# Krista

Most popular questions and responses by Krista
1. ## world history

Which best describes the Dutch East India Company? it was a Multinational corporation used to boost trade with Asian territories. it was the worlds largest shipbuilding company located in North america it was a team of mercenaries and militia hired by

2. ## world history

Pope Innocent III called for a Crusade against European heretics (1). These Crusades were against fellow Christians because their interpretation of Christianity did not align with the official doctrines of the Catholic Church (2). Church doctrine forbids

3. ## physics

calculate the centripetal acceleration of the earth in its orbit around the sun and the net force exerted on the earth. What exerts this force on the earth? Assume that the earth's orbit is a circle of radius 1.50x10^11m. (earth's mass= 5.98x10^29kg, Sun's

4. ## world history

During the Renaissance, humanist ideas swept through Europe (1). Humanism launched the Scientific Revolution, resulting in advancements in metallurgy, anatomy, and astronomy (2). Humanist ideals mimicked the feudal system to identify classes of people (3).

5. ## chemistry

an aluminum cylinder is 10.0 cm in length and has a radius of .25 cm. if the mass of a single atom of aluminum is 4.48X10^-23 calculate the number of aluminum atoms present in the cylinder. the density of aluminum is 2.70 g/cm^3 Please answer quickly.

6. ## Math

The population of a country is 313 million and there were 45,600 deaths due to kidney disease. What is the rate of deaths per 10,000 of the population of the country?

7. ## Math

Match each ratio in the first row with an equivalent ratio from the second row if angle A plus angle B = 90 degrees. SinA CosA TanA CscA SecA CotA SinB CosB TanB CscB SecB CotB Pleaseeee help!!

8. ## chemistry

A solution of 11.7 g of fructose in 325 g of ethanol has a boiling point of 78.59 C. The boiling point of ethanol is 78.34 C and kb for ethanol is 1.2 C/m. What is the molecular weight of fructose?

9. ## Statistics

A telephone company's goal is to have no more than 4 monthly line failures on any 100 miles of line. The company currently experiences an average of 5 monthly line failures per 50 miles of line. Let x denote the number of monthly line failures per 100

10. ## math algebra

The problem is: Find an equation for the line, in general form, with the given properties: slope =4; containing the point (-2, -4)

11. ## physics

A long string is wrapped around a 6.2cm diameter cylinder, initially at rest, that is free to rotate on an axle. The string is then pulled with a constant acceleration of 1.9 m/s^2 until 1.0 m of string has been unwound. If the string unwinds without

12. ## Physics

In the vertical jump, Kobe Bryant starts from a crouch and jumps upward to reach as high as possible. Even the best athletes spend little more than 1.00 second in the air (their "hang time"). Treat Kobe as a particle and let ymax be his maximum height

13. ## Statistics

Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation to find the probability

14. ## Physics

The arm of a crane at a construction site is 13.1 m long, and it makes an angle of 20° with the horizontal. Assume that the maximum load the crane can handle is limited by the amount of torque the load produces at the base of the arm. (a) What is the

15. ## Art

Why do some people feel the wall for peace in Paris is unsightly ?

16. ## Geometry

Three coplanar lines always make a triangle? Find a counter example.

17. ## math

evaluate: cos (arc sin (4/5) - arc tan 2) with out using a calc.

18. ## Physics

A rocket with a mass of 345 kg is launched vertically. the engine produces a thrust of 17000 N. Neglect air resistance. a. How would I determine the weight of the rocket? b. What is the net force being applied to the rocket?

19. ## Math

Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation to find the probability

20. ## math

The equation of line AB is (y-3) = 5 (x - 4). What is the slope of a line perpendicular to line AB?

21. ## Math

Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x))

22. ## Calculus

Determine whether the planes are parallel or orthogonal. Equations given: 5x - 3y + z = 4 x + 4y + 7z = 1 How exactly do I solve this? It wasn't covered completely in class.

23. ## chemistry

Nitrosyl chloride, NOCL, decomposes to NO and C1 in accordance with the following equation: 2NOC1(g)--> 2NO(g)+ C1 2(g) Determine the rate equation and the rate constant for the reaction for the following data: [NOC] 0.10 0.20 Rate, M/s 0.8 x 10(-3) 3.20 x

24. ## Pre-calculus

How do you write an equation of a translated line given the equation of the original line and both the translated and original lines on a graph?? Thanks in advance!!

25. ## math

The equation of line AB is y = 2x + 4. Write an equation of a line parallel to line AB in slope-intercept form that contains point (3, -2).

Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x))

27. ## Vectors/Calculus

The question asks me to find the area of the triangle with the given vertices. (The area A of the triangle having u and v as adjacent sides is given by A=1/2 ||u x v||.) the vertices are: (0,0,0) (1,2,3) (-3,0,0)

28. ## Biology

I need some help with these questions. I've chosen answers, but I want to make sure if they are correct. 1)Which of the following is an acidic pH? 6 7 8 800 A: 6 None of the above ------------------------------------- 2) Which of the following is directly

29. ## Physics

For no apparent reason, a poodle is running counter-clockwise at a constant speed of 3.00 m/s in a circle with radius 2.9. Let v_1 be the velocity vector at time t_1, and let v_2 be the velocity vector at time t_2. Consider \Delta v = v_2-v_1 and \Delta t

30. ## chemistry

Calculate the molarity of NaI in a soultion obtained by adding 5.0 mL of 0.2 M NaI to a mixture of 5.0 mL of 0.2 M K2SO4,5.0 mL K2S2O8, 4.0 mL of H2O and 1.0 mL of Starch

31. ## math

How do you find a range to estimate each sum 388+192+741 Thank you.

32. ## math

The equation of line AB is y = 2x + 4. Write an equation of a line parallel to line AB in slope-intercept form that contains point?

33. ## Geometry

2,3,5,7,11... What is the inductive reasoning?

34. ## Geometry

3,4.5,6.75,10.125... what is the inductive reasoning?

35. ## Geometry

2,3,5,7,11.... What is this inductive reasoning?

36. ## Chemistry II

An analgesic mixture is 37.5% aspirin by mass. How many grams of the mixture are needed to provide 325 mg aspirin. Make sure to show your work.

37. ## Statistics

Seven thousand raffle tickets are to be sold at \$10 each to benefit a local community group. The prizes, the number of each prize to be given away, and the dollar value of winnings for each prize are as follows: Prize Number to Be Given Away Dollar Value

38. ## math

how do I calculate 22 x n is between 80 and 85 please

39. ## math 191

Compute the difference quotient: [(f(x)- f(a))/(x-a)].. for f(x)= (-1/x^2)

41. ## precal

Evaluate tan B tan C if triangle ABC is not a right trianlge and cos A=cosB cosC.

42. ## Precal nightmare

Show that: sec (A-B)= (cos(A+B))/(cos^2 A-Sin^2 B)

43. ## Precal

show that: (1-tanx)/(1+tanx)= (1-sinx)/(cos2x)

44. ## math 191 calc

((sqr 3)sin t)-((sqr 1)+(sin^2)*t)=0

45. ## Pre-calculus

How do you write an equation of a translated line given the equation of the original line and both the translated and original lines on a graph?? Thanks in advance!!

46. ## Math

A store sells boxes of chocolates wrapped with a bow . If the bow is made from a 15 inch length of ribbon: A) how much ribbon remains from a roll which is 10 yards long after 20 boxes have been wrapped? B) How many more boxes can be wrapped in this way?

47. ## Physics

If you step on your car's brakes hard, the wheels stop turning (i.e., the wheels "lock") after 1.5 revolutions. At the same constant acceleration, how many revolutions do the wheels make before stopping if your initial speed is twice as high?

48. ## physics

In a historical movie, two knights on horseback start from rest 60 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.20 m/s2, while Sir Alfred's has a magnitude of 0.28 m/s2. Relative to Sir George's

49. ## physics

Brookney kicks a soccerball with a speed of 17m/s at 43 degress above the horizon. How far does the ball go before it hits the ground?

50. ## math

how do you find the rule to a f(x) problem?

51. ## English

How do you find a verbal phrase in a sentence then identify it as a gerund, particpial, or infinitive phrase?

52. ## math-191

show that k(x)= (5x^3) + (5/x^3) - x- (1/x)

53. ## math 191- calc

sect + tan t= (sqr 3)

54. ## philosophy

just a question... do you guys edit essays here? (for grammar/sentence structure?)

55. ## math 1

The vertices J(2,6), K(7,8), L(9,3), and M(?, ?) determine a square. Show your work to find the coordinates of M. Use complete sentences and proper grammar to give a justification why JKLM is a square.

56. ## Algebra

Consider the line =y+76x2 . Find the equation of the line that is parallel to this line and passes through the point , −7 4 . Find the equation of the line that is perpendicular to this line and passes through the point , −7 4 .

57. ## Physics

Can you help me understand the graphic relationship between d vs t, v vs t, and a vs t?

58. ## Math

The following diagram represents a coffee table . If the scale is 1:30, determine the actual dimensions of the table it is 41/2 length and 2

59. ## Math

To support a damaged tree, a guy wire is attached to it and secured to a peg in the ground some distance away ( see the diagram below). 2 ft is by the guy wire 8 ft and 50 degrees

60. ## Math

A room measures 15 ft by 12 ft . Sketch and label a diagram and then calculate its area and perimeter

61. ## Geometry

2,3,5,7,11.... What is this inductive reasoning?

62. ## Geometry

3,4.5,6.75,10.125... what is the inductive reasoning?

63. ## Math

What is the better deal? Earning \$1000 a day for the rest of your life or earning \$.01 the first day and doubling it every day for the rest of yor life. How do you know?

64. ## Math

Seven thousand raffle tickets are to be sold at \$10 each to benefit a local community group. The prizes, the number of each prize to be given away, and the dollar value of winnings for each prize are as follows: Prize Number to Be Given Away Dollar Value

65. ## chemistry

Very carefully explain which will evaporate faster under conditions: 50.0 mL of distilled waater or 50.0 mL of sea water.

66. ## physics

Momentum of a bullet of mass 1.34 x 10-3 slug traveling 735 ft/ s

67. ## math

23 students went to the school store, 17 bought pencils,12 bought paper, how many purchased both?

69. ## math

Pg 220 # 59 Is this answer given correct for the following question?If it is not correct what is the appropriate answer Question: A quantity and its two-thirds and its half and its one-seventh together make 33. Find the quantity Answer: 14+ ¼ + 1/56 +

70. ## science

i have a joke my science teacher asked my lab partner what is the density of water for are project it was 1.0 he said boiling it she said no then he said buring it she said no then he said throwing it of a rocet And I don't get it.

1. ## world history

thank you :)

posted on June 17, 2018
2. ## Math

3 is actually A, but Nachelle is correct with the rest.

posted on November 3, 2017
3. ## History

Hannah is correct! I got a 100!

posted on October 4, 2017
4. ## Social studies

The answers for Question 3, is not C. The right answer is A.

posted on April 28, 2017
5. ## Science

i got 2/5!!!! !@#\$%^& you

posted on March 27, 2016
6. ## Science

Not correct kpop!

posted on March 27, 2016
7. ## Science

what about the 5 th question

posted on March 27, 2016
8. ## PRECALC

Who the hell is on here at 1:30 in the morning?

posted on March 26, 2016

Start with the idea that some of the students can be paired (boy/girl, boy/girl, boy/girl... Then ask what (or who) will be left over after the pairing.... 9 boys. So have the child set the 9 boys apart... so instead of pairing 25 students we'll pair....be

posted on January 29, 2015

Brainstorm the phrase 'Wherever you go, there you are'

posted on January 29, 2015
11. ## trig

I believe that the final step would be 35 divided by tan20. As Steve explained, the angle between the ground and the shadow is 20 (complementary to the 70) and TAN is opposite/adjacent or the 35m height of tree divided by the unknown length of shadow.

posted on January 29, 2015
12. ## jm

Running, playing, etc.

posted on September 24, 2013
13. ## Chemistry II

Thank you so much!

posted on September 3, 2013
14. ## Vectors/Calculus

Thank you!

posted on April 7, 2013
15. ## math

Thanks so much.

posted on September 8, 2011
16. ## math

Thank you. So would my range be 1200 - 1400?

posted on September 8, 2011
17. ## English

hi. I am bit confused with the poem...does Barbara know that Nathan is blind before she pulls the faces..or does she figure out that nathan is blnd at the end,by saying the line"THen, she stiffens and frowns"??

posted on December 2, 2010
18. ## PHYSICS

okay thanks i get it (:

posted on October 17, 2010
19. ## math 191

im sorry, i wrote the question wrong, its supposed to be: f(x)=(-3/x^2), but i think i can follow this same format to solve this one too right?

posted on May 22, 2010
20. ## math-191

ohh i see duh!! lol thanks =)

posted on April 13, 2010
21. ## math-191

yea i realize that but the question says "show" that they equal each other. im thinking possibly by some sort of identity or something.

posted on April 13, 2010
22. ## math-191

^ sorry didn't finish: show that k(x)= k(1/x)

posted on April 13, 2010