angelina

Most popular questions and responses by angelina
1. math

mera painted equal sections of her bedroom wall to make a pattern. She painted 2/5 of the wall white and 1/2 of the wall lavender. Write an equivalent fraction for each using a common denominator.

2. biology

All of the cells are in the very early stages of embryonic development and have not begun to differentiate into specialized types of cells. What type of cells would these be? A) gametes B) stem cells C) somatic cells D) epidermal cells

3. scholarship essay

This is for a scholarship the topic is "Why do you deserve to win this scholarship?" I am hoping that someone can proofread this and also give any tips for improvement. In addition, the essay has to be under 250 words. I believe that I deserve this

4. biology help

The features listed above describe what type of cell? Unicellular Has a cell wall May have flagella Single chromosome Ribosomes for protein synthesis

5. Math Pre-Algebra

Maria has baked a cake for Cathy's birthday. The dimensions of the cake are 13/1/2 inches by 6/3/4 inches. The cake is going to be cut into squares with each piece being approximately 5.55% of the cake, which should give a total of _______ pieces of cake

6. studio art

how is a interior designer in a modern kitchen most different from interior design found in nineteenth century kitchen

7. Math

The height of a ball t seconds after it is thrown upward from a height of 6 feet and with an initial velocity of 80 feet per second is f (t) = -16t^2 + 80t + 6. According to Rolle's Theorem, what must be the velocity at some time in the interval (2, 3)?

8. Algebra

tony and his sister maria have the same birthday but tony is five years older than maria let the varible x represent tonys age and y represent maris age. which graph represents the relationship between tons age and marias age?

9. Math

write an inequality representing the temperature t of the ocean water during the formation of the hurricane if the ocean water is above 80 degrees farenheit

10. biology

How many possible genotypes and phenotypes are there for a single gene trait that shows dominance in any given population?

11. physics

How much heat is required to convert 3kg of ice at -5 degees C into steam at 125 degrees C?

12. Physics

The pendulum bobs in the figure are made of soft clay so that they stick together after impact. The mass of bob B is 14 times that of bob A. Bob B is initially at rest. If bob A is released from a height h above its lowest point, what is the maximum height

13. Chemistry

for any solute what important condition must be stated in order to report the solubility answer

14. Algebra 1

1.the number of bacteria present in a colony is 180 at 12 noon and the bacteria grows at a rate of 22% per hour. how many will be present at 8pm? 2.A 1970 comic book has appreciated 10% per year and originally sold for \$0.35. What will it be worth on 2010?

15. Algebra

you have a rack that can fit 30 cds you can fit 7 more cds on the rack before the rack is fulll which equation models this situation appropiratly where x represents the number of cds?

16. math

how do you put 80,000,000+40,000+900+60 in word form and standard form?

17. Physics to drwls question to answer given earlier

A 0.700-kg ball is on the end of a rope that is 0.90 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0° with respect to the vertical

18. civics

going global unit exam

19. Math

Determine whether Rolle's Theorem can be applied to f on the closed interval [a,b]. (Select all that apply.) f (x) = sin(x), [0, 2π] If Rolle's Theorem can be applied, find all values of c in the open interval (a, b) such that f '(c) = 0. (Enter your

20. Chemistry

Calculate the longest wavelength of light that can break a H-O bond. The bond enthalpy of formation is 463 kj/mol

21. science

5.At 3:15 one afternoon, the temperature over the land reaches its highest value for the day — about 89°F. The temperature over the adjacent water is about 72°F. What would the expected weather conditions be at this time? A. Cloudy skies and a sea

22. Physics

In a cathode-ray tube, electrons are projected horizontally at 6.4 x 106 m/s and travel a horizontal distance of 4.7 cm across the tube. Find the vertical distance the electrons fall under the influence of gravity during their flight. Give your answer in

23. math

at the end of a soccer game season four families decide to buy the coach of gift certificate to a sporting goods store. each family contributes \$35 towards the gift certificate. write and solve a division equation to find how much the gift certificate is

24. math

Which algebraic equation models the English sentence, a number subtracted from 8 is equal to 4? A. 8 − x = 4 B. x − 8 = 4 C. 8 − 4 = x D. x − 4 = 8

25. Math

An adult polar bear walks at an average rate of 5 kilometers per hour. 1. write an equation to find k, the number of kilometers a polar bear bear can walk in h hours. 2.make a table to show the relationship between the number of kilometers k a polar bear

Write the prime factorization of 121 in exponential form.

27. Physics

A diving board oscillates with simple harmonic motion of frequency 4.6 cycles per second. What is the maximum amplitude with which the end of the board can oscillate in order that a pebble placed there does not lose contact with the board during the

28. Math

write an inequality representing the depth d of the water that must be greaeter than 80degrees farenheit in order for a hurricane to form

29. Biology

During the Late Carboniferous, Indiana lay close to the equator, making the climate humid and warm. Swamps and wetlands were prominent in much of the state. Dominant fossil plants from this time include lycopods, conifers, and seed ferns (extinct

30. inequalities (math)

write an inequality for this sentence the roller coaster is less than 3 minutes

31. college chem

A 0.1276 g sample of a monoprotic acid (molar mass = 1.10 x 10^2) was dissolved in 25.0 ml of water and titrated with 0.0633 M NaOH. After 10.0 ml of base has been added, the pH=5.47. What is the Ka for the acid?

32. Maths

Find the equation of the parabola with latus rectum joining the points (3,5) and (3,-3)

33. physics

A 0.700-kg ball is on the end of a rope that is 0.90 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0° with respect to the vertical

34. English

1. Odysseus makes a sacrifice to sovereign death and pale Persephone what does this background tell you about Hades? 2. the painting illustrates the descent of Ulysses (Odysseus)into the underworld. how has the artist distinguished between Ulysses and the

35. LA

Computers make calculations incredibly quickly. intransitive or *transitive verb*? They perform many tasks that people often find boring and difficult. transitive or *intransitive*?

the price of a 3- pack spinner is one third the price of the of a dozen flyboys. write and solve a division equation to find the price of a dozen fly-boys. there are \$3 for each 3-pack spinner . is the equation supposed to be n/12=27?

37. math

paige's dad just made a new front door for their house.the door measures 84 inches by 54 inches.how many square inches will paige have to paint if she paints the front side of the door.

38. Math

the air needs to be humid up to about 18,000 ft for a hurricane to form. write an inequality to represent this altitude a of the air above the ocean

39. Math

the air pressure of hurricane katrina at landfall was greater than 17 millibars plus the air pressure p before landfall. write and solve an inequality to find the air pressure of the storm before landfall

40. Math

Jonah and his friends go apple-picking Jonah fills 5 baskets each basket holds 15 apples if 4 of Jonah's friends same amount as Jonah how many apples did Jonah his friends pick in all draw a diagram to solve the problem

41. math

In triangle ABC, the length of side AB is 10 inches and the length of side BC is 19 inches. Which of the following could be the length of side AC? 7 inches 31 inches 24 inches 34 inches

42. Math

Which of the sentences below could represent 4 ÷ p = 2? A. Four divided by two is equal to a number. B. Four divided by a number is equal to two. C. A number divided by four is equal to two. D. Four times a number is equal to two.

43. Physics 12

I need help on solving this problem A plane with an air speed of 400km/hr wants to go north but a wind of 70 km/hr is blowing west. What must be the planes heading (to go north)? What will be its resulting ground speed?

44. Writeacher-another repost

Ralph Waldo Emerson's poem "Success” is an apt description of being successful because each line in the poem reflects motivation upon the reader. His poem tells all readers to be responsible, respectful, and strong in life. It gives them the willpower to

45. Chemistry

I'm not sure if i did this problem right or not. I keep reading through my book, and i think i followed the equations right, but i'm not confident with my answers. The problem: 5.0 g of glucose,C6H12O6, is disolved in 500.0 g of acetic acid. What is the

46. Math

1.Jake has 10 t-shirts and 5 collared shirts. What is his ratio of t-shirts to collared shirts? this answer is 5/ 10 what i can't figure out is the second part of this 2. If Jake buys 3 new shirts, how many of them would you expect to be to be t-shirts,

47. math

Which of the following algebraic equations models the English sentence, a number decreased by two is equal to four? A. w + 2 = 4 B. 2 − w = 4 C. w − 2 = 4 D. w = 2 − 4

How do you use a venn diagram to find the GCF and LCM of two or more factors. This is what a venn diagram looks like: ()()

49. Writeacher

Writeacher I have to do a paragraph about the poem "Success". This is what I have to do; In paragraph form, explain why you agree or disagree with Emerson's description of the concept of being successful in "success". Ralph Waldo Emerson's poem "Success",

50. Biology

Mutations can occur in the chromosomes of all types of cells. Mutations that are passed on to offspring must occur in

51. math

air pressure decreases during a storm. the difference between the normal air pressure n and the air pressure during the 1935 florida keys hurricane wasd greater than 121 millibars. write and solve the inequality to find the normal airpressure in the

52. Math

If x is a nonzero real number,is x-2 always positive,always negative,or positive or negative depending on whether x is possible or negative explain

53. Math

Tiffany is using wooden cubes to make rectangular prisms. if she has exactly 8 wooden cubes, make a model to find the length, width, and height of the two possible rectangular prisms. i don't quite understand the question so can u help me comprehend what

54. science

3.A weather station is located 300 miles directly east of a second station. Winds at the eastern station are blowing from the south. Winds at the western station are blowing from the north. What is true about the weather system near these two locations? A.

55. math

If you formed an algebraic equation to model the sentence, three times a number is equal to nine, how many variables would be in the equation? A. 1 B. 2 C. 3 D. 5

56. Grammar

Can someone please check this to make sure this is right. The verbs are in quotes. Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence. Mark each verb used in

57. Writeacher

To earn the appreciation of honest critics and endure the betrayal of false friends; To follow the way your honest critics want you to trail and change their outlook about you. To suffer the pain your false friends give you from within, but don’t let it

58. physics

A glass window with a mass of 20kg is heated to a temperature of 32C by the sun. How much thermal energy is released by the window to the surroundings as it cools to 5C at night? The answer is 4.5x10^5 J but I don't know how to get there. Thank you!

59. Math

air pressure decreases during a storm. the difference between the normal air pressure n and the air pressure during the 1935 florida keys hurricane wasd greater than 121 millibars. write and solve the inequality to find the normal airpressure in the

60. grammar

in america we have halloween. in mexico they have todos santos, which means "all saints". this is the day in which people remember family and friends who have died. they visit the cemetery instead of going trick-or treat. but htey do have pics of skelotens

61. Chemistry

On June 17, heavy rain fell on Seattle for 26 min. at a rate of 3.9 mm/hr. if the area of Seattle is 144km^2, how many gallons of water fell on the city that day?

62. Scholarship Essay

Why do I deserve this scholarship? 250 words or less. Any advice on the paragraph itself or on grammar is greatly appreciated. Throughout my life, I have faced multiple obstacles that I have not let hold me back. I am the first person in my family to not

63. Writeacher-Repost

Writeacher I have to do a paragraph about the poem "Success". This is what I have to do; In paragraph form, explain why you agree or disagree with Emerson's description of the concept of being successful in "success". I kind of rethought and rewrote my

64. math

the position vectors of A and B relative to the origin are a and b repsectively The point P is on OA such that PA=2PA So my question is if B is the top of the triangle and O represent the left corner of the triangle and A the right corner, where would

65. Math

which set of measures could be side lengths of a triangle? a. 4 in., 9 in., 12 in b. 3 cm.,6 cm, 9 cm c. 4 mm, 12, mm, 20 mm d. 5 ft, 6 ft, 13 ft i don't know how to get the answer so can u please explain?

66. math

in 2010, 25 parents participated in the band booster organization at king middle school. participation increased to 40 parents in 2011 and 55 parents in 2012. if the trend continues, about how many parents can be expected to participate in 2013? i think it

67. Chemistry

On June 17, heavy rain fell on Seattle for 26 min. at a rate of 3.9 mm/hr. if the area of Seattle is 144km^2, how many gallons of water fell on the city that day?

68. Math

2x^3+3x^2-120x to find the critical numbers I took the derivative which is 6x^2+6x-120 so divide by 6 to simplify x^2+x-20=0 so the critical numbers will be (4,0) and (-5,0) but its wrong I don't know y?

69. Grammar

Can someone please check this to make sure this is right. The verbs are in quotes. Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence. Mark each verb used in

70. Physics

A tennis ball is struck such that it leaves the racket horizontally with a speed of 53 m/s. The ball clears the net and hits the ground a horizontal distance 29 m from where it was hit. How long was the ball in the air and how high was the ball above the

71. math

Dion's grandmother is making a quilt using four small squares put together to form one large large square block. how many different can she make using one each of red, green, blue, and yellow smalle squares? show the possible arrangements

72. Math

the air pressure of hurricane katrina at landfall was greater than 17 millibars plus the air pressure p before landfall. write and solve an inequality to find the air pressure of the storm before landfall i think the answer is l>17 millibars+p

73. Math

air pressure decreases during a storm. the difference between the normal air pressure n and the air pressure during the 1935 florida keys hurricane wasd greater than 121 millibars. write and solve the inequality to find the normal airpressure in the

74. Math

an adult manatee eats approximately 100 pounds of aquatic food per day. write an equation to find p, the numbeer of ponds of food an adult manatee eat in d days

75. classcal mechanics

To a good approximation, the temperature T drops almost linearly with altitude up to 11 km above sea level, at a constant rate: dTdz=−α forz≤11 km where α=6.5 K/km (Kelvin per km) and z is the height above the sea level. The temperature stays then

76. Math

x^3-6x^2+17x Find the point of inflection of the graph of the function? x,y ( , ) I tried to solve for it by getting the 1st derivative and setting it equal to 0 but i get sqrt,so am confused!

77. Writeacher

To earn the appreciation of honest critics and endure the betrayal of false friends; To follow the way your honest critics want you to trail and change their outlook about you. To suffer the pain your false friends give you from within, but don’t let it

78. Math

Help with these problems would be greatly appreciated: 1.Find the definite integral of dx/(x(1+ln(x))from e^6 to 1. 2. Solve for x in terms of k for log[2,x^6)+log[2,x^10=k. (its log base 2) 3.Solve log base 3(log base 3, x)=-2

79. Physics

The north pole of a compass is attracted to the north magnetic pole of the earth, yet like poles repel. Can you resolve this apparent dilemma?

Ravi is putting up a fence in his backyard. He builds 3 units the first day, 7 units the second day and 11 units the third day. If he continues this pattern, how many days will it take him to finish the 55 unit fence?

81. math

Could someone please help me answer this question i am stuck! A Marketing company provides the following formulas to the owner of an amusement park to help him make decisions about the park. -The number , N, of people who attend the park is a function of

82. Maths

Find the equation of the parabola with its axis parallel to x-axis and passing through the points (-2,1),(1,2),(-1,3)

83. Algebra

Explain how you can determine from the graph of a system of two linear equation in two variables whether is an inconsistent system of equation. 2. When you solve a system of equation by the substitution method how do you determine whether the system of

84. linux networking

What are two ways you can execute a shell script when you do not have execute permission for the file containing the script? Can you execute a shell script if you do not have read permission for the file containing the script?

85. civics

for the countries in north america each import and export different products the united states exports to other countries on every continent why is this possible

86. science

A new organism is introduced into a ecosystem. it gets its nutrients from a dead tree. can this organism be described as a scavenger or decomposer

87. math

the price of a 3- pack spinner is one third the price of the of a dozen flyboys. write and solve a division equation to find the price of a dozen fly-boys. there are \$3 for each 3-pack spinner . is the equation supposed to be n/12=27?

88. Math

the cost of renting a speed boat is \$25 plus an additional fee of \$12 for each hour the boat is rented. which equation can be used to find the c, the cost for renting the boat for h hours. a. c= 12h +25 b. c= 25h + 12 c. c= 12(h+25) d. c= 25 (h+12)

89. math

in 2010, 25 parents participated in the band booster organization at king middle school. participation increased to 40 parents in 2011 and 55 parents in 2012. if the trend continues, about how many parents can be expected to participate in 2013? i think it

90. Physics

A house with its own well has a pump in the basement with an output pipe of inner radius 6.4 mm. Assume that the pump can maintain a gauge pressure of 420 kPa in the output pipe. A showerhead on the second floor (7.5 m above the pump's output pipe) has 38

91. Math

y= sqrt(81-x^2) What length and width should the rectangle have so that its area is a maximum? (smaller value) (larger value)

92. Math

Find the points of inflection of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = 1/3x^4 + 4x^3 for some reason I am not getting the right answer; I got the graph on my calculator but it seems weird.

93. English/Grammar

Review the following sentences. Some of them are correct, whereas others contain an error with a commonly confused word. Identify those with errors by marking each of the errors in bold. Make the correction in parentheses after the error. For those that

94. Chemistry

CaCO3 (s) ---> CaO(s) + CO2(g) Calculate the yearly release of CO2 (in kilograms)to the atmosphere if the annual production of CaO is 1.9 x 10^10 kg

95. Repost of paragraph

Ralph Waldo Emerson's poem "Success” is an apt description of being successful; each line expresses its own special meaning. His poem tells all readers to be responsible, respectful, and strong in life. It gives them the willpower to be sympathetic and

96. Biology

All of the cells are in the very early stages of embryonic development and have not begun to differentiate into specialized types of cells. What type of cells would these be?

97. Chemistry

What is the unit for molality? The unit for molality is moles per kg Or M/kg

98. Algebra 1

find the explicit formula. 1. 0.5, -1, 2, -4 ... 2. 5, -5/3, 5/9, -5/27 ... 3. 1.25, 5, 20, 80 .... 4. -4, -24, -144, -864 ... 5. 4, 12, 36, 108 ... 6. 3, -15, 75, -375 ... 7. 2, 4, 8, 16 ... 8. 3/2, 3/4, 3/8, 3/16 ... 9. -1, -6, -36, -216 ... 10. 3, 12,

99. social studies

What are some examples when world history gives you the understanding of the world and how societies have impact on each other.