# Questions Asked onDecember 14, 2014

1. ## P.E. help

Conservation is the protection and preservation of A. The natural enviornment B. Industries C. Farm land D. Residential areas. Is the answer A?

2. ## math

Sheldon needs to buy 8 gallons of ice cream. Cold Farms price small size \$2.50 for 1 pint large size \$4.50 for 1 quart Cone Dreams price of small size \$4.25 large size \$9.50 for 1 gallon Which size container of Cold Farm ice cream is the better deal?

3. ## Calculus (math)

Warfarin is a drug used as an anticoagulant. After administration of the drug is stopped, the quantity remaining in a patient's body decreases at a rate proportional to the quantity remaining. Suppose that the half-life of warfarin in the body is 35 hours.

4. ## math

Four friends at a party popped 3/4 of a bag of popcorn. They ate half of what was popped. What fraction of the popcorn in the bag did they eat?

5. ## physics

Calculate the acceleration of a sled that is heading down a 50° slope (one that makes an angle of 50° with the horizontal). The coefficient of kinetic friction on ice is μk = 0.100. (Take the x direction to be parallel to and down the slope and the y

6. ## physics

A rope attached to a truck pulls a 180-kg motorcycle at 9.0 m/s. The rope exerts a 400-N force on the motorcycle at an angle of 15∘ above the horizontal. What is the work that the rope does in pulling the motorcycle 300 m? Express your answer with the

7. ## Science Help!!!!

Which of the following is used to make biomass fuel? A. Coal B. Natural gas C. Plants and animal waste D. Petroleum Is the answer C?

8. ## Science Help!!!!

In which of the following places is it more difficult to determine if there is pollution? A. Aquifer B. Stream C. Ajr D. Pond Is the answer d?

9. ## Prob&Stat

If 52% of the customers at a certain grocery store regularly use coupons, what is the approximate standard deviation of the sampling distribution of the proportion for samples of size 240? 2.1% 3.2% 4.7% 10.4%

10. ## Science Help!!!!

Which of the following is a source of photochemical smog. A. Fossil fuels B. Wind energy C. Biomass fuels D. Nuclear energy Is the answer A?

11. ## Sixth Grade Math

Three different rectangles have an are of 28 square units. What are the possible whole-number dimensions of the rectangles? Can someone please help me how to solve this problem?

12. ## physics

A radar antenna is tracking a satellite orbiting the earth. At a certain time, the radar screen shows the satellite to be 181 km away. The radar antenna is pointing upward at an angle of 66.2 ° above the ground. Find (a) the x and (b) the y components (in

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13. ## math

Suzanna does not have a ruler but she has a several books that is 17 centimeters tall. Suzanna lays the books end to end and finds tat the board is the same length as 21 books. How many centimeters long is the board

14. ## algebra

find all the zeros of the equation. -3x^4+27x^2+1200=0 I'm really confused, can someone help explain?

15. ## chemistry

Magnesium has three naturally occurring isotopes: Mg-24 with mass 24.3050 amu and a natural abundance of 78.99 %, Mg-25 with mass 24.9858 amu and a natural abundance of 10.00 %, and Mg-26 with mass 25.9826 amu and a natural abundance of 11.01 %. Calculate

16. ## math

Suppose payments were made at the end of each quarter into an ordinary annuity earning interest at the rate of 9%/year compounded quarterly. If the future value of the annuity after 8 yr is \$80,000, what was the size of each payment?

17. ## Math

A teacher tells 6 students the title of the next school play. Those 6 students each tell the title to 6 students. Then those additional students each tell the title to 6 students. How many students have been told the title of the next play? Answer: 6^3 =

18. ## Social Studies

this may be a complicated question so plz just try as hard as you can don't like... destroy ur brain on this or anything. Describe the economic and political differences between the up country and the low country. how do these differences lead to tensions

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19. ## Calculus

Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first derivative test to decide whether this function has a maximum at x = 1

20. ## Statistical Reasoning

The size of an e-mail file is stated as 210 KB, but the file size is actually 220.5KB. What is the absolute error?

21. ## Physics

A 283 g air track glider moving at 0.69 m/s on a 2.4 m long air track collides elastically with a 467 g glider at rest in the middle of the horizontal track. The end of the track over which the struck glider moves is not frictionless, and the glider moves

22. ## Calculus (math)

A group of engineers is building a parabolic satellite dish whose shape will be formed by rotating the curve y=ax2 about the y-axis. If the dish is to have a 8-foot diameter and a maximum depth of 2 feet, find the value of a and the surface area (in square

23. ## physics

A student is skateboarding down a ramp that is 6.52 m long and inclined at 19.8 degrees with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp 2.24 m/s. Neglect friction and find the speed at the bottom of the ramp in

24. ## Calculus (math)

A tank in the shape of an inverted right circular cone has height 7 meters and radius 4 meters. It is filled with 5 meters of hot chocolate. Find the work required to empty the tank by pumping the hot chocolate over the top of the tank. The density of hot

25. ## Chemistry

Which of the following is an example of quantization? A. The amount of time spent in a classroom B. The number of students in a classroom C. Learning happening in a classroom D. The temperature range in a classroom I know I asked this question but I would

26. ## math

Classic Furniture purchases dining room sets with an invoice date of September 27, and terms of sale of 3/10, n/60. What is the net date? A) October 17 B) October 22 C) November 2 D) November 26

27. ## physics

A 5 kg object moving with a speed of 6.6 m/s collides with an 18 kg object moving with a velocity of 8.4 m/s in a direction 19 degrees from the initial direction of the motion of the 5 kg object. What is the speed of the two objects after collision if they

28. ## chemistry

A 27.00mL sample of an H2SO4 solution of unknown concentration is titrated with a 0.1422M KOH solution. A volume of 40.22mL of KOH was required to reach the equivalence point. What is the concentration of the unknown H2SO4 solution? Any help would be

29. ## physics

radius R of the orbit of a geosynchronous satellite that circles the earth. (Note that R is measured from the center of the earth, not the surface.) You may use the following constants: The universal gravitational constant G is 6.67×10−11N⋅m2/kg2. The

30. ## Cal

Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first derivative test to decide whether this function has a maximum at x = 1. Which of the following describes what you found?

31. ## PHYSICS

FIND THE PRESSURE EXERTED ON A 6FTX10FT WALL BY THE ATMOSPHERE, IF ATMOSPHERE PRESSURE IS 14.7 PSI.

asked by SIVA RAM
32. ## Sixth Grade Math

Complete the following statement. As the value of n in the expression (1/4)^n increases, the value of the expression is? I need help with this question.

33. ## Social Studies

Britain guaranteed the rights of French Canadians in the ? 1 Quebec Act 2. Act of Union. 3. British North America Act 4 Dominion of Canada. Thanks

34. ## math

Renting a Car A rental car costs \$25 plus \$0.25 per mile. (a) Write an equation that gives the cost C of driving the car x miles. (b)When will the rental be \$100 dollars? Complete numerically with a table of values.

35. ## AP Calculus

The management of a large store has 1600 feet of fencing to fence in a rectangular storage yard using the building as one side of the yard. If the fencing is used for the remaining 3 sides, find the area of the largest yard possible.

36. ## physics

A man cleaning his apartment pushes a vac- uum cleaner with a force of magnitude 57.6 N. The force makes an angle of 25.3◦ with the hor- izontal floor. The vacuum cleaner is pushed 2.71 m to the right along the floor. Calculate the work done by the 57.6

37. ## Social Studies

I could use the help as soon as possible from any1, but i know some of yall r busy so take ur time! :) 16. At one point, slavery in south carolina was dying out. what renewed interest in slavery? a. the importance of tobacco b. the power of plantation

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38. ## physics

A car is moving at 53 miles per hour. The kinetic energy of that car is 5 × 105 J. How much energy does the same car have when it moves at 102 miles per hour? Answer in units of J HELP!!!! I've tried doing (5*10 J)* (102/53)^2 and I keep on getting it

39. ## Math

A website developer is designing a website for a clothing company. Clothing items will be arranged on a web page in a rectangular display showing 32 clothing items, with the same number of items in each row. How many ways can the display be arranged?

40. ## physic 210

A car is traveling with a velocity of 17 m/s on a straight horizontal highway. The wheels of the car have a radius of 48 cm. If the car then speeds up with an acceleration of 2 m/s² for 5 s, determine the number of revolutions of the wheels during this

41. ## math

Karen and Alicia sell TVs. Last month Alicia sold 15 less TVs than Karen. Together they sold 99. How many TVs did Karen sell?

42. ## physics

A cup of coffee is sitting on a table in an airplane that is flying horizontally. The coefficient of static friction between the cup and the table is 0.258. Suddenly, the plane accelerates horizontally. What is the maximum acceleration (in m/s2) that the

43. ## Biology

1. Ferrets have 40 chromosomes in each heart cell. There are ____ chromosomes in each egg. Answer: 20 2. If a skunk has 25 chromosomes in each gamete, then how many chromosomes are in each sperm cell? Answer: 25 3. Sheep have 27 chromosomes in each cell

44. ## Calculus (math)

The velocity function (in meters per second) for a particle moving along a line is given by v(t)=t3−5t2. Find the displacement and the distance traveled by the particle during the time interval [-1,6]. Distance traveled = ?? I got 2089/12m as answer but

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45. ## Calculus (math)

Consider the area between the graphs x+3y=35 and x+5=y2. This area can be computed in two different ways using integrals

46. ## Calculus (math)

A bacteria culture grows with constant relative growth rate. The bacteria count was 784 after 2 hours and 117649 after 6 hours. What is the relative growth rate? What was the initial size of the culture? Find an expression for the number of bacteria after

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47. ## Math

Laverne starts counting out loud by 5's. She starts with 7. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds 5000, Shirley runs screaming from the room. What number did Laverne last say before Shirley flees?

48. ## psycholigy

Cultural learning involves all aspects of the learning processes that psychologists have identified over the years, such include: a. classical conditioning b. operant conditioning c. social learning d. All of the above.

49. ## chem

balance the reaction using the half reaction method. OsO4 + C2H4 -> Os + CO2 worksheet does not show if it is in a gas and aqueous state.

50. ## Chemistry

If 25.00 ml of H2SO4 solution is titrated to an end point with 32.16 ml of 0.1986 M NaOH, what is the molarity(M) of the H2SO4 acid?

51. ## Quick english help

Please check & see if I classified these sentences as simple, complex, or compound correctly! 1. His tie is going to choke him unless we can get it off. (Is this a complex sentence?) 2. She laughed so hard until the teacher told her to stop. (Is this a

52. ## Calculus

A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m higher than the bow of the boat. If the rope is pulled in at a rate of 1m/s,how fast is the boat approaching the dock when it is 8 m

53. ## P.E. help

Which of the following is a non-renewable resource? A. Soil B. Sunlight C. Air D. Natural gas Is the answer D?

54. ## English

In which one of these sentences does an adverb modify a verb? A. Lucy quickly hid behind the tree. B. The dress was terribly old. C. Jacob was a very smart boy. D. Mr. Dodge moved in an extremely slow manner. I think it's A?

55. ## psychology

In general, the approach to stress embraced by psychoneuroimmunologists focuses on

56. ## Math

Wooden blocks are stacked to form a cube 3 block wide, 3 block long, and 3 block high. How many blocks are used? 27 blocks are used

57. ## P.E. help

The burning of fossil fuels contribuets to: A. Air pollution B. Water pollution C. Land pollution D. Sewage Is the answer A?

58. ## Science Help!!!!

Solar,wind,nuclear,and hydorelectric energy sources are similar in which of the following ways? A. They are all nonrenewable energy sources. B. They all require an indirect use of sunlight in order to make electricity. C. They are all considered

59. ## english

Which one of the following words is not an object of a preposition? A. afternoon B. cushions C. pockets D. bed c?

60. ## algebra 2

a. find the value of the discriminant b. describe the number and type of root c. find the exact solution by using quadratic formula 1. p^2+12p=-4 2. 9x^2-6x+1=0 3. 2x^2-7x-4=0

asked by Reina Bonilla
61. ## Chemistry

What is the conjugate acid of HPO4^2-(aq)? A. H3PO4(aq) B. HPO4^2-(aq) C. H2PO4-(aq) D. PO4^3-(aq) E. H3O+(aq)

asked by Tuan Le
62. ## Biology

Male donkeys have 62 chromosomes in an eye cell. How many chromosomes would be found in a female donkeys egg? Answer: 62 Normally, pigs have 38 chromosomes in each somatic cell. How many chromosomes are there in a cell that has gone through meiosis?

63. ## Math

Given: Segment AB is congruent to Segment DE Prove: Segment AD is congruent to BE Note: (for the illustration) C is the midpoint of Segment AE, B is the midpoint of Segment AC and D is the midpoint of Segment CE.

64. ## Sixth Grade Math

A teacher tells 6 students the title of the next school play. Those 6 students each tell the title to 6 students. Then those additional students each tell the title to 6 students. How many students have been told the title of the next play? Answer: 6^3 =

65. ## precalculus

(A) find the domain of the function, (B) decide if the function is continuous, and (c) identify your horizontal and vertical asymptotes. F(x)= (3x^2+1)/(x^2+x+9) Find the zeros (if any) of the rational function. G(x)= (x^3-8)/x^2+4 H(x)=5 + 3/(x^2+1) G(x)=

66. ## P.E. help

Wastes from household, industrial, and agricultural sources can cause water pollution True False Is the answer true?

67. ## English II

Can "I left Baltimore with a young heart overborne with sadness, and a soul full of apprehension", be used as antithesis?

68. ## physics

In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0442 s, during which time it experiences an acceleration of 231 m/s2. The ball is launched at an angle of 55.0° above the ground. Determine the (a)

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69. ## Math

5 rad = _____ degrees: Round to the nearest hundredth if necessary 5pi/8 = ________ degrees: Round to the nearest hundredth if necessary

70. ## Calculus

A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? (b) At what rate is his distance from

71. ## Calculus

A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? (b) At what rate is his distance from

72. ## MATH

Suzanna needs a board that is at 3.5 meters long. is the board long enough Explain

73. ## English

I REALLY need help finding a use of Ethos in "Narrative of The Life of Frederick Douglass, An American Slave", chapter 8. Do not know if I should use part where they treat his grandmother badly after serving master for such a long time.

74. ## science

how many cell divisions would it take to produce at least 1000 cells from one Cell?

75. ## English

(1) Brenda would have liked to have taken her vacation at the beach. (2) However, the weather forecast on the television called for rain. (3) Also, her fiancé, Max, wanted to vacation in the mountains. (4) After a heated discussion, Brenda and Max decided

76. ## Calculus

A baseball diamond is a square with side 90 ft. a batter hits the ball and runs toward first base with a speed of 24 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? Is the answer 0.0932ft/s? I don't see

77. ## Mechanics, Rigid body

At t = 0 s a flywheel is rotating at 20 rpm. A motor gives it a constant acceleration of 1 rad/s^2 until it reaches 100 rpm. The motor is then disconnected. How many revolutions are completed at t = 21 s? What I've done so far is multiply my 20rpm and

78. ## P.E. help

Non-renewable resources mean it takes a longer time for the earth to produce it than the rate at which we use it. True False Is the answer True?

79. ## chemistry

Which of the following is an example of quantization? A. The amount of time spent in a classroom B. The number of students in a classroom C. Learning happening in a classroom D. The temperature range in a classroom I strongly believe the answer is A. Any

80. ## Math

Penn writes a 2013-term arithmetic sequence of positive integers, and Teller writes a different 2013-term arithmetic sequence of integers. Teller's first term is the negative of Penn's first term. Each then finds the sum of terms in his sequence. If their

81. ## Any Math Tutor Online? Help

man on 12m tower, he observed two houses. the angle of depression to one of them was 6' and the other is 3'. how far apart the houses are. Calculate the distance between the house if: a)the houses are on the same side of the tower b)the houses are on

82. ## Chemistry

A gas is allowed to expand at constant temperature from 4.274L to 6.877L against an external pressure of 1.977 atm. If at the same time the gas absorbs 773 J of heat from the surroundings, what is Delta E for this process? (Note: Pay attention to units; 1

83. ## Calculus

Find the x-values where f(x)=x^4-8x^3 attains a relative minimum, relative maximum, and inflection points, if any. Justify your answers. My derivative test didn't seem right.

84. ## Math

Convert 35 degress to radian measure. Convert 250 degress to radian measure.

85. ## Biology

Ferrets have 40 chromosomes in each heart cell. There are ___ chromosomes in each egg. Answer: 20 If a skunk has 25 chromosomes in each gamete, then how many chromosomes are in each sperm cell? Answer: 25 Sheep have 27 chromosomes in each cell that had

86. ## statistics

There are three brands of milk for sale in a supermarket. Let's call them brand A, B, and C. A customer who purchases milk will choose brands A,B, and C with probability 0.6, 0.3, 0.1, respectively. Each day, the toal number of customers who purchase milk

87. ## Math

Problem 6: Let a1,a2,.........a10 be an arithmetic sequence. If a1+a3+a5+a7+a9=17 and a2+a4+a6+a8+a10=15, then find a1.

88. ## calc

use green's theorem to evaluate the integral of x^2dy where C is the boundary of the rectangle with vertices (0,0),(2,0),(2,3),(0,3) oriented counterclockwise. the answer is 12. can someone please explain

89. ## calculus

Given f(x,y,z)= use stokes theorem to determine the flux integral curlF dot ds, where S is the graph of z=9 - x^2 - y^2 for z>=0 , oriented by the upward normal. please help!

90. ## math

They are planning to sell 75 year anniversary logo football to help raise money. an original full size logo football will sell for \$22 and a miniature logo football will sell for \$6. if they sell all 6000 footballs they ordered they can make \$76000.

91. ## P.E. help

Cleaning up waste sites and improving waste management are ways to protect land and water True False Is the answer true

92. ## Staatistics

2 Packets of crisps from a production line have a weight distribution that is normal with a mean of 50.0 grams and a standard deviation of 2.0 grams. Samples are taken of size 36. 1. What is the probability that a sample mean is less than 49.0 grams? (Give

93. ## basic chemistry

Fe3O4 + 4 H2 -> 3 Fe + 4 H2O What mass (g) of Fe3O4 would be needed to react with 1.38 x 10^3 mol H2?

94. ## Biology

Explain what happens at the first checkpoint If GO is prevented from occuring. Answer: these cells can be called back from the G0 phase to the cell cycle by external cues

95. ## physics

A block at rest. The coefficients of static and kinetic friction are .75(Static) and .64(Kinetic). The acceleration of gravity is 9.8m/s^2 and the mass is 46kg. I've solved for the frictional force which is, 252.0841609N. Though what is the largest angle

96. ## History Day thesis

Does this make sense? Sacagawea played a major role in the succes of the Lewis and Clark Expedition from helping with translating and navigating to calming and gathering food for the exploresrs, she left a trail of inspiration and impacted countless

asked by Peter Pan
97. ## Chem

Na P Ca Br arrange in incresing order of atomic size

98. ## Physics

An object is thrown upwards from a height of 50.0m at an initial speed of 19.6m/s. Determine how long will it take for the object to reach the ground.

99. ## Analytic Geometry

Find the bisectors of the interior angles of the triangle whose sides are the line 7x+y-7=0, x+y+1=0 and x+7y-4=0.

100. ## P.E. help

A major problem that society is creating for the enviornment is A. A wealth of resources B. Too many volunteers. C. The burning up of fossil fuels D. An overabundance of land Is the answer B?

101. ## chem

An award is being plated with pure gold before it its presented to a recipient. If the area of the award is 55.0 cm^3 and will be plated with 3.00 micrometers of Au, what mass of Au will be plated on the award? The density of Au is 19.3 g/cm^3.

102. ## physics

What happens to the diffraction pattern when you have a small wavelength and large slit width in single slit interference? Say you have a light of 700nm shining through a diffraction grating with the separation of slits being 450nm. What pattern would you

103. ## Chemistry

Suppose a student used 28.4 ml of 0.100 M NaOH solution to neutralize the 25.0 ml of the lemon juice sample which contains citric acid (H3A)in it. H3A + 3NaOH -----> Na3A + 3H2O Molar mass of citric acid = 192.2 g/mole a)What is the molarity(M)of citric

asked by Nam Le
104. ## Chemistry

What is the difference in a polyatomic ion that has its name end in (-ate) as compared to one with the same central element that ends in (-ite)

105. ## chemistry

Iodine(I2)is a solid molecular compound at room temperature. Predict its solubility in liquid water(H2O)and in liquid cyclohexane(C6H12) at room temperature respectively and provide explain for your answer.

asked by Nam Le
106. ## english

One does not set fire to the roof and then go to bed. I think this is a compound sentence cos it has two sentences. "one does not set fire to the roof." and * is the coordinating conjunction "go to bed." what do you think?

107. ## easy geometry

Can you please show you solution and final answer here. Thanks! 1.Find the altitude,perimeter and area of an isosceles trapezoid whose sides have lengths 10 cm, 20 cm, 10 cm and 30 cm. 2. The formula A=P(a+r)^2 is used to find the amount of money A in an

108. ## Science 😭

How is incomplete dominance different than dominance? Explain why incomplete dominance only occurs in this genotype?

109. ## Calculus

Use linear approximation to approximate f(0.8) given f(x)=2x^3-3x+1

110. ## algebra

Based on average range of temperatures would 99 degrees in la be a likely temperatures on December explain why or why mot

111. ## Biology

If there are two sets of 21 chromosomes in a rat's lung cell, how many total chromosomes are there in a cell that undergoes mitosis? Answer: 42

112. ## Chemistry

25.0 ml of 0.235 M NiCl2 are combined with 30.0 ml of 2.260 M KOH. How many grams of nickel hydroxide will precipitate?

113. ## astronomy

Which of the stars in the table above are always visible (never set) as seen from Saint Petersburg, Russia?

114. ## algebra 2

simplify the expression -6+i/-5+i

115. ## math

what is the standard deviation for a sample of 2 month old babies height: 15,17,20,16,23,16,19

116. ## math plz help

man on 12m tower, he observed two houses. the angle of depression to one of them was 6' and the other is 3'. how far apart the houses are. Calculate the distance between the house if: a)the houses are on the same side of the tower b)the houses are on

117. ## calculus

The graph of a function f is shown. Use the differential equation and the given point to find an equation of the function. dy/dx=4x+(9x^2/(3x^3+1)^(3/2)) and the point (0,2) using the substitution method of integration.

118. ## Science Help!!!!

Which of the following energy sources is relativelyexpensive to set up, but has a low cost once it is in place? A. Natural gas B. Coal C. Nuclear power D. Solar power Is the answer D?

119. ## math

Last year,a total of 498 people attended an annual free concert outside city hall. This year,572 people attended the concert. To the nearest tenth, what is the percent increase in attendance from last year to this year?

120. ## Science

15 ml of saturated solution of potassium chloride in water at 50 degress Celsius is raised to 70 degress Celsius. How much more kcl will dissolve?

asked by Brian Chum
121. ## trigometry

man on 12m tower, he observed two houses. the angle of depression to one of them was 6' and the other is 3'. how far apart the houses are. Calculate the distance between the house if: a)the houses are on the same side of the tower b)the houses are on

122. ## Physics

A body moving with uniform acceleration covers 64.4 m in 7s and 110 m in 10s. Find its initial velocity and acceleration. Okay, I know how to solve this, however, i'm not quite sure which equation i'm supposed to use. Am I going to need 2 equations to

123. ## P.E. help

Pollution is the presence or release of substances- called pollutants- into the enviorment in quantities that are harmful to living organisms. True False Is the answer True?

124. ## Sixth Grade Math

To find the surface area of a box, add the areas of the faces: 2(lw) + 2(lh) +2(wh). What is the surface area of the box below? H=8m W=5m L =11m My answer is 366m.

125. ## Calculus

Let f(x) be a polynomial function such that f(-2)=5, f'(-2)=0, and f"(-2)=3. The point (-2,5) is a(n)____of the graph f. A. Relative maximum B. Relative minimum C. Intercept D. Point of Inflection E. None of these

126. ## Math

1) A car is traveling at a rate of 70 miles per hour. what is this speed in feet per minute. 2) Nina can braid 28 inches of rope in 1 hour. What is her speed in feet per hour? I am studying but I don't understand these questions. I have test tomorrow.

127. ## chemistry

How many moles of iron are expected from the reaction between 115 moles of H2 with excess Fe3O4?

128. ## Thesis Help

Does this include leadership and legacy? Does it make sense and portray Scagaweas role in the Expedition? Sacagawea played a major role in the succes of the Lewis and Clark Expedition from helping with translating and navigating to calming and gathering

129. ## math

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -8x2 + 6x + 3.

130. ## Math

Expand and simplify: (9z2 - 2z + 10)(3z + 12)? I got 27x^3+102z^2+24z+120 correct me if i'm wrong pls? ty

131. ## english

Which one of the following words represents an object of a preposition? A. afternoon B. Daryl C. sofa D. trouser b?

132. ## 7th grade math

Can you check these? 3. Simplify (56/8+3)*2-1 Ans = (7+3)*2-1 = 10*2-1 = 20-1 = 19 9. A spool of lanyard is 21 yards long. If it is cut into pieces that are each 1.75 yards long, how many pieces of lanyard will there be? Ans:21/1.75 = 12 pieces 12. (3/5)x

133. ## sixth grade math

what are the prime factorization of 88? I need help!

134. ## Algebra

How do you sole the problem below? Kevin flies a plane against a headwind for 5600 miles. The return trip with the wind took 10 hours less time. If the wind speed is 5 mph, how fast does Kevin fly the plane when there is no wind?

135. ## physics

There are 45,000 calories in one ounce of pasta, how many ounces do i have to eat to get from ground floor to the 3rd floor (18.2 m)? my weight is 58kg

136. ## gen chem (already have answer)

Suppose 77.4 g P4S6 (MM = 316.24 g/mol) and 269 g KClO2 (MM = 106.55 g/mol) were reacted together. What is the limiting reagent, and how many moles of the limiting reagent were initially present? P4S6 + 11 KClO2 -> 2 P2O5 + 6 SO2 + 11 KCl We got the

137. ## Math

What are the prime factorization of 88? 1,2,4,8,11 Am I correct?

138. ## math

in a resort town, the number of people employed during any given month, f(x) in thousands, can be modeled by function f(x) = 2.3 sin 30 (x+1) + 5.5, where x represents the month, with january =1 and february =2 and so one

139. ## Just out of curiosity

Are the teachers here getting paid to help the students? Is this a paid program?

140. ## Chemistry

Which of the following factors affect the solubitity? a)temperature of the solutions b)polarity of the solvent vs solute molecules c)partial pressure of the gas above the solution d) all of the above

141. ## english

Hello can you plz tell be a good tieback i can use for my essay. the topic is resolution of conflict and i am doing all 4 characters from to kill a mockingbird. I don't know how to tieback a paragraph. Topic: what does the author develop on how the

142. ## Math Question

Given tan θ = -8/5 and sin θ < 0, find sin θ, cos θ, csc θ, sec θ, and cot θ.

143. ## mechanic

3. Which of the following is a likely location for a pressurized oil leak to occur

144. ## astronomy/physic

If you’re trying to build a house north of an old pine forrest (∼50m tall trees). How far north must you be from the edge of the forrest in order to ensure that you see at least a bit of the Sun even during the winter solstice?

145. ## math

If x and y satisfy x^2+y^2=7, find the maximum value of x^2+2y^2+2x-4

146. ## physics

In the drawing, the weight of the block on the table is 428. N and that of the hanging block is 195. N. Ignore friction, the mass of the rope, and the mass of the pulley. Find the acceleration of the two block system in m/s2.

147. ## Math

Juan has DVDs 9/16 inches wide. How many DVDs wil fit on one shelf that's 1 3/4 wide

148. ## English

To what extent to schools need more structure and discipline? Any opinions??

149. ## SOC 320

The policy goals associated with U.S.environmental policy over the last thirty years have not included . Security efficienty the precautionary principle cost-effectiveness

150. ## English

1) Drawing is very interesting subject. - intransitive 2) amal is adorable to his father - in. tran 3) A fisherman is a harworking man. - intransitive 4) Muhammed is not strong as his brother. Intransitive 5) There are many roses in my aunt's garden -

asked by # niya #
151. ## Math

Keon has marbles, 10 red, 5 green and 8 blue. What part of the marbles is blue?

152. ## Calculus

Show that Rolle's Theorem applies to the given function for ht eg oven values of x: x=-1 and x=4 for f(x)=3x-x^2+2

153. ## math

how do you convert centimeter into meteres

154. ## Algebra

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 115 and a variance of 4. The material is considered defective if the breaking strength is less than 110.6 pounds. What is the probability that a single,

155. ## 7th grade math

Can you check these additional problems? 36. 10 - h >= 21 -h >= 21 - 10 -h >= 11 h >= -11 38.p + 8.5 > 1 p > 1 - 8.5 p > -7.5 40. 8-2(5-9g) = -128 8 - 10 + 18g = -128 -2 + 18g = -128 18g = -128 + 2 18g = -126 g = -126/18 g = -7 41. (3/5)k - 1/3 = -1 (3/5)k

156. ## gen chem

What mass of Fe3O4 would be needed to react with 1.38 x 103 mol H2? Fe3O4 + 4 H2 -> 3 Fe + 4 H2O

157. ## History-canoes

Does anyone know what the canoes used during the Lewis and Clark expedition were made out of? Was it birch bark?

what is ASCII text?

159. ## Chemistry

Why is it hard to use the periodic table to predict the oxidation #'s of the transition elements?

160. ## physics

I need some help with determining the equation for this problem. "The block of mass m is released from rest on the frictionless incline. After sliding a certain distance, it compresses a spring and comes to rest at a distance of y beneath its original

161. ## health

when keeping a food diary you should record

162. ## P.E. help

1. To help the enviornment I can A. Use disposable plates B. Donate old clothes of sporting equipment rather than throw them in the trash. C. Keep the car running while I wait for someone D. Let othes worry about pollution Is the answer B?

163. ## Science

Can someone actually help me with this...? Instead of telling me to use my books... (My school does NOT give us books.!) How is incomplete dominance different than dominance? Explain why incomplete dominance only occurs in this genotype?

164. ## Math

What are some situations in which estimation is useful in real life?

165. ## Business Math

What is the rate if the interest is \$1,200, the time is 3 years and the principle is \$5,000?

166. ## Math

36 / 2^5/8 + 7 * (3+11) = 107 Did I do this problem right?

167. ## Calculus

Show that Rolle's Theorem applies to the given function for the given values of x: x=-1 and x=4 for f(x)=3x-x^2+2.

168. ## astronomy

What is the semi-major axis of an object that is in 2:1 mean motion resonance with Earth

169. ## calc urgent

let P be the portion of the disk x^2 + y^2

170. ## chemistry

does an atom of an element have similar chemical properties with an ion of the same element?

171. ## Math

If sin=8/17, find cos.

172. ## algebra

find a quadratic equation with roots -1+4i and -1-4i can someone help explain the steps?

173. ## Science

I am having a very had time completing this question What and how does the cell membrane regulate? What three factors influence this process?

asked by Malachiae Tyler
174. ## sarah

is fate choice or chance? explain both sides