# Jill

Newest questions and responses by Jill
1. ## math

what is an example of a pair of equations

2. ## geometry

Constructing Perpendicular Lines same as last time, i need an exact example of these instructions, if someone could share it with me, it would be greatly appreciated Draw a line and a point on the line. Label the point K. With the point end of the compass

3. ## geometry

"We use different formulas to find the distance of a segment on a number line, d=|a−b|" role="presentation" style="display: inline; font-size: 16px; position: relative;">d=|a−b|, and the distance of a segment in the coordinate plane,

4. ## Math

A class has 5 girls 7 boys in seventh grade. 2 girls and 2 boys in eight. Randomly selects a seventh and eight grader. What is probability that the students picked are girls

5. ## math/science

a car starts from rest and move at a speed of 30 kph after half an hour.what is the car's acceleration

6. ## Social studies help quick

Why do United States citizens have civic responsibilities? A in a republic the president can order any citizen to help. B in a democracy every citizen must earn their rights C in a democracy the country is run by all citizens working together. D in a

7. ## Quick social studies help

Why dis the great comprise establish a two-house legislature? A to fairly represent all states B to allow population growth C to provide checks and balances D to prevent unconstitutional laws

8. ## Math

3x-4y=8 5x+3y=23 Based on the above system of 2-equations, which of the following values (x+y) equal? 10, 8, 7, or 5

9. ## geometry

Do you use the formula: (n-2)180 / n to find the measure of each arc that corresponds to a side of a polygon? Example: a hexagon (6-2))180/6 = 120 ?

10. ## geometry

when do you use the following formula: (n-2)180 divided by n

11. ## geometry

what is the measure of the arc of a regular octagon inscribed in a circle? i think it is 45. am i correct

12. ## math

Claire jogs around an oval track and is able to complete one lap in 5 minutes. If she jogs at the same pace for 42 minutes, how many laps would she be able to jog? Write an inequality and find the number of whole laps Claire completes.

13. ## English

What is the linking verb in the sentence: I am fond of both kinds of comics.

14. ## statistics

10th grade New York public school students taking a standardized English test produced test scores that were normally distributed with a mean of 85 and a standard deviation of 4. Let x be a random variable that represents the test score of a student.

15. ## geometry

once you find the voume in cubic inches, how do you convert to cubic feet?

16. ## geometry

what are the step to find the volume of an aquarium in cubic feet when its height is 25 1/2 inches and its radius 21 inches?

17. ## geometry

a rectangular prism has a total surface area of 166mm^2, a height of 4mm, a width of 5mm. what is the length of the prism?

18. ## Physics

Calculate the speed a spherical rain drop would achieve falling from 5.00 km (a) in the absence of air drag (b) with air drag. Take the size across of the drop to be 4 mm, the density to be 1.00×103 kg/m3 , and the surface area to be πr2

19. ## geometry

using the slope y-intercert equation, how do you write an equation that passes through point p and is parallel to the line. P(2,4), y = -3x. Is it y = -3x + 10? Thanks

20. ## geometry

the area of a triangle is 27 square feet. its height is three times the length of its base. find the height and base of the triangle. i am unsure of how to set it up, please help

21. ## Algebra

You are playing with a pile of beads and notice if you put them in groups of 4 you have 3 beads left over, in groups of 5 you have 4 beads left over and in groups of nine you do not have any left over. What is the smallest number of beads. Left over

22. ## Math

A rotating water sprinkler can spray water a distance of 15m. What area of grass can the sprinkler cover?

23. ## Math

When two-fifths of a number is increased by 15 the result is 27. What is the number?

24. ## ENGLISH

i do know three caitlyns, and my brother know at least three kaylas. i do know three caitlyns is underlined and i need to know if it is independenr adverbial adjectival or noun clause? THanks

25. ## algebra

Problem reads: y^a multiplied by y^a+2

26. ## algebra

simplify: y^a x y^a+2

27. ## algebra

how do you add: a^2(ab^3)^2 + b^2(a^2b^2)^2

28. ## Math

Find the volume of a sphere with radius 9 yd. A. 3,829.7 yd3 B. 3,052.1 yd3 C. 381.5 yd3 D. 339.1 yd3 the answer is B=3052.1

29. ## Math

A rectangular picture frame measures 4.0 inches by 5.5 inches. To cover the picture inside the frame with glass costs $0.99 per square inch. What will be the cost of the glass to cover the picture? My answer is$21.78 is this right

30. ## math

Nancy drove 110 km using 13.5 liters of gas. What was her gas mileage in miles per gallon? A. 3.47 B. 68.2 C. 19.14 D. 20 The answer is D=20 gallons

31. ## algebra

is this problem NO SOLUTION. Im unable to solve. x(3-x)=x-(x^2-2x+4)

32. ## Pre algabra

Looking for help on this. Can you help

33. ## chemistry

Predict how the compound Calcium Chloride would react to calcium nitrate, silver nitrate, Silver Nitrate + Ammonium Hydroxide,Silver Nitrate + Sodium Thiosulfate?

34. ## biology

which occurs during the krebs cycle? 1) breaking down pyruviate 2) capturing light energy 3) creating glucose molecules 4) producing ethyl alcohol ?

35. ## MATHS (sets)

A survey was made about two daily newspapers, LOS ANGELES TIMES and THE NEW YORK TIMES, 105 people bought Los Angeles Times, 25 did not buy Los Angeles Times, 95 did not buy New York Times, while 83 bought Los Angeles times but not New York Times. How many

36. ## algebra

how do you solve q(x) = 6 - 5x ; 21

52. ## math

the ratio of boys to girls is 7:8 How many boys are there in school if there are 968 girls? My answer is 581 boys is this correct??

53. ## math

3r+b/a +y =w solve for r would the answer be r=wa-y-b/3

54. ## algerbra

1/4(x-h)=p+c solve for x

55. ## Biology

what is the scientific meaning to the word foundation?

56. ## Chemistry

A technician mixes a solution containing silver nitrate with a solution containing sodium chromate. 2.89 g of precipitate is produced (assume silver chromate). Calculate the mass of silver nitrate present in the first solution. Make sure you have the

57. ## Chemistry

Why aren't the properties of sodium chloride the same as the elements that compose it?

58. ## Math

What is the absolute extrema of f(x)=sin^2(2x). Intervals [0,pi]

59. ## wrighting

now that you're aware of the information at your disposal, describe how it will helpful to you as a you pursue your college degree ? plz help me

60. ## math

Find the product of (2a + 3b)(2a − 3b). A. 4a2 − 6b2 B. 2a2 − 3b2 C. 4a2 + 12ab − 9b2 D. 4a2 − 9b2 plz help

61. ## writing or computer

What is the appropriate citation method for your major or course of study? What have you learned about that citation methodology from Lesson Three of this course? Do you think you'll be able to use this citation method effectively to avoid plagiarism?

62. ## Art History

What were some propaganda works of art in Baroque and Rococo periods?

63. ## acting

Hi i was wonder how to become in actor any idea ? will be helpful

Face cards are removed from a standard deck of cards and the rest are set aside. two cards are drawn at random from the face cards. once a card is selected, it is not replaced. Find each possibility. P(jack and then king)? P(two black cards) answer 1/2 ?

65. ## math

Suppose h(x)=1/\sqrt x for x>0. Does h have an inverse? If so, find h^-1(4).

66. ## algebra

Suppose g(x)=4x^2+8x+13. Does g have an inverse? If so, find g^{-1}(25)

67. ## geometry

In quadrilateral QRTS, we have QR = 11, QS = 9, and ST=2. Sides line RQ and line ST are extended past Q and S, respectively, to meet at point P. If PS = 8 and PQ = 5, then what is RT?

68. ## Chemistry CP

Water has a much higher specific heat capacity than most liquids. Explain in terms of the attractive forces between water molecules.

90. ## Ap History (Stuck on one last question , Please !

What are some aspects of the modern American political party system that began during the Jackson era? A) beginnings of political action committees and fundraising B) widespread campaigns for the popular vote, including fliers, slogans, and songs C) start

91. ## physics

. A 2.0 kg brick has the dimensions 7.5 cm x 15 cm x 30 cm. Find the pressure exerted by the brick on a table when it is resting on its various faces.

92. ## physics (work/nonconservative forces)

An object moving along a horizontal track collides with and compresses a light spring (which obeys Hooke's Law) located at the end of the track. The spring constant is 47.3 N/m, the mass of the object 0.230 kg and the speed of the object is 1.80 m/s

93. ## Chemistry

If the minimum (threshold) energy for the emission of an electron from the surface of a particular metal is 3.90 X 10-19 J, what is the kinetic energy of an electron emitted from the surface of the metal when it is irradiated by electromagnetic radiation

94. ## Chemistry

What amount of energy is required to melt a 27.4 g piece of ice at 0oC? The heat of fusion of ice = 333 Jg-1 Heat required to melt the ice 9.12e3 = J What amount of energy must be removed from 123 g of water to cool it from 71.6oC to 9.41oC? Specific heat

95. ## physics

A book of mass 7 kg rests on a plank. You tilt one end of the plank and slowly increase the angle of the tilt. The coefficient of static friction between the book and the plank is 0.40. What is the maximum angle of tilt for which the book will remain

96. ## physics

A flatbed truck is supported by its four drive wheels, and is moving with an acceleration of 7.4 m/s2. For what value of the coefficient of static friction between the truck bed and a cabinet will the cabinet slip along the bed surface?

97. ## Statistics

The Graduate Record Examination (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: 1. Draw a rough sketch,

98. ## writing

Bing (common search engine) iSEEK Education (academic search engine) MetaLib metasearch engine) ( What types of information did each search provide? Discuss what features you like and dislike about each of the search engines.