Miranda

Most popular questions and responses by Miranda
1. science (ASAP)

identify the terms or phrases that are paired together correctly a. deserts and dwarf trees b. temperate and deciduous forest and evergreen trees c. subarctic taiga and moss d. tundra and permafrost ***

2. math

What is the opposite of a professional eater? 12 spaces, letters- H O S M G C R I E B V W X A L N

3. math

Find two mixed numbers that up to 16 but have a difference of 5???

4. Statistics

The probability that a university graduate will be offered no jobs within a month of graduation is estimated to be 5%. The probability of receiving one, two, and three job offers has similarly been estimated to be 37%, 27%, and 31%. Determine the following

5. math

Lucy's employer pays 70% of the total cost of her family's health insurance plan, while Lucy pays the rest. If the total cost of the plan will increase from \$450 per month to \$650 per month, how much more will Lucy have to pay each month?

6. painting

28. Van Gogh’s painting Starry Night measures 92 cm long by 73 cm high. You buy a poster that shows an enlargement of the painting. The poster measures 120 cm long by 100 cm high. Is the poster an accurate representation of the painting? (Hint: Is the

7. Chemistry

The thermochemical equation which is associated with ∆H°f, the standard enthalpy of formation, for urea, CO(NH2)2 (s), is: CO (g) + 2NH3 (g) --> CO(NH2)2 (s) + H2 (g) CO (g) + 2H2 (g) + N2 (g) --> CO(NH2)2 (s) C (s) + O (g) + N2 (g) + 2H2 (g) -->

8. Chemistry

1. Tube # 3: (a) It started out as purple, and turned into green. (b) No precipitate was noticably formed. Tube #4: (a) This tube was purple, and turned into white. (b) A brown precipitate was formed after adding 1 mL of NaHSO3. Tube #5: (a) This tube was

9. social studies

(PLEASE HELP) from where did Islam spread? a. from India to Arabia b. From the persain empire to the arab emirates c. from macedonia with alexander the great d. from mecca and medina through arabia

10. poetry

What is the authors tone in the poem arithmetic?

11. chemistry

For the exothermic reaction PCl3(g)+Cl2(g)⇌PCl5(g) K = 0.160 at a certain temperature. A flask is charged with 0.507 bar PCl3 , 0.507 bar Cl2, and 0.304 bar PCl5 at this temperature. What are the equilibrium partial pressures of PCl3 , Cl2, and PCl5,

12. science (ASAP)

what does the notation TT mean to genetics

13. algebra

Peter has 800 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed area. What is the maximum​ area?

14. Chemistry

Calculate the standard enthalpy change for the reaction 2A+B⇌2C+2D Use the following data: Substance ΔH∘!@#\$%^&J/mol) A -251 B -403 C 213 D -511 My thoughts: [(2)(-511)+(213)(2)]-[(2)(-251)+(-403)]=309kJ (but apparently that is not the correct answer)

15. chemistry

What is the percent yield of NaCl if 31.0 g of CuCl2 reacts with excess NaNO3 to produce 21.2 g of NaCl?

16. geometry

State the negation of the following statement: It is cloudy.

17. ELA

"The Enlightenment and the Scientific Revolution were twin explosions in thinking that made the 17th and 18th centuries one of the most exciting and dynamic eras in European history. People cam to believe the power of human reason apart from the guidance

18. physics

A 570-g squirrel with a surface area of 900 cm2 falls from a 4.0-m tree to the ground. Estimate its terminal velocity. (Use the drag coefficient for a horizontal skydiver. Assume that the cross-sectional area of the squirrel can be approximated as a

19. Physics

you toss a racquetball directly upward and then catch it at the same height you released it 1.90 s later. Assume air resistance is negligible.What is the acceleration of the ball while it is moving upward?What is the acceleration of the ball while it is

20. Chemistry

Write the formulas of the compounds formed by NH4+ with the following anions: CN−, HCO3−, SO42−, HPO42−

21. math

let the random variable x denote the number of girls in a five-child family. if the probability of a female birth is .5 find the probability of 0,1,2,3,4, and 5 girls in a five-child family. construct the binomial distribution and draw the histogram

22. maximizing profit

A manufacture has been selling 1750 television sets a week at \$540 each. A market survey indicates that for each \$14 rebate offered to a buyer, the number of sets sold will increase by 140 per week. a) Find the function representing the demand p(x), where

23. Chem

Please someone Help!! Acetic acid, CH3COOH, is a weak organic acid, pKa 4.47. Determine the position of the equilibrium for the reaction of acetic acid with NaHCO3, and draw the species that predominates at equilibrium.

24. Calculus

the area of the first quadrant region bounded by the y-axis, the line y=4-x and the graph of y=x-cosx is approximately: a) 4.50 square units, b) 4.54 square units, c) 4.56 square units, d) 4.58 square units, e) 5.00 square units

25. Math

Conrad taxi service charges \$1.50 for the first mile and \$0.90 for each additional mile. How far can Mr. Kulp go for \$20 if he gives the driver a \$2 tip. Write a let statement; represent the additional miles in terms of the total travelled. Write an

26. physics

A collision occurs between two pucks on an air-hockey table. Puck A has a mass of 0.020 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.040 kg and is initially at rest. The collision is

27. math

Ms. Sue please help me, The distance between morristown and bellington is 4 inches on a map. If the scale on the map is 1 inch = 25 miles, what is the actual distance between the two towns?

28. Evaluating elasticity

The demand function for a certain item is x = 35(sqrt(32-p^2)) ---Evaluate the elasticity at 5. E(5)= I don't know how to find elasticity, so i don't know how to start this problem. If someone could explain elasticity i think that i could figure it out.

29. Physics

If the gravitational force between objects of equal mass is 2.30x10^-8 N when the objects are 10.0m apart, what is the mass of each object?

30. Physics

A ball rolling down a hill was displaced at 19.6m while uniformly accelerating from rest. If the final velocity was 5.00 m/s what was the rate of acceptation?

31. Math

Valentina purchased 200 beads for \$48 if she needs to buy 25 more beads how much will she pay if charged the same rate

32. chemistry

For Ethanol, change in H vapor = 38.7 kj/mol at 78 degrees Celsius, it's boiling point. Calculate change in S for the vaporization of 1.00 mol ethanol at 78 degrees celsius and 1.00 atm pressure

33. Chemistry

Underground miners formerly used headlamps in which calcium carbide (CaC2) was reacted with water to form acetylene (C2H2) gas as shown in the following reaction: CaC2(s) + H2O (l) ---> C2H2 (g) +Ca(OH2)(s) The acetylene produced was then burned to produce

34. Social studies

the constitution requires each house to keep a daily record of all meeting. these records are printed daily in___________. the supreme court is made up of _____ supreme court justices who hold their offices for________.

35. Math

There are 18 animals in the barnyard. There are 50 legs. How many cows and how many chickens are there in the barnyard? Technically, I wonder if a chicken is an animal. And are chickens and cows the ONLY "animals" in the barnyard. If we assume a chicken is

36. calculus

A ball is thrown vertically upwards from a height of 6 ft with an initial velocity of 60 ft per second. How high will the ball go? Note that the acceleration of the ball is given by a(t)= 32 feet per second per second.

37. Psychology Question

Which of the following situations involves a self-fulfilling prophecy? 1.Andy is hungry, so he makes himself a tuna fish sandwich. 2.Cheryl goes into her psychology exam convinced that she will fail, and she does. 3.Danielle is very smart, so her parents

38. CHEMSIRTY

How much energy would it take to warm 30.0 g of water at 35 oC to the boiling point and boil all the liquid away?

39. english 10

Explain how The Federalist Papers would have been more or less successful if newspapers had been printed monthly (rather than daily or weekly).

40. Math

A factory produces fuses, which are packaged in boxes of 16. Three fuses are selected at random from each box for inspection. The box is rejected if at least one of the three fuses is defective. What is the probability that a box containing six defective

41. geometry

State the negation of the following statement: Lines a and b are parallel.

43. Geometry

Polygon ABCD has vertices A(–4, 0), B(–2, 4), C(3, 4), and D(8, 0). Polygon A'B'C'D' is the dilation image of ABCD, using the center (0, 0) and a scale factor of 0.5. What are the coordinates of A', B', C', and D'? This question has me confused. Could

44. geo

List the set of all even numbers between 2 and 10, inclusive.

45. math

find all solutions in the interval [0,360degrees) sin(5x)=0

46. Math

Casey paid \$45 for one new tire and one used tyre for his bicycle. The new tire costs \$17 more than the used tire. How much did the new tire cost? I have worked out the answer in my head, (\$31) but is there a particular formula I can use or follow.

47. trig

Solve for all real values of x 3cos2x - 5cosx = 1

48. Math

The weight W of an object varies inversely as the square of the distance d from the center of the earth. At sea level (3978 mi from the center of the earth), an astronaut weights is 110lb. Find her weight when she is 459 mi above the surface of the earth

49. Economics Homework

Use the Expenditure Equation for GDP (GDP = C + 1 + G + XN). Using your research skills, find the values for each sector for the years 1929 and 1933. Determine the percentage change for the two years. Explain the drastic change and what this meant for the

50. math

Cecil has a mysterious money machine that will double any amount of money placed in it and add \$5.00 to the doubled amount. Yesterday, he placed a certian amount of money in the box, got a new amount, then placed the new amount back in the box. Then he had

51. Chemistry

Describe how to make 20 mL of a 6.0 % solution from a stock solution with a concentration of 10 %.

52. physics

hi, if anyone could give me any sort of help on how to solve this problem i would greatly appreciate it. thank you. A 2.66 kg object placed on a frictionless horizontal table is connected to a string that passes over a pulley and then is fastened to a

53. Physics

A 4.90-kg ball, moving to the right at a velocity of +2.50 m/s on a frictionless table, collides head-on with a stationary 8.00-kg ball. Find the final velocities of the balls if the collision meet the following conditions. (a) elastic 4.9-kg ball = 8-kg

54. physics

Engineers are developing new types of guns that might someday be used to launch satellites as if they were bullets. One such gun can give a small object a velocity of 2.9 km/s, moving it through only 1.6 cm. (a) What acceleration does the gun give this

55. physics

A supersonic jet flying at 137 m/s is accelerated uniformly at the rate of 23.1 m/s2 for 20.0 s. (a) What is its final velocity? (b) The speed of sound in air is 331 m/s. How many times the speed of sound is the plane's final speed?

56. Chemistry

How do you do this? A block of metal measuring 3.0 cm X 4.0 cm X 5.0 cm has a mass of 470.0g. What is the density of the metal in grams per cubic centimeter?

57. Chem

How do you convert? (a) 4.50 Cal to calories (b) 600.0 Cal to kilojoules (c) 1.000 J to calories (d) 50.0 Cal to joules

58. enhancing children's self esteem

5. Of the following who is the most important influence on childrens referent thought? a. Friends b. Teachers c. Themselves d. Family 6. Most often during adolescense, a child is least likely to approach which of the following for support of his or her

60. Geometry

How do you find equations for medians

61. Trigonometry

two pulleys of a car engine radius of 8 cm and 5 cm respectively are connected by a belt. The larger pulley rotates 80 times per minute. Find the angular velocity of each pulley in radians per minute.

62. Science - physics

Imagine you need to deliver a piano over three steps. A longer ramp translates into less force necessary to raise the piano's height than a shorter ramp would require. Calculate the percentage smaller a force would be required using an 2.8m long ramp

63. Math

Mr. Frank is shopping for carpet for his living room and dining room. The living room is 20 feet by 16 feet and the dining room is 11 feet by 10 feet. He looked at two differently priced carpets. One for \$14.99 a square yard installed and another for

64. chemistry

what is the following reaction? HNO3(aq) + KOH(aq) ---> KNO3(aq) + H2O(l)

65. algebra

given a mean of 8 and a standard deviation of 0.7 what is the z-score of the value 9 rounded to the nearest tenth

66. history

OK, this is more of a personal thing. Needed to interview some people on some American events, don't really know anyone old enough to answer. President Kennedy's Assassination (Nov. 22, 1963) What do you remember about that day? Where were you? How did you

67. Math

The dressmaker has 3/8 yard of fabric. She needs a total of 3/4 yard for a vest. How much more fabric does she need?

68. geometry

I tired but answers don't make since. Problem is segment CD is perpendicular bisector of segment AB. Need to find lengths of AC (9y-6), AD (3x), and AE ((5x +6). Others: BE=(5x+ y), BD (x + 10) and CB (7y). Figure like a kite. HELPPPPPPPPPP.

69. math

which mixture is more blue? 4gallons primer over 8 gallons paint or 3 gallons primer over 5 gallons paint

70. chemistry lab

list the possible manipulation errors that might contribute in obtaining a significantly larger amount of nacl than was present in original sample

71. physics

An engineer must design a runway to accommodate airplanes that must reach a ground velocity of 60 m/s before they can take off. These planes are capable of being accelerated uniformly at the rate of 2.1 m/s2. (a) How long will it take the planes to reach

72. Algebra

The bus stations in Trawlwy and Fenton are 220 miles apart. A bus left Trawley for Fenton at 9:00am. Traveling at 40 miles per hour. One hour later, an express bus left Fenton for Trawley traveling along the same road at 50 miles per hour. At what time did

73. Chem (last question, I promise)

You measure one edge of a cube using a meter stick marked in centimeters. Unfortunately, the edge is longer than 1 m. You mark the 1-m point on the cube edge with a pen and then, using a 15-cm ruler marked in millimeters, measure the remaining distance to

74. Mathematics

Patrick has a summer job passing out flyers for a store. Each flyer weighs about 0.55 ounce. If he is given a bundle of flyers that weighs 16.5 Ibs , how many flyers must he pass out ? [ Help or Answers are appreciated greatly. Thank you. ]

75. spanish

Con quien acabas de hablar?

76. algerbra 1

p+15/42=p-5/14

77. Math

If my monthly mortgage payments for a house that costs \$132, 905. The terms of your mortgage are 7%/a compunded semi-annually for 25 years

78. Social Studies

On a worksheet I have to do, I need a few details about how the Royal Road (in ancient Persia) helped unite the Persian Empire. I have a few things, but I need some more. Answers?

79. math

What are Base Ten Blocks? Since this is not my area of expertise, I searched Google under the key words "base ten blocks" to get these possible sources: http://www.susancanthony.com/Resources/base10ideas.html http://www.learningbox.com/base10/ From what I

80. math

Clark is cooking a 12 pound ham. The ham needs to be cook 20 minutes for each pound. Clark wants to serve the ham at 5 p.m. What is the latest time he should place the ham in the oven.

81. chemistry

The H3o+ concentration of a solution is found to e 3.40*10^-6. What is the pH of the solution? what is the H3O+ concentration? what is the OH- concentration? is this and acidor a base?

82. Living a Healthy Life

2.Temperatures in child care education setting should be set at __ in the summer and __ in the winter. 1. 55 to 65, 65 to 85 2. 60 to 63, 70 to 73 3. 68 to 72, 65 to 75 4. 72 to 80, 70 to 80 My answer is... 2. 60 to 63,70 to 73 Pls let me know if this is

83. US History

Flow chart. One Box then two boxes then 6 boxes. The words are: Freedom of Religion Freedom of Speech Involvement in Government Obey The Law Respect the Rights of Others responsibilities right to vote rights. Don't know how to put the flow chart together.

84. Statistics

A national survey of small businesses reports that 70% of all small businesses now have a web-site. Assume that for a randomly selected group of 30 small businesses, the number with a web-site has a binomial distribution. In a random sample of 30 small

85. Algebra

The function h is defined by h(x)=x^(2)-x. Find h(2x).

86. algebra

Put the equation in the form ax2 + bx + c = 0. Enter exponents using the caret ( ^ ). For example, you would enter 4x2 as 4x^2. 8-2x2=(x+2)2-7

87. physics

Suppose the elevator now accelerates down- ward at a constant rate of 0.13 g. What is the ratio of the new scale reading to the value W of the scale reading when the elevator is at rest?

88. Math

How do I figure out? 3y+2x=4 Step by step? -6x+y=-7

89. Math

7x/8 + 1/4 > or equal to 3x/4

In which division sentence is 8 the divisor? a) 8/2=4 b) 40/8=5 c)8/4=2 d) 48/6=8 I think it is b or d. I forgot my book at school, so I don't have any examples to look at for help. PLEASE HELP !!!!!

91. pharmacy tech

harmful or toxic reactions to normal doses of common medication are

92. Math

Express the diameter of a 3\22 inch twist drill as a decimal

93. chemistry

Thanks much! Are melting point and boiling point examples of macroscopic properties? What exactly are macroscopic properties? Yes, mp and bp are macroscopic. One can see melting and boiling. macroscopic: large enough to be visible to the naked eye

94. math

plss help equation for this statement the distance D travelled by a car varies directly as its speed s

95. math

which numbers should you add to estimate the answer to this problem: 87,087 + 98.000 - 88,000+ 98,000 -85,000+95,000 - 87,000 +98,000 - 80,000+ 90,000 thanks for your help!

96. Algebra

Gustav’s father is seven times as old as he is. A year ago, he was nine times as old as Gustav. Find Gustav’s present age.

97. American Goverment

Despite their differences, the Founding Fathers all agreed that _____. democracy was the most important political value the Constitution should balance order, liberty, and popular sovereignty freedom must be protected at all costs a monarchy should be

98. chemistry

If 37.0 mL of HCl is used to neutralize 25.0 mL of 0.09345M LiOH. What is the concentration of the acid

99. physics

A car with a velocity of 19 m/s is accelerated uniformly at the rate of 1.8 m/s2 for 6.8 s. What is its final velocity?