# Questions Asked onApril 12, 2016

1. ## Math

2.)Geoff planted dahlias in his garden. Dahlias have bulbs that divide and reproduce underground. In the first year, Geoff’s garden produced 4 bulbs. In the second year, it produced 8 bulbs, and in the third year, it produced 16 bulbs. If this pattern

2. ## math

Solve the system of equations algebraically. Show all your steps. y=x^2+2x y=3x+20 Can someone pease help me? I don't think I'm right. Would it be x=-4, y=8 Then, x=5,y=35??

3. ## Social Studies

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 and trade decreased with other countries. D. Some

1.)if an object is dropped from a height of 144 ft the function h(t)=-16t^2+144 gives the height of the object after t seconds. when will the object hit the ground? a.)1.5 seconds b.)3 seconds *** c.) 6 seconds d.)9 seconds 2.) the area of a play ground is

5. ## Math

Caleb's family room has the dimensions 5 1/4yd wide and 3 7/8yd long. he needs to find the area of the room so that he knows how much carpet to buy.

6. ## volume

what is volume, if base area 56 in2, height 6 in

7. ## Math

A sports team is building a new stadium on a lot of land. The lot measures 8x by 12x and the field will be 3x by 6x. how much land will be left for the bleachers, restrooms, and other parts of the stadium? So would I use the foil method or would I use the

8. ## accounting

journalize the earning of services \$53,000 on account and then additional \$45,000 in cash

9. ## English

What is an example for an archetype in the book night by Elie wiesel

10. ## i need help with science pls

]Most of the drinking water in a location comes from a river. A steel plant is to be built close to the river. It would provide jobs and facilities to many people in the location. The steel plant would use a huge amount of river water. This might cause

11. ## Social Studies

7. Select one movement from the Progressive Era. Describe the movement and its impact reform on South Carolina. Provide details and examples that support how this movement changed South Carolina. I chose the civil right movement I just don't know how to

12. ## Science

How does subduction change the ocean floor? a) subduction cause magma to accumulate on the ocean floor b) subduction causes oceanic crust to break into pieces •• c) subduction causes the ocean floor to sink into deep-ocean trenches d) subduction causes

13. ## Physics

A stone is dropped from a tower 100 meters above the ground. The stone falls past ground level and into a well. It hits the water at the bottom of the well 5.00 seconds after being dropped from the tower. Calculate the depth of the well. Given: g = -9.81

14. ## Algebra, math

What happened when 1000 baseballs fell from an airplane?

15. ## Science

What kind of magma produces a quiet volcanic eruption? A. Magma that is rich in Silica B. Magma that is Fluid C. Magma that is low in Iron D. Magma that is low in Silica•• Correct me

16. ## Math

A triangle has sides 8 cm and 5 cm and an angle of 90 degrees between them.Calculate the smallest angle of the triangle

17. ## Social Studies (please give me websites with info)

7. Short Answer Select one reform movement from the Progressive Era. Describe the movement and its impact on South Carolina. Provide details and examples that support how this movement changed South Carolina.

18. ## physics

ABC is a equilateral triangle of side 0.03m. Charges of +5nC and -5nC are placed at the corner A and C find the resultent electric intensity at B.

19. ## Geometry

ABGF is a square with half the perimeter of square ACDE. GD = 4 in. Find the area of the shaded region. The shaded area is FGBCDE. I kinda know what needs to happen, but I'm lost and confused on the steps to get there:/ Step by step would be most helpful:)

20. ## science help pls pls

Dams are used to produce hydroelectric power. Which of these best describes the impact of a dam on the environment? It causes air pollution. It reduces the level of groundwater. It causes changes in the river ecosystem. It reduces the level of oxygen in

21. ## Science

locate the epicenter of an earthquake a seismologists must determine all of the following except ? a) the difference between arrival time of P and S waves b) seismographic locations data from the seismograph locations c) the distance from the epicenter to

22. ## Math

9.)Which hill described in the table is the steepest? Explain.' (Table) Street Horizontal Distance (ft) Vertical Rise Dixie Hill 80 40 Bell Hill 80 20 Liberty Hill 80 60 A.)Bell Hill; it rises 1 foot for every 4 feet of horizontal travel. B.)Dixie Hill; it

23. ## science

Charcoal from an ancient campfire has a ratio of 14C to 12C that is one- fourth that of new wood. About how old is the charcoal? The half- life of 14C is 5730 years.

24. ## physics

A thin, rigid, uniform rod has a mass of 2.60 kg and a length of 1.69 m. (a) Find the moment of inertia of the rod relative to an axis that is perpendicular to the rod at one end.A thin, rigid, uniform rod has a mass of 2.60 kg and a length of 1.69 m.

26. ## chemistry

Calculate the concentrations of all species present in a 0.100 M solution of weak polyprotic acid H3PO4. Ka1=7.5 x 10 ^-3, ka2 = 6.2 x 10 ^-8, Ka3= 3.6 x 10^-13 How the heck do I do this

27. ## science help pls pls

Which of these statements best explains why scientists use models? to allow other scientists evaluate their data to speed up or slow down natural processes to describe and explain non-observable objects and processes to predict the scientific theories

28. ## Mathematics

1. Which of the following is the correct definition of minerals? (1 point) a naturally occurring, inorganic solid that has a crystal shape and a definite chemical composition a naturally occurring, inorganic solid that forms through crystallization of

29. ## Math

In 1998, Terre Haute, Indiana had a population of 72,000 people. In 2000, the population had dropped to 70,379. City officials expect the population to level off eventually at 60,000. 1. What kind of function would best model the population over time ? 2.

1.)order the group of quadratic fractions from widest to narrowest graph. y=3x^2;y=5x^2;y=7x^2 a.)y=3x^2;y=5x^2;y=7x^2 b.)y=7x^2;y=5x^2;y=3x^2 c.)y=3x^2;y=7x^2;y=5x^2*** d.)y=2x^2;y=7x^2;y=3x^2 2.)the area of a play ground is 234yd^2. the width of the

31. ## english

What best completes this statement about "London, 1802"? In Lines 9 and 10 Wordsworth uses _____. personification metaphor simile allusion line9 Thy soul was like a star, and dwelt apart; line10 Thou hadst a voice whose sound was like the Sea:

32. ## science help pls pls

Which of these surface features are formed when the acid in groundwater reacts with limestone? rivers and springs sinkholes and caves hot springs and geysers wetlands and volcanoes is it b pls help me

33. ## Math

< WXY=113.Use what you know about angles in a parallelogram to find the measure of the other angels

34. ## College Algebra

The rodent population in a city is currently estimated at 30,000 and is growing according to the Malthusian model. If it is expected to double every 9 years, when will the population reach one million? (Round your answer to one decimal place.)

35. ## SCHistory

What action did Governor Richard Manning NOT take to prepare South Carolina for war? A. He secured military training facilities. B. He encouraged residents to purchase Liberty Bonds. C. He improved transportation and communication facilities.****** D. He

36. ## engineering economics

A) A company has issued 10-year bonds, with a face value of \$1,000,000 in \$1000 units. Interest at 8% is paid quarterly. If an investor desires to earn 12% nominal interest (compounded quarterly) on \$10000 worth of these bonds, what would the purchase

37. ## Chemistry 2

Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol. How much potassium nitrate has to dissolve in water to absorb 107 kJ of heat?

38. ## algebra

A local salesman receives a base salary of \$900 monthly. He also receives a commission of 7% on all sales over \$1000. How much would he have to sell in a month if he needed to have a monthly income of \$2900?

39. ## math

sarah owns a small business there was a loss of 19 dollars on thursday and a loss of 12 dollars on friday on saturday there was a profit of 15 dollars find the total profit or loss of the four days A- \$35 loss B- \$ 19 profit C- \$ 27 loss D- \$ 57 loss my

40. ## life orientation

design a newspaper article to warn people against engaging in fraud and corruption. make sure it looks real and impressive

41. ## Liberal Arts

A girl has 7 skirts, 5 blouses, and 6 pairs of shoes. How many different skirt-blouse-shoe outfits can she wear? (Assume that each item matches all the others, so she is willing to wear any combination.)

42. ## science help PLS

A nuclear power plant produces huge amount of electricity. However, it dumps radioactive wastes into the sea. This has led to an increase in illness among people living along the coast. Which of these is the best method to solve this problem? Increase

43. ## Physics

If the angle between the polarizer and the analyzer is 30 degrees, what light intensity would be transmitted through the polarizer and analyzer, respectively? I know the equationg we're supposed to use is: I= Io*cos2(theta), but how do I find the Io? And

44. ## Chemistry

A student completes a titration of an unknown diprotic acid. In this experiment, 0.79 g of the acid is dissolved in 250.0 mL of water. It requires 13.48 mL of 1.0 M NaOH to reach the second equivalence point. What is the molar mass of the acid?

45. ## Science

Which of the following is true about chemical energy? A. Chemical energy can be stored more efficiently as glucose than it can be as ATP B. Chemical energy is stored when bonds in ATP are broken to form ADP C. Chemical energy is released when bonds in ADP

46. ## Math

How do I do Why does a poor man drink coffee? I can't get the right answers.

47. ## life orientation

make six suggestions on how to combat the violations of human rights and indicate any organization you have come about in your research and indicate how they combat the human rights violations

48. ## algebra 1

In a basketball game you score 2 points for a field goal and 1 point for a free throw. Suppose that you have scored at least 5 points a game and have a season high of 12 points a game. How many field goals and free throws could you have made in one game?

49. ## Physics

A pendulum clock can be approximated as a simple pendulum of length 1.03 m and keeps accurate time at a location where g = 9.82 m/s2. In a location where g = 9.77 m/s2, what must be the new length of the pendulum, such that the clock continues to keep

50. ## Algebra

Jay weighs 20 pounds more than Dan whose weight is twice what Kirsten's is. Their total weight is 320 pounds. How much does Kirsten weigh?

51. ## chemistry

From the enthalpies of reaction 2C(s)+O2(g)¨2CO(g)ƒ¢H=−221.0kJ 2C(s)+O2(g)+4H2(g)¨2CH3OH(g)ƒ¢H=−402.4kJ calculate ƒ¢H for the reaction CO(g)+2H2(g)¨CH3OH(g)

52. ## Science

mount twin peaks located in northern Vancouver Island erupted three million years ago and it has not erupted since then. Mouth twin Peaks is most liekly ? a) dormant •• b) active c) extinct d) stationary Correct me

53. ## Science 8th

How is a parallel circuit different from a series circuit? A: A parallel circuit only has one path for the circuit to take. B: A parallel circuit has more than one path for the circuit to take. C: A parallel circuit has a broken path for the circuit to

54. ## IMPORTIANT MATH

A school is fencing in a rectangular area for a playground. It plans to enclose the playground using fencing on three sides (the fourth is a wall) . The school has budgeted enough money for 75 ft of fencing material and would like to make a playground with

3. What South Carolina operation was similar to the Tennessee Valley Authority? a. Broad Tyger Project** b. Edisto Ashley Project c. Saluda Reedy Project d. Santee Cooper Project 4. Which of the following was NOT a result of the New Deal a. The government

56. ## Graphs

The graph of y = f(x) is shown below. Assume the domain of f is [-4,4] and that the vertical spacing of grid lines is the same as the horizontal spacing of grid lines. The points (a,4) and (b,-4) are on the graph of y = f(2x) Find a and b.

I'm in connections and this is a quiz the value of the dependent variable in a function is always blank the value o the independent variable a greater than b dependent on c equal to d less than a science class planted a tree in the school court yard that

58. ## Basic math

a doctor order a dosaga of 5ml of medicine every 4 hours for 14 days how many fluid ounces of medicine should be purchase?

59. ## social studies

For what main purpose did European rulers build empires?

60. ## PHYSICS

A 2000kg elevator is attached to a 1800kg counterweight. What power must the motor supply to raise the elevator at 0.4m/s?

61. ## Pre Algebra

1. Which of the following is an example of a dependent event? (1 point) flipping two coins rolling a number cube and spinning a spinner choosing two scoops of ice cream choosing a cookie at random, eating it, and then choosing another at random 2. Which of

62. ## AP Physics

A certain length of wire has a resistance of 21 ohms. This wire is melted down and from the same volume of material a new wire is formed that is three times longer than the original wire. What is the resistance of a new wire? ***PLEASE SHOW ALL WORK!!!

63. ## Chemistry

When titrating 50.0 mL of 0.10 M H2SO4 with 0.10 M NaOH, how many mL of NaOH will you have added to reach the 1st equivalence point? I am confused... What H2A problem? Chemistry-Dr.Bob222 - DrBob222, Tuesday, April 12, 2016 at 1:49am Refer to the H2A

64. ## Math

A family is building a circular fountain in the backyard. The yard is rectangle and measures 14x by 19x and the fountain is going to be circular with a radius of 6x. Once the fountain is built, what will be the area of the remaining yard? Please do help I

65. ## PLZ HELP ME MR.REED!! I NEED IT ASAP!!

The development of England as a nation-state occurred because of increasing

66. ## science help pls pls

A pond is located beside an open mine. Mercury from the mine contaminates the river water. This is an example of single pollution multiple pollution point source pollution non-point source pollution would this one be c or b. im having trouble with this

67. ## science check

The lake water in a location in Florida has been found to contain high levels of fecal coliform. What are people in the location most likely to do? breed fish in the lake stop swimming in the lake reduce their water consumption install water filtering

68. ## Math

How must unit cubes be stacked when used to measure volume?

69. ## Math

What angle in the first quadrant could you reference to help you find sine and cosine of each of the following angles ? 330 120 113 203

70. ## U.S history

Compare and contrast the US involvement in the korean and the Vietnam war. Include two similarities and two differences. Can someone please please help me? I honestly remember nothing about these wars.

71. ## math

Aryam has 6 coins that have a total value of 56c. list the coins.

72. ## math

The length of a rectangle is 3 inches greater than the width. Write the polynomials that represent the area of the rectangle a= lxw l=w+3 therefore area= (w+3)(W)

73. ## Health

The following is a health benefit of a nicotine substitute: it is cheaper than regular cigarettes so you can still get the benefit of nicotine at a lower cost. true false** I have no clue. can someone please help me?

74. ## U.S. History (Check)(Reed)

Write a paragraph on the similarities and differences of isolationism and internationalism. A: Isolationism and internationalism are distinctly different from each other. Isolationism is the policy of avoiding involvement in world affairs, whereas

75. ## physics

One end of a thin rod is attached to a pivot, about which it can rotate without friction. Air resistance is absent. The rod has a length of 0.48 m and is uniform. It is hanging vertically straight downward. The end of the rod nearest the floor is given a

76. ## HEALTH PLZ HELP MEEEEEEEEEEEE ASAPPPPPPPP

Explain what would happen if your epiglottis stopped working properly. A. you would have to go to dialysis to get your blood filtered everyday B. you would have to use an inhaler when the pollen or dust repeatedly bothered you C. you would choke on food

1. Over which interval is the velocity greatest? FILL IN THE BLANK ____ 2. Over which interval(s) is the velocity zero? FILL IN THE BLANK ____ 4. What is the average velocity in m/s from A to B? FILL IN THE BLANK ____ 5. The velocity of an object goes from

asked by random person who probly takes the same class as you
78. ## Art

Which of the following is most likely the reason for a city to reject an artist's proposal to create a religious mural on the side of the city library? A. the wall is too large for the subject matter. B. The location is inappropriate for the subject

79. ## life orientation

Identify three human rights violations or discrimination and explain in an introductory paragraph why you choose the specific human rights violation or discrimination

80. ## Science

of the following illustrates conduction as a mode of heat transfer 1 point a microwave oven produces electromagnetic waves that transfer to the food in the form of head leaving a metal spoon in a bowl of hot soup will make the spoon at a well •• pasta

81. ## science

Which of the following substances has the greater heat capacity? a. 0.02 g of aluminum b. 2.00 g of aluminum c. 20.0 g of aluminum d. 200 g of aluminum*** please correct me if im wrong

82. ## life orientation

evaluate the physical, social and economic consequences of this crime to the offender.How did this corruption and fraud impact negatively in the country; for example service delivery, tax, expense of trial. ......1 to 2 pages pls I need ur help

83. ## Math

This is on the 2008 Free response AP Calc AB exam- #4a. Let f be the function given by f(x)=(lnx)(sinx). The figure above shows the graph of f for 0

84. ## Health Plz help THX!!

Explain what would happen if your epiglottis stopped working properly. A. you would have to go to dialysis to get your blood filtered everyday B. you would have to use an inhaler when the pollen or dust repeatedly bothered you C. you would choke on food

85. ## math

a recipe calls for 2 1/2 quarts of fish stock and 1 1/2 pounds of shrimp. what is the unit rate of fish stock to shrimp in the gumbo

86. ## Geometry

Find the surface area. sphere: area of great circle = 29.8m^2

87. ## Math

Jasmine and her brother Nat are savibg to buy a digital camera that costs \$135. Jasmine earns \$15 per week for babysitting and spends \$5 of it. Nat earns \$18 per week for walking dogs and spends\$7 of it. Which expression can be used to find how many weeks

88. ## Math

A chord 30cm long is 20cm from the centre of a circle calculate the length of a chord which is 24cm from the centre.

89. ## Chemistry

A 40.0 g sample of zinc is allowed to react with excess hydrochloric acid. How many liters of dry hydrogen gas are produced if the gas is collected over water at 23.0 degrees celsius and 1.234 atm of pressure? (Vapor pressure of water at 23.0 degrees

90. ## Algebra

An arrow is shot vertically upward from a platform 48 ft high at a rate of 233 ft per sec. When will the arrow hit the ground? Use the formula: h = −16t2 + v0t + h0.

91. ## Chemistry

Calculate the number of moles Fe2O3 in 2.37x10^21 atoms of Fe2O3?

92. ## Algebra 1

A firework is launched from a cliff overlooking the ocean. The elevation of the firework shell, in feet above sea level, t seconds after launch is given by the expression -16t^2+157t+63. How high is the top of the cliff, in feet above sea level. We just

93. ## AP Physics

An electric furnace runs nine hours a day to heat a house in January (31 days). The heating element has a resistance of 10.6 ohms and is hooked up to a 240 Volt potential. What does it cost to run the furnace in the month of January if the cost of

94. ## Math

In 1998, Terre Haute, Indiana had a population of 72,000 people. In 2000, the population had dropped to 70,379. City officials expect the population to level off eventually at 60,000. 1. What kind of function would best model the population over time ? 2.

95. ## AP Physics

Two identical, small balls are suspended by separate 0.25m threads that are attached to a common point on the ceiling. Each ball has a mass of 8.0 x 10^-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical positive

96. ## Chemistry

Calculate the pH of 0.250 L of a 0.65 M formic acid (HCO2H) - 0.10 M sodium formate (HCO2Na) buffer before (on your own) and after the addition of (a) 0.010 mol of NaOH (on your own) and (b) 0.010 mol of HCl (in the blank). Assume that the volume remains

97. ## science

Which of the following is true? Choose all that apply. a. When molecular kinetic energy transferred to a substance, the motion of the molecules in the substance increases. b. When molecular kinetic energy is transferred away from a substance, the

99. ## math

the length of a rectangle is 3 inches greater than the width. write the polynomials that represent the area of the rectangle

100. ## science

Which of the following substances has the greater heat capacity? a. 0.02 g of aluminum b. 2.00 g of aluminum c. 20.0 g of aluminum d. 200 g of aluminum*** please correct me if im wrong

101. ## math

Which strategies can be used to solve this problem? Kathleen invited 28 people to her party. She plans to seat 8 people at the dining room table. She will put the rest at round tables with 4 people at each table. What is the fewest number of round tables

102. ## english

In which sentence is the meaning of the word astonish expressed A.marley says nothing will surprise scrooge given all that he has seen B. Christmas present asks scrooge to touch his robe C. freds wife expresses her pleasure at the amount of laughter in her

103. ## Physics

What is the heat in Joules required to raise the temperature of 25 grams of water from 0 °C to 100 °C? What is the heat in calories? Knowing that 4.18 J = 1 calorie and C= 4.18 J/g·°C M=25g C=4.18 J/g Tf=100 Ti=0 Q=25g x4.18j/g (100-0) Q=25x4.18x(100)

104. ## Physics

The Equation of Continuity states that the mass flow rate has the same value at every position along a tube that has a single entry and a single exit point for fluid flow. Basically it boils down to the idea that the fluid doesn’t magically disappear or

105. ## math

Alvin can go upstream at a rate of 6 miles per hour and downstream at a rate of 12 miles per hour. One day while Alvin was on the river, he received a call telling him he needs to turn around and come home. So he turned around and went back to his starting

106. ## life orientation

express your emotion on how bad fraud and corruption are and how they must be avoided

107. ## Algebra

The sum of a positive number and 5 is 806 times the reciprocal of the number. Find the number.

108. ## Algebra

Find a positive real number such that its square is equal to 4 times the number, increased by 60.

109. ## Chemistry

Consider the following acid/base reaction CO3^2− + 2H^+ → H2O + CO2 that produces CO2 gas. 6 L of CO2 is collected at STP. What is the molarity of the HCl solution used in the reaction if 81 mL of HCl was needed?

110. ## algebra/math

Find the smallest value of x such that x^2+6x + 9 = 24 Please help me! I am very confused. Thank you!

111. ## Algebra

The length of a room is 4 times longer than it's width.its area is 36m2.Find the dimensions of the room .

112. ## Maths

Solve the following equations for 0 < x < 2pi A) sin^2x=2sinxcosx B) 3tanx=cosx Please help Thankyou

113. ## PLS HELP MEH ~OREO_CHAN

Based on the information above, which of the following statements would most likely be a belief shared by both Luther and Calvin?

114. ## Social Studies

Which of the following industries is not a current leading contributor to the economy of mordern Georgia? agriculture manufacturing tourism retail A?

115. ## math

Which of the following is not one of the three ways to express a ratio? A.3/4, b. 3:4, c.3 of 4, d.3 to 4

116. ## chemistry

if 62.3 g of zinc react with hydrophosphoric acid (H3PO4) it produces zinc (I) phosphate and hydrogen. how much zinc (I) phosphate is produced?

Crystal made a bag of trail mix peanuts, raisins, and chocloate chips in the ratio of peanuts:raisins:chocolate chips = 5:3:2. There are 150 raisins in the trail mix. How many peanuts and chocolate chips are in the trail mix?

118. ## science

Which of the following is true? Choose all that apply. a. When molecular kinetic energy transferred to a substance, the motion of the molecules in the substance increases. b. When molecular kinetic energy is transferred away from a substance, the

119. ## Calculus Answer Confirming Not Sure Im Right Help?

Evaluate the lim a. lim x--> 64 (cube root x-4/x-64) (∛x-4)/(x-64) -> 0/0 so then let cube root x = u u-4/u^3-64 u-4/u^3-64 = u-4/u-4(u^2+4u+16) the u-4 cancel each other out leaving lim x->64 = 1/u^2+4u+16 1/64^2+4(64)=16 oddly i find the number to

120. ## Math

Keisha bought some packs of gum.there was 5 stiks of gum in ech pack.she opened the packs then gave 8 sticks to her sister.this left keisha with 27 sticks os gum. How many packs of gum did keisha buy?

121. ## Trigonometry

Water is dripping out of the bottom of a conical container. The cone has a diameter of 8 inches and a height of 8 inches. a) When the depth of the water is 8 inches, what is the radius of the water? b) Write a function for the volume of water left in the

122. ## physics

The period of an ocean wave is 20 seconds. Calculate the wave's frequency.

123. ## Physics Help

A falling 50-kg skydiver experiences an upward acceleration of 6.2 m/s2 when she opens her parachute? Show (by calculation) how much drag force is produced by the parachute? How would I calculate this? F(net) = F(drag) - F(gravity) F(drag) = F(net) +

124. ## math

What are the coordinates of the points where the graphs of f(x)=x^3-x^2+x+1 and g(x)=x^3+x^2+x-1 intersect? Give your answer as a list of points separated by semicolons. (So "(1,-3); (2,3); (5,-7)" is a valid answer format.)

125. ## Maths Physocs

J and K are cycling together. K is riding a bike with a wheel radius of 35cm, crank wheel radius 11cm and chain wheel radius 4cm. She is pedalling at 60 rpm. How fast is she going? -->What is the significance of giving 3 different types of radius? --> know

126. ## Algebra

Solve the following quadratic equation by completing the square. Simplify the solutions and rationalize denominators, if necessary. x2 − 9x + 14 = 0

127. ## Math

Is the LCD of x/2x-4 and 5x/12x-24 not 24(x-2)? The original question is x/2x-4 + 5x/12x-24 and I factored the denominators first so that I could find the LCD. And I got: x/2(x-2) + 5x/12(x-2) After that, I multiplied up to the LCD and got: x/2(x-2) +

128. ## Math

Figure undergoes a sequence of transformation that include dilutions. The figure and its final image are congruent explain how.

129. ## science

Which of the following best describes the relationship between economic growth and energy use?

130. ## English

Should traditional healers be allowed to perform and prescribe medicine in hospitals and clinics?

131. ## Chemistry

What is the delta G naught for the cell in question 1 at 298 K? Question 1: Which is spontaneous, the oxidation of copper to Cu2+ or the reduction of Cu2+ to Cu? Work: OX: Cu --> Cu2+ + 2e- RE: 2e- + Cu2+ --> Cu Overall: Cu + Cu2+ --> Cu + Cu2+ Delta G

132. ## Physics

A 5kg box is pulled for a distance of 12m with a force of 20N along frictionless surface. The force is applied at an angle that is 15 deg. above the horizontal. a.) how much work was done by the applied force? b) how fast will the box be moving at the end

133. ## Physics

A fan is rotating at 50 rad/s. When turned off it slows down to a stop in 90 seconds. How many rev's does the fan make in coming to a stop?

134. ## Maths (Proof)

An octagon is formed by joining the points (7,0), (5,5), (0,7), (-5,5), (-7,0), (-5,-5), (0,-7), (5,-5) and (7,0). The octagon is regular. I have used proof by exhaustion and got that all sides are square root of 29. Then sketched it, and all sides were

Alvin can go upstream at a rate of 6 miles per hour and downstream at a rate of 12 miles per hour. One day while Alvin was on the river, he received a call telling him he needs to turn around and come home. So he turned around and went back to his starting

136. ## algebra

Express (15 - 20i)/(1-2i) in a+bi form. Thank you for all of the help!

137. ## Math

A farmer needs to build a fence to enclose a square plot of land with an area of 200 square yards. To the nearest tenth of a yard, how much fencing does the farmer need?

138. ## physics

Suppose that 7.40 g of hydrogen is separated into electrons and protons. Suppose also that the protons are placed at the Earth's north pole and the electrons are placed at the south pole. What is the resulting compressional force on the Earth?

139. ## Math

An artist is painting a large mural comprised of different sizes squares. She wants to pain one magenta square that is as large as possible, but she only has one can of magenta paint. If the can of paint can cover 220 square feet, what is the side of the

140. ## English

English is a language of opportunity why bother teaching indigenous languages?

141. ## try,check,and revise

Carly and rob combined their Pokémon together. Now they have 42 Pokémon altogether. Carly had 4 more Pokémon than rob. How many Pokémon did Carly have?

How do we know which plate has an excess of electrons?

143. ## math

Suppose you have an extremely unfair coin: the probability of a head is 1/5, and the probability of a tail is 4/5. If you toss the coin 40 times, how many heads do you expect to see? A. 8 B. 6 C. 5 D. 4

144. ## Calculus I

The volume of a sphere is changing at a rate of 8pi cm/sec. What is the rate of change of its surface area when the radius is 1? (the volume of a sphere is given by V=4/3pir^3 and its surface area, by A=4pi r ^2).

145. ## Math

4^4x4^6 A.4^2 B.4^6 C.4^10 D.4^24 Help?

146. ## Chemistry

What is the pH of a 0.052 Mole solution of HCl?

147. ## chemistry

Liquid methanol (CH 3 OH) is used as an alternative fuel in truck engines. When a 0.150 g sample of methanol was burned in a calorimeter, open to the atmosphere, the temperature increased 1.52 ºC. The heat capacity of the calorimeter was 1.97 kJ / ºC.

148. ## Physics

A metal block of mass 1.840 kg is hanging from a string. The tension in the string is 9.972 N. The block is submerged in a beaker of fluid and is stationary. What is the magnitude and direction of the buoyant force acting on the block? Consider making a

149. ## math

Find the future value of an annuity if you invest \$200 quarterly for 20 years at 5% interest compounded quarterly.

Describe a sporting situation that has quadratic characteristics. Use key terms such as maximum or minimum, starting or ending points(ordered pairs), shape, vertex, etc. to explain why the situation could be considered to have quadratic characteristics. A

152. ## Integers

The sum of 6 consecutive integers is 171. Find the smallest of the integers

153. ## Math Help!

Multiply the following polynomials 1. 2a(a^2+4^a) A. 2a^2+6a^2 B. 2a^3+8a^2 C. 2a+6a D. 2a^3+6a^2 2. (3y)(3y-2) A. 9y^2-6 B. 9y^2+5y C. 9y^2+1 D. 9y^2-6y Not sure? I'm not asking anyone to give me the answer but I don't know how to do this.

154. ## Algebra

Michael's total weekly pay includes a base salary plus certain percent of his sales. The table below show Michael's sales for 4 weeks and his total weekly pay. This data represents a linear function. What is Michael's weekly base salary? Sales (x)week 1:

155. ## Pre calculus

A 100 foot tall antenna sits part way up a hill. The hill makes an angle to 12 degrees with the horizontal. In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by

156. ## Math

The peremiter of a garden of 110 inches with the width of 20 inches. What is the area of the garden? Please shoe me how to do this

157. ## Algebra

Zandile is 4 years older than Thoko.Four years ago the product of their ages was 165.find their present ages

158. ## Math question help!!

The teacher said that 1/3 of her class was absent. If there are 24 students in her class, how many were absent?

159. ## Trigonometry

An aircraft took off at an angle of 32 degrees. How far had it flown when it reached a (vertical) height of 1200m (nearest metre)?

160. ## MathTim has a picture frame that is 30 centimeters

Tim has a picture frame that is 30 centimeters long and 24 centimeters wide he wants to make a picture frame that is similar in shape but is 18 centimeters long how wide should the second picture frame be

161. ## chemistry

calculate the PH at the 60ml of .200M aniline (kb=3.2x10^-6) with .200M HNO3 solution before acid is added after 0,19,70 ml of HNO3

Find the inverse of the function y = (square root x) + 4x , then solve for its 1st order derivative.

163. ## Pre calculus

In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by 2 cables.The distance from the base of the antenna to the down point DOWN hill is 95 feet. Ignore the amount

164. ## geography

a person could be fined up to 1000 dollars or be imprisoned for breaking the law stated in the _________.

165. ## word problems

The revenue R from selling x number of phone widgets is given by R = 32 x R=32x, and the cost C of producing those widgets is given by C = 22 x + 1830 C=22x+1830. Find the number of widgets it requires to break even.

166. ## algebra

find the amount of an annuity that consists of 22 monthly payments of \$800 each into an account that pays 2% interest per year, compounded monthly.

167. ## chemistry

A sample of silicon absorbs 14.9 J of heat, upon which the temperature of the sample increases from 21.5°C to 28.5°C. If the specific heat of silicon is 0.710 J g -1 K -1 , what is the mass (in grams) of the sample?

168. ## Algebra

1.A student is 6 times younger than her teacher.Three years ago the product of their ages was 36.Find their present ages .

169. ## PHYSICS Momentum!! Collision HELP

A ball A of mass .202 kg is moving at a velocity of 2.0 m/s toward a ball B that is at rest. (a) Calculate the initial momentum for Ball A and Ball B. (b) Calculate initial Kinetic energy for Ball A and Ball B. My doubt since its asking for initial moment

170. ## Geography

Is India a federal, unitary, or confederate government? I think they are federal

171. ## Algebra

Solve the following quadratic equation by completing the square. Simplify the solutions and rationalize denominators, if necessary. x2 + 6x − 17 = 0

172. ## maTH

The owner of Campus Cafe plans to open a second location on a satellite campus in 5yrs. She buys an annuity that pays 10.5% interest compounded annually A. If the payment is \$4000 a year, find the future value of the annuity in 5yrs. B. How much more

173. ## Physics

A spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.054 kg, the spring is compressed 7.00 cm, the gun is fully loaded, and the force required is 70.0 N. a) Calculate the work required to load the gun.

174. ## finance

Find the future value of an annuity when payment is \$4000.00 annually, interest is 0.5% compounded annually and he term is 5 years.

175. ## CONSUMER MATH

The owner of Campus Cafe plans to open a second location on a satellite campus in 5yrs. She buys an annuity that pays 10.5% interest compounded annually A. If the payment is \$4000 a year, find the future value of the annuity in 5yrs. B. How much more

176. ## math

The owner of Campus Cafe plans to open a second location on a satellite campus in 5yrs. She buys an annuity that pays 10.5% interest compounded annually A. If the payment is \$4000 a year, find the future value of the annuity in 5yrs. B. How much more

asked by I have a test tomorrow
177. ## AP Physics

Point A is 2.0 meters away from a charge of -3.o(Mu) and 3.0 meters away from a charge of +1.5(Mu) as shown. A) Find the net Electric field at point A B) Find the total electric potential at point A.

178. ## English

Which Of The Following Is Correct; 1.If I Was You Reed 2.If I Were You Reed

179. ## Math

Raquel's pay stub has three deductions. What is the total amount of deductions? Round to nearest cent. Gross Pay(wages) is \$1625.35 Medicare is \$22.48 Social Security is \$52.72 Federal Withholding Income Tax (23%) Please show me how to work do this

180. ## physics

An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having plate area of 20cm^2 plates being separated by dielectric 0.1mm thick with E=2.5. If the potential difference across an condenser

181. ## Math 142 (Pre-Cal) (Circles)

A wheel has a radius of 10 inches is rotating with an angular velocity of 2.5 revolutions per second. Find the distance the wheel travels in 15 seconds.

182. ## math

Find the constant c that makes the quadratic x^2 + 7x + c the square of a binomial.

183. ## Physics

A stone is short-cut from a catapult with an initial velocity of 20m/s atan elevation of 40.calculate the velocity of nove height

A parallel condenser of 0.8F is to be constructed using sheets of tin foil each 30cm.25cm and separated by a paraffin waxed paper 0.015cm thick of dielectric constant Find how many sheets of metals are required?

185. ## science

what will be the speed of a 5oo kilogram mass satellite if we apply 100N force on it after each second till 10 hours and the current velocity of this satellite is 16,800 miles per hour?

186. ## Chemistry

The chemistry problem is "How would you make 500.0 mL of a 3.00 M HCl solution form a stock solution that is 6.00 M?" I have no clue how to even approach this problem.

187. ## Chemistry

A 21.7 mL sample of 0.18 M KOH solution required 26.3 mL of aqueous acetic acid solu- tion in a titration experiment. Calculate the molarity of the acetic acid solution.

188. ## English- Ms.sue Helllppppppp

How are the poems of Lear and Nash alike? A. Both follow the same rhyme scheme each time. B. Both always focus on animals. C. Both occasionally contain made-up words. D. Both have varied lengths. I think D

189. ## Chemistry

You have a vinegar solution you believe to be 0.53 M. You are going to titrate 20.72 mL of it with a NaOH solution that you know to be 0.974 M. At what volume of added NaOH solution would you expect to see an end point?

190. ## math

what is the sum of the digits of the largest even 3 digit number which is not changed when its units and hundreds digit are interchanged

191. ## Math

The teacher said that 1/3 of her class was absent. If there are 24 students in her class, how many were absent?

192. ## English

If you were a young Lucius, what would you think about the events you’ve observed? How would you feel about Brutus?

193. ## Algebra

I do not understand this homework at all. Any help or elaboration would be greatly appreciated. Thanks. 100 juniors at Southwest High took the SAT test. The scores were distributed normally with a mean of 22 and a standard deviation of 3. Label the mean

194. ## physics

a 2.2 kg ball is dropped from 3m above vertical spring whose spring constant is 450 n/m. a) how far will it compress the spring? b.) what velocity will the ball have when it leaves the spring again?

195. ## Math

How much interest would be earned on \$24,664.64 if the owner invest the full amount into an annuity in a regular compounded -interest account with the term of 4 years .

196. ## physics

A mass oscillate with SHM of amplitude A and period T y = A cos (2πt/T). The kinetic energy of the mass is equal with twice the potential energy of the spring at :

197. ## math

The length of a rectangle is2cm more than its breadth ,and its perimeter is28 cm find the length and breadth of rectangle

198. ## A.P. Chem

Based on like dissolve like, determine if these compounds will be more soluble in water or an organic solvent. 1) Sodium Butyrate I think Water 2) Phenol I think organic 3) Aniline I think water 4) Sodium phenoxide I think water

199. ## College Physics

Construct & solve a problem involving a person swimming across a river which has a waterfall some distance downstream. Please help, I have no idea where to start.

200. ## Math/geometry

Two angles are complementary.the second angle has 6 more than three times the measure of degrees as the first one. Find the measure of each angle using an equation. Define your variables. I didn't get what the two variables should be... And how I'd write

201. ## Calculus Help Stuck Part 2?

Evaluate the lim a. lim x--> 64 (cube root x-4/x-64)

202. ## Math

I have a 24 gallon hot tub im filling it 5/8 with water how many gallons of water will be in hot tub??

203. ## physics

what will be the speed of a 500 kilogram moving satellite if we apply100N force on it after each second till 10 hours and current velocity of this satellite is 16,800 miles per hour?

204. ## Chemistry

What volume of a 5.0% (v/v) Acetic Acid solution will contain 40.mL of Acetic Acid?

205. ## In 2 minutes she can type 150 words.

How many words can Kendis types in 1,4,5 minutes if she can type 150 words in 2 minutes.

207. ## math

Find a negative real number such that the square of the sum of the number and 3 is equal to 25

208. ## Math

James wants to reserve a room at the party hall for his birthday. The deposit is \$175 and for 6 hours it cost \$625. What percent of the cost of the room is the deposit? Can someone show me how to work this problem out?

209. ## physics

An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having plate area of 20cm^2 plates being separated by dielectric 0.1mm thick with E=2.5. If the potential difference across an condenser

210. ## Chemistry

If 100ml of 1M NaOH solution is added to water make a solution of 1.5L, calculate its normality

211. ## Math

Write a 6 digit whose hundred thousands digit is the greatest digit, the ones digit is the least digits and the rest of the digits are zero. How to write in figure

212. ## Physics

A child is pushed down a slide from a height of 2.5m with a speed of 7m/s if his mass is 25kg and reaches the ground a speed of 5m/s calculate the coefficient of kinetic friction. Theta = 55 degrees

A library opens with a collection of 300 books. During the first week after the opening, an additional ten books are donated to the library’s collection. In each subsequent week, six more books are donated to the library’s collection than were donated

214. ## physics

If you launch a marble out of a launcher on a table with a given angle, and you know that range( distance it travelled) and time travelled ( if needed). The only force acting upon is gravity. How would you find the initial speed or velocity of the

215. ## Math

A bag contains 12 candies of which are blue . Two candies are chosen from the bag without replacement. What is the probability 1) both are blue 2) atleast one is blue

216. ## Chemistry

How do I calculate the heat released by 1 mole MgO Given: 0.5 g of MgO Heat gained by acid is 1337.6 kJ I calculated the moles for MgO which I got 0.0125 I'm not sure if I'm on the right track..

217. ## History

as a result of the punic wars, rome's navy became? can someone give me something besides a wikipedia because I already read those

218. ## Math

Richard purchased a car for \$39,905. He made a downpayment of \$15,000 and paid \$614 monthly for 4 years. Find the APR. Richard was able to payoff the loan at the end of 30 months. Using the Actuarial method find he unearned interest, and payoff amount

219. ## Chem

How do I calculate the heat released by 1 mole MgO Given: 0.5 g of MgO Heat gained by acid is 1337.6 kJ I calculated the moles for MgO which I got 0.0125 I'm not sure if I'm on the right track...

220. ## Math

How many 1/2 sq ft tiles to cover a desk that is 5 1/2 ft long and 3 1/2 ft wide?

221. ## Math🙄

Christie rode 24 blocks in one hour. How many blocks could she ride in 2 1/4 hours?

222. ## Math

You had 2/3 gallon of milk. Your family used 1/2 gallon. How much milk is left?

223. ## Biology

Why do the nuclei of the human white blood cells turn blue in a prepared blood slide?

224. ## Geography

What are some local groups of India?

225. ## Intesive Study

What Is The Nigerian Food Which Is Made From Grinded Yams Called?

226. ## Algebra

One crew can frame a single story house in 7 days, while a second crew can do it in 5 days. how long will it take to frame a single house if the second crew arrived 2 days after the first. Im having problems setting it up with the 2 days after the first

227. ## Maths Ms sue

A library opens with a collection of 300 books. During the first week after the opening, an additional ten books are donated to the library’s collection. In each subsequent week, six more books are donated to the library’s collection than were donated

228. ## Math Help!

Simplify the expression 7^9/7^3 A. 7^3 B. 7^6 C. 7^12 D. 1^6 Help?

229. ## Math

A bag contains 12 candies of which 3 are blue . Two candies are chosen from the bag without replacement. What is the probability ° both are blue? ° at least one is blue?

230. ## math

Find all points (x,y) that are 13 units away from the point (2,7) and that lie on the line x - 2y = 10. Give your answer as a list of points separated by semicolons, with the points ordered such that their x-coordinates are in increasing order. So "(1,-3);

231. ## finance math

Richard purchased a car for \$39,905. He made a downpayment of \$15,000 and paid \$614 monthly for 45 years. Find the APR. Richard was able to payoff the loan at the end of 30 months. Using the Actuarial method find he unearned interest, and payoff amount. My

232. ## try,check,and revise

there are 27 students in the party than 3x the students come how many are there?

233. ## Science

The speed of a bycyle reduce from 20 m/s to 4 m/s after travelling 80m .calculate

234. ## Linear Algebra

W= [ a , a+b ] (2x2 matrix) [a-b , b ] a, b are element of R Show that W is a Subspace of M22?

235. ## Maxima and minima Application

Find the maxima and minima coordinates of the vertext of the parabola of y= x^2-8x+1

236. ## World History

What impact / effect does genocide have on society today?

237. ## Math

What is 976 2times as many as the. Number

239. ## english

What is needed before or after the date listed below, a dash or a parentheses or is it correct? I think parentheses because it is loosely related to the sentence? During the Civil War 1861-1865, however, Barton performed another important national service.

240. ## Algebra

Two square tiles have a total surface area of 40cm2.one tile is 4cm longer each way than the other.find the dimensions of the two tiles

241. ## math polynomials

(3x + 4)(x – 2) how do I solve this?

242. ## math

how do you do 2 divide by 1/4

243. ## health

if i post my answer wil anyone help?

244. ## Math

James wants to reserve a room at the party hall for his birthday. The deposit is \$175 and for 6 hours it cost \$625. What percent of the cost of the room is the deposit?

245. ## Math

Find the smallest value of x such that x^2+6x + 9 = 24.

246. ## math

Simplify (1-2i)(1-i)(1+i)(1+2i). Thank you!