Questions Asked on
March 7, 2015

Math Ms.Sue
Scientists estimate the rate of a wildebeest running at full speed to be 66 feet per second. Write a function rule to describe the relationship between the time, t, and the distance, d,a wildebeest travels when running at full speed. t = 66d 66 = d • t d
asked by SmartyPants 
science
A construction worker is using his weight to keep a stationary stack of wooden beams from falling. If the construction worker uses 689.0 N of force to hold 10 beams stationary against a wall, how much work does he do? (1 point) 0 J 0.0150 J 68.9 J 6,890 J
asked by Oscar 
Math (Help)
When baking a cake, you have a choice of the following pans: a round cake pan that is 2 inches deep and has a 7 inch diameter a 6 inch × 9 inch rectangular cake pan that is 2 inches deep a. Which of these pans has the larger volume? Justify your answer.
asked by SmartyPants 
Math
A gift box is 15 inches long, 10 inches wide, and 3 inches high. How much wrapping paper is needed to wrap the gift box? 225 in.2 450 in.2 525 in.2(my answer) 650 in.2
asked by SmartyPants 
Physics
A car comes to a bridge during a storm and finds the bridge washed out. The driver must get to the other side, so he decides to try leaping it with his car. The side the car is on is 19.5m above the river, while the opposite side is a mere 1.6m above the
asked by Kevin 
Math
Alex needs to buy compressed air to fill 5 empty cylindrical tanks for his tire store. Each tank is 12 feet deep and has a radius of 6 feet. What is the volume of compressed air needed?
asked by SmartyPants 
Physics
A 0.02 kg ball moving to the right at 0.25 m/s makes an elastic headon collision with a 0.04 kg ball moving to the left at 0.15 m/s. After the collision, the smaller ball moves to the left at 0.16 m/s. What is the velocity of the 0.04 kg ball after
asked by Please help 
statistics
The mean cost of domestic airfares in the United states rose to an alltime high of $385 per ticket
asked by spha 
astronomy
The peak luminosity of a white dwarf supernova is around 10^10LSun and it remains above 10^8LSun for about 150 days. In comparison, the luminosity of a bright Cepheid variable star is about 10000LSun.The Hubble Space Telescope is sensitive enough to make
asked by Landy 
maths
there are 104 students in class 10th and 96 students in class 9th in a school .in a house examination the students ate to be evenly seated in parallel rows such that no two adjacent rows are of the same class. (a) find the maximum number of parallel rows
asked by ritik 
Chemistry :/
Experiment 1 results: mass of crucible 88g mass of hydrate 93g mass of salt 91.196g 1. Calculate the following: a:mass of water in the hydrate sample (g) b:number of moles of water in the sample c:mass of pure salt in the sample (g) d:number of moles of
asked by Leanna 
English 2
is "The Poetic Interpretation of the Twist" by Cornelius Eady a literature poem ?
asked by Ciaria 
physics
A car A is going northeast at 80km/h and another car B is going southeast at 60km/h. The direction of the relative velocity of A with B makes an angle of x with north find x
asked by shubham 
Ms.Sue! Math
A DVD store charges $4.70 for each day, d, a DVD is rented. The store also gives you a dollar off if the DVD is returned before 5 days a. Write a rule to represent the rental charges C. b. How much will you pay if you return the DVD after 4 days? 7 days? C
asked by SmartyPants 
Science
When the energy of a light wave is transferred to a particle and causes it to vibrate and generate heat the energy of the light wave is A. Absorbed B. Reflected C. Refracted D. Transmitted Is the answer A? Thank you
asked by Anonymous 
Physics
A volleyball is served at an angle of 35 degrees with an initial speed of 5 m/s. What is the maximum height reached by the ball?
asked by Please help 
algebra
Sheila is climbing on a ladder that is attached against the side of a jungle gym wall. She is 5 feet off the ground and 3 feet from the base of the ladder, which is 15 feet from the wall. How high up the wall is the top of the ladder?
asked by chrissy 
chemistry
Liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 43.9 g of hexane is mixed with 57. g of oxygen. Calculate the minimum mass of hexane that could be left over by the chemical reaction. Round your
asked by Natasha 
statistics
A coin mint has a specification that a particular coin has a mean weight of 2.5 g. A sample of 39 coins was collected. Those coins have a mean weight of 2.49491 g and a standard deviation of 0.01372 g. Use a 0.05 significance level to test the claim that
asked by slomomo 
Probability
Let A,B,C be three events and let X=IA, Y=IB, Z=IC be the associated indicator random variables. We already know that X⋅Y is the indicator random variable of the event A∩B. In the same spirit, give an algebraic expression, involving X, Y, Z for the
asked by qwerty 
Physics
A football is kicked at an angle of 40 degrees with an initial speed of 7 m/s. What is the horizontal distance traveled by the ball?
asked by Please help 
Physics
A frisbee is thrown horizontally with a speed of 12 m/s. If the frisbee moves a horizontal distance of 15 m, how long will it stay in the air?
asked by Please help 
Physics
Your parents have just bought you a new Canon digital camera. You wish to show your friends a picture of it, but you have no other cameras in the house. So you decide to stand 1.5 m in front of a flat mirror. For what distance should you focus your camera
asked by Anonymous 
chemistry
A scientist measures the standard enthalpy change for the following reaction to be 172.4 kJ : 2SO2(g) + O2(g) 2SO3(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of SO2(g) is
asked by jojo 
Math
80 boys took the examination in the three subjects: Chinese, English and Mathematics, and none of them failed in all three subjects. It was noted that 8 passed in English only and 10 passed in Mathematics only; 7 passed in Mathematics and Chinese but not
asked by Jiskhans 
physics
A body accelerate from rest at (2m/s square) calculate its velocity after travelling 9m
asked by Mayowa 
Physics
A 7500kg rocket blasts off vertically from the launch pad with a constant upward acceleration of 2.20m/s2 and feels no appreciable air resistance. When it has reached a height of 595m , its engines suddenly fail so that the only force acting on it is now
asked by Kevin 
please help
Suppose Tyler sprayed around the house for ants. Which formula would be used to find the number of ants still alive after a certain time if the number of ants was changing exponentially? a. a = P(o.56)^t b. y = mx + b c. a = x d. a = P(1.23)^t
asked by Meredith Grey 
math word problem
Martha earns $8.76 per hour at her job. Last week, she worked for 32.5 hours. On average, if Martha worked 5 days last week, how much did she earn each day?
asked by anonymous 
math
A retailer planned to buy some computers form a wholesaler for a total of shilling 1,800,000. Before the retailer could buy the computers the price per unit was reduced by shilling 4,000. This reduction in price enabled the retailer to buy five more
asked by John 
Elemements of Math
Little Caesar's Pizza had a commercial on television that claimed you could buy one pizza and get another one free, with up to 5 toppings per pizza (do not count the pizza sauce or the cheese as a topping). The dialogue on the commercial went something
asked by Zoe 
Probability
Consider three random variables X, Y, and Z, associated with the same experiment. The random variable X is geometric with parameter p∈(0,1). If X is even, then Y and Z are equal to zero. If X is odd, (Y,Z) is uniformly distributed on the set
asked by qwerty 
Business Statistics
The following tables shows the hourly wages of all workers in a certain hospital. Determine the pearsonian coefficient of skewness (population data). Hourly wages frequency 9099 5 100109 9 110119 5 120129 7 130139 5 140149 3 My answers: mean = 116.56
asked by rianne 
Probability
A fair, 6sided die is rolled 6 times independently. Assume that the results of the different rolls are independent. Let (a1,…,a6) denote a typical outcome, where each ai belongs to {1,…,6}. Find the probability that the results of the 6 rolls are all
asked by qwerty 
physics
A billiard ball moving at 4.0 m/s strikes a pair of billiard ball at rest. One of the ball moves off at 2.0 m/s in a direction 60 degrees from the line of motion of the first ball and the other moves off at 3.0 m/s in a direction 30 degrees from the line
asked by kezuya 
statistics
Suppose IQ scores were obtained from randomly selected twins. For 20 such pairs of people, the linear correlation coefficient is 0.876 and the regression line is yhat = 11,76 + 0.89x, where x represents the IQ score of the twin born second. Also,the 20x
asked by slomomo 
physics
A rigid tank having a volume of 0.100 m3 contains helium gas at 155 atm. How many balloons can be inflated by opening the valve at the top of the tank? Each filled balloon is a sphere 0.300 m in diameter at an absolute pressure of 1.15 atm. (Remember that
asked by Anonymous 
Criminal Justice/Probation & Parole
Each of the following statements is true about the indeterminate sentence except: A. it originated at Elmira Reformatory. B. it requires the use of a parole board. C. it was not popular during the Great Depression. D. it usually involves a minimum and a
asked by Pat 
English
“Nature is bountiful, which is why logging should be strictly regulated.” Which logical fallacy is illustrated in this sentence? A. Ad hominem B. Non sequitur C. Post hoc ergo propter hoc D. Red herring
asked by jb 
physics
a brass rod is 2 m long at a certain temperature. what is its length for a temperature rise of 100 K, if the expansivity of brass is 18 *10^6K1?
asked by Edward 
chemistry
A sample of tin (Cp = 0.227 J/g•°C) is placed in a freezer. Its temperature decreases from 15.0°C to −10.0°C as it releases 543 J of energy. What is the mass of the sample?
asked by Kitty 
math
The graph of f(x) = x is transformed to g(x) = x + 1 – 7. On which interval is the function decreasing? A) (–∞, –7) B) (–∞, –1) C) (–∞, 1) D) (–∞, 7) I put D but i'm not sure if it right
asked by Kitty 
Chemistry
Experiment 1 results: mass of crucible 88g mass of hydrate 93g mass of salt 91.196g 1. Calculate the following: a:mass of water in the hydrate sample (g) b:number of moles of water in the sample c:mass of pure salt in the sample (g) d:number of moles of
asked by Leanna 
Math
In a group of girls, 20 play volleyball, 21 play badminton and 18 play table tennis; 7 play volleyball only; 9 play badminton only; 6 play volleyball and badminton only and 2 play badminton and tabletennis only. a)How many play all three games? b)How many
asked by Jiskhans 
math
A cylindrical piece of wood of radius 4.2 cm and length 150 cm is cut length rise into two equal pieces. Calculate the surface area of one piece
asked by kudu 
Physics
Carl hits a 0.05 kg golf ball giving it a speed of 65 m/s. What impulse does he impact to the ball?
asked by Please help 
art
A piece of japanese armor was once used to protect the heads of soildiers this work has since been replaced by twentyfirst century fighting gear but the original armor is on in a museum this change over time is a example of
asked by rome 
accounting
A company purchased merchandise inventory at a cost of $8,500 with credit terms 2/10, net 60. If the company borrows $8,330 to pay for the purchase on the last day of the discount period and pays the loan plus interest in the amount of $8,466.93 on the
asked by dee 
Math
I know someone has posted this question before but didn't get an answer so sorry for the post. The boxandwhisker plots show data for the test scores of four groups of students in the same class. Which plot represents data with the greatest range of
asked by Anonymous 
Dynamics of machinery
1. a flywheel is making 180 r.p.m and after 20 second it is running at 140 r.p.m. how many revolutions will it make, and what time will elapse before it stop, if the retardation is uniform?
asked by Rafiqi 
addmath A.P.
Tn=3n2 Find the first term,a;the common difference,d;and then find the 5th term.
asked by mandy 
PreCal
Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = (x7)/(x+3) and g(x) = (3x7)/(x1) I got to the point where f(g(x)) is plugged in but how would I simplify it? (((3x7)/(x1))7)/(((3x7)/(x1)+3)
asked by Michaela 
Bar graph?
I need to create a bar graph for a retail store I created that sells clothing for men, women, kids, etc. I already made a circle graph, frequency table, and line graph to show my stores budget and what customers favorite items are, and the frequency of how
asked by Giovanna 
Satistic help Please
The population of California is approximately 38 million. If you were in charge of making license plates for California, describe the method you would use to ensure you would have enough license plates. Assume that you may use letters and numbers to create
asked by Jenifer 
Psychology
Martina heard the noise, but could not understand what was being said. Perhaps it was simply the humming of the machines that she heard? She was uncertain whether she should move toward or away from the sound. Martina is having difficulty with? A.
asked by Brooke 
indian ridian ridge
Simplify the given expression to rational exponent form and justify each step by identifying the properties of rational exponents used. All work must be shown. 1/cubed root of x to 6 exponent
asked by dylan 
math
The distance between towns M and N is 280 km. A car and a bus travel from M to N. The average speed of the bus is 20 km/h less than that of the car. The bus takes 1 h 10 min more than the car to travel from M and N. (a) If the speed of the bus x km/h ? car
asked by kudu 
Math
Mike and Lani stand 21.2 meters apart. From Mike’s position, the angle of elevation to the top of the Eiffel Tower is 40°. From Lani’s position, the angle of elevation to the top of the Eiffel Tower is 38.5°. How many meters high is the Eiffel Tower?
asked by Anonymous 
Math
a scale drawing of a rectangular field is 10 centimeters by 8.5 centimeters. If the actual field has a dimension of 40 meters by 34 meters which could be the scale used for the drawing? a. 0.5cm = 16m b. 0.5 cm = 8m c. 0.5 cm = 4m d. 0.5 cm =2m I
asked by Rico 
math
If a $5000 piece of equipment depreciates at a rate of 5% per year, how much will it be worth after 5 years? is it $3,868.9?
asked by Meredith Grey 
math
Point T is the midpoint of a straight line AB. Given the position vectors of A and T are i  j + k and 2i + 1 ½ k respectively, find the position vector of B in terms of i, and k
asked by kudu 
Statistics
If a mother has three bananas, two pears, and two oranges, in how many different ways can she give the fruit to her daughter in one week, one piece of fruit per day?
asked by Jenifer 
Physics
Kaitlin is going off to her physics class, jogging down the sidewalk at a speed of 3.30m/s . Her husband Scott suddenly realises that she left in such a hurry that she forgot her sandwich, so he runs to the window of their apartment, which is a height
asked by Kevin 
physics
A black and tackle with a velocity ratio of 5 is used to raise a mass of 25kg through a vertical distance of 40cm at a steady rate.if the effort is equal to 60N, determine a. The distance moved by the effort b. The work done by the effort in lifting the
asked by abubakar 
math
John bought a new car for shilling 800,000. After 5 years, he sold it through a secondhand car dealer. The dealer charged a commission of 4% for the sale of the car. If John received shillings 480,000, calculate the annual rate of depreciation of the car.
asked by John 
math
Two towns P and Q are 400 km apart. A bus left for P and Q. It stopped at Q for one hour and then started the return to P. one hour after the departure of the bus from P, a trail also heading for Q left P. the trailer met the returning bus ¾ of the way
asked by kudu 
Geometry
Horizon has a cell phone plan for $28.00 per month plus $.30 per minute with unlimited anytime network minutes and a free flip phone for new customers. How do I put this in an equation. Sprint has a plan for $30.00 per month plus $.029 per minute unlimited
asked by Marita C 
physics
how much force is required to stop a 100 mi/hr fastball? Assume the catcher's mitt stops the ball in 1 millisecond and the mass of a baseball is 145 g.
asked by george 
Criminal Justice/Parole & Probation
All of the following statements are correct about "good time" except: A. good time serves to control inmate misconduct. B. good times refers to recreation and meal times in prison. C. good time does not use threats of additional punishment as an incentive
asked by Pat 
Microeconomics
In the shortrun function of a company with a constant variable cost is given by the equation q=225+55q,where TC is the total cost and q is the total quantity of output,both measured in thousands.1.what is a company's fixed cost?2.if the company produced
asked by Grace pebetse 
Matrix
If A=(aij) and B=(bij) are arbitrary square matrices of order 2, show that AB=AB? I don't understand how to start this question. What is the question even asking?
asked by Anonymous 
Education/College level
National Education Technology Standards: NETS for Teachers. 1. Facilitate and Inspire Learning and Creativity. b. engage students in exploring realworld issues and solving authentic problems using digital tools and resources. What skills and competencies
asked by Cathy 
physics
wo vectors A⃗ and B⃗ have magnitude A = 3.02 and B = 3.03. Their vector product is A⃗ ×B⃗ = 5.05k^ + 2.06 i^. What is the angle between A⃗ and B⃗ ?
asked by Kevin 
Criminal Justice/Probation & Parole
Sir Walter Crofton: A. established the "Irish System" that influenced the use of parole in the United States. B. was influential in the movement to establish a police force for the city of London. C. agreed with the classical approach to criminals. D.
asked by Pat 
Math
Predict how many times a six sided die will land on the six if you roll it 24 times? Thank you!
asked by Tina 
Physics
A 0.2 kg ball moves to the right with a speed of 3 m/s. It hits a 0.5 kg ball that at rest. After collision, the second ball moves to the right with a speed of 1 m/s. What is the speed of the first ball after collision?
asked by Please help 
Maths
How fast was Calvin driving if he covered 50 km in 45 minutes? Round off your answer to the nearest whole number. Your answer should be in km/h [Hint: use the formula: speed=distance /time]
asked by Samkelisiwe Petunia Mthombeni 
algebra
What function is represented by the cost of cell phone service that charges abase amount plus $.20/min?
asked by Becky 
Sosiology
1. What is the Bully 2. What is the cause someone could be bullied?
asked by Bella 
chemistry
why doesnt the radius ratio rule work for TlCl3??? the division would be the radius of the cation / radius of the anion. For Tl3+ and Cl...88pm/181pm = .49 which would correspond to a 'zinc blende' crystal structure and not a CsCl type crystal as the rest
asked by matthew 
english
paul was sad when the football burst
asked by Ann 
Maths literacy,life science,physical science,consu
what career I can follow with this subjects?
asked by Anonymous 
math word problem
A high school student created a remote control car that can travel 66 feet in 6 seconds. Express as a unit rate A. 11 feet/sec B. 66feet/sec C. 11sec/feet D. 6 feet/sec
asked by anonymous 
statistics
I need help, I am trying to figure out the critical value of my homework and I am having a great deal of trouble. if z= 1.69 p = .0455 What is the critical value(s) , is/are z =?
asked by phyllys 
Probability
A binary communication system is used to send one of two messages: (i) message A is sent with probability 2/3, and consists of an infinite sequence of zeroes, (ii) message B is sent with probability 1/3, and consists of an infinite sequence of ones. The
asked by qwerty 
statistics
In the population, the average IQ is μ = 100 with a standard deviation of σ = 15. A team of scientists wants to test a new medication to see if it has a positive effect on intelligence. A sample of n = 10 participants who have taken the medication has a
asked by sam 
English
What does the proverb 'you catch more flies with honey than you do with vinegar' mean?
asked by Samkelisiwe Petunia Mthombeni 
English
Is the Midwest vs South a good compare and compassion essay
asked by m 
math
Verizon has a cell phone plan for $28.00 per month plus $.30 per minute with unlimited anytime network minutes and a free flip phone for new customers. How do I put this in an equation. Sprint has a plan for $30.00 per month plus $.029 per minute unlimited
asked by Marita C 
economic
What is accounting terms according to the opinion of American Accounting Association (AAA)?
asked by jeyson 
physics
skater has a mass of 45 kg and is at rest. skater 2 has a mass of 50 kg and is moving along at a constant velocity of 3.2 m/s East. skater 3 has a mass of 75 kg and is moving quickly at a constant velocity of 9.6 m/s East. which state experiences the
asked by ella 
math
Give that x is angle in the first quadrant such that 8sin 2x + 2cosx – 5 = 0 Find: cosx tanx
asked by kudu 
Force
Lever is 15 feet long rock is 150 lbs folcrum is 12 feet from the rick how much force is exerted
asked by Anonymous 
Math
Find the first five terms: a sub 1 = 4 and a sub n = 0.5a sub (n  1) + 1 Are they 3, 2.5, 2.25, 2.125, and 2.0625?
asked by Anonymous 
Math ASAP
Verizon has a cell phone plan for $28.00 per month plus $.30 per minute with unlimited anytime network minutes and a free flip phone for new customers. How do I put this in an equation. Sprint has a plan for $30.00 per month plus $.029 per minute unlimited
asked by Marita C 
SAT Math
If x and y are positive integers, which of the following could be equal to 3x+ 4y? The answer is 10, but not sure on how to get the answer? Also, is there a short cut to get to the answer without taking a lot of time on the SAT to work this type of problem
asked by Student 
english please help me! i'm afraid incorrect
Arrange the words into correct sentences! 1. kimono  have  you  worn  a  ever ? 2. house  in  twenty  parents  same  have  my  lived  over  the  for  years 3. with  you  have  done  books  my  what ? 4. has  the  lately  weather 
asked by mika 
English
Which sentence most clearly exhibits bias? A. The professor’s points appear to be based on outdated research. B. If my argument is true, Blake’s argument is clearly false. C. Few would disagree that poor people are incapable of rational thinking. D.
asked by jb 
Computer Science
For this task you will create a program that prints out a userspecified string. Then, on the next line, it prints out the string again, all except the last character. It continues printing the string with one less character on each line, until the last
asked by Science Java 
Math ASAP
2, 1,1/2 , 1/4 , . .. arithmetic geometric both neither I don't know how to solve it?
asked by SmartyPants 
Math
At & T has a cell phone plan of $25.00 a month plus 30 cents per minute. There is a one year contract wit a new phone for $19.99 Can someone put this into a equation for me.
asked by Jessica 
Math 112
A student wants to know why, if we can define 0! as 1, we cannot define 1 over 0
asked by Juddy 
math
1 2/3 add 2 8/9 then divide the answer by 3. 1 2/3 add 2 8/9= 7/3 add 26/9= 21/9 add 26/9=47/9 I got that bit I just don't know how to divide
asked by remi 
math
79.9% of 10,034.. and can someone please explain how to do these.
asked by Meredith Grey 
Maths
If 192;x;y;3 form a geometric progression, calculate the value of x and y.
asked by Zikhona 
Math
Two parallel resistors have resistances R1 and R2. If the total resistance is R, then 1/R = 1/R1 + 1/R2. R1 is increasing at 0.04 ohm/sec,and R2 is decreasing at 0.03 ohm/sec. How fast is the total resistance changing at the moment that R1 is 3 ohms and R2
asked by Anonymous 
english
yesterday I had homework. Um.. so, question is: what is the difference between the english language British with english language USA? ya, I really don't know what's the difference?
asked by anonymous 
Math
Mike was voted Most Valuable Player for 2 out of 5 seasons. What is the probability that Mike will be Most Valuable Player this year? I thought the answer would be 40%, but I'm not sure. I wasn't sure how to include this year in with the past 5 years or
asked by Tina 
Algebra
What is pointslope form?
asked by Anonymous 
math
What is 100+91x3+94+93+82+89/8?
asked by NOYB 
Maths literacy,life science,physical science,consu
what careers I can follow with this subjects?
asked by nomaphelo 
Geo
What is state that only 2 seasons????
asked by ROGER 
Math
Mike was voted MVP for 2 out of the past 5 seasons. What is the probability that he will be MVP this year? Thank you!
asked by Tina 
Math
Katy just brought a brandnew 2009 Toyota Camry Hybrid FOR $30,000. Her car was traded in for $16,000. What fraction of the purchase price was not covered by the tradein? 30,000 16,000 = $14,000.is the amount not covered. Can you tell me what method to
asked by Rachel 
algebra
32.8% off of 106
asked by Meredith Grey 
math
1.find: 32 out of 110 in percentage 2.find: 41 out of 40 in percentage
asked by Meredith Grey 
arabic!!!
3. مَا .......... ياَ أَخِي ؟ إِسْمِي سَالِم أ. إِسْمُكِ ب. إِسْمُهُ ج. إِسْمُكَ د. إِسْمُهاَ
asked by anon 
math
find integral exp(x)x^2
asked by assma 
Math
A military plane maintains an altitude of 15,000 feet over a vast flat desert. It flies at a constant speed on a line that will take it directly over an observer on the ground. At noon, the angle of elevation from the observer’s shoes to the plane is 30
asked by Jane 
geography
Explain the rise in sea level due to global warming? With your opinion, please!
asked by zaky