# Questions Asked onApril 14, 2016

1. ## mathematics-combination vs A.P

if nC4 ,nC5 and nC6 are in arithemetic progression. then find value of n (Note, nC4=n combination 4) please show workings #thanks

2. ## Algebra

What were the headlines after a 3 foot 10 inch fortuneteller escaped from jail? Its an inequality equation like 3(2x + 5)=39 and 11(4-6y) + 5(13y+ 1)=9. Please Help Me with this!

3. ## calculus

A 5.5 foot tall woman walks at 6ft/s torward a street light that is 16.5 ft above the ground. what is the rate of change of the length of her shadow when she is 14ft from the street light? At what rate is the tip of her shadow moving? How do I get the

4. ## Romeo and Juliet

Which of the following quotes spoken by Friar Lawrence shows the strongest example of how he advances the plot of the course of Romeo and Juliet? a. "God pardon sin! wast thou with Rosaline?" b. "Hence from Verona art thou banished; Be patient, for the

5. ## Romeo and Juliet

What does scourge mean as it is used in the following lines from Act V, Scene 3 of Romeo and Juliet? Prince: This letter doth make good the friar's words, Their course of love, the tidings of her death: And here he writes that he did buy a poison Of a poor

6. ## Polynomials

Suppose you earned 6t + 2 dollars on Monday and 9t – 6 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point) 15t – 4 15t + 8 –3t – 4 –3t + 8

7. ## Math - Help!

Which number is an irrational number? a. 0.12 b. 0.1257486… *** c. 0.12121212… d. 0.111111…

8. ## Math - Please check!

1. Find the circumference of a circle with a diameter of 11 cm to the nearest hundredth. Measurement formula C = pi x diameter a. 34.54 cm *** b. 17.27 cm c. 5.5 cm d. 33 cm 2. Which of the following is an irrational number? a. square root 144 b. 0.25 c.

9. ## Romeo and Juliet

What event do Benvolio's lines from the opening of Act III, Scene 1 of Romeo and Juliet, hint at, or foreshadow? And, if we meet, we shall not 'scape a brawl, For now, these hot days, is the mad blood stirring. a. the conversation the young men have later

10. ## Romeo and Juliet

Which word means the same as valiant is used in these lines from Act I, Scene 3 of Romeo and Juliet? Lady Capulet: Well, think of marriage now: younger than you, Here in Verona, ladies of esteem, Are made already mothers: by my count I was your mother much

11. ## Romeo and Juliet

What does semblance mean as it is used in the following lines from Act I, Scene 5 of Romeo and Juliet? Capulet: Content thee, gentle coz, let him alone, He bears him like a portly gentleman; And, to say truth, Verona brags of him To be a virtuous and

12. ## math

Martene got a small aquarium for her birthday. The aquarium is a right rectangular prism 18.5 cm long and 15cm wide.Martene put 3885 cm of water in the aquarium. How deep is the water in the aquarium?

13. ## algebra

There are many measurements of the human body that are positively correlated. For example, the length of one's forearm (measured from elbow to wrist) is approximately the same length as the foot (measured from heel to toe). They are positively correlated

14. ## Romeo and Juliet

What can readers infer from the following quote from Act V, Scene 3 of Romeo and Juliet? Montague: O thou untaught! what manners is in this, To press before thy father to a grave? a. Montague believes that sons who act disobediently die early deaths b.

15. ## Chemistry

How many (a) calcium ions and how many (b) nitride ions are there in 1.00 mol Ca3N2?

16. ## Polynomials

For questions 5 and 6, add or subtract. 5. (m^2 – m + 3) + (m – 1) m^2– m – 2 m^2 + 2 m^2 – 2 m^2 + m + 2 6. (4x^2 – 2x – 1) – (–3x^3 + 2) -3x^3 + 4x^2 – 2x + 1 –3x^3 + 4x^2 – 2x – 3 3x^3 + 4x^2 – 2x + 1 3x^3 + 4x^2 – 2x – 3

17. ## life orientation

make six suggestions on how to combat the violations of human rights identified by you in the previous questions and indicates any organisation you have come about in your research and indicates how they combat the human rights violations or

18. ## Social Studies

In Athens the system of government became a direct democracy, in which the people participated directly in government. In the Roman republic, citizens participated in government A.in the identical way B.through meetings held in the marketplace C.by taking

19. ## i really need help with science pls help

One student made the incomplete diagram shown below to represent the relationship between magma, igneous rocks, and metamorphic rocks. Individual labels for Magma, Igneous rocks, and Metamorphic rocks set up in a triangular shaped diagram. Which of these

20. ## chemistry

Write and balance the equation for the reaction between nitric acid and potassium iodide. The products are potassium nitrate, iodine, nitrogen monoxide, and water. 2HNO3 + KI = KNO3 + I + 2NO + H2O (Did I write the equation correctly?)

21. ## Social Studies

Why did improvements in agriculture lead to the growth of cities? A.The cleared forest to spread out more B.They used oxen to plow the fields so horse can be used more in cities C.Less land was used for farming and thus be used to build up cities** D.The

22. ## Chemistry

Which reagent has been oxidized in the following equation ? H2(g) + N2(g) === NH3(g)

23. ## math

Find p such that px^2-12x+4=0 has only one solution. Thank you!!!

24. ## Stats - Help!!!

Two statements are given below. Select the statement for which a ratio of the measurements is meaningful. State “Neither” or “Both” if appropriate. 1 - Kasheta ran the race in 22.3 sec, and Louisa ran the same race in 26.4 sec. 2 - Juan gets out of

25. ## life orientation

critically discuss six ways that the human rights violations influence individual, groups and the broader south African community

26. ## i need help with science pls

PLEASE HELP ME! Uranium can supply energy for the world's electricity without emitting harmful greenhouse gases. Which of these statements best describes an outcome of uranium mining? a. The people living near the mines may suffer from diseases due to

27. ## Solid Mensuration 04/15/16

Given trinagle ABC whose sides are AB=15 in., AC=25 in., and BC=30 in. Form a point D on the side AB, a line DE i drawn to a pointE on side AC such that angle ADE is equal to angle ABC. If the perimeter of triangle ADE is 28 in., find the lengths of line

28. ## i really need help with science pls help

Two groups of scientists got different results while studying about the origin of the universe. Which of these statements is most likely true about the results of the two groups of scientists? They were not repeated and verified. They provide new testable

29. ## science help pls pls

Which statement best explains why the Big Bang Theory is the leading scientific explanation of the development of the universe over time? Its experiments reject all old theories on the origin of the universe. Its experiments yield different results every

30. ## Math Trig

use a double-angle formula to find the exact value of cos2u when sinu=5/13 , where pi/2

31. ## Math

Mary has 2/3 cup of chocolate chips. A cookie recipe calls for 1/2 cup of chocolate chips per batch. How many batches can bury make using all of her chocolate chips? Show your work and

32. ## Algebra

john is three times as old as Greg, and Greg is half the age of Bob, Steve is two times the age of John and Bob combined. if Steve's age is 60, how old is Greg's older cousin Jane, who is two years older than Greg?

33. ## Math

Kerry cut an 8ft board into 6 pieces that are equal in length represent the problem as a fraction

34. ## math

A bucket holds somewhere between 100 and150 liters of water. If we fill as many as 3 liters containers we will be left with 1 liter of water, similarly is the case with 4 liters container and 5 liters container then what is the capacity of bucket

35. ## Stats - Help!!!

Which is the best fertilizer for Mr. Jimenez’ backyard grass? Select the type of study most appropriate to the question. A. Experimental B. Experimental blinded C. Case-controlled observational D. Observational an:C

36. ## HISTORY HELP plsssssssss

Use the following statement from Jean-Jacques Rousseau to answer the question below: "Everything is good as it comes from the hands of the Maker of the world, but degenerates once it gets into the hands of man." —Public Domain Rousseau would have

37. ## science help pls pls

Infrared radiations are produced when a changing electric field creates a longitudinal wave parallel to it longitudinal wave perpendicular to it changing magnetic field parallel to it changing magnetic field perpendicular to it is it d pls help me

38. ## math

A table was sold for rs.2142at a gain of 5./..at wt price should it be sold to gain 10•\•

39. ## Ela

What does the word objectionable means in the following sentence? We'll meet tomorrow at noon, unless you find that objectionable. Appropriate, disagreeable, early, or unlikely.

What are the coefficients in the polynomial 5x² + 2x – 4? (1 point) 5, 2 –5, –2 5, 2, –4 5, –2, –4

41. ## physics

1- Describe an imaginary process that satisfies the first law but violates the second law of thermodynamics. 2-Describe an imaginary process that satisfies the second law but violates the first law of thermodynamics.

42. ## HUMAN DEVELOPMENT

The Seattle longitudinal study of cognitive development discovered that, among older people,

43. ## Chemistry

Which must be the same when comparing 1 mol of oxygen gas, O2, with 1 mol of carbon monoxide gas, CO?

44. ## Social Studies

What do the Samriddhi women plan to do with money they receive from future loans? A.Start a fruit-tree plantation B.Buy vans and trucks to mover their products to big cities. C. Invest in the indian stock market. D. Hire businessmen who can help them

asked by Senpai were all gunna die
45. ## maths plz help!!

A hose ejects water at 80cl/s through a hole 2mm in diameter.the water implinge a wall and drop off without rebounding.what is the force on the wall? working plz thanks

46. ## English

English is the language of opportunity. why bother to teach indigenous languages?

47. ## Math

an airplane is flying with an airspeed of 145 mph and a heading of 84.5 degrees. q wind of 24.6 omh is blowing at a heading of 68.4 degrees. find the ground speed and course of airplane

48. ## Stats - Help!!!

One month before a recall election, a poll of 500 Wisconsin voters showed that 46% planned to vote for the Democratic challenger Tom Barrett and 45% planned to vote for Republican Governor Scott Walker. Undecided voters constituted another 9%. The margin

49. ## Stats - Help!!!

A student wanted to know the favorite lunch at a large high school with a closed campus. What is the first step in conducting a statistical study to answer the question? A. Select a random sample of students. B. State the goal of the study precisely. C.

50. ## science

solubility product of Ca(OH)2at 25'C is 4.42*10^-5. A 500ml of saturatee solution of it is mixed with an equal volume of 0.4M NaOH .How muchb Ca(OH)2 PREcipited

51. ## Algebra

The length of time, t (in seconds), it takes the pendulum of a clock to swing through one complete cycle is a function of the length of the pendulum in feet. Defined by: t = f(L) = 2pi sqrt L/32 A.Rewrite the formula using fractional exponents. B.Determine

52. ## Stats - Help!!!

A U.S. government report stated that, “With bank interest rates around 1.0%, 8% of wage earners believe it worthwhile to keep money in a savings account. However, at 3.0% interest, 36% of wage earners believe it worthwhile to keep money in a savings

53. ## Geometry

Please Please HELP!!!! I need the answer to this and i've worked it out but I don't know if it is correct... Please check my answer!!!! The polygons are regular polygons. Find the area of the shaded region to the nearest tenth. I can't post a picture of it

54. ## Math

A farmer has 36 feet of fence to build a pigpen. He is going to use one of the sides of his barn as a side to the rectangular enclosure. Determine a function A that represents the total area of the enclosed region. What is the maximum area that can be

55. ## Math

Genny babysits for two different families. One family paints her \$6 an hour and a bonus of \$20 at the end of the night. The other family pays her \$3 every half hour and a bonus of \$25 at the end of the night. Write and solve the system of equations that

56. ## Physics

Organ pipe A, with both ends open, has a fundamental frequency of 225 Hz. The third harmonic of organ pipe B, with one end open, has the same frequency as the second harmonic of pipe A. How long are

Please Please HELP!!!! I need the answer to this and i've worked it out but I don't know if it is correct... Please check my answer!!!! The polygons are regular polygons. Find the area of the shaded region to the nearest tenth. I can't post a picture of it

58. ## Stats - Help!!!

A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss. She randomly assigns half of a group of overweight persons to a treatment group who are given the herb with instructions for its use and a planned diet

59. ## Chemistry

Complete and balance these half-equations. Express as net ionic eqn. 1.) Cr2O7(2−) → Cr(3+) (acidic solution) So far, I have: Cr2O7(2−) + 14H + 6e(-) →2Cr(3+) + 7H20 2.) C2O4(2−) → CO2 (acidic solution) Not sure how to do this one. Thank you.

60. ## Physics

A man pulls a crate of mass 61.0 kg across a level floor. He pulls with a force of 186.0 N at an angle of 22.0° above the horizontal. When the crate is moving, the frictional force between the floor and the crate has a magnitude of 120.0 N. If the crate

61. ## U.S. History (REED)(Check, Please!!!)

Write a paragraph on the similarities and differences of isolationism and internationalism. Then write another paragraph explaining the different reasons why the United States did not want to get involved with the problems of Europe (practice neutrality).

62. ## Stats - Help!!!

Determine which of the four levels of measurement is most appropriate for the statement below. Ages of survey respondents. A. Ratio B. Interval C. Ordinal D. Nominal an: B

63. ## HISTORY HELP plsssssssss

Use the following excerpt from John Locke's Second Treatise of Civil Government (1690) to answer the question below: "But though this be a state of liberty, yet it is not a state of licence: though man in that state have an uncontroulable liberty to

64. ## math

An ant has 6 legs and a Spider has 8 legs. In a insectarium display, there are some spiders and ants. From these spiders and ants, there are 60 legs altogether. how many spiders and ants could there be?

65. ## Chemistry

How many grams of NO2 are needed to form 100.0g of HNO3?

66. ## Math

Write the first trigonometric function in terms of the second for θ in the given quadrant. tan(θ), cos(θ); θ in Quadrant IV I believe to start this is 1/cos^2*theta. Am I write? If not, can you please help me?!

67. ## physics

2 point charges -9nC n 16nC are separated by distance 1m find the position along the line joining the charges on which the resultant electric intensity is zero

68. ## Calculus

From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x. f(x)=2x^2− 6x at x = 3

69. ## Geometry

A tabletop has the shape of a regular decagon with a radius of 9.5 inches. What is the area of the tabletop to the nearest square inch?

70. ## just dissapointed and not angry my hope was on these

oh! thank to these sweet jishka i was introduce to have been have sleepless night to that word problem i pleaded i beg,i am one of the best mathematics student at my university thank to jishka and the honourable tutor...i score 12/50 in that test i was not

71. ## Math

John can paint a room in 3 hours. His apprentice, working alone, requires 6 hours to do the same job. How long would it take John and his apprentice, working together, to paint the room if they continue to work at the given rates?

72. ## SS

How have geographic conditions in South Asia most impacted economic activities. A.Lack of arable land has made farming impossible. B.Difficult terrain has led people to rely on forest resources. C. Inadequate rainfall has encouraged people to develop

asked by Senpai were all gunna die
73. ## L.A.

Which sentence contains a participial phrase? A.She wanted to spend time writing. B.Her job is giving the attic dwellers their food. C.Quickly snatching up the coat, she ran to her room.***** D.To get along well requires cooperation. I think the answer is

74. ## math

How do i find the radius of s circle with the circumference of 272.2 inches? can anyone help

75. ## Math

The drama club is trying to raise \$1428. On the first day they sell 12 tickets. They sell 4 more each day. Each ticket costs \$3.50. Than how long is it going to take them to get to their goal?

76. ## Math

One alloy is 2 parts iron to 3 parts silver and another alloy is 7 parts iron to 3 parts silver. How much of each should be combined to produce a 30 pound alloy that is 1 part iron to 1 part silver?Please show me how to do this

77. ## History

What did leaders of Rhode Island believe would happen to religion if church and state were connected? A. Religion would become more powerful than government. B. Religion would grow at an alarming rate. C. Religion would become state-funded. D. Religion

78. ## life orientation

EVALUATE THE PHYSICAL,SOCIAL AND ECONOMIC CONSEQUENCES OF THIS CRIME TO THE OFFENDER.HOW DOES THIS CORRUPTION AND FRAUD IMPACT NEGATIVELY IN SOUTH AFRICA

79. ## English

What are the elements of the literary genres of suspense and horror? How is foreshadowing used to create suspense? What is an unreliable narrator? What are the characteristics of a stock character? What is the purpose of poetic devices such as assonance,

80. ## algebra

17. In the last basketball game, Kevin scored 2 less than a third of his team's points. Part A: Let n represent the number of points Kevin's team scored. Write an expression for the number of points Kevin scored. Part B: Kevin scored 14 points. How many

81. ## math

What is the minimum value of the expression 2x^2+3y^2+8x-24y+62 for real x and y?

82. ## Geometry

Find the radius of a right cone with a slant height of 22 and surface area of 168pi

83. ## Math

1. The lengths of the three sides of a triangle are given. Classify each triangle as acute, right, or obtuse. NUMBERS: 30, 40, 50. I'm confused by this question, could someone help/explain what it is asking.

84. ## social studies

What does the phrase “Remember the Alamo” refer to? Why this event is considered important to the histories of Texas and the United States?

85. ## Chemistry

How many moles of O2 must react with 0.550 mole ofMethanol?

86. ## physics

Two point charges of -86.5 mC and 36.3 mC are held fixed on an x axis at the origin and x = 24.4 cm, respectively. What are the magnitude and direction of the total electrostatic force on a third charge of 18.8 mC placed at (a) x = 48.8 cm (b) x = 97.6 cm

87. ## calcus

water partially fills a hemispherical bowl of radius 40cm so that the depth of the water is 20 cms. write down an integral representing the volume of the water in the bowl

88. ## Calculus

Find the volume of the solid generated by rotating the region 0

89. ## Chemistry

A metal whose threshold frequency is 1.10×1015 s−1 emits an electron with a velocity of 6.53×105 m/s when radiation of 1.37×1015 s−1 strikes the metal. What is the mass of the electron?

90. ## Science

Identify and describe the features found in the ocean basin floor

91. ## phy

A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.130 rad/s2. After making 2844 revolutions, its angular speed is 136 rad/s. (a) What is

92. ## Physics

An electron traveling at 7.00 x 10^6 m/s enters and passes through a parallel plate capacitor. determine the electric field generated by the capacitor. note that the electron just clears the corner of the positive plate. The distance of the parallel plate

93. ## Physics

A car (m = 610.0 kg) accelerates uniformly from rest up an inclined road which rises uniformly, to a height, h = 49.0 m. Find the average power the engine must deliver to reach a speed of 24.7 m/s at the top of the hill in 20.5 s(NEGLECT frictional losses:

94. ## Math

A person went shopping and spent 5/8 of his money in the first store and then spent 1/5 of the remainder in the second store. If he spent \$60 in the second store, how much did he have at the start and how much did he have left? I got a 240 but I am

95. ## maths

A car completes a trip in 20 minutes. for the first half of the trip the speed of the car was 100km/h and the speed for the second half of the trip was 90km/h. How far did the car travel (in km) if the distance for the first part is the same as the second

96. ## Educational Technology

'Scuse me, but I'd just like to check if my answer is right: 2. Which of the following is a true statement?: A. If it is printed or posted on the web, then it is a fact. B. Websites must go through a validity checker before they can be posted on the

97. ## math

ty needs to cut strips of wrapping paper that are 9 inches wide. if ty has 2 rolls of wrapping paper that are each 15 feet long,how many 9 inch strips can he cut?

98. ## Science

Do all organisms get the same amount of energy? Why or why not? I would think that organisms get different amounts of energy since some need more and others need less. Like a plant would need different amounts of energy from a bear. A plant would get more

99. ## math

What is used to support the steps of a geometric proof? a) evidence based on observation or experiment b) measurement and observation of many cases c) postulates, definitions, given statements, and proven theorems d) steps in a geometric proof do not

100. ## Chem 1410

How many moles of methane occupy a volume of 3.00 L at 55.0 degrees C and 0.600 atm? (R=o.o821 atm*L/mol*K)

101. ## Chemistry

How many grams of carbon dioxide ctsare produced when 78.0 grams of Methanol rea

102. ## Math

Name the lengths of the sides of three rectangles with perimeters of 12 units. use only whole numbers

103. ## science-college physics

Searches Related to 1. A mass of 20 kg is suspended at the end of a rubber cord of diameter 2.0 mm and length 100 cm. Find the period of vertical oscillations of the mass. [Take young’s modulus E, for the rubber = 2.0 x 108 Nm - 2

104. ## math

X1, X2,...,X9 are nine points on the circumference of circle O. Line segments are drawn connecting each pair of points. What is the largest number of different points inside the circle at which at least two of these line segments intersect? (Remember that

105. ## math

vernon spent \$229.06 for groceries , and paid for his purchase five 50.00 bills. what amount of change should he have received

106. ## math

in a school gym , 588 students were seated for an assembly in 21 equal rows. what number of students were stated in each row?

107. ## math

to get ready for her 1 semester of school, brie spent a total of 7.92 dollars for eight identical notebooks. what was the cost of each notebook?

108. ## Math

Samantha rides her bicycle 5 miles in 2 fifths of a hour at this rate how many miles could she ride in 2 hours

109. ## Math

A student cuts 1/3 of a coil of wire. He then cuts out another piece that was 8 meters long (I assume from the remaining coil). The two pieces of cut off wire are only half the total length of the wire. How long was the coil before the student cut it? I am

110. ## Pre-Calc

Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression logb(4) sqrt((x^7 y^2)/(z^4)) in terms of the logarithms x, y, and z.

111. ## Geometry

How do I find the radius of a right cone with a slant of 22 and surface area of 168pi m^2?

112. ## chemistry

Which of these elements has the electonic configuration of The energy absorbed or released when an electron is added to a gaseous atom is known as Which of these elements behave partly as an alkaline metal as well as a halogen element? Hydrogen can be

113. ## Math

At the grocery store Mr and Mrs Bailey bought 24 apples and 18 pears. Write a ratio in simplest form to compare apples to pears

114. ## Math

An explorer descends to the deepest part of a cave. Then she ascends 25 feet per minute. After 3 minutes, she is at -195 feet. What is the depth of the cave?

115. ## maths-simultaneous equation

(x+y)+(y+z)=5(x+y)(y+z) (x+z)+(y+z)=7(y+z)(x+z) (x+y)+(x+z)=6(z+x)(x+y) find xyz please show working

116. ## Math

What is the domain of the function below? f(x) = (x + 4)^2 - 4 A. (-infinity sign, -4] B. [-4, infinity sign) C. [0, infinity sign) D. (-infinity sign, infinity sign) I believe the answer is either A or B, can someone please help me?

117. ## life orientation

write a paragraph in which you put your conclusion argument around your choosen topic which is human rights discrimination

118. ## maths

I am two digit no above 50 . the sum of my digits is 12. And the difference of my digits is 4 .who am I

119. ## Physics

A car of mass 720 kg travels round a horizontal, semicircular racetrack of radius 200 m, at a constant speed of 48 km/h. What is the sideways component of the force exerted by the track on the car’s tyres?

120. ## physics

a 45N force is applied to a 9.6 kg object, what is the acceleration.

121. ## maths

ken has 4 times as much money as Jake. if Jake gave Ken £360 he would still have more money than Ken. whats the least money Ken will have?

122. ## Math

There are 10 purple, 5 yellow, 2 green, and 3 red jelly beans in a bowl. Write a sentence that explains how likely it is for a purple, red, or yellow to be chosen in one pick.

123. ## PHYSICS

During an X-ray examination, a person is exposed to radiation at a rate of 3.17×10-5 grays per second. The exposure time is 0.170 s, and the mass of the exposed tissue is 1.24 kg. Determine the energy absorbed.

124. ## math

Rewrite this formula using rational exponents. t = 2 pi sqrt 4/32 Thanks!!!

125. ## chemistry

What is the volume of 3.11×10 to the power 23. Molecules of NH3 at S.T.P

126. ## Math

Okay, Nicole has tiles that are the same size and shape. *The probability of selecting a red tile is 25% and, *The probability of selecting a green tile is 40%. What is the probability that Nicole will randomly select a tile that is green, replace it, and

127. ## Algebra

A basket holds no more than 50 pounds of material. Each gold coin weighs about 0.5 ounces and each silver coin weighs about 0.25 ounces.You want to know the different numbers of each type of coin that could be in the basket. Write an inequality that models

128. ## Chemistry

Find the % ionization if the pH of a 0.10 mol/L solution is 4.5

129. ## maths

a cube has a lenght of 16cmby12cm height of 10cm with angles z,q,p,w,s,v,r and x.find the angle between z,q and the base p,q,r,s,.2.the angle between zq and the vertical plane p,w,z,s to 1 decimal place.the angle between plane p,q,r,s and w,q,r,z to the

130. ## Math

A mixture of peanuts and walnuts sells for \$3 per pound. How many pounds of peanuts at \$1.50 per pound should be mixed with 12 pounds of walnuts at \$4 per pound

131. ## chemistry

given 0.0450 M ca(no3)2 and 0.0350 M fe(no3)2. when i separate them, which compound should be used? Na2co3(aq), Hcl(aq), or naoh(aq)? . and which will precipitate first? I went with hcl, and for question two, fe^2+

132. ## Exercise\workout

I have three questions if you please, can I take protein even if with no any workout? can I take amino acid pills in lower dose to meet some deficiencies ? and, can I take protein along with amino acids for bodybuilding ? Thank you so much

133. ## math

Ricky's Pizza Parlor has three different sizes of pizza: a large (15 in. round), a medium (13 in round), and a small (10 in. round). A single-topping large pizza sells for \$18. A single-topic medium pizza sells for \$15 and a single-topping small pizza

134. ## Statisitcs

How do I find the value of the mean, when I am only given the std dev of a normal distribution and a percentage of values greater than another value.

135. ## Writing/ Science

I need help formulating topics for an essay. Topic: Why is it important to learn about local energy programs. How will one benefit from it. Thank you

136. ## TAX

Is the 2014 NC state income tax refund includible in their 2015 income? Why or why not??

137. ## science

A torch bulb is marked with 2.4 volts and 0.75 A calculate the power dissipated

138. ## math

What's the interest rate for as loan of 150,000 euros for 10 years, with an interest payment of 22,000 euros?

139. ## algebra

What is, x+3y=1 -3×-3y=15 Can you show me the steps, confused?

140. ## science

What is the effect of temperature on viscosity of liquid s and why

141. ## math

using the concept of the walli's formula find the area bounded by the curve y=sinx and y=cosx from pi/4 to 5pi/4??

142. ## PHYSICS!!

After giving an intense performance, a confused and disoriented flautist has wandered onto the motorway! They are playing a constant 300Hz on their flute and are essentially stationary If you are driving along the motorway at 100 km/h(27.8 m/s). What is

143. ## maths simultaneous equation

(x+y)+(y+z)=5(x+y)(y+z) (x+z)+(y+z)=7(y+z)(x+z) (x+y)+(x+z)=6(z+x)(x+y) find xyz please show working

144. ## Maths- Calculus

The region R bounded by y=e^-x and y=0 and lying to the right x=0 is rotated about the y-axis

145. ## 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 Answer This Question

146. ## physics

a bob of mass m of a long pendulum of lengtg Lis at a horizontal position p.when released ,it hits a ball of mass m placed at a position Q.assume the collision to be elastic .after hitting the ball at Q,the bob will attain a height ?

147. ## Statistics

Can you create a anova chart on calories of 4 different brands of 7 different favor of theses 4 brands

148. ## Maths-equation

(x+y)+(y+z)=5(x+y)(y+z) (x+z)+(y+z)=7(x+z)(y+z) (x+y)+(x+z)=6(z+x)(x+y) plz can at least see the working and learn am studying maths on my own sir steve told me that x=5/24 y=7/24 z=1/24 but i don,t know how he got my paper is almst finish with that work

149. ## Physics

A car starts to move nd accelerated at 4m/s2 for 8 seconds (u=0 V=32m/s a=4 m/s2 t=8) How fast is it moving? How far does it travel in this time?

150. ## life orientation

Identify human rights violation or discrimination?

151. ## Math

An Arc of length 6 cm subtends a 80 degree angle in a circle. What is the radius of the circle? Also what is the area of that sector? What I have so far: S=R*80 degree S= R*4pi/9 6 cm= r* 4pi/9 R=6/4pi/9 R= 6*9/4pi R=54/4pi HELP!

152. ## organic chemistry

what is this molecule called, a cyclohexane ring with a CH2 group coming off of it? C7H14 Similar in structure to a benzyllic radical without the pi bonds.

asked by help me with naming
153. ## Maths Lit, Geography, English, LO, EGD, Afr.

I am very good at Geo and EGD. Because I didn't take Physical Science, I cannot get into varsity for any engineering degree courses. Can you make alternative career choices available that might include these two subjects?

154. ## Math

Is this answer correct? What percent of .45 is .0015? the answer I got was 0.33%

155. ## physics

A charged capacitor (AB) carries on its plate A a charge Q=-1.2mC a) What is the charge carried by plate B. b) Is the voltage U (AB)=V (A)-V (B) positive or negative. c) The plates A and B are connected to the terminals of a resistance R: the capacitor

156. ## math

what dose this mean when you divide a decimal number by a whole number your estimate is 3.4 identify 3 possible pairs of numbers you might have been dividing ?

157. ## English

What is it that is so special about english?

158. ## Question plz answer it!!!!

How many cities are in Florida?

160. ## Math

If the length of a rectangle is X and it's width is (X + 5) how does one determine it's area?

161. ## PHYSICS

A wave with a frequency of 90.0 Hz travels through steel with a wavelength of 3.46 m. What is the speed of this wave?

162. ## mathematics

If the magnitude of vector r is equal to B were vector r is equal to 12j+6j,find the value ofB

163. ## math

A homeowner is selecting a pool with a perimeter of 54 meter to place in his back gard. Find the perimeter of the pool If the dimensions are cut in half.

164. ## Math

Richard shot a homemade rocket from a field behind is house. The height of the rocket, in feet, t seconds after it left the ground is shown in the function below. r(t) = -30t + 390t What is the domain of the height function? A. (-infinity sign, infinity

165. ## math

7/8 of a pizza that have 12 slices how many left

166. ## Chem LAB

Write the net chemical equation for below equations H2O2 + 2I- + 2H+ -----> 2H2O + I2 2 S2O32- + I2 -----> 2I- + S4O62- How do you solve for this problem

167. ## Essay Help 2

What is a good song to write about in a compare and contrast essay? I chose Locked Away by R. City and Adam Levine. What's another one? Thank you :)

168. ## English

Is it possible for a man of normal colour vision to have a colour blind daughter?

170. ## science

calculate weight by volume for 0.8molal urea,density of solution is 1.14gram per ml

171. ## Algebra

-6y+8y^2+2/1+2y

172. ## life orientation

choose one law or legislation that will protect the individual against human rights violations

173. ## algeabra

what is x+7 divided by x-4

174. ## Chemistry

What is the molecular mass of a substance X if 1.00 L of a solution containing 4, 5 g of X has an osmolality of 0.337 mmHg the 30° C?

175. ## Algerba

Simply these expressions: 8n^2 - 6n + 7n^2 - 4n +5 and 6x^2y + 5y - x^2 + 3y - 6y

176. ## Precalculs

Consider the ellipse 4x^2+49y^2=36 I can figure the vertices is (3,0)(-3,0) I cannot figure out the foci Thanks