Questions Asked on
September 12, 2015

phyics
Suppose a runner completes one lap around a 400m track in a time of 50 s. Calculate the average velocity of the runner. Express your answer in meters per second to the nearest integer.
asked by shelby 
science
Suppose you are hiking along a trail. Make a comparison between your displacement and your distance traveled. Check all that apply. Your displacement must be less than your distance traveled. Your displacement must be greater than your distance traveled.
asked by sarah 
Maths
A shopkeeper purchases 50 dozen eggs at Rs. 16 per dozen. Of these 40 eggs were found to be broken. At what price should he sell the remaining eggs in order to make a profit of 5%?
asked by Arundati 
Calculus 1
A particle moves along a straight line with equation of motion s = f(t), where s is measured in meters and t in seconds. Find the velocity and speed when t = 5. (Round your answers to two decimal places.) f(t) = t^−1 − t *We havent learned derivative
asked by TayB 
Chemistry Lab
Suppose that you used 0.75g of iron. What is the minimum volume of 1.5 M_ CuSO4 solution required Using eqn. (31)? and eqn. (32)? (31) Fe(s) + Cu^2+ (aq)  Fe^2 (aq)+ Cu (s) (32) 2Fe(s)+ 3Cu^2+(aq)  2Fe^3+ (aq) +3Cu (s)
asked by Liza 
phyics
Four cars undergo acceleration as described by the data in the following table. Car Initial Velocity (m/s) Final Velocity (m/s) Time period (s) A 2.0 11.0 3.0 B 5.0 3.0 2.0 C 1.0 5.0 2.0 D 0.0 25.0 10.0 Rank the accelerations from most positive to most
asked by sharon 
physic
Suppose a runner completes one lap around a 400m track in a time of 50 s. Calculate the average speed of the runner. please explain process
asked by rachel 
maths
a small ant climbs 3cm in 1 minute but slips down 2cm. how much time will it take to climb 4cm
asked by ritvik 
music and movement
What is the correct developmental sequence of nonlocomotor skills starting from first learned?
asked by elisha 
Magoni secondary school
accounting. economic. business studies n maths literacy if am doing those subject wch career can l get plz help me
asked by Sandra mukwevho 
Chemistry
Suppose that you used 0.75g of iron. What is the minimum volume of 1.5 M_ CuSO4 solution required Using eqn. (31)? and eqn. (32)?
asked by Liza 
Physics
A rescue helicopter drops a package of emergency ration to a stranded party on the ground. If the helicopter is travelling horizontally at 40m/s at a height of 100m above the ground, what are the horizontal and vertical component of the velocity of the
asked by Ramla 
algebra
The sides of a square are three to the power of two sevenths inches long. What is the area of the square? nine to the power of four sevenths square inches three to the power of four sevenths square inches three to the power of the fraction four over forty
asked by oscar 
Government
What is meant by “standards of justice have not always been met”? Provide examples of some efforts that have been made to reach the goals of justice at all?
asked by Rachel 
phyics
Consulting the graph shown in (Figure 1) , determine the object's average velocity over the time interval from 2 to 4 seconds. Express your answer in meters per second to the nearest integer. Position versus time graph for an object traveling with a
asked by Rachel 
music and movement
a child's strength and balance which allows the child to walk early is considered what type of constraint
asked by elisha 
math
Austin is creating a new trail mix by combining two of his bestselling blends. A pineapplecoconutmacadamia (pcm) mix that sells for $18/kg and a bananapapayapeanut (bpp) mix that sells for $10/kg. Write
asked by sarah 
Trigonometry
a pizza has a diameter of 18 inches and it's divided into 8 equal parts, and you take one slice of it. what is tha central angle of your share in mills measurements? with a solution
asked by Jen 
Duck Ponds High School
1.Identity four environmental issues that cause illhealth to Madadeni community in Newcastle. 2.choose one issue from list as your topic and provide two brief descriptions of the issue. 3.Illustrate three ways how this issue can impact negatively to the
asked by Mayenziwe Mvelase 
alGEBRA 1
the ratio of lemon juice to water in lemonade is 3:7 ,. if 9 cups of water aer used to make a pitcher of lemonade , how many cups of lemon juice are needed
asked by sasha 
PHYSICS
a 2500kg car is travelling at 20 m/s around a road curve of radius 200 m. Find the central force acting on the car?
asked by Princess Blabla 
algrebra
In a recent pancake eating contest, Phil ate three less than twice as many pancakes as Sara. Together they combined to eat 15 pancakes. How many pancakes did they each eat?
asked by elia 
chemistry
If a rectangular solid has a mass of 59.345 g and measures 10.05 cm by 5.20 cm by 1.25 cm, what is the density of the solid?
asked by Dan 
osizweni
Math,busi age is three time the age if vusi.in six years time their combine age is 18 .what are their ages now
asked by mphile 
PHYSICS
A wheel of radius 1.5 m rotates at a uniform speed. If a point on the rim of the wheel has a central acceleration of 1.5 m/s ^2. what is the point's tangential speed?
asked by Princess Blabla 
Physics
A person exerts a force of 90 N on a rope that pulls a sled across a very smooth surface. The rope is oriented 37∘ above the horizontal. The sled has a total mass of 40 kg . The sled starts at rest and moves for 10 m.
asked by Alex 
Math
The Snack Shack is making a batch of trail mix. They use 9 1/3 pounds of granola, 9 1/3 pounds of mixed nuts, and 9 1/3 pounds of yogurt raisins to make a trail mix. They divide the mixture into 14 packages. How much is in each package? Explain.
asked by Horrid at math 
college algebra
A car salesperson's annual income depends on the amount of his sales. His annual income is a salary of $11500 plus 12% of his annual sales. Write a linear equation for his annual income for sales of x dollars. ( I = mx + b ). 11500=I i Don't know what is
asked by JTR 
math
The number of my hundreds plus the number of y thousands is 3.the number of my tens is 7 times the number of my hundreds.the number of my ones in 3 times the number of my thousands.all my digits are different.What number am i?
asked by maria 
Children Development
Describe and give examples of changes in your child’s exploratory or problem solving Behavior from 8 through 18 months and categorize them according to Piagetian and Information processing theories. What does this question mean?
asked by M 
PHYSICS
A car with a uniform speed of 60km/h enters a circular flat curve whose radius is .50 km. If the friction between the road and the car's tires can supply a central accekeration of 1.25 m/s^2, dies the car negotiate the curve safely? Prove your answer.
asked by NotYourTyn 
physics
A stone is dropped from the top of a tower 400 m high and at the same time another stone is projected upward vertically from the ground with a velocity of 100 ms −1 . Find where and when the two stones will meet.
asked by Deepa 
Algebra: Avc
A cash register has no one dollar bill in it all of the bills are five dollar bills $10 bills or $20 bills there are a total 37 bills in the cash register and the total value of this bills is $310 if the number of $10 bills in the register is twice the
asked by Pat 
Computers
Draw the flowchart or pseudocode for an application that allows a user to enter the price of an item and computes 8 percent sales tax on the item.
asked by Dawlton 
umkc
A hunter on a frozen, essentially frictionless pond uses a rifle that shoots 4.20 g bullets at 970 m/s . The mass of the hunter (including his gun) is 69.5 kg , and the hunter holds tight to the gun after firing it.
asked by gh 
Algebra
The speed of the current is 4kph. A boat travels 6km upstream in the same time it takes to travel 10km downstream. What is the spees of the boat in still water?
asked by Sammy 
PHYSICS
a metal ball tied to the end of a string 1.8 m long is whirled in a horizontal circle at 4 m/s. what is the mass of the ball if the tension on the string is 30 N ?
asked by Princess Blabla 
Algbra 2
Divide using the division algorithm. Write your answer in the form Q + RD where the degree of R is less than the degree of D. x^3+3x+4/x+1 How am I supposed to do this?
asked by Idkm 
math (please help)
A company's retained earnings increased $375,000 last year and its assets increased $973,000. The company declared a $79,000 cash dividend during the year. What was last year's net income?
asked by samantha 
Criminal Justice/White Collar Crime
The financial cost of street crime is __________ of the cost of whitecollar crime. A. less than 1/10 B. about 1/4 C. about 1/3 D. over 1/2 Textbook says 6% so I am completely lost on this question.
asked by Pat 
probability
An installation technician for a specialized communication system is dispatched to a city only when three or more orders have been placed. Suppose that orders follow a Poisson distribution with a mean of 0.25 per week for a city with a population of
asked by poisson 
Math
5 sin theta +12 cos theta = 13. Prove 5 cos theta  12 sin theta =0.
asked by Priya 
algebra
Lucas wins $50,000(after taxes) in the lottery and decides to invest half of it in a 5year CD that pays 5.35 percent compounded quarterly (4 times/year). He invests the other half in a money market fund that unfortunately turns out to average only 2.6
asked by Jackie 
Math 9th Grade
Write an expression for the distance a car travels in t hours at a speed of s km/h
asked by Alex 
Algebra 2
Jason loves to download music. Downloads R Us sells songs only in packages of three, and it charges $2.00 for each package of three songs. Jason's favorite group just released their greatest hits CD, which has 17 songs on it. Jason wants to buy all 17
asked by Ken 
ELA
How does jack London build suspense.
asked by Brooke bell 
Physics
Explain how the electric potential energy of a particle can increase when moving from a region of high electric potential to a region of low electric potential energy.
asked by Kelsey 
Algebra
Joanne paid $27,840 as a down payment for her house. If the down payment was 12 percent of the actual cost of the house, what was the actual cost?
asked by Jackie 
thesis
could this be a thesis for this topic When Bullying Turns Deadly: Can It Be Stopped Thesis" Bullying causes many problems in teenager's lives such as stress, depression and suicide
asked by Ann 
Math
An ordinary plane leaves an airport and flies due west at 180kph. Two hours later a jet leaves the same airport and flies due west at 900kph. How far from the airport will the jet overtake the ordinary plane?
asked by Sammy 
Science
On a 120 km trip a motorist travels 60 km at 60 km/h. How fast must the motorist go for the next 60km in order to average 120km/h for the whole trip? i have attempted this question, yet the answers say it is impossible.
asked by Ben 
Elementary Mathematics
The probabilities that May, Lily and Mary will pass a test are 2/5, 7/10 and 9/10 respectively. Find the probability that (i) At least one of them will pass the test, (ii) 2 of the girls will pass the test
asked by Seow Kian 
PHYSICS
An object weighs 480 N on earth. what would its weight be on a planet whose mass is twice the mass and half the ratio of the earth?
asked by Princess Blabla 
Algebra
The speed of the current is 4kph. A boat travels 6km upstream in the same time it takes to travel 10km downstream. What is the spees of the boat in still water?
asked by Sammy 
real writing
1.Choosing a used car to buy can be _more difficult___ than it might seem. A. more difficult B. most difficult 2. Getting the _most best___ car possible for your money involves a lot of research. A. best B. most best 3.The _cheaper___ car available is
asked by bear1995 
Bio
A field mouse eats 10000 g of leaves each year, among other things. Of each gram of leaves has absorbed 150 kj of energy from the sun, about how much energy is available for the mouse?
asked by Jenna 
trigonometry
(a) If è is in standard position, then the reference angle è is the acute angle formed by the terminal side of è and the Select xaxis yaxis . So the reference angle for è = 120° is è = ?°, and that for è = 210°is è = ? degrees. (b) If è
asked by lovelady7 
ENGLISH
Formal essay topic sentence guidelines: 1.) Topic sen. must be debatable, or, at the very least, worthy of discussion. They should not present straight facts with which most people would readily agree, nor should they be general statements about life. 2.)
asked by Emily 
riddle
20 pigeons sat on the branches of a tree. A man hit 1 pigeon with a cannon. How many were left on the tree?
asked by sasha 
Math
Four members of a club decide to buy shares in a company. They will divide the cost equally. Two new members join the club and agree to contribute to the shares. Their contribution results in a savings of $200 for each of the original four members. How
asked by Anonymous 
English
She was sitting in the train. ================== Is she moving to sit down in the train? Or she sat before and now she remains seated in the train?
asked by rfvv 
science
Bacteria in swelling on the roots of peanut plants convert blank gas from the air into compounds that the plants need to grow.
asked by zaniya 
math ( having difficulty)
Superior has provided the following information for its recent year of operation: The common stock account balance at the beginning of the year was $18,000 and the yearend balance was $19,000. The additional paidin capital account balance increased
asked by samantha 
Math
An individual federal tax return form asks, among other things, for the following information: income (in dollars and cents), number of dependents, whether filing singly or jointly with a spouse, whether or not deductions are itemized, amount paid in local
asked by Lucas 
Business
Explain how competition among businesses can influence a marketplace? please help.
asked by S.S 
Physics
Find the change of the mechanical energy of a 1000kg car traveled down an incline with 1:10 grade a total distance of 100 m during which its speed increased from 10 m/s to 20 m/s? Is my answer correct, if not what did I do wrong? ME=KE+PE+Q
asked by Is my answer correct? 
Algebra
The total of dharma's, Eugene, and Ferns final exam score is 272 Dharma score is added to Eugene score the sum is 28 points less than twice ferns score if Eugene score is eight point higher than Dharma score what is each student's final an exam score?
asked by Tim 
math
How many ways are there to roll out a 3 question True or False?
asked by kenny 
Math
How many ways can you set up a committee of 4 people from 10 people?
asked by Mubarak 
Algebra
Find the domain of the function. Write in interval notation. sqrt(x^2 − 64). For the answer, I got (infinity, 8)u(8, infinity), but that's wrong, and I'm not sure what else to try?
asked by kelly 
Physics
A car is at mile marker 132 on the highway heading North. Of the car is traveling with a velocity of 24 mi/hr, what mile marker will the car be at after 150 minutes
asked by Michael 
Algebra
Find the domain of the function. (Write your answer using interval notation.) sqrt(x)/ (4x^2 + 3x − 1) If you set the bottom equal to zero, I got that x can't be 1 or 1/4. But I'm not sure if that's right, or how to write the answer in interval
asked by kelly 
PHYSICS
the gravitational forve between two masses is 500 N. What is the gravitational force if the masses are doubled and distance between them is likewise doubled?
asked by Princess Blabla 
math
Jenny gets a salary increment of 20%. She gives 1 5 of her new salary to her mother and spends another 40%. If she has RM600 left,what is her original salary?
asked by ayu 
math egd;science;algebra
Identify environment issues cause illhealth
asked by khulekani 
Criminal Justice/White Collar Crime
___________is an especially alarming characteristic of whitecollar crime that, ironically, is also an explanation of low public interest in whitecollar crime. A. The small number of people actually victimized by whitecollar crime B. Excessive government
asked by Pat 
alGEBRA 1
write two verbal expressions for the following: 4+m write a verbal expression for the following;7y
asked by sasha 
physics relativistic energy
I'm not too good with these special relativity problems :/ The question is: A 20 kiloton bomb releases 8 x 10^13 joules. How much mass must be converted into other forms of energy? You are already given Energy, would I still use the E=mc^2 formula??
asked by paul 
math
Gabriella has between 2 and 3 hours to spend on Math, Sociology, and English homework. She plans to spend equal amounts of time studying Sociology and English, and to spend 2 times as much time studying Math as in studying Sociology.
asked by devindra 
ENGLISH!! HELP!!!
THE PROMPTS:TAKE A POSITION THAT DEFENDS OR CHALLENGES THE CLAIM THAT THE RECENT PROFUSION OF SURVEILLANCE TECHNOLOGIES CONSTITUTES A THREAT TO CIVIL LIBERTY. ___________________________________ The example Introduction is : George Orwell wrote "1984", a
asked by Emily 
Math Pre Algebra
evaluate 5(142^3)+ 8/2 =
asked by Tay 
Precalculus
write the complex number 5 in polar form. I don't get how to do this because arctan of b/a would be 5/0 which is a fraction with no solution. Also, is a zero? Sorry if I'm being confusing! Thank you!
asked by Ellie 
math
lim x>9 x^2+10x+9 / x9
asked by Ernie 
pre algebra
31+0+(2)
asked by Anonymous 
math
1 mulliken = 10 inches 11 9/10 inches = how many mullikens? 5 13/16 inches = how many mullikens?
asked by A 
Biology
My hair color is blonde and so is my parents.What is my genotype?
asked by M 
Biology
My mom was average height and my dad was short and mine short. I am think my genotype is heterozgous. My mom weight is average and my dad was overweight and my was average. I am think my genotype is homozygous.
asked by M 
Math
The volume of water in a container is x(2x²+x+5)cm³ when the depth is Xcm water is added at the rate of 60cm³5¯¹ when the depth is 5cm,at what rate is the level rising.
asked by Hardney David Smith 
statistic
An individual federal tax return form asks, among other things, for the following information: income (in dollars and cents), number of dependents, whether filing singly or jointly with a spouse, whether or not deductions are itemized, amount paid in local
asked by Lucas 
Algebra 2
Can someone please help me solve this rational expression?
asked by Tommy 
Algebra 2
I have to add this rational expression but I keep on ending up with 2 different answers each time I try to solve the expression. 2/x + 1/2x My answer is 4x+1/2x; but I also got 5/2x. Which one is correct and why?
asked by Jerry 
accounting
bought goods on credit from Tom with a list price of 2000, less 10% trade discount
asked by Anonymous 
PHYSICS
two equal masses of 12kg each are 2m apart. WHat is the gravitational force between them?
asked by Princess Blabla 
maths
bhanu went in the motor boat for riding. He paid money for 5 hours 30 minutes. Half of the time finished he came back . how many hours and minutes he spend for the ride
asked by ritvik 
Algebra 2
Did I solve this complex rational expression correctly? (2/3)(x)/(2/3)+(x) 2/3x = 2/3x(3)/1(3)= (x)+(2/3) (2/3)+ (x)= 2/3 + x(3)/1(3)= (x)+(2/3) (x)+(2/3)/(x)+(2/3) = (3x2)/(3x2)
asked by Sally 
maths
A light house is 30m taller than a building which is 28m tall, how tall is the light house
asked by ritvik 
Physics
A 4000 kg trailer is towed up a hill with a 5% grade. If the towing truck starts from rest at the bottom of the hill and reaches a speed of 12 m/s at the top of the hill, how much is the towing force. The road from the bottom to the top of the hill is
asked by Anonymous 
Calculus
Let f(x) be the function f(x)={x2−c for x
asked by Lou 
math
2/5*3/71/6*3/2+1/14*2/5
asked by karthik 
mathamatics
L.C.M OF 21168
asked by arshad 
discrete math
4m+5n^2=20 (proof by cares)
asked by ben 
life orietation
list four environmental issues that causes ill health
asked by sandile 
math
2/5c+41/5 equals 4
asked by tomeisha 
algebra
Given f(x)=3x^24x1 and g(x)=82x, find each of the following: f(2) g(2) f(1) g(1/4) f(4)
asked by Jackie 
algebra
Write an equation of a vertical line through the point (3,5).
asked by Jackie 
Math
If a  1/a = 2 then show that ( a + 1/a )^2 = 8
asked by Noor 
algrebra
solve the equation 4(3x)=3(4x6)
asked by Jackie 
IPV
Solve the equation by Gauss elimination method 6x+3yz=7 5x9y+4z=4 8x+5yz=11
asked by Hari prasad A 
science
Do I need the comma after "months" here? Over the past 6 months, OvaScience has been continuously hammered down by short sellers.
asked by Bobby 
statistics
I need to figure out the variables one independent and the other dependent from the data set. I forgot what a data set is and what the variables are I have the paper I m supposed to be looking on for it but have no idea what i m looking for.
asked by Anoymous 
Highland
A cash register has no one dollar bills and all of the bills are five dollar bills $10 bills or $20 bills they are a total of 37 in the cash register and the total value of his bills is &310 if the number of the $10 bill in the register is twice the number
asked by Zen 
english
the performance was a huge disappointment
asked by atouria 
math
If your 4ft from the mirror;the mirror is 15ft.from the wall and your eyes are 6ft from the floor,what is the height of the wall?
asked by Vernon 
Algebra
Solve the equation 3/8(x=8)+1/8x=1/2(x7) 1.4x3.1=0.2(x27.5)
asked by Jackie 
Physics
Ball A is thrown upward from the top of a building and takes 12 s to hit the ground. Ball B is thrown downward with the same speed as Ball A and takes 7 s to hit the ground. How long does it take for ball A to reach it peak?
asked by Kendra