Thursday
February 11, 2016

# Posts by Jenn

Total # Posts: 301

math
If it says write the equation, five less than half a number is forty would the answer be 1/2n-5=40
January 7, 2016

Statistic
We thought if we each post a question you would answer our question. This is not a game we need help for our statistics math course before Monday day
November 28, 2015

Statistic
test consists of 10 multiple choice questions with five choices for each question. As an experiment, you GUESS on each and every answer without even reading the questions. What is the probability of getting exactly 7 questions correct on this test?
November 28, 2015

science
A 2.1kg soccer ball is struck with a 45N force for .3 seconds. What is the Frictional force if the ball rolls for 11 seconds before stopping.
November 16, 2015

English
They're different in meaning because in 1, the lady looked up AT the man. So she physically had to look up AT him. In 2, the lady looked up TO the man. As in, I look up TO my brother. He is a great student. So she idolizes him is kind of the meaning.
September 14, 2015

math
ou were named District Manager of the Month at BeBop Records due to a hiring study you conducted. Your study showed that each of 30 salespersons that you supervise average $50,000 in sales each month. Your study also showed that for each new salesperson hired, the average ... July 23, 2015 Math Austin bought a new house. The value of his house is modeled by the function H\left( x \right) = 120000{\left( {1.20} \right)^{\left( {\frac{1}{2}x} \right)}} where x is the number of years since he purchased the house. Looking at the model by what approximate percentage rate ... July 14, 2015 English Among the many marchers included,President Meyers who walked for the fifth time. Is this sentence OK, or how could I fix it? May 2, 2015 Calculus Does the series (cos(k/3))^2/2^(k/3)+1 from k=1 to infinity converge? March 29, 2015 Trigonometry 16 sin^2 x = 16 − 8 cos x Find all solutions of the equation in the interval [0, 2π) March 16, 2015 7th grade geometry When wrapping a present in the shape of a rectangle prism, joe adds an additional 2.5 feet of paper to allow for overlap. How many sq ft does he use to wrap a gift 3.5 ft long, 18 inches wide, and 2 ft high? March 12, 2015 Chem c) Nearly all of the OH- comes from the first ionization. e) The approximations are usually valid because the first ionization constant is usually much larger than the second ionization constant. b) The concentration of OH- and the conjugate acid of the weak base (the anion of... February 27, 2015 science When a fan is turned on it changes electrical energy into blank energy is it ma. Motion b.magnetic c. Gravitational. D. Electromagnetic January 27, 2015 english please help im really stuck,i need help January 20, 2015 english what's the meaning of 1. i've grown certain that the root of all fear is that we've been forced to deny who we are January 20, 2015 english so what exactly does the quote mean exactly? i'm sort of lost January 20, 2015 english what does this quote mean: never underestimate the power of stupid people in large groups please help! January 20, 2015 Physics A person weighing 900 Newtons is standing on snowshoes. Each snowshoe has an area of 2500cm^2. What is the pressure on the snow? January 6, 2015 statistics probability Assume that the thermometer readings are normally distributed with a mean of 0 degrees C and a standard deviation of 1.00 degrees C. A thermometer is randomly selected and tested. The probability of getting a reading between -1.39 degrees C and 1.69 degrees C is ____ December 11, 2014 geometry Satellite Explorer VII, with a = 4465 and b = 4462, and with the center of the Earth being at one of the foci of the ellipse. Assuming the Earth has a radius of about 3960 miles,graph both the orbits of Explorer VII and earths surface on the same axis if the average radius of ... December 10, 2014 Chemistry What is the freezing point of a solution that contains 21.1g of urea, CO(NH2)2, in 305mL water, H2O? Assume a density of water of 1.00 g/mL. December 6, 2014 statistics Describe whether the following study would most likely be “observational” or “experimental”, and why it would be so. A survey examines the preferences for laundry detergent. ***The admissions office wants to estimate the cost of textbooks for students at ... November 22, 2014 Health 2. C 5. A 7. A 13. D 14. D 17. C 19. C October 8, 2014 Managerial Accounting I have a homework problem that asks me to do the following: 1. Prepare a schedule of total cash collections for October through December. 2. Prepare a schedule of total cash disbursements for October through December. 3. Prepare a cash budget for October through December. I ... October 6, 2014 Physics A basketball is thrown horizontally with an initial speed of 4.70m/s . A straight line drawn from the release point to the landing point makes an angle of 30.0 ∘ with the horizontal. What was the release height? October 5, 2014 algebra a squirrel can run at a speed of 20 miles per hour. How many feet per second is this? October 2, 2014 College Algebra Jen recently rode her bicycle to visit her friend who lives 12 miles away. On her way there, her average speed was 10 miles per hour faster than on her way home. If Jen spent a total of 1 hour bicycling, find the two rates. September 30, 2014 Chemistry If a sample of silver carbonate contains 1.75 grams of silver [Ag] atoms, calculate the mass (in grams) it contains of oxygen atoms [O]. September 24, 2014 Math quadratic word problem The base of a triangle is 4cm shorter than twice the altitude, find the dimensions if the area is 80sqcm. this is work x(2x-4)=80 2x squared - 4x=80 2x squared -4x-80=0 (2x 8)(x-10) =0 so x= -8 and x=10 my classmate told me its wrong so can you pls help me., September 16, 2014 Math using quadratic equation The freight train runs 12miles per hour than a passenger train. It runs 65miles in the same time that the passenger train runs 165miles find the rate of each train. I dont really know the formula using quadratic im sorry September 15, 2014 Math using Quadratic equation The area of a square is 196cm2(squared), find the measure of one side. Thank you,, this is my assign. In math1, im using the formula A=s*s but i need to solve this using quadratic equation. September 15, 2014 Chemistry How much energy, in calories, is needed to heat 18 cubic centimeters of fat from 25 degrees Celsius to 35 degrees Celsius? September 3, 2014 algebra A rock is thrown upward with a velocity of 15 meters per second from the top of a 30 meter high cliff, and it misses the cliff on the way back down. When will the rock be 10 meters from the water, below? Round your answer to two decimal places. I am not understanding how to ... August 24, 2014 organic chemistry What is the complete reaction mechanism for the reaction between butanone and methylamine (CH3NH2) with the reaction buffered at a pH of 3.5 and heated. July 28, 2014 alegbra express 5/2 x (1/11 - 1/2) as a single fraction June 20, 2014 alegbra Factor: 3x^2 + 5x - 2 June 20, 2014 Math The numerator of a simple fraction is 2 less than its denominator. The sum of this fraction and its reciprocal is 2 4/35. Find this fraction. May 8, 2014 Chemistry A 495-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 18.1g CO2. What was the concentration of the HCl solution? May 5, 2014 Chemistry What volume of 1.25M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.300M Na2CO3? May 5, 2014 S.S (DAMON) How are natural disaster like hurriccanes and earthquake a threat to biodiversity? A. They destry natual habit March 13, 2014 geometry if the measurement of angle fgk is 3y-4 and measurement of angle kgh is 2y+7 find x February 13, 2014 Geometry Player hits the ball at point A an angle of 45 degrees on a pool table that measures 9’ by 4.5’. How many times will the bait a side of the table before going into a pocket? January 26, 2014 Bus 311 1. Petra contracted to paint Bret’s house for$2,000. After beginning the job, Petra realizes that the house is really quite big, and she’s not going to make enough profit, so she tells Bret she wants another $500 to finish the job. Bret doesn’t want to pay ... January 9, 2014 Business Law 311 #10- There is no contract - Merlin never made an offer December 8, 2013 College Algebra solve the polynomial inequality and graph on number line. express in set interval rotation. Show work x^3 - 3x^2 - 9x + 27 < 0 November 24, 2013 Stats Which of the following statement is true? In testing the hypothesis for the equality of two population proportions, the acceptance region for the null hypothesis will be wider than the confidence interval for two population proportions, assuming the same value of alpha. A 95% ... November 18, 2013 Accounting Describe the mechanisms that WorldCom’s management used to transfer profit from other time periods to inflate the current period. October 5, 2013 Physics At t = 0, an automobile traveling north begins to take a turn. It follows one-quarter of the arc of the circle of radius 9.8 m until, at t = 1.38 sec, it is traveling east. The car does not alter its speed during the turn. September 23, 2013 Chemistry A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 5.8cm . Its mass is 1.5kg . Calculate the density of the metal. September 2, 2013 Science What effect does CRH have on the corticotrophs of the anterior pituitary? June 11, 2013 STATISTICS (a) With n=12 and p =0.4 find the binomial probability that p(9) by using a binomial probability table. (b) np ¡Ý5, nq¡Ü5, also estimate the indicated probability by using the normal distribution as an approximation to the binomial, is np < 5 or nq &... June 2, 2013 Statistics (a) With n=12 and p =0.4 find the binomial probability that p(9) by using a binomial probability table. (b) np ¡Ý5, nq¡Ü5, also estimate the indicated probability by using the normal distribution as an approximation to the binomial, is np < 5 or nq &... June 1, 2013 Statistics women's heights are normally distributed with a mean 63.1 in and standard deviation of 2.5. A social organization for tall people has a requirement that women must be at least 69in tall. What percentage of woman meet that requirement? The percentage of woman that are ... June 1, 2013 Math If you are dealt a 5-card hand from a standard deck of 52 playing cards, what is the probability (rounded to 6 decimal places) that you are dealt at least 4 hearts? May 5, 2013 statistics The sample mean for a recent introductory psychology test was 78, and the sample variance was 9. If a student received a score of 82, what was this student’s z-score? April 19, 2013 Algebra Find the equation with the given properties. Express the equation in slope intercept form. Containing points p=(-4,-2) and Q=(-2,1) What is the equation of the line? y= April 14, 2013 math Sorry The ratio of yellow paint to blue paint is 3 quarts to 2 quarts to make the color green to paint my bathroom. I need a total of 12 quarts of yellow paint? April 6, 2013 math The ratio of yellow paint to blue paint is 3 quarts to make the color green to paint my bathroom. I need a total of quarts of yellow paint. How many quarts of blue paints I need? April 6, 2013 Use the intermediate value Not sure that is why I asked :) March 26, 2013 Use the intermediate value Use the intermediate value theorem to show that the polynomial function has a zero in the given interval. f(x)=9x^4-3x^2+5x-1;[0,1] March 26, 2013 Solve the inequality... Solve the inequality x^2(9+x)(x-9)/(x+7)(x-5) is greater than or equal to 0? March 25, 2013 College algebra Form a polynomial f(x) with real coefficents having the given degree and zeros degree 5; zeros: 5; -i; -9 +i f(x)=a March 25, 2013 Using the remainder use the remainder theorem to find the remainder when f(x) is divided by x - 3. Then use the factor theorem to determine whether x-3 is a factor of f(x) f(x)=2x^3-10x^2+11x+12 March 24, 2013 Solve the inequality Solve the inequality x^2(8+x)(x-9)/(x+4)(x-7) is greater than or equal to 0? March 24, 2013 inequality solve the inequality (x+8)^2(x-4) > 0 March 24, 2013 College algebra Find the vertical, horizontal, and qblique asymptotes, if any, for the following rational function. T(x)=x^2/x^4-256 March 24, 2013 Algebra Find the following function f(x)=(x+3)^2(x-1)^2 (a)Find the x and y intercept of the polynomial function f. (b) Determine whether the graph of the f crosses or touches the x-axis at each x intercept. (c) Put all the information to obtain the graph of f. March 24, 2013 Algebra Use completing the square to describe the graph of the following function. Support your answer. f(x)=-2x^2+4x+1 March 24, 2013 Algebra Find the vertical, horizontal, and oblique asymptotes, if any, for the following rational function. T(x)=x^2/x^4-256 March 20, 2013 Algebra Determine the quadratic function of f whose vertex is (2,-1) and passes through (3,1) f(x)= March 19, 2013 Use completing the square to... Use completing the square to describe the graph of the following function support your answer graphically. f(x)=-2x^2+4x+1 March 19, 2013 Quadratic function Determine the quadratic function f whose graph is given. The vertex is (-3,-13) and the y-intercept is -4 f(x)= March 19, 2013 math I have an average of 66.67 i need a 70percent to pass the class, what do i need to get on thenext test? March 18, 2013 math I have an average of 66.67 i need a 70percent to pass the class, what do i need to get on thenext test? March 18, 2013 Given the following rational function Given the following rational function, find a) the horizontal asymptote(s), b) the vertical asymptote(s), if any, and c) the oblique asymptote(s), if any. F(x) = x^2-x-2/2x^2-x-2 March 16, 2013 Please help! quadratic equation Given the following quadratic equation find. a) the vertex b) the axis of symmetry c) the intercepts d) the domain e) the range f) the interval where the function is increasing g) the interval where the function is decreasing h) graph the function y= -x^2-6x March 16, 2013 Determine without graphing I needed help learning how to find the value. March 15, 2013 Determine without graphing Determine without graphing, whether the given function has a maximum value and then find the value. f(x)=3x^2+30x-1 March 15, 2013 College algebra Determine without graphing, whether the given function has a maximum value and then find the value. f(x)=3x^2+18x-6 March 15, 2013 College algebra! For the linear function f(x) = 5x + 3 (a) Determine the slope and y-intercept (b) Use the slope and y-intercept to graph the linear function. (c) Determine the average rate of change of the function (d) Determine whether the linear function is increasing, decreasing, or constant. March 15, 2013 College algebra Answer the questions about the following functions. f(x) = 14^2/x^4 + 49 (a) Is the point (-sqrt 7,1) on the graph of f? (b) If x=1, what is f(x)? What point is on the graph of f? (c) If f(x)=1, what is x? what point(s) are on graph of f? (d)What is the domain of f? (e) list ... March 14, 2013 Algebra If you bought 6 pears and 20 oranges and then bought 11 pears and 12 oranges and spent the same each time, how much do oranges cost if the pears are 80 cents each? February 27, 2013 Math Nata spent$28 on 2 DVDs. At this rate, how much would 5 DVDs cost?
February 11, 2013

math
Suppose 8 out of every 20 students are absent from school less than five days a year. Predict how many students would be absent from school less than five days a year out of 40,000 students.
February 11, 2013

Math
A survey reported that out of 50 teenagers, 9 said they get their news from a newspaper. At this rate, how many out of 300 teenagers would you expect to get their news from a newspaper?
February 11, 2013

Science
trying to lift an 8-N load that is attached to a fixed 2 pulley system. Hands move a distance of 1.6m while the load moves 0.8m, what is the force required to lift the load? I am thinking the the answer is 1.6 divided by 0.8 am i on the right track? what is the formula for ...
February 6, 2013

science
Roughly how many times does earth rotate during each complete revolution? A. 24 B. 28 C.60 D.365 +++ is
January 29, 2013

science
Roughly how many times does earth rotate during each complete revolution? A. 24 B. 28 C.60 D.365
January 29, 2013

Microbiology
Discuss some of the physical and chemical factors involved in the composition, and in the preparation, of a culture medium. Nutrient ingredients: ___________________________________________________________ ___________ pH and buffering: ...
January 18, 2013

Physics
A bell with a fundamental frequency of 880 Hz is moving toward an observer at 3.5 m/s. If the speed of sound is 343 m/s, what pitch would be heard by the observer
January 2, 2013

calculus
If a bone is found to have 20% of its normal amount of carbon 14, how old is the bone?
December 9, 2012

calculus
If a bone is found to have 20% of its normal amount of carbon 14, how old is the bone?
December 9, 2012

physics
A force in the +y direction applied at the point x=2.3m,y=1.4m gives rise to a torque of 39n*m about the origin. Find the magnitude of the force.
November 16, 2012

physics
A 50 kg uniform ladder, 5.0 m long, is placed against a smooth wall at a height of h = 3.7 m. The base of the ladder rests on a rough horizontal surface whose coefficient of static friction is 0.40. An 80 kg block is suspended from the top rung of the ladder, just at the wall...
November 16, 2012

Algebra 2
I need help, and I can't find the answer. Can you explain how to do this please? I don't want the answer only, I need to know the answer, and how to find it. Thank you!! 9. What is the equation of the absolute value function? (1 point) y = 6|x + 2| –2 y = 6|–...
September 25, 2012

Physics
A ball is thrown upward from the top of a 24.6 m tall building. The ball's initial speed is 12 m/s. At the same instant, a person is running on the ground at a distance of 31.2 m from the building. What must be the average speed of the person if he is to catch the ball at ...
September 23, 2012

chemistry
What is the specific heat of a metal if 24.8 g absorbs 65.7 cal of energy and the temperature rises from 20.2 degrees celsius to 24.5 degrees celsius?
September 4, 2012

writing
Are the following properly referenced in APA format? And if not please fix them accordingly. American Psychiatric Association(2000) Diagnostic and Statistical Manual of MentalDisorders DSM-IV-TR. Barkley R.A. (2006) Attention-Deficit Hyperactivity Disorder: A Handbook for ...
July 21, 2012

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