
2. 338 views
Two things that are certain in life are death and taxes; we often hear. Do you think it is justified for governments to levy
1. 1 answer
2. 522 views
When performing a hypothesis test upon dependent samples, the variable interest is...I think it is the differences that exist
1. 1 answer
2. 692 views
Summarize the hydrologic cycle, and how important this cycle is to earth.
1. 1 answer
2. 1,132 views
If Jake_____(take) acting classe, he might _____(have) the confidence to go to the audition. Now he has the leading role!
1. 2 answers
2. 390 views
If miriam _______(win) the talent contest, she ______(become) a famous singer. Now she´s a big star. (past model form) please.
1. 2 answers
2. 559 views
if miriam_______(win) the talent contest, she_______(become)a famous singer. Now she´s a big star.
1. 2 answers
2. 481 views
How can you tell if two lines are perpendicular
1. 1 answer
2. 369 views
The XYZ corporation is planning to purchase an extruder at a purchase price of $350,000. XYZ plans to make down payment of 25%
1. 1 answer
2. 826 views
I have to do a creative oral written presentation for two Hemingway books... for whom the bell tolls and farewell to
1. 1 answer
2. 575 views
how would you determine a conic represented by the polar equation r=a*cos(x)+b*sin(x). then how would you convert the equation
1. 3 answers
2. 580 views
how would you simplify this((x^2+2xy+y^2-16)/(16x^4-16y^4))/((x+y-4)/(4x^2+4y^2))*((x+y)/(x+y+4))
1. 1 answer
2. 446 views
if an is a geometric sequence where a1=4 and the sum of an=12. how would you find the common ratio of the sequence? please help
1. 1 answer
2. 598 views
how would you determine the eccentricity of the conic section when represented by the equationax^2+cy^2+dx+ey+f=0 if the
1. 2 answers
2. 740 views
how would you determine the eccentricity of the conic section when represented by the equationax^2+cy^2+dx+ey+f=0 if the
1. 0 answers
2. 618 views
if you have the ellipse (x^2/a^2)+(y^2/b^2)=1 and a>b what would the sum of the distances from a point (x,y) on the ellipse to
1. 2 answers
2. 438 views
if you have the points a(5,7) b(-1,-1) and p(x,y). how would you write an equaiton for all x and y for which pa is perpendicular
1. 2 answers
2. 406 views
Write an equation in standard form for a line passing through the pair of points.(5,3) and (-3,-8)
1. 1 answer
2. 782 views
site where you can see many sensory receptors
1. 0 answers
2. 425 views
how would you solve for x:(3)^.5sin(2x)-2cos(2x)+2sin^2(x)=1 using trig identites. please help
1. 1 answer
2. 510 views
how would you find the angle to (3)^.5sin(2x)-2cos(2x)+2sin^2(x)=1I know that you have to use the trig identities but then when
1. 0 answers
2. 539 views
how would you breakdown these words using root meanings, pretentious, evanescent, avarice, and astute.
1. 2 answers
2. 699 views
prove1/sinx-sinx=cos^2xcscx
1. 2 answers
2. 435 views
how would you prove that sin^2(a)-cos^2(b)= sin^2(b)-cos^2(a).i'm not completely sure that this is right but i used the
1. 1 answer
2. 437 views

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