# Questions Asked onMarch 16, 2014

1. ## MATH

SELECT THE APPROXIMATE VALUES OF X THAT ARE SOLUTIONS TO F(X)=0 Where f(x)=-3x^2+9x+3 not sure which answerer is correct (2.08,-0.48) or (-5,8)

asked by * HOPELESS
2. ## math

Help please select the approcimate values of x that are solutions to f(x)=0 where f(x)=-5x^2+8x+5 I so am lost please show me step by step

asked by * HOPELESS
3. ## Maths

A standard pack of 52 cards consists of 4 suits, hearts, diamonds, clubs and spades. Each suit has 13 cards, from Ace to King. We deal randomly 5 cards from the deck of 52. 2 deals differing only by the order are considered the same. How many different

4. ## statistics

A food manufacturer samples 7 bags of pretzels off the assembly line and weighs their contents. If the sample mean is 14.2 oz and the sample standard deviation is 0.60 oz., find the 95% confidence interval of the true mean.

5. ## Statistics

Compare the standard deviation for the heights of males and the standard deviation for the heights of females in the class.

6. ## maths

If 3^x + 4^x =5^x. Find X

7. ## law

there are two kinds of law in south africa.write a paragraph in which you identify these two kinds of sources of law;name the examples of sources of law that belong to each kind;and indicate the differences betweem these teo kinds of sources of law.

8. ## Science

Determine the pkb of methylamine if the kb is 4.4*10^-4.

9. ## Chemistry

Alternative answers: A)10 B)13 C)1.9 D)3.8 E)12

10. ## Math

5-24,3-40,8-15, 12-...? What is the missing number?

11. ## science

350g ofwater at 30 degree celcius is contained in a copper vessel of mass 50g. Calculate the mass of ice required to bring down the temperature of the vessel and its content at 5 degree celcius.

12. ## Math

you have a job assembling tables and chairs. you are paid \$30 for each chair and \$70 for each table. last week you assembled a total of 14 items and make \$660. how many did you make of each?

13. ## Probability

Let X and Y be normal random variables with means 0 and 2, respectively, and variances 1 and 9, respectively. Find the following, using the standard normal table. Express your answers to an accuracy of 4 decimal places. P(X>0.75)= P(X≤−1.25)= Let

14. ## Math

Let X and Y be normal random variables with means 0 and 2, respectively, and variances 1 and 9, respectively. Find the following, using the standard normal table. Express your answers to an accuracy of 4 decimal places. P(X>0.75)= P(X≤−1.25)= Let

15. ## chemistry

calculate the molarity of the solution prepared by dissolving 16.45g NH4NO3 in water to make 250.mL solution.

16. ## Economics

THE SOUTH AFRICAN GOVERNMENT IS NOT PROVIDING ENOUGH WELFARE OR SUBSIDIES TO THE POOR AND UNDERPRIVILEDGED. 1.What are welfare payments or consumer subsidies? 2.What is the South African government providing and to whom? 3.What are the cost and

17. ## Physics

A man wishes to cross a river from A to B, a distance of 800m. He can row at 8km per hour, in what direction should he head the boat to travel directly from A to B? How long does it take him to reach B? Please show working. Thank You!

18. ## math

Jack has 2009 unit cubes glued together to form a cuboid. He opens a packet containing 2009 stickers. He has enough stickers to stick one on each cube. How many stickers does he have left?

19. ## Accounting

the Dwyer corporation incurred costs of 114000 in purchasing a process which it eventually had patented. The patent was issued on July 20x1. To secure the patent, an additional 6000 had been spent on legal fees. On June 30 20x3, a patent infringement suit

20. ## Physics

A .75kg block is going at a velocity of 1.5m/s and moves on a frictionless surface. Then all of a sudden, the block hits a rough patch. The rough patch is .5m long and has a coefficient of friction of .25. Then it slides onto the frictionless surface

21. ## Geometry

Christopher wants to determine how far away a helicopter is from where he is standing. He knows the helicopter is sitting on the edge of a roof of an apartment building that is 400 feet high and 1,050 feet from where he is standing. Using the information

22. ## Chemistry

Determine the rate constant for the following second-order reaction: A=C+2D given that the initial concentration of A is .3 M and that the concentration of C increase to .01 M in 200 seconds. Express the result in terms of the rate law for the loss of A.

23. ## Chemistry

When the rate of the reaction 2NO+O2=2NO2 was studied, the rate was found to double when the O2 concentration alone was doubled but to quadruple when the NO concentration alone was doubled. Which of the following mechanisms accounts for these observations?

24. ## Chemistry

The net reaction for fusion on a star like our Sun is: 4H(1,1) ==> He(4,2) + 2e(0,+1) Calculate the mass defect for this reaction. If one atom of He is formed this way, calculate the energy released. If one Kg of He is formed, calculate the energy

25. ## science

Calculate the amplitude of a wave

26. ## Math

Towns A to F are to be connected by cable along existing roads. Need to figure the minimum length of cable required. Eash town must be connected to at least one other town. Distances are in miles. A-B 20, A-E 71, A-F 38, B-A 20, B-C 58, B-E 62,C-B 58, C-D

27. ## Science

do pure substances have different chemical and physical properties?

28. ## PHYSICS

Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 8.9-kg projectile from rest to a speed of 4.2 × 103 m/s. The net force accelerating the projectile is 1.4

29. ## basic college math

need the answer to track A offers a flat fee of \$25 and \$.40 per mile. truck b offers a flat fee of \$30 and \$.25 per mile

30. ## math

Simplify,root 3xy^3 root 2x^2y divided by root 6x^3y^4 x>0,y>0

31. ## Science

when molecules of water vapor in the air come into contact with a cold can of soda they lose energy slow down and form a liquid due to a decrease in what?

32. ## cal

Using the Second Partials Test Find the relative extrema of f(x,y)=-x^(3)+4xy-2y^(2)+1

33. ## Math

What is a trend line on a scatter plot? A. a visual representation of the relationship between two variables. B. a line connecting only the highest and lowest values on a graph. C. A line connecting all the data points on a scatter plot* D. Any line of

34. ## Science

a substance made of two or more elements chemically combined in a set ratio or proportion is called what

35. ## English

"That is what I did to make my difference." That's what I put for my body closing sentence and my teacher considers it lame. How could I improve it?

I posted a question for my education class yesterday and have gotten no reply. Will you look at it and see if you can help me. I am running out of time.It is under Education Cathy.

37. ## Biology

What is a mutation? How does this change the information in a DNA molecule?

38. ## math

You are pouring water from a cylindrical can is 7 cm in diameter and 10 cm high into a rectangular pan that is 20 cm in width, 9 cm in length and 14 cm deep. How many cans, can you pour into the pan? Use 22/7 for pi.

39. ## Biology

When a teapot boils, we see a white cloud rising from the spout. The white cloud is composed of: A. water in the liquid phase B. water in the gaseous phase c. water molecules coming apart to from H+ and OH- ions D. H+ and OH- ions coming together to form

40. ## Geology

Hi i'm looking for some help finding information on the topic of "mineral deposits" - specifically; where are Ontario, Canada's largest ones, what are they & how did they form? I'm having trouble finding enough research on this topic for my paper so any

41. ## chemistry

The specific heat of ethanol is 0.59 cal/g Celsius If one adds 450 cal of heat to 37 g of ethanol at 20 celsius what would the final temp be

42. ## Numerical Analysis

Use appropriate Lagrange interpolating polynomials of degrees one, two, and three to approximate each of the following: a. f(8.4) if f(8.1) = 16.94410, f(8.3) = 17.56492, f(8.6) = 18.50515, f(8.7) = 18.8209 help pls

43. ## bcf103

your acquisition program expects to award a vehicle production contract in April 2005. The first item from this contract is expected to be delivered in January 2006. The estimated unit cost for each vehicle is \$1 million (then-year dollars and the

44. ## Geology

Does anyone know where are Ontario's largest mineral deposits other than the ring of fire in the north? Thanks for the link Ms. Sue, still having trouble.

45. ## calculus

using the method of shells, set up, but don't evaluate the integral, an integral for the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. Y=e^x, x=0, y=2, about y=1

46. ## Physical Science 9

the contents of a can of air freshener are gaseous when sprayed but remain a liquid in the can due to what?

47. ## Physical Science 9

a substance made of two or more elements chemically combined in a set ratio or proportion is called what

48. ## Physical Science 9

when exposed to the same amount of heat for the same amount of time, a 3 g sample of copper will experience a greater temperature change then a 12 g sample of copper due to its smaller what?

49. ## algebra

Simplify (x^3y^4/z^6)^2 (a^0b^6)^0 (-2x)^-6 (4^2)^3 (x/3)^4

50. ## algebra

Evaluate each polynomial for the given value of the variable. –x2-5x+6; x= -3 2x2-4x-1; x= 5

51. ## Physics

no matter how i work it out, i keep getting the wrong answers. please help!!! i only have two more submissions before it closes on me. A sample of blood is placed in a centrifuge of radius 14.0 cm. The mass of a red blood cell is 3.0 x 10^-16 kg, and the

52. ## physics

A 28000 kg railroad freight car collides with a stationary caboose car. They couple together, and 20 percent of the initial kinetic energy is dissipated as heat, sound, vibrations, and so on. What is the mass of the caboose?

53. ## english

Someone can help me this Marking the rhythm please. Mark the strong beats in each line: Mary had a little lamb, its fleece was white as snow, and everywhere that Mary went, the lamb was sure to go.

54. ## statistic

You draw one card from a shuffled standard deck or cards (cards are in four suits-red diamonds, red heart, black clubs and black spades-and are numbered 2,3,4,5,6,7,8,9,10, J,O,K,A). A.What is the probability of drawing a red card B.What is the probability

55. ## English

1. What's she like? - She's really tall. 2. What's the boy like? - He is cute. 3. What's she like? - She is handsome. (Are they grammatical?)

56. ## Biology help please!

What is your opinion of the balance of nature hypothesis? Would the deer on the island be better off, worse off, or about the same without the wolves. Defend your position.

57. ## math

If P^0.223 =1 + P^0.123. Solve for P. Note:only a genius can solve this. Best of luck

58. ## Literature

Fallacies are errors in: emotional appeal organizational structure logical thinking choice of details

59. ## Chemistry

This is a problem I got on my Mastering Chemistry homework: Consider the following reaction: H2(g)+I2(g)⇌2HI(g) A reaction mixture at equilibrium at 175 K contains PH2=0.958atm, PI2=0.877atm, and PHI=0.020atm. A second reaction mixture, also at 175 K,

60. ## Chemistry

2 NaOH + CuSO4  Na2SO4 + Cu(OH)2 100g of Cu(OH)2 is needed. Assuming 100% yield, how much of 1M NaOH and 0.5M CuSO4 must be used in mL?

61. ## Physical Science 9

when an electric current is passed through water 2 gasses are formed is this a chemical or physical change

62. ## English

1.Read the paragraph and translate them into Korean one by one. 2. Read each sentence and translate the sentence into Korean one by one. 3. Read each sentence and translate it into Korean directly. 4. Read and translate each sentence at the same time into

63. ## Chemistry

2) Given the balanced reaction equation predict the moles of each product given the following reactants: AlCl3 + 3 NaHCO3 Al(OH)3 + 3 NaCl + 3 CO2 AlCl3 NaHCO3 Al(OH)3 NaCl 58.4 CO2 a 1 mol 1 mol ? ? b 1 mol 3 mol ? ? c 3 mol 1 mol ? ?

64. ## Calculus Help Please!!!

Use implicit diff. to find dy/dx of each of the following. In the following x,y and (a) are all variables. Show step by step please! Thank you! 1) y^2 = x^2+a^2 2) y^2+ay = x^2+ax+a^2

65. ## Calc

Differentiate f and find its domain. Show step by step please! f(x)=lnlnln(x) Thanks!

66. ## mat 116

Simplify (2x)^3+2^3x

67. ## math

City Cellular purchased \$28,900 in cell phones on April 25. The terms of sale were 4/20, 3/30, n/60. Freight terms were F.O.B. destination. Returned goods amounted to \$650. . If the manufacturer charges a 4 1/2 % late fee, how much would City Cellular owe

68. ## PHYSICS

A 0.380 kg pendulum bob passes through the lowest part of its path at a speed of 2.03 m/s. What is the tension in the pendulum cable at this point if the pendulum is 83.1 cm long? When the pendulum reaches its highest point, what angle does the cable make

69. ## math

Finney & Company purchased \$1,800 of merchandise on 5/6. The terms were 2/15 EOM. The sneakers were received on 5/20, sent FOB Shipping Point. Freight charges amounted to \$45. What payment must be made by that date to take advantage of the discount?

70. ## Calculus Help

Use logarithmic differentiation to find the derivative of the function. show steps please! y=(e^-xcos^2(x))/(x^2+x+1)

71. ## Algebra

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 4) The cheerleading squad is

asked by Can someone help???
72. ## Trigonometry

What are the exact solutions within the interval [0,2pi)? sin2x=cosx

73. ## Chemistry

Find the molarity of 0.02g of silver nitrate dissolved in 1kg of water

74. ## English

Thank you for your help. Posted by rfvv on Sunday, March 16, 2014 at 3:35pm. 1. What's she like? - She's really tall. 2. What's the boy like? - He is cute. 3. What's she like? - She is handsome. (Are they grammatical?) English - Writeacher, Sunday, March

75. ## physics

calculate the heat given up when 0.1kg of steam at 100¡ã© condenses to h20 at 40¡ã©(s.l.h of vaporisation = 2.2¡Á10^6) (c=4200)

76. ## C++

The variables arr1 and arr2 have been declared as pointers to integers . An array of 10 elements has been allocated, its pointer assigned to arr1, and the elements initialized to some values . Allocate an array of 20 elements , assign its pointer to arr2,

77. ## Chemistry 151

5) How many mL of 1M HCl is used to make the following dilutions? a) 100mL of 0.1M HCl = b) 250mL of 0.5M HCl= c) 10ml of 0.01M HCl= 36.64 is the molar mass of hcl do I divide that into ml?

78. ## psychology

The sense of smell is closely linked to: A. proper functioning of the auditory canal. B. perceptual constancy. C. memories and emotions. D. the physiology of the taste buds.

79. ## statistic help please

2. A survey of 259 families was made to determine their vacation habits. The two way table below sorts the families by location and the vacations by the length of the vacation. Rural Suburban Urban Total 1–7 days 80 39 37 156 8ormore days52 32 19 103

80. ## Chemistry

What is the molarity of an aqueous solution that is 6.44% glucose (C6H12O6) by mass? (Assume a density of 1.03 g/mL for the solution.)

81. ## Math plz help me!!! URGENT!!

Find the volume of a cone with a radius of 10 mm and a height of 6 mm. 628 mm3 600 mm3 1,884 mm3 1,254 mm3*** Find the lateral area of a cone with a radius of 7 ft. and a slant height of 13 ft. Use 3.14 for π and round to the nearest whole number. 439 ft2

82. ## english

list three sets of rhyming words from this poem. One set has four words. Summer. When summer blues the skies and thrushes sing for hours, and gold and orange butterflies float by like flying flowers. Although I squint my eyes the way a thinker does,

83. ## AP Calculus

The base of a solid is bounded by y =|x|+a, 0

84. ## AP Calculus

The average area of all squares with sides between a inches and b inches (b>a) is ____ in^2.

85. ## Physics

A 2.2 uC charge is located on the x-axis at x = -1.5 m. A 5.4 uC charge is located on the x-axis at x = 2.0m. A 3.5 uC charge is at the origin. Find the net force acting on the 3.5 C charge.

86. ## health

1.D 2.A 3.D 4.B 5.C 6.C 7.B 8.A 9.D 10.D 11.B 12.A 1. Joey lifts a heavy backpack off the ground.as he lifts the backpack,he keeps his legs straight and uses his biceps and back muscles to lift.in your analysis of joeys's form,you conclude he needs to use

87. ## physics

A force of 15N acts in the forward direction on a carton of 3kg. Suppose a friction force of 6N opposes the carton motion. Find the following: 1) the net force 2) the acceleration of the carton

88. ## Chemistry

What is the percent by volume concentration of a solution containing 300.mL of isopropyl alcohol and enough water to give 400.ml of solution?Which component is the solute and which is the solvent?

89. ## Math 2 questions

A rectangular prism has a width of 92 ft and a volume of 240 ft3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. 3.8 ft3 60 ft3 15 ft3 10.4 ft3 A pyramid has a height of 5 in. and a surface area of 90

90. ## help please statistic

Teenage drivers pay more for automobile insurance than older drivers. Also, many insurance companies offer discounts for teenage drivers that achieve good grades. Assume that 20% of all teenage drivers are involved in accidents each year. Assume that 10%

91. ## To Nina

I think you transposed the numbers for mass proton on your post yesterday which may be the reason you had trouble getting the answer in the book. I've posted a response at the original post which can be found here.

92. ## Probability

According to the record of the registrar's office at a state university, 40% of the students are freshman, 25% are sophomore, 20% are junior, and the rest are senior. Among the freshmen, sophomores, juniors, and seniors, the portion of students who live in

93. ## Calculus

Solve the boundary-value problem. y'' + 5y' - 6y = 0 , y(0) = 0 , y(2) = 1

94. ## Maths

A debate team of 4 is to be chosen from a class of 29 where the order in which the members of the team are chosen does not matter. There are two twin brothers in the class. How many possible ways can the team be formed which will not include any of the

95. ## Calculus

Solve the initial-value problem. y'' - 2y' + y = 0 , y(2) = 0 , y'(2) = 1

96. ## art appreciation

Choose 3 works of art from 3 artists from the Baroque period through the Postmodern era. Your 3 works of art should come from the time periods or art movements covered in the readings from Unit 4 and Unit 5. This assignment will have 6 Sections (A–F).

97. ## Language Art (Please Check)

1.C which of the following is a simple sentence? A.she lit a lantern and raced toward the bridge B.the lantern did not work,so she tossed it aside C.buck and minnie were the first horses out of the barn D.she was startled by a sound,which turned out to be

98. ## Ethics

1. Which of the following is a key Aristotelian idea that describes a midpoint between extremes of excess and deficiency? A. Eudaimonia B. The golden mean C. The middle path D. Care is it B 2. Which of the following is a virtue commonly emphasized in

99. ## Physics

A 2.2 C charge is located on the x-axis at x = -1.5 m. A 5.4 C charge is located on the x-axis at x = 2.0m. A 3.5 C charge is at the origin. Find the net force acting on the 3.5 C charge.

100. ## Physics

A 2.2 C charge is located on the x-axis at x = -1.5 m. A 5.4 C charge is located on the x-axis at x = 2.0m. A 3.5 C charge is at the origin. Find the net force acting on the 3.5 C charge.

101. ## Ethics

1. With regard to how we feel about ourselves and our own accomplishments, which of the following would be the virtuous midpoint between moral deficiency and excess? A. Arrogance B. Servility C. Self-respect/proper pride D. Courage is it C 2. Part of the

102. ## health(MS.SUE)

1.D 2.A 3.D 4.B 5.C 6.C 7.B 8.A 9.D 10.D 11.B 12.A 1. Joey lifts a heavy backpack off the ground.as he lifts the backpack,he keeps his legs straight and uses his biceps and back muscles to lift.in your analysis of joeys's form,you conclude he needs to use

103. ## Management for Organizations

he most important difference between managing and leadership can best be described as follows

104. ## Ethics

1. When confronted with a moral dilemma, care ethics encourages us to consider: A. relevant duties and imperatives. B. equality and proportionality. C. situational factors and the needs of all involved. D. natural and legal rights. im confused between B

105. ## poetry part 1

which one of the following lines best illustrates personification? a. spring is a dream unsung b. a narrow wind complains all day c. the fog comes on little cat feet d. she floated graceful as a dove. I think b or d

106. ## english

Underline the gerund phrase in each sentence. Then, indicate whether the phrase functions as a subject (S), an object of a preposition (OP), a direct object (DO), an indirect object (IO), or a predicate nominative (PN). 1. Pablo Morales became known as the

asked by felicity turner
107. ## chemstry

the most prominent line in the spectrum of an element is 267.2 in what region of the electromagnetic spectrum is this line found

108. ## Physics

A 540 g block is released from rest at height h0 above a vertical spring with spring constant k = 320 N/m and negligible mass. The block sticks to the spring and momentarily stops after compressing the spring 19.8 cm. How much work is done (a) by the block

109. ## Calculus Help

Use logarithmic differentiation to find the derivative of the function. y = (tan x)^(7/x)

110. ## math

Ms.whittier wrote the following on the board:the product of 6 and the sum of 4 and 5.sherry wrote the following expression,6x4+5.did she write the correct expression?why or why not.

111. ## Stats

Allen's hummingbird (Selasphorus sasin) has been studied by zoologist Bill Alther.† Suppose a small group of 17 Allen's hummingbirds has been under study in Arizona. The average weight for these birds is x = 3.15 grams. Based on previous studies, we can

112. ## english

Put an accent mark above the strong beats in the first four lines of the poem : Back and Forth. Back and forth go the ferries, back and forth from shore to shore, hauling people, trucks and autos, back and forth from shore to shore.

113. ## Life Orintation

i dentify three study field/career paths in order of preference and provide two reasons for each choice

asked by Sicelo Innocent Nkosi
114. ## Language Art help

How does the great radio scare help you gain an understanding of past events? A.it tells why people are afraid of things they don't understand B.it tells of a radio broadcast that sounded so real people believed it was true C.it tells of an event that led

115. ## math

please solve 100 divided by 5 to the 2nd power times 4 to the 3rd power.

116. ## chemistry

Upon decomposition, one sample of magnesium fluoride produced 1.95 kg of magnesium and 3.05 kg of fluorine. A second sample produced 1.10 kg of magnesium.

asked by elijah mann
117. ## math

An architect was designing a rectangular room with a lenghth of 16ft,a width of 14ft,and a height of 10ft.what is the volume of the room?I added and got 40 cubic feet but not for sure if its right

118. ## science

how do you explain the millions of different substances found on earth

119. ## Chemistry

I have discovered a new chemical compound with the formula A2B. If a saturated solution of A2B has a concentration of 4.35x10-4M. a) What is the concentration of B2- ions? b. What is the concentration of A1+ ions? c. What is the solubility product constant

120. ## Math

Can someone show me how to solve these questions. A plane is is flying 240 mph heading N60°E. The wind is blowing S30°E at 30 mph.   6. What is ground speed of the plane?    The ground speed of the plane is 266.40. 7. What is the smallest angle in the

121. ## physics

Light enters a container of liquid at an angle of 35° to the normal; the refracted beam makes an angle of 21° with the normal. Calculate the index of refraction of this liquid.

122. ## Algebra

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 4) The cheerleading squad is

asked by Can someone help???
123. ## math

please somebody explain the product of 6, and the sum of 4 and 5?I have to show if 6x4+5 is the right answer.

124. ## Math

Find the dimensions of a rectangle of maximum size that will fit into a half circle of radius 27

125. ## Math 134

A single person could expect to pay \$4,760 in income taxes on an adjusted gross income of \$34,000 how much more tax should the person expect to pay if her adjusted gross income increased by \$2,000, knowing that this owuld not move her into the higher tax

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126. ## trig

Find all angles, 0≤A

127. ## Math

George says that if you subtract 185 degrees from an angle that measures 360 degrees, the new angle is an obtuse angle. Is this true

128. ## math

Bubble wrap sells in sheets, and each sheet has 1 million individual spherical bubbles, each with a diameter of 0.01 m. What is the total volume of air contained in the bubbles of two sheets of bubble wrap? Round to the nearest tenth.

129. ## english grammar

DOES THIS MAKE SENSE. Each OF THESE jobs occupies-essential specific characteristics

130. ## Math 117

If you can please help, I would greatly appreciate it! Determine the equation of g(x) that results from translating the function f(x) = (x + 10)2 to the right 12 units. Thank you!

131. ## Math 117

Consider the equations: f(x) =-6x-1 and g(x)=4x^2 Select the solution for (fg)(x)

132. ## Math 117

If you can please help, I would greatly appreciate it! Determine the equation of g(x) that results from translating the function f(x) = (x + 10)^2 to the right 12 units. Thank you!

133. ## math

state the corrdinates of the centre of the circle described by the equation. x^2+y^2=R^2 please help!

134. ## Algebra

Compute and write your answer in scientific notation. (4.3 x 10-8) (1.5 x 109)

135. ## algerbra

A taxi company charges \$2.40 for the first mile and \$1.20 per mile for each additional mile. How much would the bill be for a 15 mile trip?

asked by mark ingram
136. ## Algebra

Compute and write your answer in scientific notation. 8.2 x 105 2.75 x 10-3

137. ## Algebra

Compute and write your answer in scientific notation. 6.3 x 10-7 3.25 x 10-12

138. ## Math 134

Sorry to bother those who are helping me but I simply just do not understand and really need help. A single person could expect to pay \$5220 in income taxes with an adjusted income gross of \$29,000. If my adjusted gross increases to \$2,000 but does not

asked by In need of help
139. ## Math

Pam served her apple pie on a 13 inch diameter dish. She wanted to tie a ribbon around the dish to make it a little more festive. How long does the ribbon need to be in order to fit around the dish?

140. ## Physics

Three point charges of 8 C, 3 C, and -5 C, are locate at the top, bottom left, and bottom right corners respectively of an equilateral triangle of side 1Å. Find the magnitude and direction of the net force on the 3 C charge.

141. ## Math 134

Add or subtract and simplify if possible: 2x + 9 -36 ---- --- --------- x+3 x-3 x^2-9

asked by In need of help

If you can please help, I would greatly appreciate it! Determine the equation of g(x) that results from translating the function f(x) = (x + 10)^2 to the right 12 units. Thank you!

143. ## Math

How many square inches of crust would it take to cover the bottom of a pie dish with a 15 diameter?

144. ## Chemistry Help Please

Each of the following statements is false. Rewrite each so that it makes a correct statement about free energy. a. ΔGuniverse > 0 for any spontaneous process. b. ΔH = ΔG TΔS.

145. ## math

determine the equation of a circle that has its center a (0,0) and passes through each point. a)(6,-3)

146. ## Math college level

Sorry to bother those who are helping me but I simply just do not understand and really need help. A single person could expect to pay \$5220 in income taxes with an adjusted income gross of \$29,000. If my adjusted gross increases to \$2,000 but does not

asked by I dont understand
147. ## Math

Becca wants to make a giant cherry pie to try to break the world record. If she succeeds in making a pie with a 20 foot diameter, what will be the total distance around the pie?

148. ## Chem Check Please!!!

Using standard thermodynamic data from Appendix L of your text, calculate the equilibrium constant at 298 K for the following chemical reaction: CO(g) + H2O(l) CO2(g) + H2(g). Show work please! Thank you!!!

149. ## Chemistry Help Please

Using standard thermodynamic data from Appendix L of your text, calculate the equilibrium constant at 298 K for the following chemical reaction: CO(g) + H2O(l) CO2(g) + H2(g). Show work please! Thank you!!!

150. ## Science

Some animals, but not humans, have an organ called a gizzard located near the top of their digestive tract. This organ is small and can contain small rocks. It also has thick, muscular walls. Based on this physical description, which of the following is

151. ## Chem HELP !!!

Using a table of standard electrode potentials (as in Appendix M of your text), calculate the standard cell potential, Eo, for: 2 Fe2+(aq) + Cl2(g) 2 Fe3+(aq) + 2 Cl(aq).

152. ## CHEMISTRY

A voltaic cell is constructed that uses the following reaction and operates at 298 K: 2 Al(s) + 3 Mn^2+(aq) 2 Al^3+(aq) + 3 Mn(s). What is the potential, E, of this cell when [Mn^2+] = 0.10 M and [Al^3+] = 1.5 M?

153. ## Math 117

Determine the equation of g(x) that results from translating the function f(x) = x2 + 9 upward 10 units. Thank you so much!