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Posts by Keith

Total # Posts: 226

college algebra
but what are the parameters of a?

college algebra
Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the system is dependent, express x, y, and z in terms of the parameter a.) x +2z=5 3x-y-z=12 6x-y-5z=27

Algebra
Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the system is dependent, express x, y, and z in terms of the parameter a.) 3x-3y+6z=15 x+2y-z=11 5x-8y+13z=19

Math Geometry
Guys, IMHERETOSAVETHEDAY and Dylan are the same person for one. And 2, the answers are completely wrong.

Transformations
I still do not understand, pardon me Could u use the terms dilation, reflection and translation and the axes?

Transformations
List a sequence of transformations which maps the graph of y=x^2 to the image with equation y=4*(2x-3)^2 + 1 Please help

Pre Calc
Sima wishes to accumulate $60000 in five years. She invests twice that amount in a fun that earns 7.2%, compounded quarterly. How much does she invest in each fund.

math
Luis rides his bicycle 3:4 of a mike in 5 minutes,or 1:12 hour,along the bike trail.Assuming he rides at a constant rate,what is his speed,in miles per hour?

Statistics
Assume that​ women's heights are normally distributed with a mean given by mu equals 63.8 inμ=63.8 in​, and a standard deviation given by sigma equals 3.1 inσ=3.1 in. Complete parts a and b.

science
number of grams of MgCl2 needed to prepare a 250ml of a 12% aqueous solution with 1.1g/ml density

math
find the equation of the family of hyperbolas where foci are (~4, 6) & (4, 0). Find the member of the family that passes through (2, 0)

Algebra 2
I had to solve this quadratic equation using the complete the square method. Did I do it correctly? The problem is 3x^2+18x+10= 0 (3x^2+18x+10)/3= 0/3 = x^2+6x+(10/3)=0 x^2+6x+(10/3)-(10/3)=0-(10/3) =x^2+6x= (-10/3( x^2+6x +(6/2)^2= -10/3+(6/2)^2 x^2+6x+9=(x+3)^2 (-10/3)+(9/1...

chemistry
how is .006421 expressed as two significant figures for density

chemistry
a block of metal has a width of 3.2cm, a length of 17.1cm, and a height of 3.7cm. its mass is 1.3kg. calculate the density

Math Help
In a certain state, each automobile license plate number consists of two letters followed by a four-digit number. To avoid confusion between "O" and zero and between "I" and one, the letters "O" and "I" are not used. How many distinct ...

Math
Thanks so much!

Math
I was thinking it was 1/10 but the only concern I have was when the questions says of the original lasagna.

Math
but shouldn't we include cameron? wouldn't this make 5 people?

Math
CAMERON AND HIS FAMILY WERE EATING LEFTOVER LASAGNA. There was 1/2 of the lasagna left. Cameron has one brother, one sister, and two parents. If everyone gets the same size pieces, what fraction of the original lasagna does each member of cameron's family receive?

Physics
A square coil with 30 turns has sides that are 18 cm long. When it is placed in a 0.31-T magnetic field, a maximum torque of 0.60 N⋅m is exerted on the coil. What is the current in the coil?

law
Does inspirational appeal always have to be engaged from a "top- down" approach? Can a leader develop a team where he becomes nearly "lateral" to his team at times that an inspirational appeal is employed, especially if it is genuine?

law
With the recent terrorists threats that the US has had for example the bombings at the Boston marathon, do you think the governement is going enough to protect the country from terrorism?

law
In your opinion what do you think is more important, civil liberties or security? Do you think that one outweighs the other?

algebra
The fraction of men in a population who are married is 2/3. The fraction of women in the population who are married is 3/5. What fraction of the population is single?

Math
I need to see how this is answered. 1. Lauren deposited $200 into her savings account with 1% interest rate compounded annually. After 4 years her balance was $208.12. Colby deposited $200 into a savings account that earned a 2% simple interest rate for 4 years, who had the ...

physics
Ok, so Intensity = Power/Area Intensity of sound expanding in a sphere will be I=Power/(4pi*radius^2) a) Power = 0.602, A= (4pi*(28.0/2)^2 Intensity = 0.602/2463.01 Intensity + 2.44E-4 Thats for one speaker. So multiply it by 2 for a total Intensity of 4.888E-4 b) For this we...

law
What is the context of the juvenile justice system

law
What is your perspective towards juvenile delinquency and school violence

law
illegal behavior

law
How do you feel about juvenile delinquency?

law
any state

law
Are the juvenile courts doing enough to change the treatment of juveniles in the justice system?

law
why you think so

law
But overrall Are parents and school management playing a suitable role to control increasing school violence?

law
Are parents and school management playing a suitable role to control increasing school violence? If not, what else can they do to help solve the problem of school violence?

Advanced Algebra
What is the inverse of each of the functions defined by the following equations, if the inverse exists. If the inverse does not exist for the largest possible domain, limit the domain so that the inverse will exist. In each case, give the domain and range of both the function ...

Basic Statistics
The Suva Energy Information Administration reported that 51.7% of homes in Sunnyville were heated by natural gas. A random sample of 200 homes found that 115 were heated by natural gas. Does the evidence supports the claim, or has the percentage changed? (Use a P-value method).

Statistics
A rental agency claims that the average rent that small-business establishments pay in Suvacity is $800. A sample of 10 establishments shows an average rate of $863. The standard deviation of the sample is $20. At α = 0.05,is there enough evidence to reject the agencies ...

math
Marianne buys 16 bags of potting soil that comes in 5/8 pound bags a.how many pounds of potting soil does she buy? b. if her father calls and says he needs 13 pounds of potting soil, how many additional bags should she buy?

KIPP Believe
The student-to-faculty ratio at a small college is 17:3. The total of students and faculty is 740. How many faculty members are there at the college? How many student?

Math
A car dealership employs 12 salesman and 28 mechanics. What is the ratio of salesman to mechanics?

Literatue- Ms. Sue help me plz
dramatic narrative

Literature-Help me Ms. Sue
. it provided more slaves for her owner

Literature-Help me Ms. Sue
meanings are hidden in imprecise words.

math
Aislyn decides to research attendance at sporting events for her project. She finds data on average attendance per game at San Diego Chargers (CA) football games and at Dallas Cowboy (TX) football games. The table shows the average attendance for each team for the 2000 season ...

english
ugh i will just go elsewhere

english
I do not have a clue what it is cause it has been a long time sense I have read this book. Can you please help me?

english
17. In Shirley Jackson’s “The Lottery,” how does the author use Tessie’s late arrival to help create suspense? (1 point) A The reader does not know what event Tessie has arrived late for. B The reader knows that the townspeople are aware of Tessie's ...

English
no

English
16. What is the effect of the author’s use of assonance in the following line from “The Raven?” “For the rare and radiant maiden whom the angels name Lenore—” (1 point) A It creates emphasis on Lenore. B It explains Lenore’s appearance. C It ...

English
Thx

English
12. What does the following quote reveal about Montressor’s intentions? "'Pass your hand,’ I said, ‘over the wall; you cannot help feeling the nitre. Indeed it is very damp. Once more let me implore you to return. No? Then I must positively leave you. ...

World REgional Geography
A. expanding the copra trade

business Math
900.38

art
A

Mathematics lit, physical science, life science. Geography and englsh ,sepedi and l.o
Clinical Psychologist

poetry part 1
a narrow wind complains all day

Liberty
What is the sample Z score to reject the null hypothesis if the cut off Z score +-2.31?

statistics
A population is normally distributed with mean 30, population SD =10, Sample size 25. What are the mean and variance of the distribution of means, respectively?

MATH
14/27

Math
Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? I worked it out this way 8/15 x 30 = 240/15 240 divided bt 15 = 16 seconds my teacher said I was wrong and said the answer was 30/16????

Math
Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? How would I work this out? Thank You

physics
A 0.40 kg mass is attached to a spring with force constant 26 N/m and released from rest at a distance of 3.2 cm from the equilibrium position Use conservation of energy to find the speed of the spring when it is halfway to the equilibrium position Find the maximum speed of ...

Accounting
1.More specifically, in the third and fourth quarter of 2000, at the direction and with the knowledge of WorldCom’s senior management, Vinson Normand and others, by making and causing to be made entries in WorldCom’s books which improperly decreased certain revenues ...

math
the price of a fax machine is marked down from $305 to $262.30. what is the rate of discount

Literature
enthusiasts.

maths
A die is thrown twice. Find the probability that the number obtained in the first throw is smaller than that in the second throw.

maths
A group of y numbers has mean x. If the numbers 3 and 5 are removed from the group, the mean of remaining(y-2) numbers remains unchanged. Find x.

Finite Math
True or false. [A ¿ (B ¾ C)]c = (A ¿ B)c ¿ (A ¿ C)c

Finite Math
True or false. P (n, r) = r! C (n, r). explain why please, thanks

english
D secondary research

Computers C++
1). After the assignment statement result = isspace('\t'); result has the value ________. 2). The data type of islower('g') is ________. 3). What will be output given the following information: float * pointer; float pay = 3.75; pointer = &pay; cout << &...

math
if i have a mix of 4oz. to 100lbs. how much would it be for 9Lbs.

math
2(n+3}<-4

chemistry
RANK THESE COMPOUNDS BY THE LENGTH OF THE CARBON-CARBON BOND

Trigonometry
rectangular form to polar form xy=12 rsinÆŸ rcosÆŸ=12 would the answer be: r^2=12/cosÆŸ sinÆŸ please show steps, Thanks

math
9/20 how do I multiply & simplity

Literature
4 feet

algebra
(1) T in terms of A is alike to Y in terms of X for linear graphs, so set it up the same way. T = (something)A + constant The constant reading is 200 miles per hour so that is your constant. T = (something)A + 200 The true airspeed is increasing by 2% or .02 of the indicated ...

Math
Use all ten digits from 0 to 9 only once. Do not use 0 in either the milions or thousandths places. What is the greatest number less than 5 million?

math
Alternate exterior angles are always ?

algebra
a – 6 = 2b a + b = 15

algebra
Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). The sum of two numbers is 36. Their difference is 4. Determine the two unknown numbers.

pre algebra
solve whether the sequence is arithmetic or geometric if it is arithmetic or geometric,state the common difference or common ratio and write the next three terms of the sequence 10,18,26,34

Probability
6 sided die is rolled 8 times, how many sequence of rolles are there?

Math
45 degrees

AP Chemsitry
A solution of an unknown monoprotic weak acid was titrated with 0.100 M NaOH. The equivalence point was reached when 37.48 ML of base had been added. From a second buret, exactly 18.74 of 0.100 M HCl were added to the titration solution. The pH was then measured with a pH ...

physics
A turntable must spin at 33.7 rpm (3.53 rad/s) to play an old-fashioned vinyl record. How much torque must the motor deliver if the turntable is to reach its final angular speed in 1.5 revolutions, starting from rest? The turntable is a uniform disk of diameter 30.5 cm and ...

physics
A spinning flywheel has rotational inertia I = 401.9 kg · m2. Its angular velocity decreases from 20.5 rad/s to zero in 257.1 s due to friction. What is the frictional torque acting?

physics
You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 372 N. The store owner desires that it hang out over the sidewalk as shown. The sign has a weight of 248 N and the beam's weight is 49 N. The beam's length is 1.30 m and the ...

Physics
A house painter stands 3 m above the ground on a 5.3-m-long ladder that leans against the wall at a point 4.7 m above the ground. The painter weighs 638 N and the ladder weighs 143 N. Assuming no friction between the house and the upper end of the ladder, find the force of ...

chemistry
you are given an unknown gaseous binary compound. when 10.0g of the compound isburned in excess oxygen, 16.3g of water is produced. the compound has a density 1.38 times that of oxygen gas at the same conditions of temperature and pressure. give a possible identity for the ...

chemistry
you are given an unknown gaseous binary compound. when 10.0g of the compound isburned in excess oxygen, 16.3g of water is produced. the compound has 1.38 times that of oxygen gas at the same conditions of temperature and pressure. give a possible identity for the compound.

microeconomics
Immigration is a major topic of concern in today’s economy. What are the possible problems and solutions for these concerns? What could happen to the U.S. labor markets if immigration is not controlled?

microeconomics
Many factors determine the supply and demand for labor. Identify and explain two factors that would increase or decrease the demand for labor. Identify and explain two factors that would increase or decrease the supply of labor. Use the readings and/or the internet for examples

Microeconomics
Answer the following questions based on the graph that represents J.R.'s demand for ribs per week of ribs at Judy's rib shack. a. At the equilibrium price, how many ribs would J.R. be willing to purchase? b. How much is J.R. willing to pay for 20 ribs? c. What is the ...

grammar
find italicized test

physics
You have four vectors. For each one resolve them into North and east components. Adding the North components. N= 75 + 0 + 125 sin(30) - 150 = - 12.5 m And adding the east components we get E = 0 + 250 + 125 cos(30) + 0 = 358.25 The magnitude of the result is found by ...

trig
If S is an element of [ 3pi/2 , 2pi ] what quadrant does the terminating side lie in and evaluate for sine theta

physics
69 tayo

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