# Maria

Newest questions and responses by Maria
1. ## ALGEBRA

WHEN A KITTEN WAS BORN IT WEIGHTED 4 OUNCES EACH WEEK IT GAINS 2.5 OUNCES. WRITE AN EQUATION TO REPRESENT THIS SITUATION

2. ## math

A​ student's course grade is based on one midterm that counts as 15​% of his final​ grade, one class project that counts as 15​% of his final​ grade, a set of homework assignments that counts as 40​% of his final​ grade, and a final exam that

3. ## math

The carnival ride tickets cost \$5 each. Let C(n)=5n be the amount of money you spend on n tickets. What is the domain of this function.

4. ## Biology - population growth

Two yeast cells were placed into a special container to which food was continually added, to keep it at a constant concentration. All other factors were set for optimal yeast growth (for example, temperature, oxygen, and pH). The population was sampled

5. ## Calculus

Find f'(0.5) for f(x)=f on the top "x" on the bottom "0" Arc tan(t)dt

6. ## English

Based on this excerpt from Prometheus, Greek culture most likely agreed with which statement? a)Criminals should not be pitied. (is it a?) b)Thieves should be punished. c)Humans should not honor the gods. d)Subordinates are often smarter than those in

7. ## english

Based on this excerpt from Prometheus, Greek culture most likely agreed with which statement? a)Criminals should not be pitied. *** b)Thieves should be punished. c)Humans should not honor the gods. d)Subordinates are often smarter than those in power.

8. ## english

Which detail from the excerpt from Prometheus shows indirect characterization? (is it d?) a)“For Zeus, defied, is heavy in revenge!” b)“I must transfix and shackle up thy limbs,” c)“Thy body's flower shall suffer a sky-change;” d)“Out on my

9. ## english

Which detail from the excerpt from Prometheus shows direct characterization? (is it a?) a)“O deep delusion of the powers that named thee/Prometheus, the Fore-thinker!” b)“Look to it now, Hephaestus—thine it is,/Thy Sire obeying, this arch-thief to

10. ## history

What powers do the legislative branch and the judicial branch have over the ambassadors of the United States?

11. ## history

The ambassador to a strategically important country was recently discovered engaging in illegal activities in that country. Diplomatic immunity prevents the diplomat from being arrested there, but the activity has enraged the public of that country, who

12. ## history

1. Which of the following is true of how growth in communication technology has changed the president's relationship with the electorate? (is it c?) a)It has created new ways for the president to deliver constitutionally mandated speeches to the

13. ## history

Congress passes a controversial bill with a Senate vote of 60–40, which the president then vetoes. Ten senators state that they will not seek to override this veto. What recourse does Congress have to check the president's power? a)using public opinion

14. ## history

A citizen of California wishes to bring a case to the Supreme Court claiming that she is not entitled to equal protection under the law because her state, with a population of more than 39 million, has the same number of senators as Vermont, with a

15. ## history

The Department of Veterans Affairs creates a grant program for returning members of the service without prior authorization from the executive, legislative, or judicial branches of government. Is this legal? Why or why not?

16. ## history

The Environmental Protection Agency imposes fines on a company whose factories dumped industrial waste into a river. What does this illustrate about the federal government's reliance on the bureaucracy? a)its creation of regulations b)its refusal of

17. ## history

Why did an enumerated power of the judicial branch, in combination with the opinion in Marbury v. Madison, lead some to question the authority of the Supreme Court? a)The power to prosecute treason established by the Constitution conflicted with the

18. ## history

If courts are to regard the Constitution, and the Constitution is superior to any ordinary act of the legislature, the Constitution, and not such ordinary act, must govern the case to which they both apply. Use the passage to answer the question. What

19. ## history

Through the statement "the Constitution is superior to any ordinary act of the legislature, the Constitution, and not such ordinary act, must govern the case to which they both apply," how did this case change the role of the judiciary in a controversial

20. ## history

Despite the provisions in the Constitution for an executive similar to what Hamilton supported in this passage, what provisions did the Constitution make for misuse of the president's powers?

21. ## history

Which of the following is a benefit of a single executive implied by Federalist, No.70? a)the executive's limited dependence on the whims of the populace b)the delegation of authority by the executive to the federal bureaucracy c)the ability to decisively

22. ## history

Hamilton would MOST likely agree with which of the following statements? a) The expansion of presidential powers in the twentieth century demonstrated the necessity and importance of a single executive in the face of legislative overreach. b) Checks on the

23. ## Math

if x = -5; then |x - 7| =

24. ## Calculus

Rolle's theorem cannot be applied t the function f(x)= ln(x+2) on the interval [-1,2] because a) f is not differentiable on the interval [-1,2] b) f(-1)≠ f(2) c) All of these d) Rolle's theorem can be applied to f(x)= ln(x+2) on the interval [-1,2]

25. ## Calculus

If f is a continuous function with even symmetry and lim x→∞ f(x)=10, which of the following statements must be true? I. lim x→∞ f(x)=10 II. there are no vertical asymptotes III. The lines y=10 and y= -10 are horizontal asymptotes a) I only b) II

26. ## math

apples are sold in bags that are each 17 pounds. if 3 friends equally share 1 bag how many pounds of apples will each friend receive?

27. ## Social stuides

. What was the Northwest Passage and why were the French, Dutch, and English explorers looking for it? * Your answer 2. The exchange of goods and ideas from both continents was called _____________. * Your answer 3. Why did the Spanish turn from using

28. ## Science

I really need help with this.... Analyze, evaluate, and critique scientific explanations by using logical reasoning, and examining all sides of scientific evidence. Follow the directions on the slide to access the artcle. When you are have finished reading

29. ## math

Jane has 15 ft. of ribbion and used 1 1/4 ft. for each bow she makes. how many bows can jane make from the ribbon?

30. ## Math

point B is between point A and C, if AC=7b +13, AB=25, and BC= 3b, b=

31. ## Geometry

Find the value of x (11x-15) (5x-13)

32. ## Cell biology

you ask your lab assistant to prepare IL of solution Zeta at a concentration of 1M. He comes up to you with a 0.5M stock solution ans asks for help in calculating how much to use. what do you tell him? I dont think my answer is correct. I got 2000 mL of

33. ## Life orientation

Difine the concept 'risk bahviour' and explain why is it important for teenagers to investigate and be knowledgeable about it

34. ## Algebraic Expressions

Terrance picked 54 apples. He kept a apples for himself and gave each of 6 friends an equal number of apples. How many apples did each friend receive?

35. ## Micro economics

S(p)= -200+50p D(p)=1000-25p Find the equilibrium price for t shirts at this concert. What is the equilibrium quantity?

36. ## Philosphy

Epircurus believed that the main aim of human existence is pleasure. Do you agree with his theory?

37. ## Philosphy

What system used in schools is the modern version of virtue ethics?

38. ## Math

Paul and Sammy take part in a race. The probability tha Paul wins the race is 9/35. The probability that Sammy wins the race is 26%. Who is more likely to win the race? Give a reason for your answer.

39. ## Math

A business finds that it has to increase its staff by 5% each year due to growth. After how many years would the size of their staff double?

40. ## Physics 2

in the figure a rario transmitting station operating at a frequency of 100 MHz has two identical coherent antennas. Antenna A is 124 m from point P and anternna B is 421 m from point P. what type of interference, destructive, constructive, or neither

41. ## Physics

a siren on top of the police car emits sound at frequency of 820 Hz. The car passed a bystander on a sidewalk and is receding at speed 142 km/h/ what is the frequency the bystander hears. assume the speed of sound in air to be 340 m/s. 142 km/h x 1000 /

42. ## PHYSICS 2 - LENSES

A 75 cm tall object is positioned 80 cm from a bi-concave lens with a focal length of 90 cm. **now i tried doing the problems, i just need feed back on if its correct or not. **** 1. calculate the distance where the image is formed Used lens equation:

43. ## physics 2

A siren on the top of the police car moving with a speed of 40 m/s emits sound at frequency of 820Hz. Ahead of the car, there is a truck moving in the same direction as the car but with a speed of 30 m/s. Assume the speed of sound in air to be 340m/s. a)

44. ## Math

Find property tax of house valued \$450,000 of the tac base is \$1.2 For every \$90 in value. I get 4,999.986

45. ## Physics

A wire loop of radius 0.10m lies so that an external magnetic field of magnetic 0.50T is perpendicular to the loop. the field changes its magnitude to 0.01 T in 2.5 s. find the magnitude and the direction of the average induced emf in the loop during this

46. ## physics

A metal rod is moving in uniform magnetic field of 2T with a velocity perpendicular to the direction of the field as shown on the diagram. If the speed of the rod is 5m/s and the distance between points A and B is 0.1 meters what is the potential

47. ## physics

A sheet of paper can be withdrawn from under a container of milk without toppling it if the paper is jerked quickly. this best demonstrates that: a) the carton of milk has no acceleration b) there is an action-reaction pair of forces c) gravity tends to

48. ## Math

From 2003 to 2004 the number of applicants to a college increased 15% to 5060.How many applicants were there in 2003?

49. ## Math

Marissa and her friend walked to the park on Saturday. the park was 600 meters away from marissa's house. how far did the girls walk in kilometers?

50. ## Physics

Two point charges lie along the y-axis. A charge of q1 = -7 μC is at y = 6.0 m, and a charge of q2 = -6.5 μC is at y = -4.0 m. Locate the point (other than infinity) at which the total electric field is zero. I have no clue where to start so any

51. ## Physics

Three charges are arranged as shown in the figure below. Find the magnitude and direction of the electrostatic force on the charge q = 5.12 nC at the origin. (Let r12 = 0.320 m.) I did the math and for mag i got 1.41E-5 N.for the direction i seem to keep

52. ## Science

How do people benefit from coastline?

53. ## Math

Suppose Elina used 15 tiles to make the rectangular design. How many different rectangles could she make with the 15 tiles? Write a list or draw a picture to show the number and dimensions of the rectangles she can make.

54. ## Art

Please help me I do connexus and this is the last quiz for the semester and I get it wrong then my grade will be a b and my dad will be mad. Individuals can use different criteria to analyze artwork. What would be an example of inappropriate criteria for

55. ## Art

Please check my work i am in connecus and i can’t add in the pictures but if possible can someone check this. This picture is called “ the wounded foot” and it’s by Joaquin sorolla y Bastida and I really hope someone can check this answer thanks In

56. ## Literature

I need to write a literature review using the following Research Question: How does one's self attitude/worth play a role in deviant behavior? The following is my outline. I am having two problems. The articles are so complex that I am having difficulty

57. ## Microeconomic

The accompanying table below shows the demand schedule facing a monopolist who produces at constan marginal cost of \$5. Price quatity 9 0 8 1 7 2 6 3 5 4 3 6 2 7 1 8 0 9 a) calculate the firm's revenue schedule

58. ## Maths / physics

A blue ball travelling at 2m/!@#\$%^&s a red ball at rest on a table. after they collide both balls move in the same direction. Both balls have the same mass. The blue ball continues to move with a reduced velocity of 0.2m/s what is the velocity of the red

59. ## Physics

A blue ball travelling at 2m/s collides with a red ball at rest on a table. After they collide, both balls move in the same direction. Both balls have the same mass. If the blue ball continues to move with a reduced velocity of 0.2m/s, what is the velocity

60. ## Math

Write the equation of the ellipse using the given information: The ellipse has foci (–4, 0) and (–4, 4) and vertices (–4, –1) and (–4, 5);

61. ## Math

Write the equation of the ellipse using the given information: The axis has lengths 2 and 5; the major axis is vertical; and the center of the ellipse is (–1, –2).

62. ## Math

Write the equation of the ellipse using the given information: The ellipse has foci (4, 1) and (8, 1) and vertices (1, 1) and (11, 1);

63. ## math

Tom deposits \$800 into an account that pays simple interest at a rate of 6% per year. How much interest will he be paid in the first 2 years?

64. ## Algebra

The perimeter of the larger table is 44 feet. what is the perimeter of the smaller table ?

65. ## pre Algebra

find the sum of 4, eight times a number and nine times the same number. simplify the expression

66. ## Analytical Physics II

A charged cloud system produces an electric field in the air near Earth's surface. A particle of charge -2.1 x 10-9 C is acted on by a downward electrostatic force of 4.3 x 10-6 N when placed in this field. (a) What is the magnitude of the electric field?

67. ## algrebra 1

simplify the square root of ( 18x^2 divided by 50) thank you I tried doing like 9x2x^2 divided by 25 x2...then i got stuck thank you so much...my mom and dad can't help me with this kind of stuff

68. ## pre algrebra

thank you, Scott or whomever simplify the square root if 108 ok. I got 9x12 which then prime factorization = 2.2.3.3.3 then i get it means the square root of 2.2.3.3.3 but then i get stuck thank you

69. ## algebra 1

is the set of all positive integers closed under addition? if yes..give 2 examples if no,,,give 2 examples that prove it is not

70. ## algebra

​120 inch length of ribbon is to be cut into three pieces. The longest piece is to be 40 inches longer than the shortest​ piece, and the third piece is to be half the length of the longest piece. Find the length of each piece of ribbon.

if xy is rational must either x or y be rational

72. ## help scott biostats

The proportion of deaths due to lung cancer in males ages 15-64 in England and Wales during the period 1970-1972 was 12%. Suppose that of 20 deaths that occur among male workers in this age group who have worked for at least 1 year in a chemical plant, 5

73. ## help scott biostatis

The proportion of deaths due to lung cancer in males ages 15-64 in England and Wales during the period 1970-1972 was 12%. Suppose that of 20 deaths that occur among male workers in this age group who have worked for at least 1 year in a chemical plant, 5

74. ## Help scott biostats

The value of mammography as a screening test for breast cancer has been controversial, particularly among young women. A study was recently performed looking at the rate of false positives for repeated screening mammograms among approximately 10,000 women

75. ## biostats

what is the probability by Pr( X ≥ 8) years where X is normally distributed with mean 5.24 and sd = 1.90? HELP!!! thank you!

76. ## biostats

what 4 values do i need to enter into a box plot graph calculator? median and what else Thanks

77. ## biostat

based on the data below for a 25 day hospital stay: medical service provided 9 mean of medical services provided 11.11 standard deviation 8.29 surgical services provided 16 mean of surgical services provided 7.19 standard deviation 3.1 is there any

78. ## biostat

based on the data below for a 25 day hospital stay: males staying in hospital 11 mean of males staying in hospital 8.72 standard deviation 7.91 females staying in hospital 14 mean 8.5 standard deviation 3.48 is the duration of hospital stay affected by

79. ## biostat

based on the data below for a 25 day hospital stay: 1)patients who received antibiotics 7 mean of patients who received antibiotics 11.57 standard deviation 8.81 patients who did not receive antibiotics 18 mean 7.44 standard deviation 3.7 is the duration

80. ## biostats

Suppose we divide the patients according to whether or not they received antibiotics, and calculate the mean and standard deviation for each of the two subsamples: answers: x, s, n x sd n Antibiotics 11.57, 8.81, 7 No antibiotics 7.44, 3.70, 18

81. ## biostats

If a have calculated 2 standard deviations from a sample of for example 25 day duration in a hospital for 2 groups ( 1 group was given antibiotics , the other group was not given the antibiotics) The standard deviation for group given antibiotic was 8.23

82. ## statistics check my work..thank you

Use “service” to assess if there is any difference in duration of hospital stay based on what type of service medical or surgical the patient received during the 25 days in hospital (Key medical=1, surgical=2) what is the sample size, mean and standard

83. ## statistics check my work

Use gender to assess if there is any difference in duration of hospital stay based on gender. what is the sample size, mean, standard deviation of the males and females during the 25 days in the hospital (key 1=male, 2= female) Duration ........Gender

84. ## math

In most geometry courses, we learn that there's no such thing as "SSA Congruence" . That is, if we have triangles ABC and DEF such that AB = DE, BC = EF, and angle A = angle D, then we cannot deduce that ABC and DEF are congruent. However, there are a few

85. ## maths

find the equation of the tangent to the curve 3xy^2 -4+2y=29 at the point (1,3)using implicit differentiation.

86. ## chemistry

a weather balloon is filled with helium to a volume of 250 l at sea level, where pressure is 760 mm hg. assuming constant temperature, what will be the volume when the balloon raises to a height of 25 km, where the pressure is only 10 mm hg

87. ## Verbal reasoning

How old is May,if Mary is two years older ,and Robert ,who is a year younger than Mary,will be ten next week?

88. ## Verbal reasoning

If Tom is taller than Mary ,and Mary is taller than Ann ,who was the shortest ?

89. ## math

suppose that \$2550 is invested in a saving account with a rate of 8.25%. how much interest will be received in 8 years?

90. ## Chemistry

So this is a three part question. I solved the first part correctly but I need help with the second and third. Q: The dissociation equilibrium constants for the protonated form of of alanine (a diprotic amino acid, H2X+)are Ka1 = 4.6 x 10^-3 and Ka2 = 2.0

91. ## Geometry

Given: ΔABC, AB = BC Perimeter of ΔABC = 50 Perimeter of ΔABD = 40 Find: BD BD is the altitude and I got 15, 15+20+5=40 20+20+10=50

92. ## Geometry

Two poles of lengths 10 ft. and 15 ft. are set up vertically with their bases on horizontal ground 12 ft apart. Find the distance between the tops of the poles. I got 7.53 ft is this right, if not can you explain and post solution

93. ## Reasoning

Deborah's father is twice as old she is now.if their ages add up to 45 years how old is Deborah.

94. ## Social Studies

Maria ivanov has owned a successful clothing boutique chain for 20 years. Sha has gone into debt several times to expand her business.each time she paid off the debt in full sooner than expected. How will Maria's record affect the loans she is offered? She

95. ## Social Studies

In which h economic situation would interest rate decrease? Most people are saving rather than buying houses••• Average families are choosing to invest in new businesses High consumption is driving a surge in the services sector Increased job

96. ## Geometry

In rhombus MPKN with an obtuse angle K the diagonals intersect each other at point E. The measure of one of the angles of a ∆PKE is equal 16°. Find the measures of all angles of ∆PKE and ΔPMN.

97. ## Geometry

The distance from the center of a square to its side is 4 yd. Find the perimeter of the square. if you post the answer it would be a big help

98. ## Basic Numeracy and statistics (math)

A rocket is shot into the air with an initial velocity of 800m/sec. The equation h = -16t2+144t models the height of the ball. how long does it take for the rocket to hit the ground (h=0)?

99. ## physics 1

A floating cube is 10 cm on a side and has a density of 800 kg/m^3 . IT is floating in fresh water that has a density of 1000 kg/m^3. what percent of the cube is above the surface of the water? Again, my professor says it is 20%, but how??

100. ## physics 1

Glass has a density of about 2500 Kg/m^3. fresh water has a density of 1000 kg/m^3. if a 5 kg block of glass is sitting on the bottom of a freshwater fish tank, what is the normal force on the floor of the tank? 30N is what my professor says is correct,