1. math

1. How many cubes are in the base of the model? (1 point) 3 4 7 2 2. How many cubes would be shown in the right view of the model? (1 point) 3 6 7 4 3. Which of the following is the top view for the model? (1 point) assessment question three answer a

2. Math

Adult tickets for the school play cost \$5 and student tickets cost \$3. Thirty more student tickets were sold than adult tickets. If \$1770 was collected, how many of each type of ticket was sold?

3. science

An airplane pilot sets a compass course due west and maintains an airspeed of 225km/h . After flying for a time of 0.520h , she finds herself over a town a distance 122km west and a distance 15km south of her starting point. Part A Find the magnitude of

4. chemistry

1) List a series of tests that would determine the order of activity (least active to most active) for Zn, Mn, and Ag. 2) What would be the reaction for the addition of excess OH- ions to Mg(NO3)2 and Cu(NO3)2? This is a complex ion forming reaction. Would

5. chemistry

A 25.0-mL sample of H2SO4 is neutralized with NaOH. What is the concentration of the H2SO4 if 35.0 mL of 0.150 M NaOH are required to completely neutralize the acid?

6. Chemistry

A weather balloon with a volume of 3.86934 L is released from Earth’s surface at sea level.What volume will the balloon occupy at an altitude of 20.0 km, where the air pressure is 10 kPa? Answer in units of L

7. Math

The student activities department of a community college plans to rent buses and vans for a spring-break trip. Each bus has 40 regular seats and 1 handicapped seat; each van has 8 regular seats and 3 handicapped seats. The rental cost is \$305 for each van

8. Geometry

A circle with a radius of 1/2 ft is dilated by a scale factor of 8. Which statements about the new circle are true? Check all that apply. A.The length of the new radius will be 4 feet. B.The length of the new radius will be 32 feet. C.The new circumference

9. Chemistry

What is the molarity of a 25.0% (v/v) aqueous isopropyl alcohol solution? the density of isopropyl alcohol ( C3H8O, molar mass 60.1g/mol) is 0.786g/ml

10. Precalculus

Find the sum of all possible values of the constant k such that the graph of the parametric equations x=2+4cos(s) and y=k-4sin(s) intersects the graph of the parametric equations x=1+cos(t) and y=-3+sin(t) at only one point.

11. Science

In an effort to reduce global warming, individuals and companies have been buying __________________ to fund restorative projects Can someone please help me I am thinking Carbon Filters but i think that might be wrong

12. calculus

Skeletal remains had lost 70% of the C-14 they originally contained. Determine the approximate age of the bones. (Assume the half life of carbon-14 is 5730 years. Round your answer to the nearest whole number.)

13. Chemistry

An atmospheric scientist interested in how NO is converted into NO2 in urban atmospheres carries out two experiments to measure the rate of this reaction. The data are tabulated below. A: [NO]0 = 9.63 × 10-3 M, [O2]0 = 4.1 × 10-4 M t(s)

14. poetry part 2

14. The theme of Sandburg's poem "Grass" is A. freedom. B. forgetfulness. C. peace. D. war. . I read the poem and put war since it was most logical but its not the right answer. i know its either B or C but im not sure and i need to get this right. Can

15. Geometry

A triangle is enlarged by a factor of 3. The perimeter of the new triangle is 36 feet. What could be the lengths of the sides of the original triangle? A. 3 feet, 4 feet, and 5 feet B. 1.5 feet, 1.25 foot, and 1.25 foot C. 2 feet, 0.5 feet, and 1.8 feet D.

i need help with this essay can someone help its for paralegal studies introduction to computers. Prepare and submit a proposal to Bill that gives your suggested solution to his business plan. Provide Bill with the details of what he needs to purchase in

17. Math

10. A coin is loaded so that the probability of heads is 0.55 and the probability of tails is 0.45, Suppose the coin is tossed twice and the results of tosses are independent. a.What is the probability of obtaining exactly two heads? b.What is the

18. Geometry

A trapezoid has a perimeter of 14 feet. What will the perimeter be if each side length is increased by a factor 7? A. 21 feet B. 98 feet C. 196 feet D. 686 feet This one is def B correct?

19. physics

two points of charge values Q and q are placed of x and x/2 respectively from third charge of value 4q, all charges being in the same straight line. calculate the magnitude and nature of charge Q such that the net force experienced by the charge q is zero?

20. math

Determine the number of solutions for the following system of equations 2x+5y=7 10y=-4x+14 1)Exactly one solution 2)No solutions 3)infinite solutions 4)Exactly 2 solutions I solved the equations and got y=7-2X/5 y=-4X+14/10 and I said infinite solutions.

21. Physics

A projectile is fired such that its horizontal range is equal to 2.5 times its maximum height. Find the angle the projectile was fired at

22. chemistry

Sodium thiosulfate, Na2S2O3, is used as a fixer in photographic film developing. The amount of Na2S2O3 in a solution can be determined by a titration with iodine, I2, according to the equation: 2Na2S2O3(aq) + I2(aq) --> Na2S4O6 +2NaI(aq). Calculate the

23. Trig

given that sinx=3/4 and cosy=-5/13 and both x and y are in quadrant II, find the exact value of cos(x-y)

24. Chemistry

describe how you would prepare 500.0 ml of 0.400M NaCl solution, starting from solid NaCl

25. Science

which property of nutrients shows that they are a type of matter? A. Nutrients are colorful B.Nutrients can do work C. Nutrients contain energy D. Nutrients have mass

26. Physics

An astronaut on the planet Vimrom IV finds that she can jump a maximum horizontal distance of 12.00 m if her initial speed is 4.90 m/s. What is the acceleration due to gravity on this planet? In the previous problem, what is the maximum height about the

27. Geometry

The circumference of a circle changes from 20 to 4 after a dilation. What was the scale factor of the dilation? A. 1/25 B. 1/5 C. 5 D. 25

28. programming

Write a program which allows user to enter 10 student names and scores for Java programming 1 and Java programming 2. Allow user to choose which course they want to enter the record for. Use the loop to ask input from user. The program should store data

29. Math

2)Banquet Seating A banquet hall offers two types of tables for rent: 6-person rectangular tables at a cost of \$26 each and 10-person round tables at a cost of \$51 each. Kathleen would like to rent the hall for a wedding banquet and needs tables for 250

30. math

the sides of a triangle are xcm,x+3cm and 10cm.if x is a whole number of cm,find the lowest value of x

31. Biology

1. A heterotroph A. Is an autotroph B. eats other organisms C. Is a primary consumer D. A and c Is it d? 2. A scavenger A. Is an autotroph B. eats decomposing matter C. Kills animals D. All of the above Is it d?

32. Algebra

A 5x7 photo us enlarged so that it's new dimensions are 10x14. How does the area of the enlarged photo compare to the area original photo?

33. education

prepare and submit a proposal to bill that gives your suggested solution to his business plan. provide bill with the details of what he needs to purchase in order to have what he needs to conduct his business using today's technology, make sure you include

34. Geometry

A rectangle has an area of 6 square meters. What will be the area of the rectangle if each side length is increased by a factor 5? A. 11 square meters B. 30 square meters C. 125 square meters D. 150 square meters I think the answer is B

35. Science

A gas has a volume of V1 = 550 mL. If the temperature is held constant, what volume would the gas occupy if P2 = 22 P1? Answer in units of mL

36. Math

2. If mangle sign1=37°, what is mangle sign4? 53° 43° 37° 27° If mangle sign1 = 55°, what is mangle sign5? 55° 40° 35° 25°

37. English

I m doing an analysis question on a poem called Question by May Swenson. The question says: Describe the prosody of the poem and comment on the effect of the initial substitutions of the meter. I do not even know where to start with this question, if you

38. Physics

A pendulum bob with a mass of 0.4 kg is released from a position in which the bob is 20 cm above the low point in its swing. What’s the speed of the bob as it passes through the low point in its swing?

39. Calculus Help

Let P(t) be the percentage of Americans under the age of 18 at time t. The table gives values of this function in census years from 1950 to 2000. (I didn't put the table here because it will not display well so the table has basically t as time from 1950

40. physics Sound

The 2nd harmonic of a string of length 60 cm and linear mass density 1.1 g/m has the same frequency as the 5th resonance mode of a closed pipe of length 0.8 m. Find the tension in the string.

41. Math

The 3rd term of a geometric series is 18 , and the 5the term is 162 .Determine the sum of the of the first 7 terms ,where r < 0

42. College Chemistry - Science

At room temperature (25°C), 45 mL of a 0.002 M acid solution reacts with 30 mL of a NaOH (aq) solution (pH = 11.95), determine (through calculations) whether the acid is phosphoric acid (H3PO4), acetic acid (CH3COOH), or carbonic acid (H2CO3).

43. physics

A copper calorimeter of mass 150g was half filled with water of mass 300g and temperature 0^C. 5g of ice at 0^C was added to the content, later some steam was passed into the mixture and the temperature rose by 20^C. Calculate the quantity of steam added.

Do my answers to these questions make sense? These questions regard the poem "Jabberwocky." 1. One critic said that "Jabberwocky," despite its odd language, tells a story like many legends of knights and dragons. Do you agree? Why or why not? A: I agree

45. College Chemistry - Science

In an acid-base experiment at 25.0°C, a sodium hydroxide solution was standardized against KHP. The average value for the concentration of the sodium hydroxide solution was calculated to be 0.0125 M. This solution was used to titrate the phosphoric acid

46. MATH

Kevin has 9 stamps that have the image of a boat on them. If this is the 30% of the total collection of stamps Kevin has, how many stamps does he have?

47. Pre-Calc

Eliminate the parameter x = t^2 - 1 and y = t^2 + t

48. Geometry

Which reason justifies that BD = BC + CD? a. Addition property b. Symmetric Property c. Segment Addition Postulate d. Ruler Postulate I't thinking its Addition Property but then again I'm probably completely wrong...

49. Physics

An explosion breaks an object into two pieces, one of which has 2 times the mass of the other. If 22500 J were released in the explosion, of which 21% is heat, how much kinetic energy did each piece acquire?

50. Physics

A sky-diver steps out from a helicopter and falls 5s before reaching her terminal velocity of 50 mi/h. Her acceleration just before reaching terminal velocity is what?

51. Physics

a horizontal force of magnitude 20.0 N is applied to a 3.05 kg book as the book slides a distance d = 0.87 m up a frictionless ramp at angle θ = 30°. The book begins with zero kinetic energy. What is its speed at the end of the displacement?

52. Precalculus

Let G be the graph of the parametric equations x=cos(4t)and y=sin(6t). What is the length of the smallest interval I such that the graph of these equations for all t in I produces the entire graph G?

53. Physics

Two objects with masses represented by m1 and m2 are moving such that their combined total momentum has a magnitude of 16.3 kg · m/s and points in a direction 71.5° above the positive x-axis. Object m1 is moving in the x direction with a speed of v1 =

54. AMERICAN HISTORY

IN WHICH OF THE FOLLOWING COLONIAL WARS DID THE AMERICAN COLONIST CAPTURE THE FORT AT LOUISBOURG AND BEGIN TO CRAVED DOMINATION OVER THE ENTIRE WESTERN REGION THAT INCLUDES THE OHIO VALLEY A.QUEEN ANNES WAR B.KINGS GEORGES WAR C.KING WILLIAMS WAR D.WAR OF

55. Accounting

Jane has a \$35,000 bank loan that she wishes to pay off in five equal annual payments with 12% interest. If the first payment is due one year from today, what will be the amount of the annual payment necessary

56. Physics

A cannon ball is fired from ground level with a speed of 86.0 m/s at an angle of 32 deg. above the horizontal. A 8.5 m tall wall is located 265 m away from the cannon. By how much does the cannon ball clear the wall? In the previous problem, what is the

Which one of the following words or phrases may be a clue that a sentence is inferring cause and effect? A. On the other hand B. Instead of C. Before D. Consequently

58. Chemistry

Divers know that the pressure exerted by the water increases about 100 kPa with every 10.2 m of depth. This means that at 10.2 m below the surface, the pressure is 201 kPa; at 20.4 m below the surface, the pressure is 301 kPa; and so forth. If the volume

59. Chemistry

1.If the atmosphere can support a column of mercury 762 mm high at sea level, what height of water could be supported? The density of water is approximately 114 that of mercury.Answer in units of mm 2.If the atmosphere can support a column of mercury 762

60. Algebra

Arrange the terms of the polynomial in ascending powers of b. 25db^5-7dm+3b^10-6db^6 My answer is: Am I correct? 25b^5d-7dm+3b^10-6b^6d=3b^10-6b^6d+25b^5d-7dm

61. Dividing decimals

How do you solve 49.05 divided by 2.5. Need to see step by step process.

62. chemistry

Predict the prdeucts of the following acid/base and precipitation reactions and balance the equations. Remeber to indicate (s), (l) or (aq Q1. HCI(aq) + Mg(OH)2(aq)----> Q2. Pb(NO3)2(aq)+ Na2S (aq)---> Q3. write the ionic equation for question 2.

The 2nd harmonic of a string of length 60 cm and linear mass density 1.1 g/m has the same frequency as the 5th resonance mode of a closed pipe of length 0.8 m. Find the tension in the string.

64. Biology

What are secondary consumers considered as? Are the carnivore, omnivore, herbivore. Hint: there are two answers

65. Algebra

Mary has a total of \$5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was \$331. Write and solve a system of equations to find out how much she has invested in both accounts.

How would each of the following affect the Cr(VI) concentration determined in this experiment? Justify the answers with an explanation. In the experiment, absorption spectroscopy was used to obtain the concentration of Cr(VI) ions. 1) A student adds more

67. science

A man stands on the roof of a building of height 15.8m and throws a rock with a velocity of magnitude 25.2m/s at an angle of 32.7∘ above the horizontal. You can ignore air resistance. Part A Calculate the maximum height above the roof reached by the

68. Chem

What is the product for the reaction of Ni(s) + 2Na^+(aq)? I don't think this is possible no?

69. Math

A family wants to travel at least 420 miles in 8 hours of driving. What must be their average rate of speed? What would be the inequality formula?

70. Math precalculus

Write an equation for the hyperbola with center(0,-5); asymptotes y=+_ (19 square root6x)-5 , conjugate axis length of 12 units (+ or -square root of 19 times x divided by 6 )-5

71. Precalculus

A lattice point is a point with integer coordinates. How many lattice points (x,y) with -100 less than or equal to x less than or equal to 100 and -100 less than or equal to y less than or equal to 100 are on the graph of the parametric equations x=30-40

72. Physics

To save fuel, some truck drivers try to maintain a constant speed when possible. A truck traveling at 110.0 km/hr approaches a car stopped at the red light. When the truck is 211.7 meters from the car the light turns green and the car immediately begins to

73. College Cultural Geography

Can someone explain what this paragraph is talking about? I do not understand it. "But Western universalism, again, has two faces: it also promotes the principles of liberty and equality throughout the world. It is not possible to proclaim global human

74. Physics

A stunt motorcyclist is attempting to jump over a river of width 60m using a ramp which is inclined at 30 degrees to the horizontal. Assume the height of the ramp is small enough to be ignored in the calculations. a) What is the minimum speed the stunt

75. Social Studies

Example of ACROSTIC POEM ON THE EXPLOER Vasco Nunez de Balboa using on his last name Balboa.

76. math

how many time I can arranged the word MAHABHARAT thatB and T never come togather .first four place MATH not come.

77. Math

In each of the following, relationships among marked angles are given below the figure. Find the measures of the marked angles. DOC = 3/4m( COB = BOA = COB = m( COA = BOA =

78. MATH

A financial consultant wishes to invest up to a total of \$33,000 in two types of securities, one that yields 8% per year and another that yields 6% per year. Furthermore, she believes that the amount invested in the first security should be at most

79. science

A copper calorimeter of mass 150g, was half filled with water of mass 300g and temperature 0 degrees celcius. 5g of ice at 0 degrees celcius was added to the content, later some quanity of steam was passed into the mixture and the temperature rose by 20

80. Algebra

Two apples and three pears cost \$3.45. Three apples and five pears cost \$5.55. Find the cost of each type of fruit.

81. Geometry

A rectangular prism has a base that is 5 cm by 7 cm and a height of 12 cm. If all dimensions are doubled, what happens to the volume? A. When the dimensions are doubled, the volume is twice the original volume. B. When the dimensions are doubled, the

82. history

The term Bourbon A.celebrated the French origin of many of the New South leaders B.derived from the French Bourbons who, according to Napoleon, forgot nothing and learned nothing through the ordeal of the French Revolution C.reflected the fact that some

83. Math

A financial consultant wishes to invest up to a total of \$33,000 in two types of securities, one that yields 8% per year and another that yields 6% per year. Furthermore, she believes that the amount invested in the first security should be at most

84. geometric progresions

The ratio of the sum of the first 8 terms of a G.P. to the sum of the first 4 terms of the same G.P. is 97:81, where the common ratio of the G.P. is a real number. What is the common ratio?

85. Math, precalculus

Write an equation for the hyperbola with vertices (7,5),(-5,5); foci (11,5),(-9,5)

86. cHEMISTRY

i don't know how to write chemical formulas is it like nomenclature because i need to balance equations (which i know how if the equation is given to me the symbols type but not in words), i need to write skeletal equations but i don't know if they are

87. Physics

You are at standing at a window in the University tower that is 42.0 meter above the ground. Your physics professor (who is 2.12 m tall) is walking on the ground below, approaching to tower at a speed of 1.12 m/s. You are holding an egg, which you would

88. English

I am writing about an argument advertising essay and right now I am writing about the the NERF Fire-strike blaster. In the commercial it uses a fast, upbeat music but how do I relate it to "fire" (how is fire similar to upbeat and fast"?

89. physics

The spring constant of the spring in the ﬁgure is 25 N/m, and the mass of the object is 4 kg. The spring is unstretched and the surface is frictionless. A constant 18 N force is applied horizontally to the object (stretching the spring). v0 = 0 Find the

90. Physics

A baseball with a mass of 150 g is thrown horizontally with a speed of 39.5 m/s (88 mi/h) at a bat. The ball is in contact with the bat for 1.15 ms and then travels straight back at a speed of 45.0 m/s (101 mi/h). Determine the average force exerted on the

91. pre algebre

nee help adding/subtracting fractions, x represents a number, solve by writing answer as integer or simple fraction.

92. Social Studies

1. Why was Lewis and Clark sent out to discover land? 2. Why was Vasco da Gama sent out to discover land?

93. ela

in the poem lineage what does they mean

94. Chemistry

Determine the sulfate ion concentration in a solution prepared by diluting 15.00mL of a 0.200M aluminum sulfate solution with 35.00mL of water. Assume the volumes are additive.

95. LA --- 1 question pls help!!!

hi, one question based on the short story called, "Cyber Chitchat" this one confuses me, pls help if u know the book! 8. The tone of "Cyber Chitchat" is (1 point) serious. humorous. depressing. angry. i think its humorous but im not so sure..... pls help

96. arithmetic

The ratio of the sum of the first 8 terms of a G.P. to the sum of the first 4 terms of the same G.P. is 97:81, where the common ratio of the G.P. is a real number. What is the common ratio?

97. Chemistry - Science

In an acid-base experiment at 25.0°C, a sodium hydroxide solution was standardized against KHP. The average value for the concentration of the sodium hydroxide solution was calculated to be 0.0125 M. This solution was used to titrate the phosphoric acid

98. Physics

A driver in a car traveling at a speed of 72 km/h sees a cat 107 m away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 104 m?

99. Algebra

Solve the following systems of equations using the addition (elimination) method. What type of system is it? Name the solution if there is one. 13. x+y=6 x-y=4

100. Chemistry

A solution is prepared by placing 27.8 g of KCl in a 0.700 L volumetric flask and adding water to dissolve the solid, then filling the flask to the mark. What is the molarity of an AgNO3 solution if 22.1 mL of the KCl solution react exactly with 43.0 mL of

101. Math

I have two math problems I need help with- Percent proportions 1. 62% of 146 is what number? 2. 18.4% of 880 is what number?

if m

103. math

Prove that the real numbers with the operation of addition is a group but that the real numbers with the operation multiplication is not a group

104. Geometry

Solve for x: 3x + 20 and 2x + 24

105. trigonomentry

Ada travels from A on a bearing of 60˚ to station B on a distance of 15km.she then leaves to station C 10km away from B due east of station

106. U.S. History

by the 1890s how did cubans view spanish rule

107. english

what does they mean in the poem lineage

a) Addition of Na2S2O3 to I2+I-->I3 in an aqueous layer will turn the solution clear and colourless. Write an equation explaining this observed colour. b) Addition of Na2S2O3 to I2+I-->I3 in an varsol layer will turn the solution pink. Write and equation

109. Science urgent

1. Explain why the melting points of ionic compounds and molecular compounds differ? 2. A.) What laboratory procedure allows you to test a compound is ionic or molecular? b.) what results would you expect? 3. A.) What do we call the smallest particle of an

110. Math

In a right triangle, the measure of the legs are 20 and 3x, and the measure of the hypotenuse is 4x+1. Find the value of x.

111. Physical Science

An ultrasonic wave in water is a compression wave that travels at 1,400 m/s A) An ultrasonic wave from a ship travels to the bottom of a lake and back in 0.16s. How deep is it at this point? B) If an ultrasonic wave is emitted in the ocean where the

112. Science to: DrBob222

1. Explain why the melting points of ionic compounds and molecular compounds differ? 2. A.) What laboratory procedure allows you to test a compound is ionic or molecular? b.) what results would you expect? 3. A.) What do we call the smallest particle of an

113. math

a telephone pole is 64 feet long and 5/16 of the pole must be underground a) what fraction of the pole is above ground

114. world issues

A woman goes out running. She first travels 5.2km north. She then turns and travels 3.6km west. Finally, she turns If a bird were to start out from the origin (where the woman starts) and fly directly (in a straight line) to her final location, what

115. Math

Given cot u=2/5 and cos v=-3/5 find tan(u+v) assume 0

116. Chemistry

How would each of the following affect the Cr(VI) concentration determined in this experiment? Justify the answers with an explanation. In the experiment, absorption spectroscopy was used to obtain the concentration of Cr(VI) ions. 1) A student adds more

117. PLS HELP NUTRITION

IRON DEFICIENCY ANEMIA PLEASE GIVE ME SOME IDEAS:) I HAVE MANY LINKS ALREADY Identify a government policy or health information that would have resulted from research of this condition or been developed to prevent this condition. How effective are the

118. Chemistry

How would one be able to identify the lambda max of Cr(III) at a concentration less than 70ppm from a graph? I couldn't post the graph, but I don't understand how one would be able to do this? The graph had the Chromium Absorbance Spectra of 70ppm for

119. Chemistry

How would one be able to identify the lambda max of Cr(III) at a concentration less than 70ppm from a graph? I couldn't post the graph, but I don't understand how one would be able to do this? The graph had the Chromium Absorbance Spectra of 70ppm for

120. Chem

How would one be able to identify the lambda max of Cr(III) at a concentration less than 70ppm from a graph? I couldn't post the graph, but I don't understand how one would be able to do this? Can you please justify the answer with an explanation? I would

121. Algebra

Arrange the terms of the polynomial in ascending powers of b. 25db^5-7dm+3b^10-6db^6 Please tell me if I am correct on my answer? I got: 25b

122. math

Andrew wants supplement his pension with investment interest if he invests 28,000 at 6% interest how much would he have to invest a t 7% to achieve the goal of 3,000 per year in supplemental income.

123. Algebra

Sorry I submitted before finishing my input. Arrange the terms of the polynomial in ascending powers of b. 25db^5-7dm+3b^10-6db^6 Am I correct? Please help? My answer is: 25b^5d-7dm+3b^10-6b^6d=3b^10-6b^6d+25b^5d-7dm

124. Maths Literacy,Life Sciences,History,Geography

Would i be a teacher with these subjects

125. english

Twice as long. Or. Two times longer

126. Math question

I am a two digit number I have a 6 in the tens place I am even I have a 1 in me What am I?

127. Science

The slevator starts at 1st floor and accelerated 1m/s^2 for 6 seconds and continues at a constant velocity for 12 seconds more and is then stopped in 4 seconds with constant deceleration. If the floors are 3 meters apart at what floor does the elevator

128. chemistry

calculate the number of molecules found in 4.50 g of water

129. C++

A c++ program which convert from decimal, octal & hexadecimal to binary equivalent with array concept.

130. Pre-Calc

Eliminate the parameter x = abs(t-3) and y = t + 3...how do you undo the absolute value in order to get y=?

131. mat116

consider the following system of equations y=3x-7 andy-3x=5 what can you conclude about the system of equations

132. mat 116

two large storage tanks, T and W contain water. T starts losing at the same time additional water starts flowing into W. The graph below shows the amount of water in each tank over a period of hours. Assume the rates of water loss ad water gain continues

133. chem

A student determines the composition of a copper chloride compound. Tell whether each of the situations described below would cause the student’s experimental value for the percent of copper in the compound to be greater than less than, or unchanged from

134. chemistry

What is the product for Ni(s) + 2Na^+? I don't think this is possible. Am I wrong?

1. You can often tell the part of speech of a word even if you do not understand it. Identify the part of speech of three of the made-up words in this poem. Explain how you arrived at each answer. (Three made-up words are wade, gimble, gyre). 2. How can a

136. Chemistry

How would applying an external pressure on the following equilibrium affects the distribution of iodide between the polar (aqueous) and non polar (varsol)

137. Polynomial

Arrange the terms of the polynomial in descending powers of p. 13rp-4r^4p^4-4r^2p^3 Is my answer correct? -4r^4p^4-4r^2p^3-13rp

138. Algebra

Arrange the terms of the polynomial in descending powers of p. 13rp-4r^4p^4-4r^2p^3

139. mat 116

Y=2x-20. Substitute the known value of x into y=-2x-20. Then solve for y.

140. Algebra

The length of a pool is 3 feet more than twice its width. If the perimeter of the pool is 72 feet, find the dimensions of the pool by writing and solving a system of equations.

141. english

i need help writing an essay on lord of the rings

142. Mata

Te slope of the roof is 2/3. If the width of the house is 78 feet,what is the height of the roof, in feet? Assume the roof creates an isósceles triangle

143. Food and Nutrition

IRON DEFICIENCy ANEMIA: a)Identify factors that have contributed to the condition (social; geography; etc.) b) Describe factors (including diet and nutritional needs) that aid in the prevention and/or treatment/management of the health condition and

144. Physical Science

The air temperature on a certain day is 86 degrees F A)Convert to Celsius? B) Calculate the sound of speed in air? C)When a 653Hz tornado siren is turned on, the sound takes 2.3s to reach an observer. How far is the observer from the main siren, and what

145. French

How do you say senior center in French?

How should I revise my answer? These questions regard the poem "Jabberwocky." 1. One critic said that "Jabberwocky," despite its odd language, tells a story like many legends of knights and dragons. Do you agree? Why or why not? A: I agree with this

147. Algebra

If 3 is subtracted from the numerator of a fraction, the value of the fraction is 1/2. If 6 is added to the denominator of the ORIGINAL fraction, the value of the fraction is 1/2. What is the original fraction?

148. Food and Nutrition

IRON DEFICIENCY ANEMIA PLEASE GIVE ME SOME IDEAS:) I HAVE MANY LINKS ALREADY Identify a government policy or health information that would have resulted from research of this condition or been developed to prevent this condition. How effective are the

149. history

Progressives concerned with social justice called for (circle three) A. an end to slavery B. regulation of work hours for women C. prohibition D. equal pay for equal work (for women) E. supralapsarianism F. stricter building codes and factory inspections I

150. math

The Mills Lunch Shop prepares fresh take-out entrees each day. On Tuesday, 40 baked chicken dinners were prepared at a cost of \$3.20 each. A 20% spoilage rate is anticipated. Mills Lunch Shop sells the dinners at an 80% markup based on cost. They decided

151. Intermediate Algebra

Given f(x)=5+6x-x^2 find and simplify. A)f(t-2)=____? B)f(z+h)-f(z)=____? C)f(b)+3=_____?

152. Algebra

Given f(x)=5+6x-x^2 find and simplify. A)f(t-2)=____? B)f(z+h)-f(z)=____? C)f(b)+3=_____?

153. retired disabled vet

Please help. To build a straight tapered fishing rod and I start at the butt or big end, the measurment is 400 thousands. if rod tip is 75 thousands. if i stsrt at butt end what will the meaqsurments be at 5" intervals. ie butt,5" 10" 15" ect. rod will be

154. MATH

can somone help! 7ã2*3ã9

155. Chemistry

3) A student mistakenly uses the cuvette containing the most dilute standard solution, rather than the cuvette containing deionized water, as the blank solution. I don't understand why there would be lower concentration of Cr(VI) ion...

156. MATH

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157. maths

now there is a pool, the height of the pool is 48cm and the width is 2m, now 3 quarters are full, what will be the final answer in litres?

158. Math

One side of a triangular banner is 1 ½ times longer than the second side and 2 cm shorter than the third side. The perimeter of the triangle is 98 cm. How long is the shortest side?

159. Math

A shipe leaves NY for San Fransisco on the first of every month at noon. At the same time, a ship leaves San Fransisco for NY. Each ship arrives exactly 6 months after it leaves. If you were on a ship from NY, how many ships from San Fransisco would you

160. Pre-Calculus

Find N if log base 6 (6^7.8)=N

161. math

rules find 1/4 of the input find 1/8 of the input input output 16 ___ 20 ____ 80 ____ 32 ____ 40 ____ 18 ____

162. Algebra

A ship leaves NY for San Fransisco on the first of every month at noon. At the same time, a ship leaves San Fransisco for NY. Each ship arrives exactly 6 months after it leaves. If you were on a ship from NY, how many ships from San Fransisco would you

163. Math

Simplify: cos(pi/2+x)sin(-x)

164. interpersonal communication

According to researchers, which of the following is NOT a condition of forming a friendship

165. Pre-Calc

Solve for x: log base27 (2x-1) = 4/3

166. Math

Prove: [(tan^2theta+1)(cos^2theta-1)]=1-sec^2theta

167. mat 116

identify the solution(s)of the system of equations, if any -2x-4y=1 and 12y=-6x-3

168. math

6,12,6,8,10,12,8,14,16 find mean medion mode and standerd deviation

169. mathematics

solve for x (x+2)^2=16

170. English

How do changes in schools because of Title IX have an effect on the workplace

171. psychology

which of the following is not a motive for pro social behavior? egoism, collectivism, idealism, Principlism

172. Chem

What will the products be for Ni(s) + 2Na^+(aq)? I don't think this is even possible, so will this reaction even be possible?

173. Art and Creative Development

Manipulating and transforming ideas and materials indicates

174. Math

A marble is 12mm in diameter what is the smallest height of a box that is 96mm square that can hold 200 marbles and still have the lid fit on without interference?

175. A & P

Infant bones are very soft and pliable because of A. cartilage formation throughout the body. B. fluid accumulation between collagenous fibers. C. mineral deposition in select areas of the body. D. incomplete ossification at birth. Can anyone tell me the

176. Geometry

how do I set up this problem a man standing on the deck of a ship with his eyes 25 feet above sea level notes that the angle of elevation to the top of a 25 foot lighthouse is 3 degrees 27 minutes. how far is the boat from the lighthouse

If I got a 92 on my mid term then got a 50 on a worksheet the following day then what would be my average

178. statistics

the average score on the statistics quiz was a 70, and there was a standard deviation of 10 points. If the z-socre was -1.0 what is the percentile rank?

179. Language Arts

In the sentence: You can wallpaper the room yourself. Would this sentence have 2 verbs -- can, wallpaper? Thanks...

180. Algebra

A party planner can spend a maximum of \$5000 on food. If the chicken dinner (x) costs \$20 and the steak dinner (y) costs \$25, make a graph of the region that shows the possibilities for the number of chicken and steak dinners that can be purchased while

181. Algebra

Solve the following systems of equations using the addition (elimination) method. -2x+3y=5 2x-y=1

182. Algebra

Solve the following systems of equations using the addition (elimination) method. 5x+y=2 3x+y=1

183. Science help

For each of the following what type of smallest particle would exist? explain your reasoning? a.) strontium B.) CaCl2 C.) CCl4 D.) SO2 E.) helium F.) bromine G.) MgO Thanks :):):):)

184. Algebra

Solve the following systems of equations using the addition (elimination) method. 5x=20+y 16=3y+4x

185. chem

Please calculate the energy involved in the following chemical reaction, given the values below: 2Ag + H2S --> Ag2S + H2 -24 -33

1. what is 67 K equivalent to in Celsius? answer: -206.15 C 2. what is 458.9 Celsius in K? answer: 732.05 3. heat is closely related to: a)temperature b)thermal energy c)force d)convection currents answer: b 4. What does a low efficiency score reveal about

187. chem

Please calculate the energy involved in the following chemical reaction, given the values below: 2Ag + H2S --> Ag2S + H2 -24 -33

188. chemistry

How many molecules are in 0.400 moles of N2 O5?

189. Calculas

The slope of the tangent line to the graph of a function, h(t) is 7/2t The function passes through the point (5,3) Find h(4)

190. physics

A 2.7-kg block is moving to the right at 1.0 m/s just before it strikes and sticks to a 2.2-kg block initially at rest. What is the total momentum of the two blocks after the collision?

191. English

For vocabulary workshop, Unit 11 # 19. Her ability to _______ the words and gestures of prominent Americans makes her an excellent comic impressionist. Is the answer: parody ???

192. A Peculiar Question

How brief should a 3-paragraph summary be?

193. mat 116

What is the coefficients of y=-2x-4 y=-2x+1

194. Intermediate Algebra

Given f(x)=5+6x-x^2 find and simplify. A)f(t-2)=____? B)f(z+h)-f(z)=____? C)f(b)+3=_____?

195. Language Arts

Is the sentence below compound or compound complex? (I wasn't sure if "than I do" is a subordinate clause) Tanya drives better than I do, but I can swim faster? Thanks...

196. Math

The area of a rectangle is 32 in.² the length is twice the width. what is the perimeter of the rectangle?