# Questions Asked onJanuary 17, 2017

1. ## DPS ( Math)

Student of standard X to plant 300 trees in a rows, to form an isosceles triangle. The number of trees in the successive rows increasing by one from the starts by 1 tree to the base. How many trees the student have to plant in the row which forms the base

2. ## physics

Find the power delivered to an element at t=3 ms if the current entering its positive terminal is i=5cos60πt A and the voltage is V=3 di/dt

3. ## Math

The sides of two squares are 4cm and 6cm. Find the ratio of their areas and their perimeters.

4. ## math

the flight path of a firework is modelled by the function h(t)=-5(t-5)^2+127

5. ## maths

The width of a rectangular painting is 3inches more than twice the height .It is frames in a 2.5inches wide frames. what is the expression for the combined are of the painting and frame? Factorise the expression if it is possible..

6. ## English

What Does The Snail Usually Stick Itself To ?

7. ## physics

A high-jumper, having just cleared the bar, lands on an air mattress and comes to rest. Had she landed directly on the hard ground, her stopping time would have been much shorter. Using the impulse-momentum theorem as your guide, determine which one of the

8. ## math

A sales man bought some plates at 50naira each if he sold all of them for 600naira and make a profit of 20% from transaction how many plates did he buy

9. ## math

from the top of a vertical mast 150m high,two huts on the same ground level are observed. One due east and the other due west of the mast. Their angles of depression are 60° and 45° respectively. Find the distance between the huts. Solutuons with diagram

10. ## English

Description: does anyone has teas 6, the new version , passage about new York central park, earth cousin, or time management , if i anyone has it let me know am willing to pay anything for it

11. ## science(physics)

Why a minibus is more likely to topple over when the roof rack is heavily loaded than when the roof rack is empty?

12. ## Physics

A stone of mass 50g is accelerated from a catapult to a speed of 8.0 ms-1 from rest over a distance of 30 cm. What average force is applied by the rubber of the catapult ?

13. ## riddle

Its new and old at the same time

14. ## Math (Semicircle)(Pre-calc)

goo.gl/photos/e6Ks3v4Qqj177Nun6 The graph below is made from two semicircles. The domain of the function in the graph is [−8,8] [-8,8] . Find a piecewise formula for the function f(x) f(x). Help please, I already on my last attempt and any help is

15. ## Algebra

The length of a rectangle is nine more than the width. If the perimter of the rectangle is 62​ feet,what are the length and​ width?

16. ## chemistry

The following unbalanced equation describes the reaction that can occur when lead (II) sulfide reacts with oxygen gas to produce lead (II) oxide and sulfur dioxide gas: PbS + O2  PbO + SO2. all i need help on is explaination of the electron transfers

17. ## Math

I don't understand this. on a blueprint, the length of a wall is 5 centimeters. if the actual length of the wall is 15 feet, what is the scale of the blueprint?

18. ## physics

A 53.8-kg skater is standing at rest in front of a wall. By pushing against the wall she propels herself backward with a velocity of -1.33 m/s. Her hands are in contact with the wall for 0.960 s. Ignore friction and wind resistance. Find the average force

19. ## physics

A coin is placed 14.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 31.0 rpm (revolutions per minute) is reached, at which point the

20. ## math

Find the number of terms in an AP given that its first and last terms are A and 37A respectively and that its common difference is 4A?

At the beginning of the year,40% of the pupils in the art club were boys.in the middle of the year 25% of the girls left but 8 more boys joined the art club.the number of members became 42.find the total numbers of art club members at the beginning of the

22. ## Language Arts

I have a few questions I need help with; I have more, but I can wait on those ones. 8. Read the following sentences from “First Confession.” Then, to crown my misfortunes, I had to make my first confession and Communion. It was an old woman called Ryan

23. ## Language Arts

I just have 3 questions I need help on! Here they are! 22. Read the following lines from “Africa.” Africa my Africa Africa of proud warriors in ancestral savannahs Africa of whom my grandmother sings On the banks of the distant river I have never known

24. ## Pre-Cal

Write the standard equation of the ellipse: 1. F1 (-4,0) and F2 (4,0), passing through (4,1)

25. ## physics

In a science fiction novel two enemies, Bonzo and Ender, are fighting in outer spce. From stationary positions, they push against each other. Bonzo flies off with a velocity of +1.7 m/s, while Ender recoils with a velocity of -3.3 m/s. Determine the ratio

26. ## Using Words Correctly

Decide whether the vocabulary word has been used correctly in the sentence. Write correct for correct use and Incorrect for incorrect use. 1. The employee's unseemly behavior helped him to receive a promotion.

27. ## English

Who Had A Quarrel With The Squirrel ?

28. ## Algebra

One number exceeds another by 4. If three times the larger number is divided by the smaller number, the quotient is 4 and the remainder is 5. Find the numbers. (I am trying to figure out how to explain how to do this to my son. He is struggling and will be

29. ## math

Mrs. Kong uses 1/3 of a stick of butter in a pie. She uses 5/8 of the remaining butter in a cake. What fraction of the stick of butter is left

30. ## Physics- Free Body Diagram; Truss with Pin Joint

The picture shows a two-dimensional free body diagram of a truss with a pin joint at one end. The free body diagram at the pin joint should show a. no forces at the joint b. only parallel force component c. only perpendicular force component d. both

31. ## Maths

The area of rhombus is 148.8 square cm.if one of its diagonal is 19.2 cm,find the length of the other diagonals.

32. ## Physics

The picture shows a two-dimensional free body diagram of a truss with a pin joint at one end. The free body diagram at the pin joint should show: a. no forces at the joint b. only parallel force component c. only perpendicular force component d. both

33. ## Algebra 2

How many different four digit numbers can be made using the digits 1, 2, 3, 4, 5, 6. If no number can be used more than once.

34. ## physics

Place a coin on top of a sheet of paper on a desk or table. Pull the paper horizontally with a quick snap. What concept of physics does this illustrate?

35. ## chem

magnesium hydroxide is added to hydroiodic acid to form maagnesium iodide and water

36. ## physics

Two arrows are fired simultaneously with the same speed of 30.0 m/s. Each arrow has a mass of 0.100 kg. One is fired due east and the other due south. What is the magnitude of the total momentum of this two-arrow system?

37. ## chem

Hydrogen + chlorine form hydrogen cloride gas Balance it

38. ## Math

Mr.Rivas bought a can of paint.He used 3/8 of it to paint a bookshelf. He used 1/4 of it to paint a wagon. He used some of it to paint a birdhouse and has 1/8 of paint left. How much did he use for the birdhouse

What effect does Phillip’s return have on his family? 1. Phillip’s mother continues to worry about the safety of her family. 2.Phillip’s parents listen to him but are unable to relate to his experiences on the cay. 3.Phillip’s father leaves his job

asked by Help I need somebody not just anybody

Which answer describes the transformation of g(x)=log4(x−2)+4 from the parent function f(x)=log4x? It is the graph of f(x) shifted 2 units right and 4 units up. It is the graph of f(x) shifted 2 units left and 4 units down. It is the graph of f(x)

41. ## Just checking Math-Absolute Value

The equation for "the distance from x to -4 is less than 12" is |x-4|

42. ## math

Please help!!!!! You earn \$240 for your first paycheck. You pay 22% of it in taxes. You decide to put 40% of the remaining money into savings. How much money will you have left to spend? -The amount you pay in taxes is? -The remaining after taxes is?

43. ## Data analysis statistics and probability

6. If the average temperature in February was 55°F arch was 64°F April was 74°F, and Ma was 85°F men which month had the smallest gain in average temperature over the previous month? A. February B. March C. April D. May

44. ## math

At the end of a journey 7/9 of the fuel tank of a car had been used and the remaining was 14 litres. How much fuel was in the tank at the beginning of the journey.

45. ## Chemistry

why homemade ice cream normally weighs twice the amount of commercially made ice cream

46. ## math

Two number are in the ratio 4:7 if the smallest is 36 what is the largest number?

47. ## Math

150 people in a room. There were 4 times more women than men in the room. How many women were in the room?

48. ## mathematics

masaki had tsh328500 in crdb bank how much money did he have in total

49. ## Calculus (Sequences)

Hello, here is a picture of the question I am trying to solve, I believe the answer to be C, but I would just like some confirmation/correction. goo. gl/gWfhVn

50. ## Maths factorise

Factorise 3px-3py-x+y

51. ## math

what is the possible number of outcomes in choosing a book to read from 7 fiction and 9 non fiction books?

52. ## Math- Inequalities

Hey, how would I start off solving (x-5)(x+2)

53. ## math

does anyone have some of the answers of at least know some of the answers for the algebra 1 a part 1 semester exam

54. ## Biology

I have a question on plant science, wondering where I can get the answer..

55. ## Math

How many cc of a 20% solution of a sulfuric acid must be mixed with 100 coffee a 50% solution to make a 25% solution of sulfuric acid

56. ## History

If The British Government Could Do It Over Again The British governing policy of salutary neglect gave the young colonial governments a chance to "experiment" with their own self-governance. Gaining confidence in their abilities to rule the people without

57. ## math

How much pure acid must be added to 2 liters of a 10% solution of acid to obtain a mixture that is 20% acid?

58. ## math

justin spends 7/9 of his homework time on math and social studies. He spends 4/7 of this time on math. What fraction of the total time does he spend on social studies?

59. ## Math

If 4 balls out of 6 reach the boundary in a cricket match then the average number of balls reaching the boundary in selected 10 overs of the match?

60. ## math

arctan(y)=x+c To solve for y, would it just be: y=tan(x+c)?

61. ## math

Ben sells 7/12 of the pottery he made. Of the remaking pottery, 3/5 are vases and the rest are bowls. What fraction of all the pottery is the unsold bowls?

62. ## Mathematical Induction

I have been given that a1 = 1 and an+1 = 1/3*(an + 4). In order to prove that this sequence is monotonous, what is the second step of mathematical induction? If my explaining of the question is unclear, here is a picture of the question and the possible

63. ## Math

If there are 24 students in the classroom and 3/6 are boys. How many boys are in the class

64. ## Physics- Newton's Laws of Motion Works Best When?

Newton's laws of motion work best for objects under which conditions. a. very slow and fast moving. b. very large and slow moving. c. very small and slow moving. d. very large and fast moving.

65. ## Physics- Magnetic Field inside of coil

Current flows through the wire coil in the direction shown by the arrows. What is the direction of the magnetic field inside the coil? (Image shows arrow pointing up into the right side of the coil and pointing down at the left side of the coil) a. upward

66. ## social studies

The golden age of culture came during which empire? A.Roman B.Persian C.Gupta D.Mauryan

67. ## Math

Can someone please help me with my open needed question Solve the system by substitution -X-y-z= -8 -4+4y+5z =7 2X+2z= 4

68. ## Physics

Based on the data from both experiments, predict how the angle of slip might change as the weight of the block increases. a. The angle of slip has no correlation to the weight of the block b. As the weight of the block increases, the angle of slip will

69. ## math

there are 32 students 12% got an A.How many of them got A's.i need help converting this percentage to a whole number please help

70. ## Maths

A boy is standing 25 ft away from a street light that is 20 ft tall.How tall is he if his shadow is 5 ft long?

71. ## Physics

A father and son were both pulling a red wagon at a magnitude of 61 lbs. at 139 degrees . The son pulled at a magnitude of 22 lbs. What was the magnitude of the fathers force ( component vector ?

72. ## Physics

Newton's laws of motion work best for objects under which conditions. a. very slow and fast moving. b. very large and slow moving. c. very small and slow moving. d. very large and fast moving.

73. ## science

what should soil have to suit animals which live in soil?why are these things important?hence, infer which type of soil is most suitable for soil living-things ?

74. ## English

I need help coming up with 3 supporting sentences for the following sentences. 1. My poor study habits are ruining my self-confience. 2. My poor study habits are destroying my hopes for a college scholarship.

75. ## Algebra 2

The braking distance of a car varies directly as the square of the speed. If braking distance of a certain car is 49 feet at 30 mph, find the approximate braking distance at 65 mph

76. ## Math

A cart full of packages weighing 180 pounds is rolling down a ramp 12 feet long at an incline of 25° (the force applied by gravity is equal to the weight of the package). Find the work done by gravity as the cart moves the length of the ramp. Assume that

77. ## U.S history

what are the powers of Maryland General Assembly and Baltimore city council.

78. ## English

Thinking of events of the day mubashir walked have slowly

79. ## English

Is the sentence "They perform many tasks" transitive

80. ## Algebra 2

A 10 person student council will be selected from 18 students at a school. How many poss are there for this council?

81. ## Writing Skills

The call number of the book that you're looking for is R865.2. What do you know about the book based on this information? A. It's a book of or about Roman literature. B. It's a book about medicine. C. It's a reference book. D. It's a book that can be

82. ## Math

the perimeter of a rectangle is 108 cm. if the length of the rectangle is 5 tikes the width what are the demensions of the rectangle

83. ## Math

An oil spill spreads 25 square meters every 1/6 of an hour. How much area does the oil spill in two hours?

84. ## Maths

Kim averages 3km/l in 1 hour in her wheelchair. How many kilometres can her wheelchair travel in 20 minutes?

85. ## Physics

An auditorium measures 43.0m × 18.0m × 15.0m. The density of air is 1.20 kg/m3. What is the volume of the room in cubic feet? (Do not input units. Note that 1m = 3.28ft) My Answer 43x18x15 = 11,610 m^3 11,610m3 * 3.28ft m = 38,080.8 ft When I used this

86. ## Science

What is the function that makes hair stand up

87. ## Language Arts

I am doing an essay question, and I just wondered if someone would answer a simple question, of wether they think that the story "Marriage is a private affair" shows external conflict. I beleive it does because external conflict is physical, and comes from

88. ## Calculus algebra review

((1/2+h) -(1/2)) / h found LCD of numerator ((2)-(2+h)/2(2+h))/h is it 1

89. ## Math

need help in FRACTION 1. (5 1/2 + 2 3/4) - 3 1/2 (11/2 + 11/4) -3 1/2 (66/8)-3 1/2 (33/4 - 9/2) 15/4 = 3 3/4 IS IT CORRECT

90. ## Math

To get to her friend's house, Sandra walked along the sidewalk in her neighborhood. If she walked 100 yards at a direction of 45° northeast and then turned to walk 400 yards straight east, how many yards and in what direction would she need to walk if she

91. ## Maths

Construct a parallelogram ABCD with AB=6cm,CD=4.5cm,and BD=7.5cm.

92. ## math

Does the equation y+4 = 0 have a slope and why or why not?

93. ## Math

A line has parametric equations x=7t-2 and y=-4+3t. What is the slope of the line representing the direct relationship between x and y?

94. ## math

You have 10.0 ml of a 5.0% NaCl solution. To this you add 5.00ml of a 2.0% NaCl solution. What is the molarity of NaCl in this final mixture?

95. ## Pre calc

Evaluate the expression given that cosine a=4/5 with 0

96. ## physics

The hail comes straight down at a mass rate of m/Δt=0.0690 kg/s and an initial velocity of v0= -15.0 m/s. Suppose that the hail described there bounces off the roof of the car with a velocity of +14.0 m/s. Ignoring the weight of the hailstones, calculate

97. ## english

is there a predicate pronoun in this sentence?You must have strength.

98. ## Art

Which style of art is often described as a comic book style? A. Cubism B. Fauvism C. Op Art D. Pop Art ••• D is my answer.

99. ## english

in each sentence is a Direct object, a predicate noun, or a predicate pronoun. underline ''direct object,''predicate noun or predicate pronoun. 1. Paul gave thanks for the bread. 2.The others also took meat. 3. We are 276 souls in God's care,''Paul said.

100. ## The Finish of Patsy Barnes

In the finish of Patsy Barnes which word best describes the city doctor's treatment of Eliza? A. Careless

101. ## physics

A 2.9-kg cart is rolling along a frictionless, horizontal track towards a 1.5-kg cart that is held initially at rest. The carts are loaded with strong magnets that cause them to attract one another. Thus, the speed of each cart increases. At a certain

102. ## Math

Shantanu's age is 3 years more than Tanya's age.The sum of their ages is 27 years.Find their ages.

103. ## Physics

Time taken by an object falling from rest to cover the heights of h1and h2 are respectively t1 and t2.then the ratios of t1 and t2 is

104. ## Math

Sam is hoisting an engine form a pickup truck he is fixing. He hands hoist using 3 rafters on ceiling. Measures the angle the hoist makes at the baseto be 85 degrees and the length across the of chain across rafters to be 80 inches. One length of chain

105. ## Algebra

Nico is saving money for his college education. He invests some money at 8% and \$1400 less then the amount at 7%. The investments produced a total of \$217 interst in one yeat. How much did he knvest at each rate? So far I have 0.08 (1400)(0.07)

106. ## Algebra

Violet used 1 3/4 gallons of paint on her kitchen wall.She used 4 times as much paint for her living room and bedroom walls. How much paint did Violet use for the living bedroom walls?

107. ## Math

Find the components of vector u with a magnitude of 10 and a direction angle of ∅=54° Help??

108. ## Algebra

Application of Distributive Property 7x68 After finding the product, write the result along with how you applied the distributive property.

109. ## Math (help if you know the full test)

1) Write a ratio and a percent for the shaded area. An image of a square divided evenly into 16 smaller squares is shown. 5 of the smaller squares are shaded grey. A) 1/5, 25% B) 5/16, 31.25 C) 1/4, 20% D) 1/4, 25%

110. ## Math

For an art exhibit, Craig has to choose 3 ceramic mugs out of the 7 that he made over the summer. In how many ways can he arrange these 3 mugs in a row?

111. ## Trigonometry

Find the magnitude and direction angle of v = -7i + 3j

112. ## phisycis

A coin is placed 14.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 31.0 rpm (revolutions per minute) is reached, at which point the

113. ## physics

An automobile that has a mass of 1.3 x 103 Kg, has 3.9 x 105 J of kinetic energy when it has speed of 24.6 m s-1 (88.6 km h-1). What height should you lift the car to have this energy?

114. ## physics

Hello, could anyone help with this excersise of Harmonic Motion? I have to show that a block of mass "m" that is attached at the top of a frictionless inclined plane using a string of "k" constant , performs simple harmonic motion... Well doing the the

115. ## Biology

Explain the meanings of Mendel’s principle of segregation and principle of independent assortment. Under what circumstances does the principle of independent assortment hold true? Give an example in which this law does not apply.

116. ## physics

determine the velocity of a charge that push by the 16 volts source

117. ## Algebra 2

(7x-2)^1/4+7=12, solve

118. ## Algebra 2

Write as a sqrt, 2^3/2 x^3/2 y^5/2

119. ## Algebra 2

Simplify, (2 sqrt3x^5 - 2sqrt y)^2

120. ## Chem

Solution rate inquiry lab: For class, we have to design our own lab given the info from class. My question is: Does the INTRO, HYPOTHESIS, PROCEDURE, & DATA CHART all make sense? I feel like I'm missing something or the hypothesis could be fixed or all the

121. ## social studies

(PLEASE HELP) from where did Islam spread? a. from India to Arabia b. From the persain empire to the arab emirates c. from macedonia with alexander the great d. from mecca and medina through arabia

122. ## Math

Store A offers a 60% discount. Store B has a sale for 2/3 off. Which store gives the greater discount? Explain.

123. ## Recursive Sequence and its Limit

I have been given the following info: a = 1, a = 3*a/6+a I plugged L in and ended up with the equation: L = 3*L/6+L, which I solved and got L = -3 for the limit. However, this answer is either only partially correct or close to the true answer. Any help is

124. ## Physics

a 4500 kg truck traveling at 17.5 m/s collides with a motionless 1350 kg car. they become locked together. if there is no friction, what is their velocity?

125. ## Algebra 2

Write in recursive form, an=3 a n-1 + 4, a1 =7, for n greater than or equal to 2

126. ## Algebra

Raj gets a 1.5 mile head start and runs at a rate of 4.5 miles per hour. Jacinda's progress is represented by a graph that goes through the points (1,10), (2,20), and (3,30). How long will Jacinda need to run to catch up with Raj?

127. ## Math

Becky used 5 teaspoons of mustard to make 32 ounces of potato salad how many teaspoons of mustard does she need to make 4 pounds of potato salad

128. ## Algebra

Application of Distributive Property 7x68 After finding the product, write the result along with how you applied the distributive property.

129. ## Cda

I NEED Two Source designed to assist teachers in constructively dealing with children with challenger behaviors(such as aggressive behavior like hitting or biting, or shyness

130. ## Math

Raj gets a 1.5 mile head start and runs at a rate of 4.5 miles per hour. Jacinda's progress is represented by a graph that goes through the points (1,10), (2,20), and (3,30). How long will Jacinda need to run to catch up with Raj?

131. ## sociol studies

Which of the following describes the early spread of Islam. A.Arab military conquest B. missionary work in Persia C.Mesopotamian trade**** d. greek and roman expansion.

132. ## ELA The Cay is the Book

Timothy most likely warns Phillip to avoid swimming in the water because 1.he sees sharks swimming very close to the shoreline. 2.he knows that there are moray eels living in the crevices. 3.German submarines may detect they are on the island. 4.the birds

asked by Help I need somebody not just anybody

Which of the following passages from the text best illustrates Phillip’s determination? A.Wondering what had caused the birds to attack me, I felt around in the sand. B.I realized then why he had used our rope sparingly; why he had made my guideline down

asked by Help I need somebody not just anybody
134. ## Algebra

I know the answer of x/x-2 + x-1/x + 1; but I do not know how to explain it in words. The answer is x = 0,1, when I solve for x.

135. ## algegra

would appreaciate very if someone help me in below unique question. thanks. 3 type of beans, whose prices per kg are respectively \$15m,\$25 and \$30 are to be taken 2 at a time and mixed in the same proportion so that the resulting mixture are of equal

136. ## Math

Sway has 3 red roses in her bouquet for every 5 yellow roses. The bouquet has two dozen red and yellow roses. How many are yellow roses?

137. ## Physics

What is the acceleration of an elevator if the mass of the elevator and occupants is 1200 kg and the tension in the cable is 10000 N? Which direction is the elevator going?

138. ## serial dilutions

label 5 tubes 1-5. Ad 1.50 ml of diluent to each tube. to the first tube, add 500 ul of 1.00 M glucose and mix. transfer 500 ul from the first tube to the second tube and mix. similarly, continue to transfer 500l from each of the remaining tubes to the

139. ## Science

28cm3 of a gas weighs 0.4g at STP.Calculate the molecular mass of the gas.

140. ## Basic algebra

jenelle makes \$7.25 an hour at the flower shop write an inequality to find out how many hours you was work to earn at least \$125 how do you want does the word step-by-step

141. ## math

6. You are given a sheet of cardboard that is 8.0 in. x 11.0 in. How many full circles with a diameter of 3.0 inches can you cut from the cardboard? What is the percentage of waste if the