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Questions Asked on November 10, 2011

A cable with 21.2 N of tension pulls straight up on a 1.10 kg block that is initially at rest. What is the block's speed (in
1. 2 answers
2. asked by Me
3. 3,429 views
Find the volume V of the described solid S.The base of S is a circular disk with radius 2r. Parallel cross-sections
1. 1 answer
2. asked by Johnathon
3. 2,908 views
A marathon runner ran 26.2 miles in 2 h 30 min. Find these rates:a. miles per hour b. miles per minute c. minutes per mile
1. 2 answers
2. asked by missy
3. 2,479 views
Use Newton's method to approximate the indicated root of the equation correct to six decimal places.The positive root of 3sinx =
1. 1 answer
2. asked by Dakota
3. 2,430 views
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun,
1. 4 answers
2. asked by Kelsey
3. 2,377 views
Parents have set up a sinking fund in order to have $120,000 in 15 years for their children's education. How much should be paid
1. 2 answers
2. asked by Debra
3. 2,315 views
Find the volume of the solid generated by revolving about line x = -4 the region bounded by x = y - y^2 and x = y^2 - 3
1. 1 answer
2. asked by Ryan
3. 2,177 views
Find the volume V of the described solid S.The base of S is an elliptical region with boundary curve 9x2 + 25y2 = 225.
1. 1 answer
2. asked by Johnathon
3. 2,035 views
How much heat is released when 10 g of steam at 100°C is cooled to 10 g of liquid water at 100°C?I am working on a practice
1. 1 answer
2. asked by nan
3. 1,946 views
Based on what you learned about light, select all of the correct statements from the following list.The only type of
1. 2 answers
2. asked by Andy
3. 1,925 views
A cooling fan is turned off when it is running at 870 rev/min. It turns 1200 revolutions before it comes to a stop.What was the
1. 2 answers
2. asked by Anonymous
3. 1,903 views
An object 5cm is placed 30cm in front of a concave mirror.The image is 60cm in front of the mirror.Find (a) the focal length of
1. 3 answers
2. asked by chrystabelle
3. 1,895 views
The flower garden has the shape of a right triangle. 5ft of a perennial border forms the hypotenuse of the triangle, and one leg
1. 2 answers
2. asked by Kelly
3. 1,863 views
If 60 seconds are in a minute, 60 minutes in an hour, and 24 hours in a day, then 86,400 seconds are in a day. What type of
1. 3 answers
2. asked by Anonymous
3. 1,763 views
5. Look up the density of n-butyl chloride (1-chlorobutane). Assume that this alkyl halide was prepared instead of the bromide.
1. 1 answer
2. asked by Scarlet
3. 1,644 views
in a class of 30 students, 17 have computers at home and 20 have cassettes. If 4 students in the class have neither a computer
1. 1 answer
2. asked by stacey
3. 1,608 views
To verify her suspicion that a rock specimen is hollow,a geologist weighs the specimen in air and in water.She finds that the
1. 3 answers
2. asked by chrystabelle
3. 1,579 views
Find an equation of the tangent line to the curve at (8,0). y=ln(x^2 -8x +1)
1. 1 answer
2. asked by Alexa
3. 1,528 views
This week we practice with Binomial Distribution.You can use Appendix Table E or Excel Function Binomdist. About 30% of adults
1. 1 answer
2. asked by mary
3. 1,512 views
Tonya wants to estimate what proportion of the students in her dormitory like the dorm food. She interviews an SRS of 50 of the
1. 1 answer
2. asked by Manda
3. 1,505 views
A 290-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 31° with the horizontal. What is
1. 2 answers
2. asked by Nikki
3. 1,450 views
. Given the following function, f(x)=-x^2 -8x find:(a) vertex, (b) axis of symmetry, (c) intercepts, (d) domain, (e) range, (f)
1. 1 answer
2. asked by mz tee
3. 1,417 views
Say you are the manager of a perfectly competitive firm selling a product. Your business is making a loss because total revenue
1. 2 answers
2. asked by Michelle
3. 1,406 views
Suppose a beam of 5.0 eV protons strikes a potential energy barrier of height 5.5 eV and thickness 0.57 nm, at a rate equivalent
1. 1 answer
2. asked by Anonymous
3. 1,340 views
A gas at a pressure of 2.0 atm is contained in a closed container. Indicate the changes in its volume when the pressure
1. 2 answers
2. asked by keyisha
3. 1,338 views
At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 7.4 m above the water. One diver runs
1. 1 answer
2. asked by Marco
3. 1,325 views
The drive propeller of a ship starts from rest and accelerates at 3.00 10-3 rad/s2 for 2.05 103 s. For the next 1.75 103 s the
1. 0 answers
2. asked by Marco
3. 1,298 views
a 60 kg student jumps from a table 1.2m high. When his feet hit the floor he bends his knees so that the stopping time is .06s.
1. 1 answer
2. asked by Paul
3. 1,279 views
This is my first time using Jishka. Well, registering and using the site. I have checked the site when researching class topics
1. 2 answers
2. asked by Nolagrl
3. 1,278 views
a baseball (m = 153 g) approaches a bat horizontally at a speed of 41.0 m/s (92 mi/h) and is hit straight back at a speed of
1. 2 answers
2. asked by Kelsey
3. 1,244 views
Professor Klinger says that all of your ideas come from interaction with the environment rather than anything that you were born
1. 2 answers
2. asked by Angela
3. 1,239 views
Car 1 has a mass of m1 = 65 103 kg and moves at a velocity of v01 = +0.78 m/s. Car 2, with a mass of m2 = 92 103 kg and a
1. 1 answer
2. asked by Taylor
3. 1,200 views
an object of mass 150kg is pulled on a horizontal rough ground by a force of 900newton(N).find the coefficient of static
1. 2 answers
2. asked by john emmanuel
3. 1,185 views
In her art class, Ms. Walter has 12 students whose ages are listed below:19, 20, 20, 20, 21, 22, 24, 24, 25, 25, 56, 60 She
1. 8 answers
2. asked by Sally
3. 1,149 views
A roll of fabric was 144 inches long. A customer bought 2 feet of the fabric. How many feet of fabric were remaining?
1. 4 answers
2. asked by Sanaya
3. 1,140 views
What is the volume of a cone with a radius of 3 cm and a height of 6 cm? I can't get this one right for some reason!
1. 1 answer
2. asked by Valentina
3. 1,124 views
An object of mass 250g attached to the end of string is whirled round in horizotal circle of radius 20cm with a constant speed
1. 0 answers
2. asked by Eze
3. 1,121 views
One advantage of electron microscopes over light microscopes is their _____.A. size B. higher magnification C. two-dimensional
1. 1 answer
2. asked by lola
3. 1,110 views
how to find the lcm of 15,27
1. 1 answer
2. asked by Charles
3. 1,074 views
a boy drops a rock off a cliff. how fast will it be traveling 2 seconds after he drops it?
1. 2 answers
2. asked by braandon
3. 1,067 views
Harley-Davidson motorcycles make up 14% of all the motorcycles registered in the United States. You plan to interview an SRS of
1. 1 answer
2. asked by Manda
3. 1,066 views
In the experiment shown below, you add some salt to water.A = All of the solid dissolves (no solid at the bottom). B = You add
1. 1 answer
2. asked by Rachel
3. 1,061 views
a scientist has a 25% acid solution.how many liters of each does the scientist need to make 15L of a solution that is 28%.write
1. 1 answer
2. asked by geena
3. 1,051 views
9/16-(-3/16) SUBTRACT SHOW ALL OF YOUR WORK SIMPLIFY tHIS IS WHAT I GOT.9/16+3/16=12/16=3/4 IS WHT I got.
1. 2 answers
2. asked by Angela
3. 1,047 views
A recatangle has constant area of 200 square meters and its lenght L is increasing at the rate of 4 meters per seconda) find the
1. 1 answer
2. asked by Demetria
3. 1,036 views
A particle moving along the y-axis has the potential eneryg function U = 6 * y3 J where y is in m. What is the y-component of
1. 1 answer
2. asked by Me
3. 1,035 views
Hi,I have to draw a dot and cross diagram for NH2+ and then state the bond angles. I have done NH2-, but I am not sure how to do
1. 2 answers
2. asked by Carol
3. 1,023 views
With her box of 64 crayons, your little sister decides to draw a picture of the family: herself, you, and your parents. How many
1. 1 answer
2. asked by Leanna
3. 999 views
Random variable X is normally distributed with mean 10 and standard deviation 2.Compute the following probabilities. a. Pr(X<10)
1. 1 answer
2. asked by Sally
3. 960 views
My daughter is working on Fragments and Correcting Run ON Sentences by SCV, SCS, and SS and she did not bring home her book. I
1. 2 answers
2. asked by Jackie
3. 958 views
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A
1. 2 answers
2. asked by jim
3. 957 views
For every 7 blue chips there are 3 red chips. In a pile of 320 blue and red chips, there are ___ more blue chips than red chips.
1. 1 answer
2. asked by Anonymous
3. 954 views
A 4.40-kg model rocket is launched, shooting 53.0 g of burned fuel from its exhaust at an average velocity of 650 m/s. What is
1. 0 answers
2. asked by Eddie
3. 954 views
calculate the refractive index for a ray travelling from air to water given that the angle of incidence is 30degrees and the
1. 1 answer
2. asked by ceasar
3. 954 views
A 5kg mass is dropped from a height of 30m above the ground. Determine the velocity of the mass when it is 18n above the ground
1. 2 answers
2. asked by Wisdom
3. 946 views
Suppose the heights of women aged 20 to 29 follow approximately the N(66.7, 2.4) distribution. Also suppose men the same age
1. 1 answer
2. asked by Kelly
3. 944 views
Which of the following would be closest to a normal distribution?a.) The sampling distribution of the average weight of 40 eggs
1. 1 answer
2. asked by Manda
3. 930 views
During the first part of a trip a canoeist travels 49 miles at a certain speed. The canoeist travels 25 miles on the second part
1. 2 answers
2. asked by Kelly
3. 916 views
simplify 5+5^2(23)-(-27)
1. 1 answer
2. asked by Angela
3. 896 views
A large company has found that 40% of it employees own their own homes.a.) If we randomly select a sample of 20 employees, what
1. 0 answers
2. asked by Manda
3. 893 views
In triangle ABC, angle Bis five less than twice angle A and angle Cis sixty less than angle B. What is the measurment of all of
1. 0 answers
2. asked by Angelique
3. 891 views
I just need to know if i got these right?1.If we take out parts of our ecosystem, then other parts of it are affected. A. True
1. 4 answers
2. asked by Anonymous
3. 888 views
Find the volume V of the described solid S.The base of S is the region enclosed by the parabola y = 3 − 2x2 and the x−axis.
1. 0 answers
2. asked by Johnathon
3. 885 views
How many moles of sugar are required to react completely with 3.26 mol of oxygen?
1. 11 answers
2. asked by Anonymous
3. 882 views
Is there any simple way to predict the volume of a second back titration done on a particular antacid substance after completing
1. 1 answer
2. asked by kat
3. 881 views
An astronomical telescope has an objective lens of 80cm and an eyepiece of 5cm focal length.If the final image is formed 25cm
1. 0 answers
2. asked by ceasar1
3. 872 views
Given the equation x^2 +y^2+8y-65=0(a) Write the equation in standard form. (b) State the center, radius, and intercepts. (c)
1. 1 answer
2. asked by tiona
3. 866 views
bella baked 6 dozen cookies. she wants to keep 1 dozen and give the rest to 20 friends. she wants to give an equal number of
1. 4 answers
2. asked by Anon
3. 859 views
For each of the following draw a Venn diagram for sets A, B, and C that satisfies the given conditions:a.Draw a Venn diagram for
1. 2 answers
2. asked by Mike
3. 855 views
A 8.20 cm tall object is placed 30.0 cm in front of a concave mirror with a focal length of 4.20 cm. What is the magnification?
1. 0 answers
2. asked by TP
3. 843 views
When you write a definition of something, I was taught in school that you should not use the word you are defining in the
1. 1 answer
2. asked by Natasha
3. 841 views
Differentiate the function.h(x)= ln(x+ sqrt(x^2 -4))
1. 2 answers
2. asked by Ali
3. 834 views
GIVE REASONS WHY BRANT AND THE MOHAWKS THE IROQUOIS AND OTHERS WOULD CHOOSE TO ALLY THEMSELVES WITH THE BRITISH IN THE
1. 0 answers
2. asked by Stephanie
3. 830 views
Integral from 0 to pi/6 of (sin x + cos x) less than or equal to pi(square root 3 + 1)/12
1. 1 answer
2. asked by suhaib
3. 826 views
1.FIND THE LCM OF10X^7 AND 50X^4 2.FIND THE LCM OF x^2 -36 AND x^2 + 11x +30 3.FIND THE LCM y^3+8y^2+16y, y^2 -8y 4.FIND The LCM
1. 2 answers
2. asked by lisa
3. 819 views
Sam drives his car 23,040 miles per year. Find this rate in the number of miles driven per month, to the nearest mile
1. 2 answers
2. asked by Christina
3. 818 views
Given the equation x^2 +y^2+8y-65=0(a) Write the equation in standard form. (b) State the center, radius, and intercepts. (c)
1. 1 answer
2. asked by tiona
3. 814 views
The height of an object thrown upward with an initial velocity of 96 feet per second is given by the formula h = -16t2 + 96t,
1. 1 answer
2. asked by Emily
3. 809 views
mary's age is 2/3 of peter's. Two years ago mary's age was 1/2 of what peter's age will be in 5 years time. How old is peter
1. 2 answers
2. asked by 17halimk
3. 807 views
3. Which factor below helps species avoid extinction?A. Low reproductive rates B. high economic importance C. limited habitats
1. 2 answers
2. asked by Anonymous
3. 800 views
A crate is pulled to the right with a force of 80 N, to the left with a force of 125.8 N, upward with a force of 615.4 N, and
1. 2 answers
2. asked by Elle
3. 798 views
Which of the following characterizes the differences between House and Senate campaigns?a.House campaigns have more funding than
1. 3 answers
2. asked by Michelle
3. 782 views
which of the following is not a goal of governmetn programs?A. To enforce private property rights B. To prohibit natural
1. 1 answer
2. asked by Anonymous
3. 776 views
Four good friends, who love cats, have each named their cat after one of the other friends. Of the clues that follow, only one
1. 0 answers
2. asked by Bean
3. 771 views
mr kumar lives in the eastern part of spore . he visits his aged parents , who lives 36 km away , every weekend he finds that is
1. 1 answer
2. asked by Aldwin
3. 756 views
why did new political movements and philosophies develop during the industrial revolution
1. 1 answer
2. asked by charlita
3. 744 views
I need a help on my assignment-This is my assignment - 1.Ten years ago, you started working as a clerk for DMD Medical Supplies.
1. 2 answers
2. asked by richa
3. 744 views
A uniform heavy rope hangs freely from a support. the support is made to oscillate horizontally with a small amplitude so as to
1. 1 answer
2. asked by Kon
3. 711 views
Based on crystal field theory, which of the following metal ions will not be colored when placed in an octahedral crystal field?
1. 5 answers
2. asked by Melody
3. 694 views
Show the steps to get the derivative function of -500/x by evaluating the limit. By limit, they are referring to the equation,
1. 1 answer
2. asked by Mishaka
3. 691 views
looking at the table of 9's facts. do you see another number pattern in the multiples of 9? explain.
1. 1 answer
2. asked by boss
3. 682 views
plz plz help me with my assignment.This is the assignment:- •Your favorite cousin has moved to your town and is looking for a
1. 10 answers
2. asked by jinal
3. 679 views
Let L and M be two perpendicular lines tangent to a circle with radius 6. Find the area bounded by the two lines and the circle
1. 2 answers
2. asked by Angelina
3. 678 views
can some assist me with this assignment?It is time to choose an organizational communication scenario to use as the case study
1. 3 answers
2. asked by Hope
3. 666 views
An airplane flies due north at 220 km/h with respect to the air. There is a wind blowing at 65 km/h to the northeast with
1. 1 answer
2. asked by Martha
3. 661 views
PLEASE I NEED HELP, I DON'T GET WHAT THIS QUESTION IS ASKING FOR ? :#Were the sons of liberty justified in their treatment of
1. 8 answers
2. asked by Stephanie
3. 661 views
Complete with the correct form of the indicated verb: Los alumnos ____ cuando la profesora habla. (dormir)
1. 2 answers
2. asked by Bob Randy
3. 657 views
1. Neither the fracture nor the lacerations __________ surgery.A) require B) requires 2. He wondered __________ he should see
1. 3 answers
2. asked by Cindy
3. 655 views
Strong base is dissolved in 675 ml of 0.200 m weak acid (ka=3.25x10^-5) to make a buffer with a ph of 3.95. Assume that the
1. 1 answer
2. asked by Alexander
3. 654 views
why do you think lawyers in land claims trials refer to the royal proclamation of 1763 more then 200 years . PLEASE PLEASE I
1. 1 answer
2. asked by Stephanie
3. 652 views

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