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Questions Asked on July 8, 2013

4. The population of a small town is modelled by the functionp(t)= 20(4t+3)/2t+5 , where P(t) is the population, in thousands,
1. 7 answers
2. asked by FUNCTIONS
3. 11,361 views
What is the mass of a cylinder of lead that is 2.50 cm in diameter and 5.50 cm long. The density of lead is 11.4 g/mL. Find the
1. 3 answers
2. asked by Eliza
3. 7,945 views
Carol drops a stone into a mineshaft 122.5m deep. Calculate the time from when she hears it hit the bottom of the shaft. Assume
1. 1 answer
2. asked by Alex
3. 4,745 views
Solve the following system of equations using the cross multiplication method,ax+by=a-b;bx-ay=a+b
1. 7 answers
2. asked by Lavinia
3. 4,498 views
A 17-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 29 N. Starting from rest, the
1. 1 answer
2. asked by simon
3. 3,918 views
The height in feet of a rocket after t seconds is given by h(t) = 160t - 16t2.Find the maximum height the rocket attains: After
1. 1 answer
2. asked by lisa
3. 3,742 views
1. A piece of rectangular wood that measures 3.0 cm by 6.0 cm by 4.0 cm has a mass of 80.0 grams. What is the density of the
1. 2 answers
2. asked by Perrie
3. 3,201 views
How many milliliters (ml) of 5 M MgCl2 must be added to 25 ml of a 0.5 M MgCl2 solutionto produce 1500 ml with a final MgCl2
1. 1 answer
2. asked by Abass
3. 2,458 views
OPQRS is a right pyramid whose base is a square of sides 12cm each. Given that the slant height of the pyramid is 15cm. Find the
1. 2 answers
2. asked by stressed girl
3. 2,400 views
A semi-trailer is coasting downhill along a mountain highway when its brakes fail. The driver pulls onto a runaway truck ramp
1. 3 answers
2. asked by justin
3. 2,350 views
For the given dimensions, find the area of each figure. If necessary round to the nearest hundredth.1.Rectangle with base 4m and
1. 2 answers
2. asked by Ronnie
3. 2,233 views
Suppose the straight-line distance between New York and San Francisco is 4.4 106 m (neglecting the curvature of the earth). A
1. 1 answer
2. asked by albert
3. 2,147 views
Shown below are rental and leasing revenue figures for office machinery and equipment in the United States over a sever-year
1. 2 answers
2. asked by Tony
3. 2,032 views
To the nearest tenth, find the perimeter of ABC with vertices A(-2-2), B(0,5) and C(3,-1).
1. 2 answers
2. asked by Ronnie
3. 2,028 views
Investment analysts generally believe the interest rate on bonds is inversely related to the prime interest rate for loans; that
1. 1 answer
2. asked by Tony
3. 1,994 views
Which of the following diatomic species are paramagnetic and which are diamagnetic? A blank molecular orbital diagram (Figure 2)
1. 1 answer
2. asked by Anonymous
3. 1,506 views
nisha is putting 64 cookies and 40 truffles into gift boxes. Each box willhave the same number of cookies and chocolate
1. 1 answer
2. asked by andra
3. 1,497 views
you have 30yd2 of carpet. you want to install carpeting in room that is 20ft long and 15ft wide, do you have enough carpet?
1. 3 answers
2. asked by Ronnie
3. 1,426 views
Suppose a researcher gathered survey data from 19 employees and asked the employees to rate their job satisfaction on a scale
1. 0 answers
2. asked by Tony
3. 1,404 views
I'm asked to find max and min of: L(t)=12+2.8sin((2pi/365)(t-80).I find the derivative as:
1. 1 answer
2. asked by Leo
3. 1,383 views
a crane drops a 1.0 kg steel ball onto a steel plate. the ball's speed just before impact is 2.0 m/s. if the average impact
1. 1 answer
2. asked by larry
3. 1,362 views
a. The correlation between speed and strength for 20 women is .567. Test these results at the .01 level using a one-tailed test.
1. 1 answer
2. asked by Ethel
3. 1,341 views
A 75.0-kg man is riding an escalator in a shopping mall. The escalator moves the man at a constant velocity from ground level to
1. 3 answers
2. asked by james
3. 1,283 views
OPQRS is a right pyramid whose base is a square of sides 12cm each. Given that the slant height of the pyramid is 15cm. Find the
1. 2 answers
2. asked by stressed girl
3. 1,282 views
Olive oil is an unsaturated fat. Does the Sudan Red Test differentiate between saturated and unsaturated fats?
1. 3 answers
2. asked by loveag
3. 1,265 views
b. The correlation between the number correct on a math test and the time it takes to complete the test is -.45. Test whether
1. 2 answers
2. asked by Ethel
3. 1,221 views
A person pushes a 24.7-kg shopping cart at a constant velocity for a distance of 34.0 m on a flat horizontal surface. She pushes
1. 1 answer
2. asked by johhnny
3. 1,216 views
A researcher reports an F-ratio with df= 2, 12 for a repeated measures of ANOVA.a. How many treatment conditions were compared
1. 1 answer
2. asked by Ethel
3. 1,172 views
Suppose we are dealing with calcium chloride as opposed to the chemical in the video. If a solution contains 70 g of calcium
1. 1 answer
2. asked by Steptim
3. 1,171 views
c. The correlation between number of friends and grade point average (GPA) for 50 adolescents is .37. Is this significant at the
1. 2 answers
2. asked by Ethel
3. 1,144 views
a cannon with mass of 2000kg fires a 10kg shell at an angle of 60 degrees above the horizontal. if the recoil velocity of the
1. 1 answer
2. asked by larry
3. 1,122 views
Matthew obtains a 30-year $81,000 house loan with APR of 8.08%. What is his monthly payment?
1. 1 answer
2. asked by theriti0
3. 1,114 views
The brakes of a truck cause it to slow down by applying a retarding force of 2350 N to the truck over a distance of 817 m. What
1. 1 answer
2. asked by summer
3. 1,111 views
How much energy is required to change a 57 g ice cube from ice at −4◦C to steam at 107◦C? The specific heat of ice is 2090
1. 2 answers
2. asked by Beatles Lover
3. 1,108 views
The height in feet of a rocket after t seconds is given by h(t) = 160t - 16t2.Find the maximum height the rocket attains: After
1. 1 answer
2. asked by lisa
3. 1,102 views
A 80.4-kg skier rides a 2630-m-long lift to the top of a mountain. The lift makes an angle of 19.4 ° with the horizontal. What
1. 1 answer
2. asked by luzy
3. 1,083 views
Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is
1. 1 answer
2. asked by lisa
3. 1,080 views
The initial temperature of a bomb calorimeter is 28.50°C. When a chemist carries out a reaction in this calorimeter, its
1. 4 answers
2. asked by Timmy
3. 1,078 views
a room is 25ft long, 20 ft wide, and12ft tall. What is the volume of the room ? Second question a carpet is 2.5m long and 0.75m
1. 3 answers
2. asked by sam
3. 1,046 views
A 0.662-kg basketball is dropped out of a window that is 6.32 m above the ground. The ball is caught by a person whose hands are
1. 1 answer
2. asked by justin
3. 1,043 views
How many ways can the number 30 be written as an ordered sum of 2s and 5s?
1. 1 answer
2. asked by 000
3. 1,036 views
a ladder 25ft long leans against a wall with its foot on level ground 7ft from the base of the wall. If the foot is pulled away
1. 2 answers
2. asked by Pia
3. 1,024 views
Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is
1. 2 answers
2. asked by lisa
3. 1,014 views
Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is
1. 1 answer
2. asked by sandy
3. 965 views
A 27-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic
1. 1 answer
2. asked by louis aaaa
3. 961 views
I'm trying to write a sub that asks how much oil I made, and then gives me number of barrels needed to hold oil, cost of
1. 2 answers
2. asked by Dom
3. 959 views
Loan Amount: $15,000Method of payment: discount basis Amount of Interest : $650 Term of loan: 1 year Effective Rate of Interest
1. 1 answer
2. asked by sarah
3. 948 views
Tim Worker buys a new sofa for $549.95. He pays 20% down and takes an installment loan to complete the purchase. He makes 12
1. 6 answers
2. asked by sarah
3. 926 views
An analysis of variance was used to evaluate the mean differences from a repeated-measures research study. The results were
1. 1 answer
2. asked by Ethel
3. 923 views
if a business associate from overseas refuses to look you in the eye while you and he are speaking , you should
1. 2 answers
2. asked by mek
3. 909 views
GDP=400Investment decreases by 5 Government spending increases by 25 Consumption increases by 5 MPS=.2 What is the new
1. 0 answers
2. asked by Anonymous
3. 899 views
A 0.0677 g sample of magnesium metal reacted with excess hydrochloric acid solution to produce69.9 mL of hydrogen gas. The gas
1. 0 answers
2. asked by Janaiby
3. 888 views
The radius needed to create a sphere with a given volume V can be approximated by the equation r = 0.62(V)1/3. Find the radius
1. 1 answer
2. asked by Anonymous
3. 869 views
How much Tris-Acetate-EDTA (TAE) stock buffer (3.25 M) is required to make 400 ml ofsolution that has a concentrations of 250
1. 0 answers
2. asked by Abass
3. 839 views
find all nonnegative integer solutions of the systemx+y<8 x+z<8 t+y<8 z+t<8
1. 0 answers
2. asked by math
3. 834 views
A 1310-kg car is being driven up a 9.12 ° hill. The frictional force is directed opposite to the motion of the car and has a
1. 1 answer
2. asked by billy
3. 833 views
10% of the atmosphere is located above the altitude where the pressure isa. 100 b. 900
1. 0 answers
2. asked by Sally
3. 833 views
I am the discussion director for my group.I have to grab 4 reallyyy good discussion questions for the book The Kite Runner. I
1. 3 answers
2. asked by Kristen
3. 832 views
The squares of a 3×3 grid are filled with non-negative integers such that the sum of each row and the sum of each column is 7.
1. 3 answers
2. asked by Mark
3. 812 views
1. The Hypothetical Finance Ltd has structured a hire-purchase deal. The required to make a downPayment of 20 per cent of the
1. 0 answers
2. asked by MBA FINANCE
3. 802 views
a ladder 38 feet long is leaning against the side of a wall. if the angle between the ladder and the wall is 54 (degrees)
1. 2 answers
2. asked by mhonic
3. 802 views
I really really need help with this. Can someone please look at it and let me know.At 100 college campuses, 1200 full-time
1. 1 answer
2. asked by y912f
3. 796 views
Purchase price of article = $5,555Down payment = $555 Number of payments = 42 True annual interest rate=18% Monthly Payment= $
1. 2 answers
2. asked by sarah
3. 768 views
Do you know where I can find chapter by chapter view of a book?Is a plot the same as a summary of a short story?
1. 1 answer
2. asked by unknown
3. 767 views
what event in europe inspired the formation of some canadians trade unions?
1. 1 answer
2. asked by alyssa
3. 755 views
Two identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is
1. 1 answer
2. asked by lisa
3. 744 views
Suppose you contribute $59 per quarter into a fund that 14.5% annual interest. What is the value of your investment after 11
1. 1 answer
2. asked by theriti0
3. 740 views
What is the author referring to in this reading passage? Thus early had that one guest,--the only guest who is certain, at one
1. 2 answers
2. asked by q
3. 730 views
the green light flashes every 3 seconds,the red every 5 seconds and white at 10 seconds. iF they flash at 12 noon.When will they
1. 2 answers
2. asked by Anonymous
3. 718 views
Find the absolute maximum and the absolute minimum values off(x)=x−7cos(x) on the interval [−ð,ð).
1. 1 answer
2. asked by Robin
3. 688 views
Examples please!Create a drawing or plan for a 2 x 3 experimental design that would lend itself to a factorial ANOVA. Be sure to
1. 0 answers
2. asked by Ethel
3. 685 views
a 1000 kg car with an average power of 100 kw accelerates from 0 to 50 m/s. how long does it take to accomplish this
1. 1 answer
2. asked by larry
3. 669 views
A 46 g ice cube at 0◦C is placed in 988 g of water at 90◦C. What is the final temperature of the mixture? The specific heat
1. 1 answer
2. asked by M&M
3. 660 views
A sample of naphthalene (C10H8) that has a mass of 0.7200 g is burned in a bomb calorimeter. The mass of the calorimeter is
1. 0 answers
2. asked by Timmy
3. 653 views
I need help starting my english paper Draft a 7-9 page paper that compares and contrasts how the topic or theme you chose from
1. 3 answers
2. asked by Toni
3. 652 views
A window has a glass surface of 2686 cm2 and a thickness of 7.4 mm.Find the rate of energy transfer by conduc- tion through this
1. 0 answers
2. asked by Beatles Lover
3. 646 views
The length of a rectangle is 4 m less than the diagonal and the width is 7 m less than the diagonal. If the area is 76 m2, how
1. 1 answer
2. asked by lisa
3. 621 views
A graph is constructed iteratively according to the following algorithm. The graph starts as a single vertex. With probability
1. 0 answers
2. asked by lin
3. 620 views
The Centers for Disease Control (CDC) collects yearly statistics on drinking behavior in the United States by surveying a random
1. 1 answer
2. asked by Mike
3. 607 views
wo identical rubber balls are dropped from different heights. Ball 1 is dropped from a height of 100 feet, and ball 2 is dropped
1. 3 answers
2. asked by lisa
3. 606 views
WHAT IS THE PRIME FACTORIZATION OF 45? and what is the sum of the only two prime numbers that differ by one ? Thank you
1. 4 answers
2. asked by sam
3. 603 views
Leila purchased a prepaid phone card for . Long distance calls cost cents a minute using this card. Leila used her card only
1. 0 answers
2. asked by Ron
3. 600 views
Based on the following information, calculate the required return based on the CAPM:Risk Free Rate = 3.5% Market Return =10%
1. 1 answer
2. asked by jose
3. 577 views
a farmer has a triangular garden with two sides at right angles and the third side measuring 380 (feet long.)Find the perimeter
1. 1 answer
2. asked by mhonic
3. 575 views
How many grams of hydrogen peroxide (H2O2) must be added to 1,500 mL of water to produce a concentration of 1.33 m (molal
1. 0 answers
2. asked by Anonymous
3. 568 views
I've deleted your earlier post and its thread.Post your next question whenever you're ready.
1. 1 answer
2. asked by Writeacher
3. 566 views
explain why the issue of conscription helped to further divide English and French relations in Canada.
1. 1 answer
2. asked by alyssa
3. 548 views
a car manufacturer claims that his car, starting from rest, can attain a speed of 28m/s in a time of 20s. find the average
1. 1 answer
2. asked by ag161
3. 531 views
A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that political
1. 1 answer
2. asked by Jimmy
3. 522 views
Find a general solution to the first – degree ordinary differential equation. If an initial condition is given, find the
1. 0 answers
2. asked by Sara
3. 517 views
A babysitter takes care of 20 kids. When taking care of all the kids she gets paid $50 per kid. However, for every $5 more she
1. 1 answer
2. asked by Dom
3. 512 views
In the Federal Trade Commission (FTC) \Price Check" study of electronic checkout scanners, theFTC inspected 1,669 scanners at
1. 1 answer
2. asked by Ryan
3. 510 views
A boy is spinning on a chair and holding a paper bag so that it is horizontal, and perpendicular to the axis of the rotation.
1. 3 answers
2. asked by Mark
3. 507 views
what war-related issue affected French and English relations in Canada for years to come?
1. 2 answers
2. asked by alyssa
3. 485 views
A 50.7-g golf ball is driven from the tee with an initial speed of 51.2 m/s and rises to a height of 21.8 m. (a) Neglect air
1. 2 answers
2. asked by justin( having trouble with these 3
3. 485 views
The squares of a 3×3 grid are filled with non-negative integers such that the sum of each row and the sum of each column is 7.
1. 0 answers
2. asked by Mark
3. 483 views
Who did the hippo see first?1. He first saw the bird. 2. First he saw the bird. 3. He saw the bird first. 4. He saw first the
1. 1 answer
2. asked by rfvv
3. 479 views
For every positive integer n, consider all polynomials f(x) with integer coefficients, such that for some real number a
1. 0 answers
2. asked by lin
3. 474 views
4x+y-32=1, 6x-y-4z=7, 10x+2y-6z=5 pls show me how to solve for x,y,z. Ans:xx=1.5,y=-2,z=1
1. 2 answers
2. asked by david
3. 467 views
find all nonnegative integer solutions of the systemx+y<8 x+t<8 t+y<8 z+t<8
1. 2 answers
2. asked by math
3. 463 views

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