Questions Asked on
January 19, 2014

physics multiple choice
1. A transport truck pulls on a trailer with a force of 600N [E]. The trailer pulls on the transport truck with a force a) of zero b) of less than 600 N is the truck is slowing down c) equal to 600 N only if the truck is moving at constant velocity d)
asked by Diane 
math URGENT
Find all values of x such that sin 2x = sin x and 0 x 2π. (List the answers in increasing order.) x= x= x= x= x=
asked by Cassy 
Meths
A drawer contains 22 black socks, 22 white socks, 22 blue socks, and 22 brown socks. If the light is off and Matt reaches into the drawer to get his socks, what is the minimum number of socks he must pull out in order to be sure that he has a matching
asked by Jatin Ramani 
Chenistry
A 0.8870g sample of a mixture of nacl and kcl is dissolved in water and the solution is then treated with an excess of agn03 to yield 1.913g of agcl. Calculate the percentage by mass of nacl in the mixture 1.913g/ 143 = 0.0133 M agcl x/58 + Y/74 (0.887gx)
asked by Carlos 
math
Find an equation for the line that passes through the point (2, 5) and is parallel to the xaxis and is parallel to the yaxis and is parallel to the line 2x  4y = 3
asked by Kathy 
math
Solve the equation. (Find only the real solutions.) x2  x  2 = 0 they also said there is a smaller value and a larger value ??
asked by Cassy 
college math HELP!!!!!
The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is $180; the quantity demanded each month is 1000 when the unit price is $150. The suppliers will market 750 espresso makers if the unit price is $80. At a unit price
asked by Dee 
math ( Terminology )
The " lumper " of a number is equal to the sum of all the prime numbers less than that number. If the lumper of x is equal to the lumper of x + 3, which of the following is a possible value of x ? a. 7 b. 8 c. 9 d. 10 e. 11 please answer and explain
asked by Thomas 
math
Moffett’s Candy Factory makes candy in the shape of cylinders. The net of a cylindrical piece of candy is shown below. two circle with diameter of 4cm each and a rectangle with a lenght of 1.5 cm wha is the total surface area of this piece of candy?
asked by leo 
college finite math
Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint:
asked by Dee 
college finite math
A product may be made using Machine I or Machine II. The manufacturer estimates that the monthly fixed costs of using Machine I are $17,000, whereas the monthly fixed costs of using Machine II are $14,000. The variable costs of manufacturing 1 unit of the
asked by Dee 
Grade 5 Maths
A coin box contained some twentycent and fiftycent coins in the ratio 4:3. After 20 twentycent coins were taken out to exchange for fiftycents coins of the same value and put back in the box, the ratio of the number of twentycent coins to the number
asked by LARA 
Math
Find the center and radius of the circle with equation x2 + y2  6x + 10y + 9 = 0. center ( ? , ? ) radius ?
asked by Carol 
physics
Three forces are applied to an object, as indicated in the drawing. Force Farrowbold1 has a magnitude of 29.0 newtons (29.0 N) and is directed 30.0° to the left of the +y axis. Force Farrowbold2 has a magnitude of 18.9 N and points along the +x axis. What
asked by Emma 
Physics
An explorer in the dense jungles of equatorial Africa leaves his hut. He takes 41 steps at an angle 45∘ north of east, then 81 steps at an angle 60∘ north of west, then 49 steps due south. Assume his steps all have equal length. Save him from becoming
asked by christina 
physics
A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 95 mph?(Note that you need to convert mass to kilograms and miles per hour to meters per second.) Answer in units of kg · m/s
asked by NADIA 
college finite math
A division of a company produces "Personal Income Tax" diaries. Each diary sells for $6. The monthly fixed costs incurred by the division are $30,000, and the variable cost of producing each diary is $1. (a) Find the breakeven point for the division. (x,
asked by Dee 
finance
You have just purchased a new warehouse. To finance the purchase, you’ve arranged for a 25year mortgage for 75 percent of the $3,600,000 purchase price. The monthly payment on this loan will be $17,700. What is the APR on this loan?
asked by Anonymous 
computer
A user call your help desk to report that the files on her USB stick do not have any permissions associated with them and therefore aren't secure. Why is this?
asked by jackie girth 
math
the cast of painting a wall with dimensions 15m by 20m is 6250 find the altitude of a rhombus shaped window with side 7.5 m,,if the rate of painting 25 per m
asked by Anonymous 
math
the cast of painting a wall with dimensions 15m by 20m is 6250 find the altitude of a rhombus shaped window with side 7.5 m,,if the rate of painting 25 per m
asked by Anonymous 
Biology
What does the cardiovascular systems consist of?
asked by Anonymous 
physics
in a experiment to measure the speed of sound in glass, a pulse of sound is sent into a glass rod, 14 m in length. the reflected sound is detected after 5.6 ms (0.0056 s). calculate the speed of sound in glass.
asked by jack 
math
If sin(x) = 1/3 and sec(y) = 5/4, where x and y lie between 0 and π/2, evaluate sin(x + y).
asked by Cassy 
Discrete Math
A bag contains 5 red marbles, 4 yellow marbles, 3 green marbles, 2 orange marbles and 2 purple marbles. If three marbles are removed, what is the probability that at least one of them is red?
asked by Steven 
Science help asap 2 questions!!!
4. Which of the following describes an example of a potentially invasive species? (1 point) Fruit covered with fruit fly eggs is trucked from Mexico to Canada. Racehorses are shipped by boat from New York to London. Coffee beans in burlap bags are flown
asked by TTR+S<3 
physics
A barefoot fieldgoal kicker imparts a speed of 39 m / s to a football initially at rest. If the football has a mass of 0 . 26 kg and the time of contact with the ball is 0 . 01 s, what is the force exerted by the ball on the kicker’s foot?
asked by Anonymous 
english
I need help paraphrasing this paragraph. Because addiction treatment aims to change deeply embedded habits, relapse can be part of the process. However, this is a wellknown feature of diabetes, hypertension, asthma, and other chronic diseases with
asked by annette 
economics
A speculator sells a stock short for $50 a share. The company pays a $2 annual cash dividend. After a year has passed the seller cover a short position of $42. What is the percentage return on the position (excluding the impact of any interest expense and
asked by ron 
chemistry
In a combustion reaction, propane (C3H8) reacts with oxygen. How many moles of CO2 can be produced when 2.25 mol of C3H8 react? C3H8(g) + 5O2(g) „³ƒn3CO2(g) + 4H2O(g)
asked by kita 
college finite math
The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is $180; the quantity demanded each month is 1000 when the unit price is $150. The suppliers will market 750 espresso makers if the unit price is $80. At a unit price
asked by Dee 
Physics
What affect does changing the mass of an object on a ramp have on the efficiency of the ramp? Explain.
asked by Holly 
Physics
What is one advantage and one disadvantage of using a ramp? Explain in detail.
asked by Holly 
Physics
Friction is usually the killer of efficiency. How does a ramp relate to friction?
asked by Holly 
Statistics for Business
Consider the following sample of data: 11.2, 28.4, 32.6, 17, 13.5, 2.2, 38, 41.4, 1.9, 14.4, 21.8, 23.8 a) Calculate the max, min, Q1, median, and Q3 b) Calculate the average c) Calculate the standard deviation d) Calculate the variance
asked by thomas 
Statistics for Business
Consider the GPA’s for the following 15 students 3.10, 3.20, 3.49, 2.68, 3.73, 3.39, 3.80, 3.11, 3.10, 3.10, 4.0, 3.89, 2.55, 4.0, and 3.75 a) Compute the max, min, Q1, median 3.9, Q3, IQR, and range 1.45 b) Using the variables from part a), construct a
asked by thomas 
physics
An electron passes location h0.02m, 0.04m,−0.06mi, and 4 μs later is de tected at location h0.02 m, 1.84 m,−0.86 mi. Find the average velocity of the elecron: ¯v = If the electron continues to travel at this av erage velocity, find where it will be
asked by NADIA 
MATH
CLASS SOLD 82 TICKETS TO CONCERT AND MADE #431. $8 FOR ADULT AND $3 FOR CHILDREN TICKETS. HOW MANY OF EACH WERE SOLD?
asked by dorothy 
Finance
Which of the following actions wiling DECREASE the present value of an investment. A. Decrease the interest B. Decrease the future value C. Decrease the amount of time D. All of the above will increase the present value
asked by Anthony 
Philosophy( Please Help Me))
Hi, I would appreciate if someone can let me know what they think about the answer that I choose for these questions? Mortimer argues that right actions are the ones that: a.We believe to be right. b.Are culturally valid. c.God commands us to perform.
asked by Monte 
Physics
An electron passes location , and 4 μs later is de tected at location . Find the average velocity of the elecron: ¯v = If the electron continues to travel at this av erage velocity, find where it will be in another 9 μs : ~d = Answer in units of m
asked by NADIA 
Maths
I don't get this Find the equation of the line given the following information: m=UD, x=5 And I have to find the equation. Then it says: Identify the slope and y intercept from the following equations: y=8, m=___, b=___ I also have to graph it. But if
asked by Paws 
English
What is the difference between "should have " and "could have"? Please give several example sentences.
asked by Anonymous 
Science
2 forces of 5N&7N respectively act on an object. (a) When will the resultant of 2 vectors be at a maximum? (b) When will the resultant of the 2 vectors be at a minimum?
asked by Lesed 
Math
During the first day of the concert, the number of student tickets sold was 80 fewer than the number of student tickets sold.On the second day, the number of adult tickets sold decreased by 15 percent while the number of student tickets sold increased by
asked by SRI 
AP Chemistry
What is the mass percent of acetic acid in 3.25 molality of CH3COOH?
asked by Diamond 
Math
what is the daily increase in length of a young whale? (Use 1 month= 30 days) I just can't figure this part out for the whole question... the increase is 30 feet per month.
asked by Anonymous 
Math (Check My Steps)
(1)/(2^0) 1/1 = 1
asked by Anonymous 
BUS 401
Which of the following statments regarding the cost of preferred stock is true? a.It is typically found by solving for an annuity’s discount rate. b. It is tpically found by solving for an annuity's due's discount rate. C. It is found similarly to a
asked by Leo 
Math
(1/a)+4 I can never figure out these fractions...
asked by Anonymous 
Essay Evaluation (Writeacher)
May I ask for you opinion? Have I written according to what was instructed of me? Does it require any improvements? Write an essay explaining in what ways today are fearful than people in past generations. You may use examples from real life, the selection
asked by Anonymous 
Precalc
find the domain of (x+2)/x^316x
asked by Anonymous 
Algebra
Ten years ago a man was three times as old as his son. In twelve more years,the son is three fifths as old as his father.what were their ages 5 years ago?
asked by Nicole Faith 
Algebra
Gustavs father is seven times as olda s he is.a. Year ago,he was nine timesa s olda s gustav. Find gustavs present age
asked by Nicole Faith 
Social Studies
I'm not so sure about the answers to these questions. Could you check my answers please? Thanks. Who led the federal troops that forced the Cherokee west on the trail of tears? Andrew Jackson Winfield Scott William Henry Harrison** Oliver Hazard Perry
asked by Sam 
Chemistry
What is molecular mass of CuSO4(NH4)SO4.H2O
asked by Collins 
Chemistry
A 0.2299 N acid is prepared by mixing 100 ml of 0.1234 N H2SO4 and 0.3200 N HCl. How much HCl is needed in the preparation of the solution?
asked by Summer 
Math
Simplify the difference quotient [f(2 + h) − f(2)]/h if h ≠ 0. f(x) = x^2 − 3x I keep getting the answer wrong...please help.
asked by Anonymous 
maths literacy,history,geography,cat and english
What can I study if I have those subjects
asked by Cashkinlee Francke 
statistics
What is the probability for a: a. Randomly selected person being a male in grade E? b. Randomly selected male being in grade E? c. Why are the results different?
asked by Anonymous 
statistics
4 Find: a. The z score for each male salary, based on only the male salaries. b. The z score for each female salary, based on only the female salaries. c. The z score for each female compa, based on only the female compa values. d. The z score for each
asked by Anonymous 
cosmology
We observe a galaxy at z = 1, and a quasar at z = 2. What is the redshift of the quasar as observed from that galaxy? Enter a numeric answer.
asked by simar 
Algebra, Intermediate
How do I set up my equation for 18 wheeler with 71 fridges and 118 TVs and 51 fridges and 176 TVs with my graph showing (0,330) and (110,0)? Page 539 problem 68 Thanks!
asked by nightflies 
cosmology
A galaxy with an apparent magnitude in the V band (λc ~ 5550 angstroms, width δλ ~ 800 angstroms) of mV = 22.5 mag is observed with the Palomar 200inch telescope. How many photons per second are collected from this galaxy over the 200inch (~ 500 cm)
asked by simar 
Mathematics
(14x^7 multiplied by y^5 multiplied by x^6 divided by 21x^12 multiplied by y^2)^4
asked by Michael 
Philosophy(PleaseHelp)
Hi, can someone tell me if these 3 multiple choice questions is correct? I'm struggling with these 3 questions and trying to make sure if they are correct. For Kant, the moral worth of an action lies in: a. The predicted effects of that action. b. The
asked by Monte 
math
there are 54 rows of 29 seats in a movie theatre, estimate the number of seats in the movie theatre.
asked by lindi 
math
a parcel has a mass of 794g, estimate the mass of 32 of these parcels together
asked by ndumi 
physics
3 factors that we must always give when expressing a force vector quantity
asked by Anonymous 
physics
3 factors that we must always give when expressing a force vector quantity
asked by Anonymous 
physics
3 factors that we must always give when expressing a force vector quantity
asked by amukoso 
SCIENCE 1 QUESTION PLS HELP ASAP
Select three words that belong together. To do this pick one word from each of the three sets below: Set 1: Estuary, Lake, Neritic Zone Set 2: High Salt, Intermediate Salt, No Salt Set 3: Trout, coral, oyster Answer choices: A) Neritic zone, intermediate
asked by TTR+S<3 
american history
Through what spanish settlement did Zebulon Pike travel?
asked by jynessa 
Philosophy(Having Problems)
Hi, I would appreciate if someone can let me know what they think about the answer that I choose for these questions? Mortimer argues that right actions are the ones that: a.We believe to be right. b.Are culturally valid. c.God commands us to perform.
asked by Monte 
math
five square flower beds of side 1m us dug on a rectangular piece of land 8m long and 6m50cm wide.Find the area of remaining part of land
asked by mensuration 
math
Rewrite by completing the square. 2x^2  12x + 11
asked by Cassy 
math
Solve the equation. (Find only the real solutions.) (2x)/(x+1) = (2x1)/(x)
asked by Carol 
physics
A bucket of water has a weight of 40N.a man lifts the bucket by applying an upward force of 20N.at the same time a child pulls the bucket along the ground with a horizontal force of 10N...calculate the resultant force on the bucket
asked by Anonymous 
Math
A sequence is given by Un=a(12n).determine the first 3 term of sequence
asked by Dammy 
math
A sequence is generated in which each term is 9 more than the previous term, If the eighth term is 13, what is the fourth term? a. 23 b. 14 c. 40 d. 49 e. 58 please answer and explain
asked by Thomas 
math (sets)
{ 1,2.3,..........,210 } How many numbers in the above set are multiples of 3 but not 9 ? a. 46 b. 47 c. 48 d. 69 e. 70 please answer and explain
asked by Thomas 
math ( sequence )
A sequence is generated in which each term is equal to the sum of the two preceding terms, If the first two terms are 1 and 3, what is the sixt term? a. 11 b. 14 c. 18 d. 22 e. 29 please answer and explain
asked by Thomas 
maths, physical science , life science , geography
Hi I am in grade 10 , I am doing maths physical science, life science and geography, what jobs can I get into with those subjects
asked by zaakiyah 
Bobby
Find the length (in cm) of an arc of a circle with radius 12 cm if the arc subtends a central angle of 30°.
asked by Kathy 
math
Find an equation for the circle that has center (1, 4) and passes through the point (3, 2). (x  ? )2 + (y  ? )2 = ?
asked by Carol 
MATH
Find the exact values. (a) tan(π/3) = ? (b) sin(7π/6) = ? (c) sec(5π/3)= ?
asked by Bob 
transportation economic
In your own words, describe the meaning of marginal cost. You normally buy a crate of wine for $75. One crate has 6 bottles of wine. After a month, the store clerk informs you that the same crate of wine now costs $82. However, there are 7 bottles in a
asked by bill 
Mathis
You have £100 you have to buy 100 animals. 1 chicken costs 50p,1pig costs £10,1 sheep costs £2?
asked by Liam 
Physics
A tuning fork creates sound wave with frequency of 170 hertz. If the speed of sound is 340 m/s, what is the wave length of the sound wave?
asked by Christopher 
Physics
A tuning fork creates sound wave with frequency of 170 hertz. If the speed of sound is 340 m/s, what is the wave length of the sound wave?
asked by Christopher 
math
mary deposited dimes and quarters into the coinstar machine at her local grocery store. the total money she deposited was 22.15. if mary had 84 dimes, write and solved a linear equation to find the number of quarters she had.
asked by Arif 
Physics
If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 4.5 h, a swimmer makes exactly 69 laps in a swimming pool that is 35 m long. Determine the distance the swimmer traveled, the total displacement of
asked by Bobby 
Grammar
Hanged or hung? The intruders ? the people.
asked by Anonymous 
social studies
can someone give me 3 examples of how where Carolina lives shapes her life and the opportunities available for her and her family.
asked by Matt 
math
mary deposited dimes and quarters into the coinstar machine at her local grocery store. the total money she deposited was 22.15. if mary had 84 dimes, write and solved a linear equation to find the number of quarters she had
asked by Arif 
economics
An investor sells a stock short for $36 a share. A year later the investor cover the position at $30 a share. If the margin requirement is 60% what is the oercentage return earned on the investment? now assume the price is at $42 when the investor closes
asked by ron 
science
transmission electron microscope compound (light) microscope scanning electron microscope field scope dissecting microscope Arrange the five types of microscopes in order from lowest resolution to highest.
asked by jiskhaweekend 
Math
A number is added to 7 and the result is multiplied by 4. The final answer is twice the original number . Find the original number.
asked by Seyi 
Math
14
asked by Seyi 
Math Negative and Zero Exponents
Please show stepbystep how I am supposed to solve these types of problems. 1. 4ab^0 2. 5x^4 3. (3x^2)/y
asked by Anonymous 
physics
2.A solid iron cylinder with a diameter of 150mm a height of 1m and a density of 7860 kg/m^3 is suspended in fresh water (density of fresh water is 1000 kg/m^3) calculate the tension in the supporting cable when two thirds of the volume of the cylinder is
asked by moody 
physics
3.The diameter of a pipe changes gradually from 150mm at point A, 6m above datum, to 75 mm at B, 3 m above the datum. The pressure at point A is 103KN/m^2 and the velocity of flow is 3.6m/s . Neglecting loses, determine the pressure at point B.
asked by moody 
physics
4.A steel rod is heated to 200 degrees Celcius and is then rigidly clamped at both ends and allowed to cool. Determine the temperature at which the rod will break if the tensile strength, coefficient of linear thermal expansion and youngs modulus of
asked by moody 
5th Grade Math
Express the fraction(s) 6/7 and 12/10 as the sum of two or three equal fractional parts. Rewrite each as a multiplication equation. Any help is appreciated.
asked by Carol 
Finance
A person invests $500 on June 4, 2015 in an account which earns 7% simple interest. Determine the value of the investment on October 18, 2015.
asked by steve 
AP Chemistry
Why would .25 molality of CaCl2 have a larger effect on the freezing point of water than .25 molality of NaCl?
asked by Diamond 
News/Stereotypes
Hi, I need help Identifying an example of news coverage that sterotypes a group of people and a) define the stereotype b) explain how the coverage perpetuates the stereotype? Any suggestions that I can use?
asked by Blaze 
physics 2
if 120 g of hot water at 85 degree celsius is poured into an insulated cup containing 200 g of ice at 0 degree celsius. how many grams of liquid will there be when the system reaches thermal equilibrium?
asked by phase change 
Chemistry
Calculate the pH of the solution formed by adding 15.0ml of 0.1M sodium hydroxide to 30.0ml of 0.1M propanoic acid.
asked by Fritz 
pscyhology
tentative explanation is known as ?
asked by sherry 
SAT
please help. I am a foreigner. I need to get into a US college for a bright future. I bought the College Board SAT book. It has no word lists. How do I do well in the SAT? Any tips? Please give me help.
asked by Mohammed 
pscyhology
another descriptive is called? in which ? individual is studied in great details
asked by sherry 
Hi
Name: Park Sumin Partner: Bangtan Boys Rap Monster Scenario: Author's choice
asked by Sandara 
physics 2
two hundred fifty grams of water at 80 degree celsius is poured into a styrofoam cap of negligible heat capacity containing 180g of water at 10 degree celsius. after an additional 300 g of water to the cap, the mixture comes to the equilibrium temperature
asked by phase change2 
Physics
An ice skater skates 16.9 m southwest, then 33.8 m east, and finally 50.7 m in a direction 50.9◦ north of east. Find the magnitude of the displacement re quired to bring the skater back to her starting point. Answer in units of m
asked by NADIA 
News/stereotype more
OK I have a my example On August 16, 2013, three teens  one white, and two black shot  and killed Christopher Lane, an Australian attending school in Oklahoma, while he was out for a jog. Fox and Friends and The Daily Caller have compared it to the
asked by Blaze 
college finite math
For wages less than the maximum taxable wage base, Social Security contributions (including those for Medicare) by employees are 7.65% of the employee's wages.† (a) Find an equation that expresses the relationship between the wages earned (x) and the
asked by Dee 
college finite math
Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint:
asked by Dee 
Physics
Suppose that a binary star system consists of two stars of equal mass. They are observed to be separated by 380 million kilometers and take 9.0 Earth years to orbit about a point midway between them. What is the mass of each?
asked by John