# Questions Asked onApril 1, 2015

1. ## Chemistry

The chemical equation for ionic reaction between Na2S and AgNO3??

2. ## Geometry

A telephone pole is supported by a steel cable which extends from the top of the pole to a point on the ground 3 meters from its base. When Leah walks 2.5 meters from the base of the pole toward the point where the cable is attached to the ground, her head

3. ## physics

A hydraulic cylinder has to overcome a force of 12,600 pounds on the extend stroke and 9,375 pounds on the return stroke. The maximum system pressure available is 2200 PSIG. What is the smallest diameter cylinder required to overcome the load and what is

4. ## algebra

A ball is thrown vertically upward with an initial velocity of 128 feet per second, the ball’s height after t second is s(t) = 128t – 16t². a. Find the average velocity from 2 to 4 seconds.

5. ## Science

1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing? Frequency and wavelength Wavelength and wave speed***** Amplitude and wavelength Amplitude and frequency 2.

6. ## History

African Americans in the North greeted the Emancipation Proclamation A.regretfullb B.joyful C.angrily D.sad A? 2. On Jan 1 1863 President Abe Lincoln signed the A.Free slave Bill B.14th Amendment C.Emancipation Proclamation D.13th Amendment C? 3.Which

7. ## Art

Which statement best describes how a seventeenth century european portrait (such as the mona lisa) differs from an ancient mexican portail (such as ballgame (?) performer ? a.Ancient Mexican portraits were usually oil paintings, while Europeans created

8. ## Geometry

Two triangles are similar. The ratio of their areas is 1:4. If the height of the smaller triangle is 3 cm, how long is the corresponding height of the larger triangle, in centimeters? does this mean that i just multiply the numbers of the sides by four?

9. ## ela help me on this please damon,reed,writeacher

• What differences became matters of life and death during the Holocaust? • Do differences between people necessarily lead to conflict? • How can the Holocaust help us find similarities that go beyond race, culture, nationality, and so on? • Why is

10. ## calculus

1 pt) Coroners estimate time of death using the rule of thumb that a body cools about 2 degrees F during the first hour after death and about 1 degree F for each additional hour. Assuming an air temperature of 68 degrees F and a living body temperature of

11. ## English

Which of these words has the same denotative meaning a, but a different connotative meaning than, the word COPIOUS. A. meager B. abundant C. lavish ******* D. sparse An award is given every year to the student ______ has the highest grade-point average.

12. ## physics

Two charges q 1 = −3.20 nC and q2 = +8.96 nC are at a distance of 1.94 µm from each other. q 1 is fixed at its location while q 2 is released from rest. (a) What is the kinetic energy of the charge q 2 when it is 0.340 µm from q 1? J (b) The charge q 2

13. ## science

graduated cylinders are not as precisely calibrated as are burets or volumetric pipets. briefly explain why it is acceptable to measure KI and HCl solutions in the titration with graduated cylinders rather than with pipets or burets.

14. ## English

Posted by rfvv on Wednesday, April 1, 2015 at 4:10pm. 1. What a messy room! Can you give me a hand cleaning it, Matt? 2. What a messy room! Can you give me a hand which will clean it, Matt? ======================= Does #1 mean #2? •English - Writeacher,

15. ## Algebra

A golden rectangle has sides of length 1 and x. When a square with side length 1 is removed from the golden rectangle, the remaining rectangle has the same proportions as the original. Solve for x.

16. ## Chemistry

A student generated oxygen gas by decomposing hydrogen peroxide (H2O2) according to the following equation: 2H2O2(aq) -> 2H2O(l) + O2(g) If the student started with 1.75 moles of hydrogen peroxide, how many moles of oxygen gas would be produced? Show your

17. ## chemistry

A 1.0 x 10-2 M solution of a weak acid is found to be 3.7% dissociated. Calculate Ka of this acid. I found the amount dissociated by (amount dissociated/initial conc)*100=3.7 Where do I go from here?

18. ## Chemistry

How many moles of HNO3 are present if 0.116mol of Ba(OH)2 was needed to neutralize the acid solution?

19. ## calculus

Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 7.5 mi2/hr. How rapidly is radius of the spill increasing when the area is 10 mi^2?

20. ## SCHOOL

SHOOL IS NOT FUN!!!!!! ..... Jk.... April Fools!!!! Have a good day everyone and please don't use jiskha to cheat. Just use it to check your answers! :)

21. ## Calculus

If two resistors with resistances R1 and R2 are connected in parallel, as in the figure, then the total resistance R, measured in Ohms (Ω), is given by: 1/R=1/R1+1/R2 If R1 and R2 are increasing at rates of .3Ω/s and .2Ω/s, respectively, how fast is R

22. ## chemistry

At a certain elevation, the boiling point of water is 98.5°C. How much energy is needed to heat 35.0 mL of water to the boiling point at this elevation if the water initially was at 23.4°C? (Cp=75.38J/(mol*C), d= 1.00g/mL)

23. ## geography

Can someone explain what this means? The key policy problem regarding water for this purpose is the need to allocate water supplies in a way that properly balances oil sands production needs with ecosystem and human needs in the region. While the amount of

Paddy and Clare are writing effective conclusions. Paddy's conclusion will summarize his main point and reaffirm his theses statement. Clare's conclusion will take the readers beyond the scope of her essay. Who is writing an effective conclusion? A. Both

25. ## geometry

Three basketball teams measured the height of each player on their team. The table shows the mean and the mean absolute deviation of the heights for each team. Which statements are correct? Choose exactly two answers that are correct. Team Mean height (cm)

26. ## chemistry help

a 3.54 grams solid sample of an unknown monoprotic acid was dissolved in distilled water to produce a 47.0 mL solution at 25 degrees. This solution was then titrated with 0.2 M NaOH. The equivalence point was reached when 35.72 mL of 0.2 M NaOH was

27. ## Geometry

In triangle PQR, we have

28. ## math help

Given DC = 7, CB = 8, AB = 1/4 AD, and ED = 4/5 AD, find FC. Express your answer as a decimal. not sure how to tackle this one

29. ## prob. & stat

A traveler has 7 pieces of luggage. How many ways can he select 3 pieces of luggage for a trip? a. 5040 b. 210 c. 35 d. 28

Dennis will roll two number cubes once. Each cube is labeled 1 to 6. What is the probability that the sum of the cubes will be an odd number?

31. ## calc

Gravel is being dumped from a conveyor belt at a rate of 30 ft3/min. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 21 ft high?

32. ## algebra

A ball is thrown vertically upward with an initial velocity of 128 feet per second, the ball’s height after t second is s(t) = 128t – 16t².Find the average velocity from 2 to 4 seconds.

33. ## chemistry

calculate delta G at 298 K when 5.0 atm H2 and 3.0 atm of CO2 are converted to methanol.

Find the area of triangle ABC if AB = BC = 12 and

35. ## MATH

If the total surface area of a sphere is 5544 cm 2, find the diameter of the sphere.

36. ## chem

If one pound (454g) of hexane combusts with 185 grams of oxygen which reactant is the limiting reactant and how many grams of carbon dioxide are produced? My work: 454 g C6H14 * 1 mol C6H14/86.18 g C6H14 * 6 mol CO2/ 1 mol C6H14 * 44 g C02/ 1 mol CO2=

37. ## Math / Algebra 2

Use trigonometric identities to solve each equation for the given domain. sin 2θ = -cos θ for 0 ≤ θ < 2π *Anyone who has any idea which identity to use is welcome to help.

38. ## biology

I have to write an essay on about why organ donation should be mandatory in Canada. I need help thinking of arguments. Some that I have thought of are: 1. there is a shortage of organs for transplants 2. it improves the life of the recipient 3. After death

39. ## 7TH MATH HELP

3. What is the correct description for the translation of A to A'? A(10, 3) A'(1, 6) right 9; up 3 left 9; down 3* right 9; down 3* left 9; up 3 The point C(x, y) is reflected over the x-axis. Use arrow notation to describe the original point and its

In triangle PQR, we have

41. ## Referencing

Just a really general question here. In AP US History courses is it acceptable to reference a lecture in an assignment? An Open Yale University lecture on the Civil War contains information that I found really valuable but is it academically acceptable to

42. ## Mathematics

Karen collects local and foreign coins. 1/4 of her coins. 2/9 of the foreign are Austalia coins. What fraction of the coins are non-Australia foreign coins?

43. ## History

"And I further declare and make known that such persons of suitable condition will be recevied into the armed service of the US to garrison forts positions stations and other places and to man vessels of all sorts in said service." What did this portion of

44. ## math

On a centimeter dot grid, draw all possible rectangles with a perimeter of 14 cm and sides whose lengths are whole centimeters.

Please read the following excerpt from an essay, and answer the question that follows. After Sean was arrested for breaking into a pawnshop, I began to wonder. Why did some kids from my neighborhood end up in trouble while most of us didn't? I started out

46. ## Math

What is the correct description for the translation of A to A? (10,3)-> (1,6) right 9; up 3 left 9; down 3 right 9, down 3 left 9; up 3 I think the answer is right 9;up 3

Find the values of the 30th and 90th percentiles of the data. Please show your work. 129, 113, 200, 100, 105, 132, 100, 176, 146, 152

Compare the graphs of the inverse variations. Please provide at least 3 comparisons y= (-0.2/x) and y= (-0.3/x) -0.05, -0.075 , -0.1, -0.15 ?

49. ## calculus

A painting is hung on a wall in such a way that its upper and lower edges are 10 ft and 7ft above the floor, respectively. An observer whose eyes are 5 ft above the floor stands x feet from the wall. How far away should the observer stand to maximize the

50. ## English

I am writing research paper on outdoor activities and how digital gaming cannot replace outdoor activity. Could someone please give me five academic site sources to get information from thanks you!

51. ## math

1.A square has side lengths of 3 units. One of its vertices is at (5, -2). Which of the following are possible coordinates of another vertex? a)(9,-2) b)(8,-2) c)(5,5) d)(5,-1) idk can someone help i am confused

52. ## chemistry

How many grams of sucrose (C12H22O11) are in 2.50L of 0.710M sucrose solution?

53. ## Science

what determines the movement of global winds

54. ## chemistry

Calculate the molarity of a solution made by adding 47.2g of NaNO3 to a flask and dissolving it with water to create a total volume of 1.80L .

55. ## Math

Find the variable for the following 3x3 matrix. |x 3 -1 2 1 -2 4 1 x| Note: This entire matrix =10

1.simplify with the aid of a calculator Keys: " =degrees sin21"40^1+cos23"50^1

57. ## chemistry help

A 15.00 mL sample of an unknown monoprotic weak acid solution is titrated with 0.35 M NaOH. The initial buret reading is 0.23 mL. The phenolphthalein indicator turns the solution light pink when the buret reads 29.58 mL. B. How many moles of NaOH were

58. ## math

Writ anumerical. Expression for each word phrase 18 less 25

59. ## chemistry help

In the following questions, assume that no excess distilled water was added from a wash bottle during the titration of 10.00 mL of vinegar with your standardized solution of NaOH. A. calculate the pH of vinegar. B. what was the pH of the solution after

60. ## English

I am doing argument essay on learning in the traditional classroom is better than online. I cannot figure out how to do my thesiS.my teacher wants it fits the is/not thesis/antithesis formula.

61. ## Chemistry

What would be the procedure for titrating a beverage to determine the concemtration of weak acid? What reagents would be needed? What appropriate measurements and observations must be made?

Can you check the following? 1. (-1/3)x = -5 multiply both sides by -3 because dividing by fraction is same as multiplying by its reciprocal, right? Ans: -5(-3)= 15 2. x - (-3) = -8 + (-3) + (-3) x = -11 3. The signup fee to join Flexible Fitness Gym is

63. ## Science

Which statement describes the relationship among the sun wing and ocean currents A. The sun heats the ocean surface causing water to evaporate producing wind currents B.The sun heats earth unequally cuaing winds that drive ocean surface currents C.The sun

64. ## Physic

If your weight on Earth is 637 Newton, what is your mass in kg?

65. ## Physic

A car accelerates from 5.0m/s to 22m/s in 18 seconds, find the acceleration.

66. ## Physic

How far does a cyclist travel when she accelerates from rest to 6.5m/s in 22s?

67. ## career help

When you ask yourself, Is this goal within my reach given my current situation? You are seeing if your goal is: Specific Measureable Attainable Realistic is it a or d

68. ## exponential equations

The City of South Bay has a current population of 85 000. If the city is increasing at a rate of 7.25% per year, calculate the future population in 8 years time. Round to the nearest person.

69. ## math

A painting is hung on a wall in such a way that its upper and lower edges are 10 ft and 7ft above the floor, respectively. An observer whose eyes are 5 ft above the floor stands x feet from the wall. How far away should the observer stand to maximize the

70. ## prob. & stat

A group of 150 students were asked to identify 55 flowers. The relative frequency table shows the results. About how many students identified at least 42 flowers? 0-6 5 7-13 14 14-20 6 21-27 11 28-34 19 35-41 29 42-48 13 49-55 3

71. ## Math

How do I solve this inequality? 3x

72. ## Chemistry

High concentration of iron (III) ions, Fe3+, cause hard water. Write a balanced equation to show how iron ions can be removed using sodium carbonate, NaCO3.

73. ## prob. & stat.

A pond is freshly stocked with 15 brown trout and 9 lake trout. The first fisherman in the area catches and releases a trout. He catches another trout a while later. What is the probability that the fisherman caught brown trout each time?

74. ## math

The vertices of ^ABC are A (2,-5), B(-3,5) AND c(3,-3) The Triangle is reflected over the x-axis. I think the answer would be A(2,-5), B(-3,5), C(3,-3) ->(-2,-5), (3,5), (-3,-3)

75. ## career help

one year ago This degree program is designed to prepare students to enter a career upon completing the degree with no further study required. Some are transferable to a state university program to continue education. Associate in Arts (AA) Associate in

76. ## cda

The Afterschool Education and Safety (ASES) program, created in 2002, provides funds for programs A. to keep children off of the street and in school. B. focusing on literacy, homework assistance, and youth development. C. throughout America increasing

77. ## chemistry

Aqueous hydrobromic acid will react with solid sodium hydroxide to produce aqueous sodium bromide and liquid water . Suppose 4.05 g of hydrobromic acid is mixed with 0.86 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by

78. ## Math

Of 1901 people who came into a blood bank to give blood, 315 people had high blood pressure. Estimate the probability that the next person who comes in to give blood will have high blood pressure

79. ## cda

Leaders should use knowledge of how to organize and administer a program to develop activities and experiences that are developmentally appropriate, meaningful, and A. intellectual. B. fun. C. expensive. D. exclusive. I choose B

80. ## 6th Grade Geometry Help and A.S.A.P!!

I forgot so, when calculating a circle's circumference, and area do you measure the circle in inches or centimeters? Also, calculating a rectangular prism's surface area and volume do you use inches or centimeters to measure it? Thanks. Please answer as

81. ## English

What does refute the reasons mean ?

82. ## Reed

Hey Reed u told me u will check my essay and u didn't check it so i posting in this post! PLZ remove the last post which was Yesterday cause I posted my essay there and after u check let me know. Plz don't remove this until I reply so I can see ur reply!

83. ## chemistry

calculate the change in pH when 5 ml of 0.01M HNO3 is added to 50 ml of water. I know how to calculate pH, but not when it is changing.

84. ## physics

A rod with a length L = 0.385 m and a nonuniform linear mass density rests along the y axis with one end at the origin. If the linear mass density of the rod is given by λ = (5.00 ✕ 10−2 kg/m) + (1.50 ✕ 10−2 kg/m2)y then a) what is the total mass

asked by Pissed off at this question rn
85. ## chemistry

how to prepare 1 L of 2.5M nitric acid from 69% of concentrated nitric acid?

86. ## Calculus

Use implicit differentiation to differentiate y=x8/37, by writing it as y37=x8. Express your answer only in terms of x.

87. ## Finance - Loans problem

Reiny the answer 307.33 you posted at the bottom is coming up incorrect. please if you can help i would be very grateful. A company borrows \$170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay

88. ## Programming

3.Do the planning and write algorithm to solve for following problem. There are 15 pupils in the Introduction to Programming I module. The age of every student is entered in years and months. Convert the age into months to calculate the average age.

89. ## algebra

Marcus plotted the points (0,0),(6,2),(18,6), and (21,7) on a graph. He wrote an equation for the relationship. Find another ordered pair that could be a solution of Marcus's equation.

Hi again, so when calculating a circle's dimensions, circumference and area do you use the squared symbol and for a rectangular prism's dimensions, surface area, and volume do you use the squared symbol? Please respond quickly!!! Thank You Very Much.

91. ## Math

Your store’s average basket (transaction) size for the month of March was \$11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of \$9.00 for the month of March

92. ## calculus

(1 pt) When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV1.4=C where C is a constant. Suppose that at a certain instant the volume is 390 cm3, and the pressure is 75 kPa (kPa =

93. ## Math

If it costs \$500 per ton to ship a vehicle, how much will it cost to ship a minivan that weighs 4,500 pounds?

94. ## Calculus

1 pt) For positive constants k and g, the velocity, v, of a particle of mass m at time t is given by v=mg/k(1−e−kt/m). At what rate is the velocity is changing at time 0? At t=8? What do your answers tell you about the motion? At what rate is the

95. ## Math

Find all the possible values of the expression. sin^-1 -(square root3/2) Ans: 4π/3 + (2π)n 5π/3 + (2π)n

96. ## probability

Let X and Y be independent random variables, each uniformly distributed on the interval [0,1]. Let Z=max{X,Y}. Find the PDF of Z. Express your answer in terms of z using standard notation . For 0

98. ## math

what is 4(y*y)? is it 4y*4y, or can u not distribute, and why?

99. ## algebra

how can you write a proportion that solves a problem in real life? can someone give me some ideas please?

100. ## statistics

Let X and Y be independent random variables, each uniformly distributed on the interval [0,1]. Let Z=max{X,Y}. Find the PDF of Z. Express your answer in terms of z using standard notation . For 0

101. ## Algebra

Factor the following as if it were a trinomial 9t^1/1-25

A solenoid 20 cm long is constructed from 500 loops of wire and carries a current of 5 A as seen the diagram below. A tiny hole is drilled through the diameter of the solenoid in such a way that the current through the solenoid is not disrupted. If an

103. ## phiscis

a person in a wheelchair with a total mass of 100 kg is pushed from rest to a speed of 2.0m/s. if the effective coefficient of friction is .05 and the distance moved is 15 m calculate the work done, calculate the average force that must be exerted on the

104. ## physics

. An open tank holding 400 cubic foot of air at atmospheric pressure at 70 degrees F and heated to 160 degree F. What is the volume of air that escapes from the tank?

105. ## physics

A 2inch diameter pipe has been chosen to pass 65 GPM. Can this diameter be used for the suction line? If not , what line diameter should be specified?

106. ## Algebra

Simplify the following into a single expression x^3/(x^2-1)^5/8 + 2x(x^2-1)^3/8

107. ## Algebra 2

Verify the identity . cot (treta-pi/2) = -tan treta

108. ## MATH

A cardboard sheet is of rectanguler shape with dimensions 48m x 36m. From each of its corners,a square is cut off so as to make an open box. if the side of the square of the square is 8m, find the volume and lateral surface area of the box.

109. ## Physics- Solenoid Questions

1) A technician has been given wire that can safely carry 5 A. She has been instructed to construct a solenoid that will have a magnetic field of 0.06 T at its center. After completing some tests of the wire, the technician finds that the tightest safe

110. ## Algebra

Two players have the same batting average. Player 1 At bats: 132 Hits: 45 Player 2 At bats: 32 Hits: 45 Player 1 gets four hits in the next five at bats. Player 2 gets three hits in the next three at bats. Who has the higher batting average? Does this seem

111. ## Physics

If you take a pendulum clock from Paris to Cayenne, French Guiana, it loses 2.5 min each day. If the period of a pendulum of given length is proportional to 1/sqrt(g), and if g = 980.9 cm/s^2 in Paris, what is g in Cayenne? ...Um...I'm not entirely sure

112. ## Math

Mrs. Birdsong charged a total of \$3,450 for 30 pieces of her pottery. She charged the same amount for each of the remaining pieces. How much did she charge per piece if pottery?

113. ## English

1. What a messy room! Can you give me a hand cleaning it, Matt? 2. What a messy room! Can you give me a hand which will clean it, Matt? ======================= Does #1 mean #2?

114. ## English

Let's make it at six in the evening. - That's too late. How about an hour earlier? - Good, see you then. =================== Does 'make it' mean 'meet'?

115. ## Math (ASAP)

Find the variable for the following 3x3 matrix. |x 3 -1 2 1 -2 4 1 x|

116. ## physics

A student measures the index of refraction of a gooey, transparent liquid to be 1.41. How fast does light travel in this liquid?

117. ## History

PLEASE HELP, I need to get this done in 2 hours 1. What was the effect of World War I on South Carolina? A. The state economy shrunk significantly. B. Citizens used more resources, such as meat and fuel, than before the war. C. Factory production slowed

118. ## chemistry

calculate delta G at 298 K when 5.0 atm H2 and 3.0 atm of CO2 are converted to methanol. I know you can calulate for Q and use that but how do you do the calculation when you don't have the atm for the final product.

119. ## chem

How many grams of CO2 are produced when 11.47 moles hexane combust? My work:I balanced the equation like so C6H14 + 19/2 O2 ==> 6CO2 + 7H2O My teacher taught us the 19/2 was valid My work: 11.47 mol C6H14 * 6 CO2/1 mol C6H14 * 44g/mol/1 mol CO2 = 3, 028 g

120. ## English

1. Pets welcomed 2. American and Indian food served =============== Can the expression be used as titles?

121. ## chem

if one pound (454g) of hexane combusts how many grams of water are produced? my work: 454 g C6H14 * 1 Mol C6H14/86 g C6H14 * 7H20/1 mol C6H14 * 18 g O2/ 1 MOL H2O = 665.2 grams of H2O

122. ## MATH

AB and CD are two chords equidistant from the center O. OP is the perpendicular drawn from center O to AB. if CD=6 cm. find PB.

123. ## English

1. Take it easy. 2. Make yourself at home. 3. Make yourself comfortable. ============ Are they the same in meaning? Do we have more similar expressions?

124. ## economics

Given a demand fxn of 20-2P and a supply fxn of -4+P for a perf. competitive market: 1. Calculate the equilibrium price and qty. (I got e. price = 4 and e. qty = 8 is that right?) 2. Calculate producer surplus, consumer surplus. (i got 8 and 4) 3. if the

125. ## Algebra 2

Verify the identity . cot ( theta - pi / 2 )= - tan theta

126. ## English

Jhon and amy ----- things.(to swap)

127. ## Algebra 2

Find the values of the 30th and 90th percentiles of the data. Please show your work. 129, 113, 200, 100, 105, 132, 100, 176, 146, 152

128. ## chemistry

calculate the grams of 1.8% (m/m) NaCl solution that contains 8.00 g of NaCl I tried 1.8 times 8.00g divided by 58.44g times 100 my answer is 24.6g rounded to 2 SF is 25g this truned out to be wrong I'm stumped!

129. ## Math

the car on the hydraulic lift in figure 22-2 has a weight of 16,170 N. Piston B has a surface area of 5,005 centimeters cubed; Piston A has an area of 65 centimeters cubed. What force must be applied to Piston A to lift the call? I tried to do 16,170 by

130. ## Algebra 2

Compare the graphs of the inverse variations. Please provide at least 3 comparisons y= (-0.2/x) and y= (-0.3/x) -0.05, -0.075 , -0.1, -0.15 ?

131. ## Chemistry

how many grams of sugar would be needed to give a 50.00 mL solution of FD&C Red Dye a concentration of 6.0% sugar?

132. ## Algebra

The difference of two whole numbers is 27.The greater number is 3 less than twice the smaller.What are the numbers?

133. ## physics

(b) A boy wishes to walk on ice block at a constant speed. The coefficient of sliding friction for steel on ice is 0.05 and the boy weighs 150 N. Find the force required to keep the boy moving at a constant speed along the ice.

134. ## Programming 1

1.Do the planning and write an algorithm to solve the following problem. Prepare test data for the example to test all possibilities and draw a trace table. Sam works at a coffee company where all the employees receive a bonus of R700, except the employees

135. ## Math

What part of a yard is 1 1/2 feet?

136. ## Maths

ann bought 5/8kg of tomatoes to make a salad dish 2/5 of the tomatoes were rotten and the rest were fresh what was the mass of fresh tomatoes

137. ## Algebra 2

Use trigonometric identities to solve each equation for the given domain. sin 2θ = -cos θ for 0 ≤ θ < 2π *Anyone who has any idea which identity to use is welcome to help

138. ## chemistry

0.1 mol of an organic acid is added to 600 ml of 0.5M KOH solution. The resulting basic solution can be neutralized by 200 ml of 0.5 M HCl solution. Which acid is ot?

A company borrows \$170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay monthly interest payments at the nominal annual rate of 7% compounded monthly. At the same time the company sets up a sinking

140. ## cda

Which of the following is included within the domain of social and emotional development? A. Memory B. Physical growth C. Gender identity D. Motor development I choose D

141. ## Chemistry

how many grams of Nano3 are in 0.755 moles of nano3

142. ## Exponential Equations

The Bruce’s purchased \$2500 worth of GIC’s. How long, t, will it take for the investment to increase to \$3500, if the interest rate is 2.75%. What is the Fv and Pv

143. ## Chemistry

How many moles of H2O are in 12.7 grams of H2O?

144. ## Math

A television company agrees to establish a community antenna in a new suburb at a charge of \$5 each for 1000 subscribers or less.To encourage more subscribers,it is agreed to give a discount of \$ 0.10 to each subscriber for every additional 10 subscribers

Point X is on line AC such that AX = 3 CX = 12. If

146. ## chemistry

the complete electrolysis of 90 grams of water will yield

147. ## writing skills

4. Read the following paragraph. Then answer the question that follows it. Next, with your right hand, make the wide part of the right end into a loop, holding the two narrow parts between your thumb and your index finger. Take the left end with your left

148. ## Exponential Equations

The Bruce’s purchased \$2500 worth of GIC’s. How long, t, will it take for the investment to increase to \$3500, if the interest rate is 2.75%. T= 3500/2000 =1.4 t= 1.4/1+0.0275 What do I do from here

149. ## Math

The point C(3, -1)is translated to the left 4 units and up 1 unit. How do I write a rule to describe the translation?

150. ## History

Which key geographic feature most defines the landscape of western South America? A.) Andes Mountain B.)Pampas C.)Amazon River D.)Atacama Desert

A square is constructed using the hypotenuse line AC of right triangle ABC as a side, as shown below. Find the area of the square if AB = 5 and BC = 9. I tried to approach this by finding the hypotenuse, which i found was 10, then i used that to find the

152. ## math

The figure below depicts a racetrack with ends that are semicircular. The length of the track is 660 ft (1/8 mi). Find l and r so that the area of the rectangular portion of the region enclosed by the racetrack is as large as possible. (Round your answers

Which of the following titles is made more effective by alliteration? A. Guns: Our Lethal Heritage B. Ruby, the Rose of Roslyn C. Now You See It; Now You Don't D. What's in a Name? my answer is b.

154. ## physics

(a) Find the electric potential difference V B − V A due to a point charge q 1 = −2.65 nC that is 0.250 m from location A and 0.410 m from location B. V (b) A charge q 2 moving from B to A gains in kinetic energy. What is the sign of this charge?

155. ## math

solve the equation 6y-2=8y-5

Point X is on line AC such that AX = 3 CX = 12. If

157. ## Algebra 116

A clothing store offers a discount on all purchases. What is the discount in dollars (before tax)for an item originally costing \$24.00 d0llars

158. ## writing skills

2. Because information listed on a website can change from day to day, _______ must be included in the end citation on the Works Cited page.A. the title of the siteB. the publication dateC. the date of accessD. the URLStudent Answer: B Answer:

159. ## Physics

A hockey player is initially moving at 5.00m s to the east. Her mass is 50.0 kg. She intercepts and catches on her stick a puck initially moving at 35.0m s at an angle of 30 degrees (Fig. 6.40). Assume that the puck’s mass is 0.50 kg and the two form a

Point P is inside rectangle ABCD. Show that \[PA^2 + PC^2 = PB^2 + PD^2.\] Be sure that your proof works for ANY point inside the rectangle. Any suggestions on how to work this? Not sure how to do this or what equation i need to use.

161. ## Sciene

Portfolio: you will design an experiment to investigate the relationship between the number of coil loops and the strength of a solenoid. One you have an experiment plan, carry out your experiment and record data. After finishing conducting experiment,

162. ## History

6. Which of the following Civil War era presidential orders directly impacted 13th Amendment A.homestead Act B.Wilmot Proviso C.Lecompton Constitution D.Emancipation Proclamation D? 7.Why did lincoln exclude west virginia from the effects of Emancipation

What type of expression would you use in an essay if you wanted to connect a new sentence to one that precedes it? A. Expressive B. Tracking C. Effective D. Transitional my answer is d.

164. ## Latin

1. the second paragraph begins with the sentence " Offsetting his strength was a noticeable lack of intelligence or wisdom ". Use evidence from the text to support this claim. I NEED HELP

165. ## geometry

afence is to be built on the diagnal of a rectangular dog park which is 250ft by 200ft to the nearest tenth of a foot. how much fence will be required?

166. ## Algebra II

Logarithms The brightness of an astronomical object is called its magnitude. A decrease of five magnitudes increases the brightness exactly 100 times. The sun is magnitude -26.7, and the full moon is magnitude -12.5. The sun is about how many times

167. ## Math

1. Ashlyn took out a loan for \$700 to buy a new Tv. The bank to going to charge her 3% compound interest. What amount will Ashlyn owe the bank after 3 years 2. Determine the value of a \$100 investment earning 10% compound interest over 2 years.

168. ## biology

What is relative dating?

169. ## Science

Portfolio: you will design an experiment to investigate the relationship between the number of cool loops and the strength of a solenoid. Once you have an experiment plan carry out your experiment and record your data. After you have finished conducting

170. ## Economics

Given a demand fxn of 20-2P and a supply fxn of -4+P for a perf. competitive market: 1. Calculate the equilibrium price and qty. (I got e. price = 4 and e. qty = 8 is that right?) 2. Calculate producer surplus, consumer surplus. (i got 8 and 4) 3. if the

Which of the following is not an example of a transition word or phrase? A. Consequently B. Or C. Beyond D. For instance my answer is c.

172. ## math

Solve for x and y simultaneously x+y=2 and 3x^2+4xy+y^2=6

173. ## chemistry

a 3.54 grams solid sample of an unknown monoprotic acid was dissolved in distilled water to produce a 47.0 mL solution at 25 degrees. This solution was then titrated with 0.2 M NaOH. The equivalence point was reached when 35.72 mL of 0.2 M NaOH was

174. ## chemistry

A 15.00 mL sample of an unknown monoprotic weak acid solution is titrated with 0.35 M NaOH. The initial buret reading is 0.23 mL. The phenolphthalein indicator turns the solution light pink when the buret reads 29.58 mL. A. what volume of 0.35 M NaOH was

A company borrows \$170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay monthly interest payments at the nominal annual rate of 7% compounded monthly. At the same time the company sets up a sinking

176. ## math (urgent)

A basketball or some stadium holds 20000 people. On average 140000 come to see the match. Average ticket price is \$75. market research shows that if ticket price is decreased by \$5 800 more people buy tickets. Find the price that will maximize revenue and

177. ## HELP MEH PLS

Marie and Pierre Curie coined which term to describe the ability of certain elements to give off radiation spontaneously? AM signals travel as changes in ____ Why does the wave of light bend toward the normal as it enters water? The Curies discovered which

asked by Who am I? That's a secret I'll never tell. You kno
178. ## engr

what useful product can you make using recyclable items?

179. ## Finances

Sheds R Us sells \$600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer = \$ b) If instead the interest rate is 1.75% per month, find the monthly payment Answer = \$ can anyone help me

180. ## chemistry

In the following questions, assume that no excess distilled water was added from a wash bottle during the titration of 10.00 mL of vinegar with your standardized solution of NaOH. A. calculate the pH of vinegar. B. what was the pH of the solution after

Which of the following is not an example of a transition word or phrase? A. Consequently B. Or C. Beyond D. For instance I need help with this answer. I thought is (c) but is not.

182. ## fluids

What are the three benefits of a fluid system as the prime mover in a system? Explain each benefit.

183. ## fluids

A 2inch diameter pipe has been chosen to pass 65 GPM. Can this diameter be used for the suction line? If not , what line diameter should be specified?

184. ## fluids

An open tank holding 400 cubic foot of air at atmospheric pressure at 70 degrees F and heated to 160 degree F. What is the volume of air that escapes from the tank?

185. ## us history

Who explored enough of South America to deem it a new continent?

186. ## reaing and writing

Cary and Vince are discussing titles for their essays. In developing a good title, Cary will create a title using alliteration. Vince will use a vague, broad title. Who is using a better strategy to develop a good essay title? A. Both Cary and Vince B.

Complete the table for the given function. x| y = x^2 + (-3) 0| 1| 2| 3| A. -3, -2, 1, 6 C. 3, 4, 7, 12 C. 0, 1, 4, 9 D. none of the above Thanks!

188. ## Chemistry

how many grams of KCIO3 can be dissolved it 50 g h20 at 50 degrees celcuis?

189. ## History

7.Why did lincoln exclude west virginia from the effects of Emancipation Proclamation? A.West Virginina had not yet been captured by Union Forces B.West Virginia threatened to secede if Lincoln freed their slaves too C.West Virginia was a Union state and

190. ## Chmeistry

How can solubility of a solution be written?

191. ## math help needed bad

I'm really confused on how to answer this question. Can someone help me to figure this out? Thank you A survey about the student government program at a school finds that of 245 students: -218 like the program -27 students think this program is

192. ## History

1. Why is Lincoln giving a speech at Gettysburg? A.To declare the Confederacy an outlaw nation B.To declare that to goal of the Union is to abolish slavery C.To dedicate a national cemetery for Union and Confederate dead D.To try Confederate soldiers for