Tuesday
July 29, 2014

Posts by tina


Total # Posts: 980

Statistics
Two fair six-sided dice are rolled and total of results on the top of each doe observed. Find the probability that total is 8

statistics
____o_____o_____ | | _______o________ | | ____o_____o_____ This is the correct picture

statistics
____o_____o_____ | _______o_______| | ____o_____o_____| Sorry. This is the correct picture

statistics
____o_____o_____ | _______o_______| | ____o_____o_____| Sorry. This is the correct picture

statistics
____o_____o_____ | | _______o________ | | ____o_____o_____ This is the correct picture

statistics
What is the probability that the following system works if each unit fails independently with probability p? ____o_____o_____ | | _______o________ | | ____o_____o_____ Note: In the above circuit "o" represents 5 relays in the circuit with propability p

Social Studies
What Is The New Jersey Plan

Finance math
If $100 is invested at 6% compunded A - annually B - quarterly C - monthly what is the amount after 4 years? How much interest is earned?

Literature
Assuming “Kubla Khan” is a deliberate fragment (i.e. that it is finished in its unfinished state), what does the introductory narrative imply about the nature of (ideal) poetic creation? How does the narrative frame our understanding of what the poem fragment is or ...

PHI 103
appeal to pity

math
how do you figure 4 1/2 to 1 3/10 ration as a fraction in lowest terms?

Algebra 1
using point slope formula how do you graph y-2=-3(xt2)

calculus
A rectangle is inscribed in an isosceles triangle. If the sides of the triangle are 10, 10 and 12, what are the dimensions of the rectangle having the greatest area? The diagram shows the triangle on a set of axes with base 12 on the x axis and the top vertices on the y axis.

stat
Assume that the population of heights of female college students is approximately normally distributed with mean m of 67.26 inches and standard deviation s of 5.96 inches. A random sample of 78 heights is obtained. Show all work. (A) Find (B) Find the mean and standard error o...

English
to announce a message

geometry
Find the measure of the vertex angle of an isosceles triangle if either of the exterior angles formed by extending the base measures of 112

statistics
Find the value of z such that approximately 20.88% of the distribution lies between it and the mean.

statistics
What is the probability that a student in a college of 650 students in both a math major and a computer science major ( assuming these events are independent) If there are 72 math majors and 105 computer science majors?

spanish
How do I use the cue to write sentence with the ver gustar for: Roberto/los libros de misterio/no

Algebra
Sue can shovel snow from her driveway in 45 minutes. Jim can do the same job in 55 minutes. How long would it take them if they worked together?

Chemistry
Kp = Kc (RT) (exponent = (2+1)-2) 0.700 = Kc (R * 319) not sure what R is or how to figure it out????

Chemistry
At 319K the decomposition of dinitrogen tetroxide occurs with the following Kp: 2NO2(g)<>2NO(g)+O2(g) Kp=.700 What is the value of Kc for this reaction?

statistics
If the random variable z is the standard normal score and a > 0, is it true that P(z > -a) = P(z < a)? Why or why not?

statistics
Find the (two) z-scores that bound the middle 40% of the standard normal distribution. please show the work.

Ethical Decision Making Case Study
Paula realizes that the medical record she is reviewing belongs to Bob, her best friend's fiance Paula learns that Bob has HIV. Paula knows her friend does not know of Bob's condition. What can Paula do without violating HIPPA?

stats
In testing a new drug, researchers found that 1% of all patients using it will have a mild side effect. A random sample of 12 patients using the drug is selected. Find the probability that: (A) exactly one will have this mild side effect (B) at least one will have this mild si...

psy.
Intimacy

precalculus
solve the inequality and write the answer using interval notation 50/(x+4)+1<4x

english
Zora's lemon tree produces to mush fruit. she gives them away, therefore to her friends and neighbors.

precalculus
solve the equation in the complex number system x^4+x^3+4x^2+10x-60=0

precalculus
solve the equation in the complex number system x^4+x^3+4x^2+10x-60=0

precalculus
Solve the logarithmic equation. Express your solutions in exact form only. 18e^-x -e^x=7

precal
Find the components and so that fog =H . H(x)=log_3e^x

statistics
Can any sample proportion less than 0.5 be used to support a claim that the population proportion is greater than 0.5?

math
f a stone is tossed from the top of a 330 meter building, the height of the stone as a function of time is given by h(t) = -9.8t2 – 10t + 330, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to the nearest hundre...

precalculus
find the component f and g so that fog =H H(x)=log3 e^x

recalus
find the component f and d , so that fog =H H(x)=log-3 e^x

college math
1500.00

chem
Im not sure how to go about this: Calculate the number of gramms in 0.65 mole of aluminum carbonate?

Physics
Your teacher tosses a basketball. The ball gets through the hoop (lucky shot). Height of hoop= 3.048m height of person= 2.342 m the ball is thrown at 17 m/s at an angle of 46 degress Part 1: How long does it take the ball to reach its max height? Part 2: How long does it take ...

Physics
To win the game, a place kicker must kick a football from a point 20 m (21.872 yd) from the goal, amd the ball must clear the crossbar, which is 3.05 m high, When kicked, the ball leaves the ground with a speed of 16 m/s at an angle of 58.1 degrees from the horizontal. The acc...

algebra
PLEASE HELP ME FIND x/-3 = 3/-2 Thanks!

Chemistry 105
How many mL of O2 will form from 55.2g KClO3?

Math
If you had a fraction strip folded into twelfths, what fractional lengths could you measure with the strip? b. How is your answer in part (a) related to the factors of 12?

Math
7x+6=9x 6=2x x=3 Sam made 7x which is 21 Wilbur made 9x which is 27

Intermediate Algerbra
x=5

math 10
(2^2)^3 you would multiply the exponents so that 2^6 which is 64

Intermediate Algebra
f(0)=-10 y-intercept is (0,-10) f(x)=0=5x-10 10=5x x=2 x-intercept is (2,0)

Calculus
find the limit as x approaches zero of (3sin2x)/sin7x and show work

Algebra 1
first put it in slope intercept form 5x+6y=-12 6y=-5x-12 y=(-5/6)x-2 so: f(x)=(-5/6)x-2

Algebra 1
just change y to f(x) y=2x f(x)=2x

Physics
You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation to find its maximum horizontal range. You shoot the gun straight up, and it takes 3.8 s for the dart to land back at the barrel. What is the maximum horizontal range of your gun?

Physics
An Olympic long jumper is capable of jumping 8.3 m. Assume that his horizontal speed is 9.5 m/s as he leaves the ground. He was in the air for .87 seconds. How high does he go assuming that he lands upright, the same way he was when he left the ground?

Physics
At what projection angle will the range of a projectile equal to 5 times its maximum height?

MBA Practice problems
you are presently involved with a project to establish the cost of the gold presently used in the production of 1000 computer chips per month. each chip uses two grams of 20 ct gold with the remaining portion of a metal whose cost is insignificant. what is the monthly cost of ...

physics
A ball thrown horizontally at 22.3 m/s from the roof of a building lands 31.0 m from the base of the building. How high is the building?

physics
Two boxes of masses 21.6 kg and 28.2 kg sit on a smooth, frictionless surface. The boxes are in contact, and a horizontal force of 68.2 pushes horizontally against the smaller box. What is the acceleration of the two boxes?

Physics
A tether ball of mass 0.25 kg is attached to a vertical pole by a cord 1.4 m long. Assume the cord attaches to the center of the ball. The cord makes an angle of 20° with the vertical. (a) What is the tension in the cord? (b) What is the speed of the ball?

Astronomy/Physics
I cannot calculate the gravitational force between these two objects. I am confused. Jupiter (R=800 million km, M = 2 x 10 to the 27th power kg and a 100 kg person on earth. Please help!

physics
calculate horizontal force that must be applied to 1kg to make 6ounce to make it accelerat on horizontal friction three hour table dropped with same acceleration it would have if it and feel freely

Statisics
35%of adult Americans are regular voters. A random sample of 250 adults in a medium-size college town were surveyed, and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence and comment on your results... Can you show yo...

Physics
is force and normal force the same thing? if not what is the difference. for instancee if a problem said given a force of 20 newtons. would normal force be 20 newtons? please answer !!!!!!!!!

statistics
A random sample of state gasoline taxes in cents is shown here for 12 states. Use the data to estimate the true population mean gasoline tax with 90% confidence. Does you interval contain the national average of 44.7 cents? 38.4 40.9 67 32.5 51.5 43.4 38 43.4 50.7 35.4 39.3 41.4

English (Urgent)
I think it sounds great...:))) Keep up the good work!!

Physics
what equation would I use to find the magnitude of the mass's velocity?

Physics
how do you find the magnitude of the mass's velocity?

Physics
A mass of 18 kg is being pushed up a frictionless incline with a constant force of 20 Newtons directed parallel to the incline, up the incline. At the top of the incline the mass is moving at 23 m/s up the incline. If the angle of inclination is 58 degrees and the height (not ...

calculus
Find constants a and b in the function f(x)=ax^b/(ln(x)) such that f(19)=1 and the function has a local minimum at x=19. What is a and b?

Physics
A mass of 11 kg is placed on a frictionless incline which is inclined at an angle of 69 degrees above the horizontal. It is held in place by a rope which is attached to a wall at the top of the incline. The rope is angled 13 degrees above the direction parallel to the incline,...

Physics
A mass of 8 kg lies on a horizontal, frictionless floor. A force of 72 Newtons pushes to the left (negative x direction) with a force of 72 Newtons. Another force of unknown magnitude pushes the mass in a direction of 21.4 degrees above the positive x axis. The mass is origina...

Physics
A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then released, how long does ...

Physics
A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then released, how long does ...

Physics
A mass of 18 kg is being pushed up a frictionless incline with a constant force of 20 Newtons directed parallel to the incline, up the incline. At the top of the incline the mass is moving at 23 m/s up the incline. If the angle of inclination is 58 degrees and the height (not ...

Physics
A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then released, how long does ...

Physics
A mass of 18 kg is being pushed up a frictionless incline with a constant force of 20 Newtons directed parallel to the incline, up the incline. At the top of the incline the mass is moving at 23 m/s up the incline. If the angle of inclination is 58 degrees and the height (not ...

algebra
The length of a rectangle is 3x + 4/4x^2-4 and and the width is8x − 8/6 the area of the rectangle is a)1 b)2 c)x+1/x-1 d)4 please help!

Physics 1
A mass of 18 kg is being pushed up a frictionless incline with a constant force of 20 Newtons directed parallel to the incline, up the incline. At the top of the incline the mass is moving at 23 m/s up the incline. If the angle of inclination is 58 degrees and the height (not ...

us history
why dont more textbooks have readings on blacks resisting slavery?

science
A race car travels northward on a straight, level track at a constant speed travels 0.756 km in 18.0 s. The return trip over the same track is made in 23.0 s

history
why did the europeans say the indians were uncivilized ?

chemistry
A doctor has ordered that a patient be given 11 of glucose, which is available in a concentration of 60.00 glucose/1000.0 of solution. What volume of solution should be given to the patient?

math
use the digits 0,2,4,6,8 exactly once to form a 3-digit and 2-digit NEGATIVE intfer that will give you the LEAST possible sum when the two intergers are added together.

geometry
Point M is the midpoint of line JK. If JM is 6x-7 and MK is 2x+3 what is JK?

AP Chemistry
A 21.0054 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g) . After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of 19.0732 g. Assumi...

AP Chemistry
In the reaction below, 23 g of H2S with excess O2 produced 9 g of sulfur. ? H2S + ? O2 → ? S + ? H2O . What is the percent yield of sulfur? Answer in units of %

AP Chemistry
For the reaction ? Al + ? CuSO4 ↽⇀? Al2(SO4)3+? Cu a maximum of how many moles of Al2(SO4)3 could be formed from 5.49 mol of Al and 4.09 mol of CuSO4? Answer in units of mol

Chemistry
Not sure of my answers, pls help me out. I have to indicate the kinds of intermolecular forces that occur between the solute and the solvent in which the molecule is most soluble. a) glucose b) naphthalene c) dimethyl ether d) alanine (an amino acid)

math
tom sells 15% of 180 acres to dan for 1,100 an acre .the motrgage finace fees dan must pay are 3% of the total price.how much are the fees

Writing
can someone look at my previous post?

Writing
Ms. Sue im start all over but I dont know how to start my body similaritie paragraph off.

Writing
can someone proofread my writing? Ms.Sue preferably?

Writing
Conflict? That’s the word defines me. Why? I’m always having and issue with someone and it leads to fussing back and forth at each other. In the story, “Interlopers” by Saki and in a conflict I had with my sister we had a lot of similarities and differences...

Phi103
Answers to phi 103 week 5 test

Algebra
solev the compound inequality 2x-9/8<-7 or 2x-9/8>6

Science
According to Peter Saundry there is no true universal code of ethics because standards of conduct vary from place-to-place and time to time. True or false

history
can you please help me writing as i have ready this but not able to make out the specific reasons which lead to shaping Europe

history
how did the Iberian Reconquista figure in shaping modern Europe [Europe after 1500]?

Real Estate Law
For the most part, mortgage loans are made by __________ institutions. (Points: 5) a. lending b. personal c. private 4. government I think its A

history
what factors enabled the Europeans to quickly assert their hegemony over indigenous peoples in the Americas and to compel Eastern potentates to yield to European commercial demands or to accept Western political control?

history
What factors led Atlantic community states to seek ways to access Asian markets by avoiding the Mediterranean late in the 15th and early in the 16th-centuries?

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