# kirsten

Popular questions and responses by kirsten

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

2. ## calc

Use a linear approximation (or differentials) to estimate the given number. sqrt(99.6) so i think i start with f(x)=sqrt(100-x) so f'(x)= 1/2(100-x)^-1/2 (-1) using a=0 f(x)= 10 and f'(x)= -0.05 when using L(x)=f(a)+f'(a)(x-a) where x=a I get 10 + -0.05(x)

3. ## calc

lim x → ∞ tan−1(x7 − x9)

4. ## 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

5. ## 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

6. ## 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?

7. ## 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

8. ## English

Which of the following sentences have proper subject-verb 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

9. ## 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

10. ## Math

What is the mass of a stack of books in grams

11. ## Math

5.670 rounded to the nearest whole

12. ## Chemistry

How much heat is required to convert 6.78g of ice at − 14.0∘C to water at 24.0∘C ?

13. ## 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

14. ## linear algebra

Let V be the set of all real-valued 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

15. ## criminal law

What is the purpose of a grand jury issuing a true bill (criminal charge) or not.

16. ## 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?

17. ## chemistry

Calculate the ph for ch3co2h,3% dissociated at a concentration of 0.02 mol dm-3.

18. ## geography

how does airbus fit into the airbus industry

19. ## 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

20. ## 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?

21. ## 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?

22. ## Pre-algebra

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

23. ## math

use digits 45678 only write the greatest number poossible with 7 in the ten thousands place

24. ## History

more people began to arrive in the state of new south wales in australia during the mid-19th 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

25. ## 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.

26. ## history

in the early 1600 why did the population of new france not grow along with the demands for fur

27. ## 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 ?

28. ## 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

29. ## Social Studies

Describe the developments that occurred in georgia after it became a royal colony? I really need help

30. ## 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?

31. ## 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?

32. ## 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.

33. ## 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?

34. ## math

logan isn't 2 years older than Lindsey. Five years ago the sum of their ages was 30. Find Lindsey current age. X-5+2x-5=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

35. ## 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

36. ## calc

A particle moves along the curve below. y = sqrt(8 + x^3) As it reaches the point (2, 4), the y-coordinate is increasing at a rate of 5 cm/s. How fast is the x-coordinate of the point changing at that instant?

37. ## 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

38. ## 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

39. ## math

Use logarithmic differentiation to find the derivative of the function. y = (x^4 + 2)^2(x^3 + 4)^4

40. ## calc

Use logarithmic differentiation to find the derivative of the function. y = (x^4 + 2)^2(x^3 + 4)^4

41. ## 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

42. ## 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?

43. ## calc

find this value. tan(arctan(3)) how do ifind arctan 3

44. ## criminal law

How does a prosecutor make the decision to charge someone?

45. ## 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

46. ## 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

47. ## 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.

48. ## 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.

49. ## criminal justice

Explain why a grand jury is used rather than the prosecutor simply issuing a criminal charge.

6 X 1750=

51. ## Criminal Justice

What are three main issues that face corrections professionals on a regular basis and address the best responses to these issues.

52. ## Criminal Justice

How do corrections professionals use criminal theory in their practice.

53. ## 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.

54. ## 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

55. ## 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

56. ## 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

57. ## 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

58. ## 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.

59. ## 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.

1/4 * 1/2 =4D

61. ## 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

62. ## us history

How Did the Industrial Revolution impact American Society economically, socially, politically, and morally?

63. ## 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!!!

64. ## 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?

65. ## geography

what are the three things that describes what a map is

The full question is: Why is a globe more accurate than a flat map in representing the earths surface?

67. ## math

why is a globe more accurate than a flat map?

68. ## physics

The heating value of a Gas is 39MJm-3 a) If 4.5m-3 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

69. ## Physics

An industrial worker accidentally inhaled a radioisotope with an activity of 0.200 kBq. The substance swallowed has a very long effective half-life and therefore the activity will not change significantly during the workerâ€™s lifetime. Every decay of

70. ## 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?

71. ## 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

72. ## 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

73. ## 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?

74. ## 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,

75. ## Science

How do you model an atom?

76. ## Math

What is 19x7x3x83?

77. ## Math

How do you multiply decimals?

78. ## science

why were sodium and magnesium not discovered until recent times?

79. ## 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

1. ## physics

good for you

posted on April 17, 2020
2. ## Focus on the Child, Part 2

b denying doesnt help solve the problem

posted on November 12, 2019
3. ## English

posted on April 26, 2019
4. ## English

proper

posted on April 26, 2019
5. ## English

I think the answer is B.

posted on April 26, 2019
6. ## math

this has helped me alot i have been stuck on this question for a very long time>

posted on November 19, 2018
7. ## spanish

bucear

posted on October 27, 2016
8. ## algebra

thanks Rachel

posted on October 1, 2016
9. ## math mean,median,mode,range

To Toni: the mode is 3, the mean is 5, the median is 4.

posted on May 15, 2016
10. ## Math

6.35714285714

posted on December 2, 2015
11. ## Social Studies

I still do not understand can you help me a little bit more

posted on October 1, 2015
12. ## calc

okay , thanks!

posted on March 22, 2015
13. ## criminal law

Thank you Ms. Sue, this one has helped a bunch!

posted on January 19, 2015
14. ## criminal law

Based on the evidence and the probable decsion of the grand jury?

posted on January 19, 2015
15. ## criminal law

I just cannot seem to understand the question. Is it asking for my opinion or what?

posted on January 19, 2015
16. ## Criminal Justice

Thank you:)

posted on January 19, 2015
17. ## criminal justice

okay thank you the nolo site helped a lot

posted on January 19, 2015
18. ## criminal justice

Introduction to Criminal Justice

posted on September 23, 2014
19. ## criminal justice

there is only a glossary and a reference page D:

posted on September 23, 2014
20. ## criminal justice

Still unable to find the answer...

posted on September 23, 2014