kirsten
Popular questions and responses by kirsten
Math (Please Help)
3. A hot air balloon is at a height of 2,250 feet. It descends 150 feet each minute. Find it's height after six, eight, and ten minutes. Make a table to show the pattern of heights. Write an expression for the balloon's height at "m" minutes. This one just
asked on September 18, 2013 
calc
Use a linear approximation (or differentials) to estimate the given number. sqrt(99.6) so i think i start with f(x)=sqrt(100x) so f'(x)= 1/2(100x)^1/2 (1) using a=0 f(x)= 10 and f'(x)= 0.05 when using L(x)=f(a)+f'(a)(xa) where x=a I get 10 + 0.05(x)
asked on March 22, 2015 
calc
lim x → ∞ tan−1(x7 − x9)
asked on February 15, 2015 
linear algebra
Which of the given subsets of R3 are subspaces? (a) The set of all vectors of the form [a;b;0] b)The set of all vectors of the form [a;b;c] where a > 0. c) The set of all vectors of the form [a;c;c] d) The set of all vectors of the form [a;b;c] where 2a
asked on February 22, 2015 
math
Which of the following subsets of the vector space Mnn are subspaces? (a) The set of all n × n symmetric matrices (b) The set of all n × n diagonal matrices (c) The set of all n × n nonsingular matrices
asked on February 25, 2015 
Chemistry
How would the absorbance of the standard solution have been affected if 0.00050 M NaSCN had been used in place of 0.00040 M NaSCN?
asked on March 10, 2011 
physics
1. The volume of a gas is 10.0 liters and its pressure is 1.5 atm. If the pressure is decreased to 0.75 atm, what is its new volume? 2. The pressure of a gas is 100.0 kPa and its volume is 500.0 ml. If the volume increases to 1,000.0 ml, what is the new
asked on April 17, 2020 
English
Which of the following sentences have proper subjectverb aggrement? 1. The student in our band is going to the football game. 2. The group of fans is making a barrier for the football games. 3. The teams meet in the respective locker rooms before the
asked on April 26, 2019 
linear algebra
Which of the given subsets of R3 are subspaces? (a) The set of all vectors of the form [a;b;0] b)The set of all vectors of the form [a;b;c] where a > 0. c) The set of all vectors of the form [a;c;c] d) The set of all vectors of the form [a;b;c] where 2a
asked on February 23, 2015 
Math
What is the mass of a stack of books in grams
asked on June 3, 2020 
Math
5.670 rounded to the nearest whole
asked on May 20, 2020 
Chemistry
How much heat is required to convert 6.78g of ice at − 14.0∘C to water at 24.0∘C ?
asked on March 16, 2015 
astronomy
I just wanted to check to make sure I put these in the right order steps of a low mass star a clump forms in a giant molecular cloud. then a prostar forms hydrogen fusion begins the star moves onto the red giant branch, then a helium flash occurs the star
asked on March 8, 2015 
linear algebra
Let V be the set of all realvalued continuous functions defined on R1. If f and g are in V, we define f ⊕ g by (f ⊕ g)(t) = f(t) + g(t). If f is in V and c is a scalar, we define c f by (c f)(t) = cf(t). Then V is a vector space, which is denoted by
asked on February 26, 2015 
criminal law
What is the purpose of a grand jury issuing a true bill (criminal charge) or not.
asked on January 19, 2015 
algebra
Train A leaves a station traveling at 80km/h. Two hours later, train B leaves the same direction at 90km/h. How long does it take train B to catch up to train A?
asked on November 3, 2013 
chemistry
Calculate the ph for ch3co2h,3% dissociated at a concentration of 0.02 mol dm3.
asked on August 2, 2011 
geography
how does airbus fit into the airbus industry
asked on June 1, 2008 
Biology
TRUE or FALSE? 1) A cell whose membrane potential is zero is in an ISOTONIC environment 2) Gases enter a cell FASTER than liquids at a given temperature 3) When a plasma membrane has a pressure of zero, passive transport STOPS
asked on November 27, 2007 
Algebra
a choral group sells a total of 225 tickets to its first show. A student ticket costs $5. An adult ticket costs $8. Total ticket sales are $1,425. How many of each type of ticket were sold?
asked on April 23, 2020 
Math
The volume of a rectangular solid is 180 cubic centimeters. The length is 10 centimeters and the width is 4 centimeters. Using the formulas V=lwh, what is the solid in centimeters?
asked on May 9, 2018 
Prealgebra
List two different equations for the following situation. Linda buys a new car. She travels 96 miles using 4 gallons of gasoline. Let m = the number of miles Lina travels. Let g = the number of gallons of gasoline she uses
asked on October 19, 2017 
math
use digits 45678 only write the greatest number poossible with 7 in the ten thousands place
asked on June 19, 2016 
History
more people began to arrive in the state of new south wales in australia during the mid19th century because A) slavery was made illegal B) there was a massive gold rush C) the war in the americas ended D) the country gained independence
asked on May 18, 2016 
History
Which of these was the MOST important result of the deaths of much of the Indian population in South America? A) The importation of slaves from Africa B) The removal of the Jesuits from South America C) The call for an end to colonization of the Americas.
asked on May 18, 2016 
history
in the early 1600 why did the population of new france not grow along with the demands for fur
asked on March 8, 2016 
Math
Monica lives 8/10 of a mile from Jack and 3/4 of this distance from Adam. How far does she live from Adam ?
asked on March 1, 2016 
Physics
Hail forms high in the atmosphere and can be accelerated to a high speed before it reaches the ground. Estimate the terminal speed of a spherical hailstone that has a diameter of 2.8 cm. Hint: The mass of a piece of hail that has a volume of 1 cm3 is about
asked on January 23, 2016 
Social Studies
Describe the developments that occurred in georgia after it became a royal colony? I really need help
asked on September 30, 2015 
physics
During an Apollo lunar landing mission, the command module continued to orbit the Moon at an altitude of about 113 km. How long did it take to go around the Moon once?
asked on September 24, 2015 
Physics
An automobile has four tires, each one inflated to a gauge pressure of 176,357 Pa. Each tire is slightly flattened by its contact witht he ground, so that the area of contact is 21.9 cm by 17.9 cm. What is the weight of the automobile?
asked on July 24, 2015 
math urgent
let V=R^3 and S={u1,u2,u3}=[1;2;0],[1;0;0],[1;0;1] These are three vectors 1 by 3 use gschmidt to obtain an orthogonal basis and then find the coordinates of x=[1;2;3] relative to this basis.
asked on March 25, 2015 
calc
A plane flies horizontally at an altitude of 5 km and passes directly over a tracking telescope on the ground. When the angle of elevation is π/3, this angle is decreasing at a rate of π/3 rad/min. How fast is the plane traveling at that time?
asked on March 23, 2015 
math
logan isn't 2 years older than Lindsey. Five years ago the sum of their ages was 30. Find Lindsey current age. X5+2x5=30. 1 + 0= 30. I don't think this right I tried I can't get the right answer. According to the common core the answer is supposed to be
asked on March 11, 2015 
linear algebra check question
I just want to make sure my reasoning is correct. Let A be a 7X3 matrix whose rank is 3 a)are the rows of A linearly dependent or independent? I said dependent because a matrix whose rank is 3 means the row rank is 3, but if there are 7 rows then they have
asked on March 10, 2015 
calc
A particle moves along the curve below. y = sqrt(8 + x^3) As it reaches the point (2, 4), the ycoordinate is increasing at a rate of 5 cm/s. How fast is the xcoordinate of the point changing at that instant?
asked on March 5, 2015 
math
Is the only way to check if a set of vectors are linearly indep. is if the det does not equal 0? I have a problem where v1= [1;2;1;1] v2=[0;2;1;1] v3=[3 1 0 2] but this creates a 3X4 matrix and you can't find the det of this. I am really confused! thanks
asked on March 4, 2015 
linear(hw check)
determine if v1= [ 2 1 0] v2=[ 1 1 3] v3=[ 0 1 6] spans the vector space of rows with three real entries which has dimension 3. so I wanted to make sure I did this correct. First I created a matrix with v1,v2,v3 as the columns (so for example column 1= 2
asked on March 4, 2015 
math
Use logarithmic differentiation to find the derivative of the function. y = (x^4 + 2)^2(x^3 + 4)^4
asked on February 26, 2015 
calc
Use logarithmic differentiation to find the derivative of the function. y = (x^4 + 2)^2(x^3 + 4)^4
asked on February 25, 2015 
Algebra
Bob and Ray are describing the same number. bob says the number is a positive even integer less than or equal to 20. Ray says the number is divisible by 4. If bobs statement is true, and Rays statement is false what are all the possible numbers? PLEASE
asked on February 25, 2015 
linear algebra
show that the only subspaces of R1 are 0 and R1 itself. okay , so I don't know if I'm making it more complicated than it is, but R1 is just a point right? so i don't know how i would prove this?
asked on February 15, 2015 
calc
find this value. tan(arctan(3)) how do ifind arctan 3
asked on February 14, 2015 
criminal law
How does a prosecutor make the decision to charge someone?
asked on January 19, 2015 
criminal law
I am having a hard time understanding how to answer this question. Discuss whether or not a defense attorney and/or the defendant can address a grand jury and provide reasoning for why a defense attorney and/or the defendant would choose to attend or not
asked on January 19, 2015 
Criminal Justice
1.) Provide all the procedural and substantive ways that a prosecutor and a defense attorney can resolve a case before it goes to a grand jury. 2.) Explain all the procedural and substantive dispositions of a case between a prosecutor and a defense
asked on January 19, 2015 
Criminal Justice
Based on the evidence presented by the prosecutor and the finding of probable cause that a crime was committed, discuss the purpose of a grand jury issuing a true bill (criminal charge) or not.
asked on January 19, 2015 
Criminal Justice
Discuss whether or not a defense attorney and/or the defendant can address a grand jury and provide reasoning for why a defense attorney and/or the defendant would choose to attend or not attend the grand jury proceeding.
asked on January 19, 2015 
criminal justice
Explain why a grand jury is used rather than the prosecutor simply issuing a criminal charge.
asked on January 19, 2015 
multiplcation
6 X 1750=
asked on December 21, 2014 
Criminal Justice
What are three main issues that face corrections professionals on a regular basis and address the best responses to these issues.
asked on September 23, 2014 
Criminal Justice
How do corrections professionals use criminal theory in their practice.
asked on September 23, 2014 
criminal justice
In what ways do corrections professionals use the social justice principles of equality, solidarity, and human rights to build a more just society.
asked on September 23, 2014 
math
x 1 2 3 4 5 P(X=x) 0.1 0.2 a b 0.2 Given that E(X)=3.1, calculate the value of a and b
asked on September 25, 2013 
math
Find the value of p in each of these probability distributions x 5 7 9 11 13 P(X=x) p p p 0.12 0.04 x 2 0 1 3 P(X=x) 2/9 1/9 p 2/9 x 4 1 2 5 8 P(X=x) 0.12 0.24 p 2p 0.07
asked on September 25, 2013 
math
In the game of roulette a ball rolls into one of 37 slots. All the slots are evenly likely. Eighteen of the slots are red, eighteen are white and 1 is green. the ball is rolled 10 times. Calculate the probability of exactly 6 reds? the answer is 0.l94
asked on September 24, 2013 
math
A fair six sided dice has the faces numbered from 1 to 6. The dice is thrown 4 time. Calculate the probability of exactly 2 fives. the answer is 25/216
asked on September 24, 2013 
MATH
1. The cost in dollars of an "n" mile trip with the Supreme Taxi Service is given by 1.5 + 1.75n. The cost of an "n" mile trip using Town Taxi Service is given by 1.9 + 1.6n. For rides between 1 and 10 miles, which service would you choose? Explain. 2.
asked on September 18, 2013 
Algebra
1. The cost in dollars of an "n" mile trip with the Supreme Taxi Service is given by 1.5 + 1.75n. The cost of an "n" mile trip using Twon Taxi Service is given by 1.9 + 1.6n. For rides between 1 and 10 miles, which service would you choose? Explain. 2.
asked on September 17, 2013 
6th grade math
1/4 * 1/2 =4D
asked on January 16, 2012 
Calculus
A farmer wishes to enclose a long rectangular pin that will then be divided into four separated, adjacent pins (all 4 pins are in a row) for different breeds of farm animals. He has 1100 feet of fencing available for use. What should the dimensions of the
asked on December 1, 2011 
us history
How Did the Industrial Revolution impact American Society economically, socially, politically, and morally?
asked on November 30, 2011 
Physics
How many slices of pizza must you eat to walk for 1.0 h at a speed of 5.0 km/h? (Assume your mass is 68 kg). Our book provides: One slice of pizza's energy content is 300 cal, or 1260 KJ. To walk at 5 km/h= 380 W of a 68 kg individual. Thanks!!!
asked on April 14, 2011 
Chemistry
Assume that it is necessary to determine the [Fe3+] in a solution that may be in the .0001 to .0005 M range. Outline a spectrophotometric method that would accurately give the required data?
asked on March 10, 2011 
geography
what are the three things that describes what a map is
asked on December 1, 2010 
5th grade math
The full question is: Why is a globe more accurate than a flat map in representing the earths surface?
asked on August 30, 2010 
math
why is a globe more accurate than a flat map?
asked on August 30, 2010 
physics
The heating value of a Gas is 39MJm3 a) If 4.5m3 of the gas is burned how much energy is released? b) If the gas is burned in 5 minutes what is the power? c) If the burning occurs in an engine that converts the energy to forward motion and the engine is
asked on July 22, 2010 
Physics
An industrial worker accidentally inhaled a radioisotope with an activity of 0.200 kBq. The substance swallowed has a very long effective halflife and therefore the activity will not change significantly during the workerâ€™s lifetime. Every decay of
asked on May 16, 2010 
Physics
If a 5.40g bullet is fired horizontally into a suspended(hanging)10kg block of wood and causes the block, with bullet embedded, to move off with horizontal velocity of 0.30m/s, What is the impact velocity of the bullet?
asked on April 15, 2010 
Physics
A 1000kg car is traveling along a level road at 20.00ms, when the brakes are applied long enough to do 50000 J of work. 1) what is the initial kinetic energy of the car? 2) if the car moved 100m while the brakes where applied, what was the average force
asked on April 13, 2010 
Chemistry
(1) Which of the following clusters of orbitals would form the shape trigonal bipyramidal and would also be possible within the valence shell of an atom? a.) one d orbital b.) five d orbitals c.) five sp^3 orbitals d.) five sp^3d orbitals e.) five sp^3d^2
asked on April 1, 2010 
algebra
what is the largest multiple of 12 that can be written using each digit 0,1,2,3,4,5,6,7,8,9 exactly once?
asked on January 20, 2010 
Physics
Hi Guys! Need help with this physics problem, I have no idea how to set it up or how to visualize it but would appreciate any help. Instructions for finding a buried treasure include the following: Go 80 paces at 235°, turn to 130° and walk 115 paces,
asked on October 19, 2008 
Science
How do you model an atom?
asked on October 2, 2008 
Math
What is 19x7x3x83?
asked on October 1, 2008 
Math
How do you multiply decimals?
asked on October 1, 2008 
science
why were sodium and magnesium not discovered until recent times?
asked on September 2, 2007 
smoking
when did the surgeon general issue the first report indictating that secondhand smoke is dangerous to nonsmokers http://www.surgeongeneral.gov/library/history/biokoop.htm See if this helps any. I see the date of 1964 as the beginning of the Public Health
asked on November 22, 2006

physics
good for you
posted on April 17, 2020 
Focus on the Child, Part 2
b denying doesnt help solve the problem
posted on November 12, 2019 
English
my next answer was c
posted on April 26, 2019 
English
proper
posted on April 26, 2019 
English
I think the answer is B.
posted on April 26, 2019 
math
this has helped me alot i have been stuck on this question for a very long time>
posted on November 19, 2018 
spanish
bucear
posted on October 27, 2016 
algebra
thanks Rachel
posted on October 1, 2016 
math mean,median,mode,range
To Toni: the mode is 3, the mean is 5, the median is 4.
posted on May 15, 2016 
Math
6.35714285714
posted on December 2, 2015 
Social Studies
I still do not understand can you help me a little bit more
posted on October 1, 2015 
calc
okay , thanks!
posted on March 22, 2015 
criminal law
Thank you Ms. Sue, this one has helped a bunch!
posted on January 19, 2015 
criminal law
Based on the evidence and the probable decsion of the grand jury?
posted on January 19, 2015 
criminal law
I just cannot seem to understand the question. Is it asking for my opinion or what?
posted on January 19, 2015 
Criminal Justice
Thank you:)
posted on January 19, 2015 
criminal justice
okay thank you the nolo site helped a lot
posted on January 19, 2015 
criminal justice
Introduction to Criminal Justice
posted on September 23, 2014 
criminal justice
there is only a glossary and a reference page D:
posted on September 23, 2014 
criminal justice
Still unable to find the answer...
posted on September 23, 2014