# Questions Asked onJanuary 12, 2017

1. ## algebra

It took Todd 11 hours to travel over pack ice from one town in the Arctic to another town 330 miles away. During the return journey, it took him 15 hours. Assume the pack ice was drifting at a constant rate, and that Todd’s snowmobile was traveling at a

2. ## physics

A car, starting from rest, accelerates in the +x direction as in the figure. It has a mass of 1.10 × 103 kg and maintains an acceleration of +4.40 m/s2 for 2.60 s. Assume that a single horizontal force (not shown) accelerates the vehicle. Determine the

3. ## physics

A simple U tube contains mrecury. When 13.6cm of water is poured in one arm caculate the rise of mercury in the other arm

4. ## Geometry

Find the distance CD rounded to the nearest tenth C =(10,-1) and D =(-6,3) CD = ?

5. ## Physics

pressure of a fluid. calculate the a.) absolute pressure b.) gauge pressure at an ocean depth of 1000m. Assume the density of a sea water is 1024 kg cubic meter and that the air above exerts a pressure of 101.3kPa

6. ## algebra

An inequality is shown below: −np − 3 ≥ 7(c − 4) Which of the following solves for n? n ≤ − the quantity 7 times c minus 31 all over p n ≤ − the quantity 7 times c minus 25 all over p---my choice n ≥ − the quantity 7 times c minus 31

7. ## Precalculus

Every point in the plane has exactly two polar coordinates. A)The statement is true because every point in the plane has a unique polar representation. B)The statement is false because left parenthesis r comma theta right parenthesis equals left

8. ## math

Let A = (0,0,0), B = (9,8,12), and C = (6,2,3). Find coordinates for the point on line AB that is closest to C.

9. ## physics

What mass of ice at -14°C will be needed to cool 200cm³ of an orange drink(essentially water) from 25°C to 10°C?

10. ## Science

lesson 9: energy and the environment unit test science 8 A Unit 4: Energy and the environment Please HELPPPPPP!!!!!!!

The population of a bacteria in a Petri dish doubles every 16 hours. The population of the bacteria is initially 500 organisms. How long will it take for the population of the bacteria to reach 800? Round your answer to the nearest tenth of an hour. 8.7 h

12. ## Math

Help me Bobpursley is dumb Serge invests \$700 at 5.75% per year, compounded quarterly. When the account is closed, its value will be \$950. How long will Serge’s money be invested?

13. ## Graphing in the coordinate plane unit test

SO behind need help pronto withGraphing in the coordinate plane unit test lesson 12 unit 7 tryed my self my mom tryed it brother u name it to hard for 7th grader and a striaght student like me no asking to cheat ms. Sue or whoever need answer ill be so

14. ## Math

What is 4/7 in words?

15. ## Pampers

A number is multiplied by 4 and 6 is subtracted from it . The result is the same as when the number is increased by 15. Find the number

16. ## Math

Kaya pasted 3 rows of photos on each of 5 pages of her scrapbook. She put 2 photos in each row. How many photos are in Kaya's scrapbook?

17. ## Math

Serge invests \$700 at 5.75% per year, compounded quarterly. When the account is closed, its value will be \$950. How long will Serge’s money be invested?

18. ## SS

Which of the following to the Supreme Court rule in Plessy versus Ferguson a the segregation to continue B the actions of the Ku Klux Klan members would be protected as free-speech C the freedom African-Americans have the right to vote D the black codes

asked by Hey ms.sur I need help
19. ## Science

Some people prefer to use herbal medicines how will you know if they actually work? Thanks.

20. ## Chemistry

0.001N NaoH calculate the ph

21. ## financial management

Data for Barry Computer Company and its industry averages follow: A. Calculate the indicated ratios for Barry. B. Construct and extend DuPont evaluation for both Barry and the industry. C. Outline Barry’s strengths and weaknesses as revealed by your

22. ## algebra

Simplify using long division.Show all work. (-72-4x^2+8x^3-36x)/(x-3) Also,please solve (8b^3-6)/(2b-1) I greatly appreciate your help.

24. ## math

For what values of r does the function y = erx satisfy the differential equation y'' − 6y' + 3y = 0?

25. ## Math

if I run the 400 meter dash in 14.5 seconds. What is my speed in meters per second

26. ## Physical science

two forces of 5N and 12N respectively act on the same point.show how you would determine the magnitude of the resultant by using the tail to head and tail to tail methods and Pythagoras theorem

27. ## MATH

I NEED HELP WITH MY LEAP MATH MIDTEST QUESTIONS STAT!

28. ## Physical Science

A step-up transformer has primary coil with 15 turns. How many turns would be required in the secondary coil to increase the voltage from 60 v to 160 v? 15 x=160/80 x=80/15 x=?

29. ## physics

A 64.2-kg skateboarder starts out with a speed of 2.21 m/s. He does 98.0 J of work on himself by pushing with his feet against the ground. In addition, friction does -276 J of work on him. In both cases, the forces doing the work are non-conservative. The

30. ## algebra 2

A committee of 3 teachers and 3 students is to be formed to judge a contest. If there are 7 students and 5 teachers to choose from, how many different committees could be formed?

31. ## physics

A 45-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 210 J from 400 J. How high does she rise during this interval? Neglect air resistance.

32. ## Chemistry

I am having trouble on a chemistry question for my study guide I have researched it and can't get an answer I understand can someone please help me? Describe what happened when an Ag+ combined with Na2CO3. What does this indicate?

33. ## math

Which statement is true for all regular pyramids? A) the length of the altitude is equal to the length of the slant height*** B) all lateral faces are congruent isosceles triangles C) the base and the faces are similar polygons D) all edges are equal in

asked by Not Tellin' Ya Ma Name

There were a total of 840 guests at a wedding dinner.60% of them were adults while the rest were children.some boys left before the dessert was served.as a result,the percentage of adults increases to 70%.how many boys had left before the dessert was

35. ## Math

Start at 5. Create a pattern that multiplies each number by 2. Stop when you have 4 numbers.

36. ## Math

Donnie completed 85% of his field goal attempts last season. If he attempted 60 field goals, how many did he make?

asked by I just wanna know
37. ## Algebra

the function of y= 0.81t^2 relates the time t in seconds, that it takes a problem of length y, in feet, to swing back and forth one time. about how long would it take a 3- ft pendulum to swing back and forth one time? round to the nearest tenth.

38. ## Science

In a chemical compound, would you expect an oxide ion to be joined with one atom of calcium or one atom of potassium? Why?

39. ## 8th Grade Language Arts

Hi, I have to write an essay on a controversial topic. This is the topic: Should GPS devices be installed in phones and other electronics? I'm having some trouble finding websites based on this topic and it really interests me so I don't want to change it

40. ## Maths

In a class of 36 pupils, 1/3 are girls, how many are boys?

41. ## Math

Two long roads intersect at P at an angle of 53 degrees. Starting at P cyclist A rides for 16.2 km along one side .Cyclist B rides 18, 9 km to the other side. How far apart they are?

42. ## maths

a cylindrical tankfull of water is emptied by a pipe at the rate of 225ltrs

43. ## Linear Algebra

Hello, could anyone help me with this excersise of linear algebra, Please? Well it's about linear transformation defined as T:V--W , the excersices give me a set of linearly independent vectors of V {v1,v2, v3... vk} and then asks : Are {W1, w2, w3,

44. ## English

Can someone help me come up with the a central theme for sonnet 15? PLEASE and also help me find a modern version of sonnet 16 by Elizabeth B.

45. ## maths

Between wich two integers pi lies

46. ## math

in probability math what instances in real life can i apply this lesson? enumerate and discuss three instances

47. ## Mathematics

You use a line best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is .793. How confident can you be that your predicted value will be reasonably close to the actual value? A. I can't be

48. ## Math

Ryan has a collection of220 baseball cards.helets his bro have 1/4 of his collection & sells 20% of the coll to the baseball card shop. he takes 15 cards to school to give his fireds how many baseball cards remain in ryan coll? 1/4=55 to school=15

49. ## math unit 7 test

Can the figure below tesselate a plane? Explain your answer. The shape is an arch (like a rainbow) Thanks! will fail math bc this problem why is this happening

two strips of fabric measure 14 3/4 and 20 7/8 in in length. To form one length, the strips are sewn together using 3/8 in from ea strip to make the seam. What is the final length of the fabric after the two strips are sewn together?

51. ## Chemistry

What happens when equal volumes of 10^-5M of BaCl2 and 10^-5M of Na2SO4 are mixed at 25degree Celsius. Ksp of BaSO4=0.3×10^-10.

52. ## math

Determine whether the function is symmetric with respect to the y-axis, symmetric with respect to the x-axis, symmetric with respect to the origin, or none of these. y = -6x3 + 7x

53. ## Engli

How is the tragedy of a rich and powerful person different than that of a poor and powerless person?

54. ## Maths

Almaz Has Taken2 Tests.Her Average Score Is 7 Out Of 10.The Product Of Her Score Is45. What Did She Score In Each Test?

55. ## Physical Science

Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. (I have to write three lines,

Predict: How resonance can cause earthquakes to do greater damage to some buildings than others. Analyze: If two astronauts were able to go on a space walk without wearing suits. Explain why they would not be able to talk to one another. Describe: How

57. ## math

Suppose 10 deers are travelling together. if four of them are does and 3 are fawns What fraction represent the number of buck?write another equivalent fraction that represent this number. Does mean Female and Fawns mean Baby. BUCK mean Male

58. ## math

A cake calls for 1/4 lb of butter. How much butter is needed to make 15 such cakes?

-2.4/5 1/3 -2.4/5.333 =-0.45?????

60. ## pre-algebra

I am actually in 6th grade but I really want to learn more about pre algebra. I was given a task to solve the question of y=9x+3*7 and i don't get what to do. Should I graph? Or solve for y?

61. ## Math

What is a number that is divided by 6 and by 7?

62. ## Maths

Almaz Has Taken 2 Tests.Her Average Score Is 7 Out Of 10.The product Of Her Scores Is 45.What Did She Score In Each Test?

63. ## History

What is one way the legislative branch is kept from becoming to powerful? A. It is divided into two lawmaking bodies, a House and Senate, which check and balance one another.** B. It is unable to finalize any laws. C. Its members meet only twice a decade.

64. ## Math

Divide 294 metres of cloth into three lengths in the ratio 2:3:9. How many metres will the longest piece measure?

65. ## Physics

You and another person go to the museum and decide to take a look at an exhibit that has a bike with an attached heating coil/generator. The coil is placed in a tank of water at 20 deg C. Peddling makes the coil increase the energy of the water. The goal

66. ## math8

solve the equation -9p-17=10 a.-3 b.16 c.18 d.-16 my answer; d

67. ## physics

a skateboarder with mass 75 kg is riding their skateboard of mass 8 kg at 1.5 m/s. If they decide to jump off sp that their body has no horizontal movement in the air before landing, how fast must the skateboard be moving after they separate

68. ## Math

A notebook costs 4 times more than a pencil. The pencil is 30gh less than the note book . What is the price of the pencil

69. ## Math

A recipe calls for 2.3 cup of sugar for every 2 teaspoon of vanilla. How much sugar should be used for every 1 teaspoon of vanilla?

70. ## Science

What is the kinetic energy of a soccer ball which has a mass of 4 kg and is kicked at a velocity of 10 m/s?

71. ## Pampers

A number is multiplied by 4 and 6 is subtracted from it . The result is the same as when the number is increased by 15. Find the number

72. ## Computing

What is the importance of file standards when including external files on a website page. Thank you.

73. ## Computing

How do features of ide help to create machinable code?

74. ## C

Pseudocode: Write a pseudocode to describe how to calculate the average of 10 numbers. Thank you.

Predict: How resonance can cause earthquakes to do greater damage to some buildings than others. Analyze: If two astronauts were able to go on a space walk without wearing suits. Explain why they would not be able to talk to one another. Describe: How

Question: Suppose you have sunlight shining on two clear containers of water on a table. Light waves refract through one of the containers but diffract around the other container. Describe how the two containers are different. A link would be useful too,

77. ## Math

What is the slope of the tangent line to the graph at f(x)=x^2-5 at the point (2,-1)?

78. ## Calculus

If the position function in feet for a free-falling particle on Planet X is s(t)= -8t^2 +16 + 64, what is the velocity of the after 2 seconds in feet per second? A. -32 B. -16 C. 16 D. 64

79. ## Algebra 2

If numbers and letters can be repeated, how many different 6 - digit license plates can be made if the first two positions are letters and the last four are digits

80. ## algebra 2

a survey of 20 colleges found that seniors graduated with an average \$12000 in debt from student loans. The debt was normally distributed with a standard deviation of \$3200. Find the probability that a senior graduated owing more than \$16000.

81. ## Math

At a book fair; three books and two magazines cost \$7. Two books and five magazines cost \$6.50. Find the cost of a book and the cost of a magazine.

Rhonda bakes p pies Mary bakes 3p pies If together they bake 20 pies, how many pies does Mary bake

83. ## algebra

Please show me how to simplify this expression and solve the equation: (v^2 + 6v+8)/(v^2 + v - 12) / (v+2)/(2v-6) Thank you very much.

84. ## Riddle

Jane had 7 children, her mom gave birth to 7 children as well, Jane lost 7 her children but her mom kept 6. How many children does her mom have?

85. ## Science

Pure cultures of safe (non-pathogenic) bacteria can be used for laboratory investigations. What cultures need to grow and to keep the culture pure what must you do? Thanks.

86. ## Calculus

What is the derivative of k(x)=sin x cos x? A. -sin x cos x B. -2 sin x cos x C. 2 cos^2x-1 D. sin^2x - cos^2x

87. ## Science

MRSA has evolved through natural selection, how? Thanks.

88. ## Science

What damage to the environment can the use of plant hormones cause? Thanks.

89. ## ecnometrics

Searches related to Searches related to In a study of 100 firms,the total cost© was assumed to be dependent on the rate of output (X1) and the rate of absenteeism (X2).The means were: C=6 X1=3 X2=4.the matrix showing sums of squares and cross products

90. ## Calculus

What is dy/dx when y=(x^2 - 4x ) ^3 ? A. 3(x^2 -4x)^2 B. (6x - 12) (x^2 -4x)^2 C. 3(2x - 4)^2 D. 6x^2(2x-4)^2

91. ## Computing

Pseudocode to describe how to get the information and output of a triangle. Thank you.

92. ## Computing

Pseudocode using a repeat-until loop to output the first five square numbers. Thank you.

93. ## economics

Searches related to Searches related to In a study of 100 firms,the total costÃƒâ€šÃ‚Â© was assumed to be dependent on the rate of output (X1) and the rate of absenteeism (X2).The means were: C=6 X1=3 X2=4.the matrix showing sums of squares and

94. ## Math

Last year Alex earned a monthly payment of \$250 and Ben earned a monthly salary of \$180. This year each of them received it increase of 25%. This year how much more did Alex earn in one month than Ben? I do not understand how to solve this please help!

95. ## ecnometrics

The following regression equation is estimated as a production function for q based on a sample size of 30 observations In (Q)=1.37 + 0.632 in(Ki)+0.452 in(Li)+uhati (0.257) (0.219) R2=0.98 Cov(Bkhat,Bhat L)=0.055 And standard errors are in

96. ## sdsdd

box contains 100 bolts of which 9 are defective. Find the probability that a bolt chosen at random is not defective.

97. ## Calculus

What is the derivative of h(x)= 3x+2/x^2-5?

98. ## Mathematical measurement

Find the ratio of the longest side to the perimeter of the​ right-triangular-shaped billboard. A scalene triangular billboard that says "Ski Whitetop" is designed to look like a snow-peaked mountain with a road leading up to the peak. The peak of the

99. ## math

A rectangular garden is 6m by 8m.if you walk 3times around the garden how many meters will you have covered

100. ## stats

Suppose we had two families, where Family A included 5 children and Family B included only 1 child. If we randomly chose a child from the families, what is the probability that the child came from Family A?

101. ## Stoichiometry

Determine the mass % (m/m) of a NaCl solution if 58.5 grams of NaCl was dissolved in 50 ml of water (assume the density of water to be 1.0 g/ml).

102. ## Social Studies

which river flowing through Ukraine serves as an important route to the black sea?

103. ## math;););)

Previously you found that a 15-degree counterclockwise rotationcenteredat(2,1)sendsthepoint(4,6)toanother point (x, y) ⇡ (2.638, 6.347). The diagram on the right shows the vector v in the same direction as vector [2,5], only with a di↵erent length.

104. ## math

tell me some one! a bike was originally 24000 the price was marked 15% what is the new price of the bike

asked by dipper pines!!! big fan!!!
105. ## ss

how did ghengis khan establish his empire

106. ## Science

Fat reacting with sodium hydroxide Is this a chemical or physical change My answer is chemical is this right answer Chemical A originally is buoyant in water; after it mixed with HCI, the new substance now sinks in water. My answer is physical change. Is

107. ## math

how much simple interest would you earn for 5 years at 7% with a beginning principal of \$8,000.00

asked by dipper pines!!! big fan!!!

80% of the members in a badminton club were male and the rest were female.after 450 members left the club,the number of male members was decreased by 25% and the number of female members was decreased by 50%.find the mumber of members in the badminton club