# Questions Asked onApril 13, 2016

1. ## Math

I need help solving the problem below. Chris answered 19 out of 25 questions correctly on a math test. What percent of the questions did she answer correctly? Is the answer 76% 19/25= 0.76

2. ## test corrections for problems 6,11,12 and 23please

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

3. ## Quadratic Equations

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

4. ## Science

A constant volume of O2 gas is heated from 140C to 216C. The final pressure is 22.3 atm. What was the initial pressure?

5. ## Calculus

A ladder 13 ft long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 1 ft. per second,how fast is the angle between the ladder and the ground changing when the bottom of the ladder is 5ft from the wall?

6. ## Math

The perimeter of a rectangular field is surrounded by 94 meters of fencing. If the field is partitioned into two parts as shown, a total of 113 meters of fencing is required. Find the dimensions of the field.

7. ## English

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

8. ## Chemistry

how would you prepare pure dry crystals of potassium trioxonitrate?

9. ## math

the first, second, and third terms in the geometric progression are k,k-6, 2k-28 respectively. given that all terms of the geometric progression are positive, calculate the value of constant k.

10. ## Maths

There are five sand which fillings - ham, cheese, tomato, lettuce and totally plain. How many combinations? I make 11. Ham, h & c, h & t, h&l; cheese, c & t, c & l; tomato; lettuce, l & t; sandwich with no filling. Total is 11. Some doubt in the family

11. ## Maths

In a class of 60 students,20 play cricket and 44 play football. Find the least no. of students playing either cricket or football. ANSWER =44

12. ## science

how many moles if gold are present in 49 gram of gold

13. ## Math

The sum of 4 consecutive odd numbers is 296. Write an equation and solve it to find the second highest number.

14. ## Math

Write an equation for the questions: a) The sum of twice a number and five is the same as the difference between five times the number and sixteen.

15. ## chemistry

calculate the lowest frequency of UV. light which has enough energy to break a Cl-Cl bond. ( bond energy =243kj/mol). I got 7.89E14 but the answer is 6.14E14s–¹. how?

16. ## English

In Old English, the pupil of the eye (the round, dark center) was called the 'apple'. It was thought that the pupil was a round object much like an apple. When you look at someone, 1)their reflection appears in your pupil. So if someone is the 'apple of

17. ## physics

A river flow of width 100 m is flowing with velocity of 1.5 m/s .A man start from one end with rest relative to river .He raws with an acceleration of 2 m/s^2 relative to the river if the man want to cross river in minimum time by how much distance will he

18. ## chem

A sample of hexane was cracked. A sample of 50cm³ of gas was produced. The gas decolorized 4cm³ of 0.23moldm–³ solution of bromine. What % of aliens was produced?

19. ## Math

One ball is drawn at random from a bag containing 2 red balls and 8 white balls. (a) What is the probability that the ball is red? Correct: Your answer is correct. (b) What is the probability that the ball is green? Correct: Your answer is correct. (c)

20. ## math

If you draw one card at random from a deck of 18 cards numbered 1 through 18, inclusive, what is the probability that the number you draw is divisible by 6?

21. ## Trig

If the terminal side of an angle theta contains the point (-1,3), find secant theta.

22. ## Math

Is there a common ratio for the geometric sequence and what are the missing terms? 2, -4, -16, -36..

23. ## Math

mary shots free throws 70% on average. She is fouled shooting a three point shot and therefore gets 3 free throws. What is the probability she: *makes first misses seconds and third shots *Makes at least 1 shot

24. ## Probability

mary shots free throws 70% on average. She is fouled shooting a three point shot and therefore gets 3 free throws. What is the probability she: *makes first misses seconds and third shots *Makes at least 1 shot *Makes at least 1 shot, given misses first *

25. ## physics

what will be the speed of a 500 kilogram satellite if we apply 100N force on it after each second till 10 hours.the current velocity of this satellite is 16,800 miles per hour?

26. ## Algebra 2

Is there a common ratio for the geometric sequence and what are the missing terms? 2, -4, -16, -36..

27. ## Algebra 2

Use summation notation to write the series 2+4+6+8 for 10 term in each of these images, the lower limit of the summation notation is either n=1, or n=0

28. ## Probability, Math

Two fair dice are thrown. What is the probability: * at least one shows a 3, given the sum is a 7 *the sum is a 7, given at least one shows a 3

29. ## Algebra

Justine earned \$26,000 during the first year of her job at city hall. After each year she received a 3% raise. Find her total earnings during the first five years on the job.

30. ## L.o

Describe the chosen human right violation that is taking place in your community or in a neighbouring community.Give your own position on this issue

31. ## Geometry

John bought a conical hat on a recent trip to central Vietnam. The basic frame of the hat is 16 hoops of bamboo that gradually diminish in size. The hat is covered in palm leaves. If the hat has a diameter of 50 centimeters and a slant height of 32

32. ## Fundamental Chemistry

Given the balanced reaction below; write out the balanced ionic equation and the balanced net ionic equation. Include phase labels and charges where appropriate. Cu(s) + Zn(NO3)2 (aq) → Cu(NO3)2 (aq) + Zn(s)

33. ## Calculus

f(x) = 3cos(x)−cos^3(x) for 0 < x < 2π I need help finding where it increases and decreases and where it concaves up and down. The inflection points I have found are pi/2 and 3pi/2.

34. ## History check my work please

President Reagan sought world peace through A) detente B) economic policies C) military strength (my choice) D) industrialized trade 2. Why did saddam hussein's troops invade kuwait? A) he wanted to end kuwait illegal drug trade B) He wanted to punish

35. ## math

an airplane travels 750 miles in 1 hour and 45 minutes. what is the average velocity of the plane?

isis the queen of the egyptian goddest

37. ## Dover

a plane at a height of 5000m is travelling ata constant speed of 300m.s. A heat seeking missile is fired at the plane when it is 5000m due east of an airbase. if the missile's speed is 350m.s, will the missile hit the plane before it reaches 9000m due

38. ## L.A

What does Annie's dialogue in the passage reveal about her character?

39. ## English

1. If you meet someone on the street, you should say hello to him. 2. If you meet someone on the street, you should say hello to him or her. 3. If you meet someone on the street, you should say hello to them. 4. If you meet someone on the street, you

40. ## chemistry

1-What are the characteristics of the benzene molecule and those of the obtained product(1,2,3,4,5,6-hexachlorocyclo hexane). 2-The volume of used chlorine Cl when added to benzene is 240cm^3. What minimal volume of benzene is needed so that all of

41. ## Physics

An airtight box has a removable lid of area 1.19E-2 m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 8.67E+4 Pa. The inside of the box is completely evacuated. What is the magnitude of the force required to

42. ## Calc Optimization

A piece of wire 9 m long is cut into two pieces. one piece is bent into the shape of a circle of radius r and the other is bent into a square of side s. how should the wire be cut so that the total area enclosed is: I have found the minimum r=.6301115 and

43. ## Physics

A block is attached to a spring and set in motion on a horizontal frictionless surface by pulling the block back a distance 10cm from equilibrium. Now, replace the block with one double the mass and set the block into motion again by pulling the block a

44. ## Math

A recipe ask for 2/3cup of water and they want to triple the recipe. How do I show the work. What is the first step to get the answer.

45. ## science

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

46. ## math

the spinner shown to the right has 8 equal sized sections labeled 1 through 8 place the probability of each outcome described below on the number line identify each outcome as likely unlikely or neither likely nor unlikely 1. arrow lands on 8 2. arrow

47. ## English

Which statement from "Zoos: Joys or Jails?" best captures the author's point of view? "At the zoo they are treated with care, but they should be treated with reverence." "Animals behave differently than they would in their natural surroundings." "Animals

48. ## Find the area of the segment of a circle of radious 21 cm and corresponding central angle 30

Find the area of the segment of a circle of radious 21 cm and corresponding central angle 30

49. ## 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

50. ## health

What is cognitive-behavioral therapy? A. Uses family therapy principles to improve a person’s health-risk behaviors B. Offers strategies to help patients better understand the factors and situations that precede alcohol and other drug use as well as the

51. ## algebra

Which of the following expressions is true? a. 4^3 * 4^5 < 4^12 b. 5^2 * 5^3 > 5^5 c. 3^2 * 3^4 = 3^2***** d. 5^2 * 5^4= 5^8 Which of the following expressions is true? a. 2^4 * 2^4 >2^7***** b. 3^2 * 3^6= 3^7 c. 4^3 * 4^5< 4^8 d 5^2 * 5^3 = 5^6 Please

52. ## Pre-Algebra Permutations and Combinations

16. Simplify 6p2 30 15 12 720 17. Simplify 8c5 6,720 336 56 10 Okay, so the formula for Permutations is n!/(n-r)! and the formula for Combinations is n!/r!(n-r)! however I don't quite know how to figure either of these out. I'm sort of blanking here!

asked by The Philly Inquirer
53. ## Chemistry

Sarah is ordering cheese pizza for a party of 10 people. She knows that each pizza has 8 slices. To figure out how many pizzas to order, Sarah needs to know the

54. ## Math NEED HELP ASAP!

8.)The data in the table illustrate a linear function. x |-3| 0| 3|6| y |-5|-3|-1|1| A.) -3/2 B.)-2/3 C.)2/3 D.)3/2

55. ## World History

what was Joseph Stalin favorite music, and movies?

56. ## World History

Who was firends with Joseph Stalin?

57. ## Math

15. Do the data in the table represent a linear function? If so, write a rule for the function. x –3 –2 –1 0 1 y 1 –2 –5 –8 –11 (1 point) yes; y = –3x – 8 yes; y = 1/3x – 8 yes; y = 1/3x + 8 yes; y = 3x + 8 16. Write a quadratic rule

58. ## H.S history

Which is an example of the concept of manifest destiny in action?

59. ## life orientation

Six ways that the human rights violation influences individual,groups and the broader south African community

60. ## life orientation

Six ways that the human rights violation influences individual,groups and the broader south African community

61. ## Urns and \$ - Pre-Algebra

1. Each of two urns contains green balls and red balls. Urn 1 contains 8 green balls and 12 red balls. Urn 2 contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? a. 79/65 b. 24/65 c. 20/33 d. 2/13 2. You have

asked by The Philly Inquirer
62. ## JUST URNS - Pre-Algebra (Update; ignore last post)

Each of two urns contains green balls and red balls. Urn 1 contains 8 green balls and 12 red balls. Urn 2 contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? a. 79/65 b. 24/65 c. 20/33 d. 2/13 Please explain!

asked by The Philly Inquirer
63. ## Math

a. Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I think it would better for a cube to have a high volume. Can you please check am i correct if Im not can you explain.

64. ## algebra

4 square root x-2+2=x+3

asked by mo kour

Gosh, can somebody help a person out?

asked by The Philly Observer
66. ## English

I read story the flowers by alice walker and i trying to write essay from post colonial view so what would this sentence mean? tiny white bubbles disrupt the thin black scale of soil Like does it represent white and black race?

67. ## chemisty

In aqueous reactions, if the amounts of reactants (and products) that are used are not given in moles, they are usually given in?

68. ## Science

Is jumping through a hoop an inherited trait for a dolphin?

69. ## Math

8.)The data in the table illustrate a linear function. x |-3| 0| 3|6| y |-5|-3|-1|1| A.) -3/2 B.)-2/3 C.)2/3 D.)3/2

70. ## 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?

71. ## Math "Need Help Asap"!

15. Do the data in the table represent a linear function? If so, write a rule for the function. x –3 –2 –1 0 1 y 1 –2 –5 –8 –11 (1 point) yes; y = –3x – 8 yes; y = 1/3x – 8 yes; y = 1/3x + 8 yes; y = 3x + 8 16. Write a quadratic rule

72. ## physics

A car traveling at a constant speed of 33.4 m/s passes a trooper hidden behind a billboard. One second later the trooper starts the car with a constant acceleration of 3.28 m/s2 How long after the trooper starts the chase does he overtake the speeding car

73. ## Essay Help

Could you please help me form an introduction paragraph for my essay? It's a comparison and contrast essay, where I am comparing two songs. I need help! Thank you.

asked by Mariana W.
74. ## chemistry

1-What are the characteristics of the benzene molecule and those of the obtained product(1,2,3,4,5,6-hexachlorocyclo hexane). 2-The volume of used chlorine Cl when added to benzene is 240cm^3. What minimal volume of benzene is needed so that all of

75. ## physics

A capacitor is formed of two identical coaxial disks of diameter 28cm. The distance d between the disks is adjustable . Calculate the capacitance of this capacitor at d=5mm. What becomes the value of this capacitance if a glass sheet 5mm thick is inserted

76. ## Math "Need Help Asap"!

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

77. ## math

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

78. ## PHYSICS!!

In its search for flying insects, a bat uses an echolocating system based on pulses of high frequency sound. These pulses are 2.0 ms in duration, have a frequency of 50 kHz, and an intensity level of 100 dB at 1.0 m from the bat’s mouth. Assume the bat

79. ## Pre Algebra, Check my answers?

You roll a number cube numbered one to six 12 times. P(5) = two over three. What type of probability is illustrated and why? (1 point) experimental; the result is based on the number of possible outcomes ** experimental; the result is found by repeating an

80. ## Math plz help!!!!

Which of the following types of information is not suited for display on a double bar graph? populations of boys and girls at three different schools number of records versus compact discs sold each week during a one ­month period at The Music Den the

81. ## Maths

In my family the age of the three kids are 6,10 and 16. The mean age of the whole family is 24. The range is 41. How old is my mum and dad

82. ## Finance

Sandy is offered an annuity at 3.9% compounded monthly to save the \$12000 she need over the next 6 yrs what would the monthly payments be

83. ## maths

A train driver moving at 40km|h applies break so that there is a constant retardation of 0.5m|s find time taken before the train stops

84. ## I NEED HELP ASAP I HAVE 2 MINS.!!!!!!!!

name 2 factors used when classifying a star

asked by Girl with questions.
85. ## Social Studies

Analyze how Islam spread among southeast Asia trade routes...

asked by Senpai were all gunna die
86. ## Science

as a liquid is heated and changed into a gas what happens to molecules

asked by Girl with questions.
87. ## english

traditional healers should be allowed to perfom and prescribe medicine in hospitals and clinics

88. ## Life orientation

Six ways that the human rights violation influences individual,groups and the broader south african community?

89. ## Chemisty

For the reaction: 2NO(g) + H2(g) N2O(g) + H2O(g) + energy Write the equilibrium constant expression for the reaction. This reaction takes place at 25°C. At this temperature the concentration of NO is found to be 1.75 mol/L, the concentration of H2 is 3.00

90. ## Life orientation

Six suggestion on how to combat the violation of human?

91. ## physics

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

92. ## Algebra. NEED HELP ASAP PLEASE

The formula F=(9/5)C+ 32 F=95C+32 may be used to convert Celsius temperatures to Fahrenheit temperatures. What is the range of Celsius temperatures if the Fahrenheit range is -65°F to 60°F.

93. ## geography

On a map of a scale of 1:1, two places are 3 cm apart how far apart are they on the ground

94. ## math

a woman is 21 and is half the age of her mother, how old the mom be if the woman is 42?

95. ## History (Mrs. Sue, check answer?)

How did geography affect Florida during the Civil War? (5 points) Florida has a long coastline, so it was easy to blockade. Florida was far to the south, so few battles happened there. Florida was surrounded by water, which increased the capacity of its

96. ## Life orientation

Six suggestion on how to combat the violation of human rights

97. ## math

A rocket is fired at an angle of 18.5 ° with the ground from a point 1670 m directly behind an observer. Shortly later the rocket is observed at an angle of elevation of 33.5 ° directly in front of and above the observer. How far on a direct line has the

98. ## Math help

Use the function rule to complete the table. -10×+y=4 X -2 -1 0 1 2 Y

99. ## Chemistry

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

100. ## lifeorientation

Indetify your human rights violation and explain in an introductory paragraph why you choose the speci fic human rights violation?

101. ## Mathematics

Jon is working on a city councilperson’s election campaign. He wants to survey potential voters about their opinions. Which is the best way for him to gather a sample? Attend a speech given by the councilman and survey audience members. Select every 10th

102. ## Chemistry

On Mars, the gravitational acceleration (g) is equal to 3.7 m/s2. Imagine the experiment from our lab performed on Mars, using a distance of 68 m from the catapult to the bucket. What velocity would you need to launch the ball into the bucket?

103. ## Math patterns and rules unit test

I am in connexus and was wondering if anyone has got the answers to this test, please help me I am felling really bad and this is the only way I could bring my grade up. Ty!!

asked by Samantha Schinder
104. ## Math help!

Scientists estimate the rate of a wildbeest running at full speed to be 66 per second. Write a function rule to describe the relationship between the time, t, and the distance, d, a wildebeest travels when running at full speed. A: t=66d B: 66=d•t C:

105. ## Mathematics

1.​At your summer job with a research company, you must get a random sample of people from your town to answer a question about spending habits. Which of the following methods is most likely to be random? a. You survey customers at the local shopping

106. ## Chemistry

A sample of g 0.2050 oxalic acid (4.2 H2C2O H2O) required 25.52 mL of KOH solution to complete the neutralization according to rea tion: HOOCCOOH + 2 KOH + KOOCCOOK ↔ H2O Which the concentration in mol L-1 of this KOH solution? A sample of an unknown

107. ## lifeorientation

DescRibe the three human rights violations you selected and give at least two examples of such violations you found on your research.

108. ## MATH

Your friend asks you to help cut grass this summer and will pay you 2 pennies for the first job. You agree to help if he doubles your payment for each job completed. After 2 lawns, you will receive 4 pennies, and after 3 lawns, you will receive 8 pennies.

109. ## chem

A sample of hexane was cracked. A sample of 50cm³ of gas was produced. The gas decolorized 4cm³ of 0.23moldm–³ solution of bromine. What % of alkenes was produced?

110. ## Chemistry

If you have Mg+2HCL=MgCl2+H2 and a temp of 295K, and barometric pressure of .976atm and 43.5 mL of gas was collected from the experiment, then how many moles of H2 do you have? My answer is PV=nRT so n=PV/RT Plug in the numbers and get .00175 moles, but I

asked by Kiana (Check My Answer Only)
111. ## physics

How much energy is needed to heat and melt 3.0 kg of copper initially at 83°C

112. ## math 7th grade

Ingrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. She divides the trail mix into 12 equal portions. Each portion weighs 0.7 pound. How many pounds of raisins did she use to make the trail mix? Express the answer to the nearest

113. ## Math

How do you write 200 7/100 as a decimal?!?

114. ## English

Write a report on energy use in your community. your report should be between 120 and 150 wards

asked by Gudani Paris
115. ## adding integers

A stock lost 7 1/8 points on Monday and then another 1 7/8 points on Tuesday. On Wednesday, it gained 13 points. What was the net gain or loss of the stock for these three days? A) a loss of 22 points B) a gain of 4 points C) a gain of 18 1/4 points D) a

116. ## Math help

A DVD store charges \$4.70 for each day, d, a DVD is rented. The store also gives you a dollar off it the DVD is returned before 5 days. a. Write a rule to represent the rental charges C. b. How much will you pay if you return the dvd after 4 days? 7 days?

117. ## statistics

please help me on this; In the mass production of bolts it is found that 5% are defective. Bolts are selected at random and put into packets of ten. A packet is selected at random. Find the probability that it contains: A. no defective bolts, B. three

118. ## chemistry

how many protons and electrons are in 7.4 grams of hydrogen?

119. ## Math

Write a rule for the function represented by the table. Input(×) 0 1 2 3 4 Output(y)3 6 9 12 15 A.y=3× B.y=3×+3 C.y=5×+1 D.y=×+5

120. ## AP Physics 1

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

121. ## utah state history

fill in the blank 1.The (blank) settlers were the first ones to develop agricultural practices that were adapted to the arid west. 2.The invention of the (blank) made it possible for farmers to farm much bigger plots of land. 3.The practice of (blank) made

122. ## science

What ia the Iupac name of [Cr(CN3)]CL3

123. ## Geometry Honors

Boat 1 and boat 2, traveling at constant speeds but not necessarily the same speed, depart at the same time from docks A and C, respectively, on the banks of a man-made circular lake. If they go straight to docks D and B, respectively, they will collide.

124. ## Math help!

Find the function rule. X -2 -1 0 1 2 Y 9 4 -1 -6 -11

125. ## Geometry Honors

On the bridge of a ship at sea, the captain asked the new, young officer standing next to him to determine the distance to the horizon. The officer took pencil and paper, and in a few moments came up with an answer. On the paper he had written the formula

126. ## English

1. Englishmen expected to have a ___ in their government. 2. The __ was the first legislature in the Jamestown colony. 3. The Massachusetts colonist legislature was the ____. 4. In Pennsylvania, England gave _____ to William Penn. 5. Even though the

127. ## Math

Can u please help me with all the answers to the final LEAP exam for 6th grade

128. ## math

A can of soup is in the shape of a cylinder with a radius of 3.2 centimeters and a height of 10.2 centimeters. The label covers the entire lateral surface of the can. What is the approximate area of the label? a.) 32.64 cm^2 b.) 64.34 cm^2 c.) 205.08 cm^2

129. ## Math

A wheel has a radius of 5ft. How many revolutions would it take for the wheel to roll 62.3 ft.? Round your answer to the nearest tenth.

130. ## Science

1. In the real world there are many insulators that you encounter every day. Give an example of a material that is an insulator and another material that is a conductor that you may use on a regular basis. Why do you think these materials were chosen for

asked by Leet Speaker
131. ## Statistics

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

132. ## Personal Finance

One aspect of financial planning is to make sure you maintain adequate insurance coverage for your needs. Which aspect of financial planning does this deal with? A. Retirement and Estate Planning B. Spending C. Managing Risk D. Investing Would it be D?

133. ## Statistics

The results of a poll are stated as follows: “Based on a survey of 156 randomly selected students, 90% of the student body of 2870 students agree that no student should have to take final exams in two consecutive exam periods”. If 2578 students

134. ## science

Which of the following is something you should do after severe weather occurs? - clean up flood waters *** - stay away from windows - create a family safety plan - invite friends to see the damage

135. ## Statistics

A botany student counted 11 blades of grass in one square centimeter of lawn and measured the lawn as a rectangle 61 m by 31 m. She reported that there were 208,010,000 blades of grass in the lawn. The precision of her conclusion: A. correctly represents

136. ## 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

137. ## science (correct please)

(1) Which of the following is an ectothermic vertebrate A) butterfly B) lizard C) eagle D) dog ~~~~~~~~~~~~~~~~~~~~~~~~~ My answer: B ~~~~~~~~~~~~~~~~~~~~~~~~~ (2) which of the following animals is an invertebrate? A) goldfish B) horse C) turtle D)

asked by Yuno Gasai
138. ## global history

The barbarians have broken through the ramparts. The Saracen [Moors} invasions have spread in successive waves over the South. The Hungarians swarm over the Eastern provinces...they sacked town and village, and laid waste the fields. They burned down the

139. ## Statistics

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

140. ## Math

Round 1.98 to the nearest tenth

141. ## Math

9.)Which hill described in the table is the steepest? Explain.' (Table) Street Horizontal Distance (ft) Vertical Rise Dixie Hill 60 20 Bell Hill 60 40 Liberty Hill 60 30 A.)Bel Hill; it rises 2/3 ft for every 1 food of horizontal travel. B.)Dixie Hill; it

142. ## physics

An engine absorbs 2000J of heat from a hot reservoir and expels 750J to a cold reservoir during each operating cycle. What is the power output of the engine if each cycle lasts for 0.5 seconds?

143. ## Biology

Which of the following is NOT a function of the stomach? A. store food B.kill bacteria C. digestion of most foods D. move chyme into the duodenum Tricky help?

144. ## English

The Red Cross' shelters needed ham operators. Is the apostrophe correct in the sentence above?

145. ## math

most unsharpened pencils are hexagonal prisms. describe a vertical and horizontal cross section of a pencil

146. ## math

a vase is in the shape of a cone that is 10 inches tall with a diameter of 3 inches. what is the greatest amount of water the vase can hold a.) 23.56 in.^3 b.) 54.72 in.^3 c.) 70.65 in.^3 d.) 94.25 in.^3

147. ## Science

The opening to the tracheal system (respiratory system) in insects is the spiracle. trachea. alveolus. bronchus. stomata.

148. ## mathematics (word problems leading to linear equations )

The side of one square is 5cm longer than the side of another square. The area of the two squares differ by 85 square centimetres. find the length of the side of the smaller square.

asked by Bongiwe Gamede
149. ## algebra

A 74-foot length of wire is to be cut into 2 pieces, so that the longer piece is four feet longer than six times the shorter piece. Find the length of each piece.

150. ## Math

An equilateral triangle has a perimeter of 45 ft. What is the length of ach side of the triangle?

151. ## English

Hello. I'll be very grateful for your advice and help. I want to say that something was planned but did not happen. Is it possible to use the following structures: 1) He was to come but he didn't. 2) He was to have come but he didn't. Thank you very much.

152. ## Math help

I have 12 guests for a party. I want everyone to have 4/5 of a cup of juice. How many cups of juice will I need?

153. ## Statistics

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 Answer: B

154. ## Statistics

The father of a junior high school student wants to determine the most popular book among junior high students. Select the sample with the least potential bias. A. A randomly selected group of 10 book sellers B. A randomly selected group of 30 junior high

155. ## Math

The circle below is divided into 8 equal parts. What is the measure of the angle shown by the shaded section? A. 45° B. 145° C. 40° D. 90°

156. ## Math

I have a number line. 0-------.5---------1. I also have 1/10, 2/10, 4/10 and 5/10. I am trying to make sure I have them in order and the correct placement on the number line.

157. ## math

sally put red ,white,and blue handkerchiefs in a drawer. One-third of the hand kerchiefs were red ,one -fourth of the hamdkerchiefs were white and ten were blue. how many handkerchiefs of each color were there?

158. ## science help pls pls

A star is observed from two positions of Earth in its orbit, in summer and winter. Which of these is the best method to calculate the approximate distance of the star from Earth? measure the parallax and use it in calculations measure the red shift of

159. ## Biology

Blockage of the common bile duct would be expected to affect lipid digestion. protein digestion. carbohydrate digestion. nucleotide digestion. cellulose digestion. lipid is the only common sense one?

160. ## math

the volume of a rectangular prism is 2,058 cm3. The length of the prism is three times the width. The height is 14 centimeters. Find the other dimensions

161. ## algebra

A car dealer recently had a promotion which they gave an 8% discount to the first 50 people through the door. If you are one of those people and the car you are interested in cost \$25,300.00, find the discount amount and the new price of the car.

162. ## Geometry

If a rotating water sprinkler is a set tto spray water out at a radius of 40 feet around a circular revolution of 120 degrees what is the area of the lawn that the water from the sprinkler would then cover

163. ## Geometry

If a rotating water sprinkler is set so spray water out at a radius of 40 feet around a circular revolution of 120 degrees, what is the area of the lawn that the water from the sprinkler would then cover? Round to the nearest tenth 533.3ft?

164. ## Math

My values are: 0.075 0.025 0.1 0.075 0.1 0.125 0.05 0.125 0.025 0.15 0.125 0.025 What would be an appropriate scale to go by on a bar graph.

165. ## Geometry

Suzanne looked across the sky one afternoon and saw a rainbow. She estimated that she was seeing a rainbow that had a radius of about 1500 feet and that she could see about 210 degrees of the arc. Estimate the length of th is visible rainbow above the

166. ## statistic

Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). 1. P(-1.92 ≤ z ≤ 0.43) 2.P(0.57 ≤ z ≤ 1.24) 3.P(-1.75 ≤ z ≤ -1.02)

asked by isaac newland
167. ## Chemisty

For the reaction: 2NO(g) + H2(g) N2O(g) + H2O(g) + energy Write the equilibrium constant expression for the reaction. This reaction takes place at 25°C. At this temperature the concentration of NO is found to be 1.75 mol/L, the concentration of H2 is 3.00

168. ## Science

For the reaction: 2NO(g) + H2(g) N2O(g) + H2O(g) + energy Write the equilibrium constant expression for the reaction. This reaction takes place at 25°C. At this temperature the concentration of NO is found to be 1.75 mol/L, the concentration of H2 is 3.00

169. ## math

p=5x3^n can you answer this

170. ## Chemistry

For the reaction: 2NO(g) + H2(g) N2O(g) + H2O(g) + energy Write the equilibrium constant expression for the reaction. I wrote: [N2O][H2O] / [NO]2 [H2] This reaction takes place at 25°C. At this temperature the concentration of NO is found to be 1.75

171. ## stats

Given that z is a standard normal random variable, find z for each situation (to 2 decimals). 1.The area between -z and z is 0.2128

172. ## calculus 1

Mr. Smith would like to enclose a rectangular field that has an area of 1000 square feet. What is the minimum amount of fencing he will need if he only needs to use it on 3 sides since he can use the side of the barn for the fourth side.

173. ## Stats

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 Answer: B

174. ## Stats

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

175. ## Stats - Help!!!1

A botany student counted 11 blades of grass in one square centimeter of lawn and measured the lawn as a rectangle 61 m by 31 m. She reported that there were 208,010,000 blades of grass in the lawn. The precision of her conclusion: A. correctly represents

176. ## 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

177. ## Science

If the Earth was tilted so that the Arctic and the Antarctic were in the equator's location, how would it affect the climate?

178. ## Quadratic Function

I need someone to look over my work and see if I did it right and if I got the right answer. Thanks in advance. Determine f(3) given the function f(x)= 2x^2 + 2x + 3 1.) f(3)= 2(3)^2 + 2(3) +3 2.) =2(9) + 2(3) +3 3.) =18 + 6 + 3 4.) =27

179. ## Math

Terry buys a shirt for \$14.99 and a pair of jeans for \$39.99. If the sales tax is 8.25%, what is the total price Terry pays for the items? Can someone please show me how to work this problem?

180. ## Geometry

Average diameter of about 7900 miles. Jupiter has an average diameter of 86900 miles. The volume is Jupiter is approximately how many times larger than the earth?

181. ## 7th Grade Math

I need help with solving the answer to the problem below. What is the percent decrease, to the nearest percent, of the number of books checked out from June to July? June - 623(# of books checked out) July - 715(# of books checked out)

182. ## Chemistry

Describe how to make 100 mL of a 0.120 M solution of CU(NO3)2 * 3H20 (Making a solution lab)

183. ## Geometry

An unsharpened pencil is a regular hexagonal prism of wood with a cylinder of graphite in the middle. The hexagon has a side of 4mm. The graphite is 2mm in diameter. The pencil is 180 mm long. Determine the volume of wood in the pencil.

184. ## Biology

I was asked to do a question about Ethylene gas and its effect on plants. One of my classmates said that plants cannot produce fruit and seeds without the gas... I know ethylene helps ripen and quicken the speed of the fruit/seeds, but can't the plant do

185. ## clothing and textiles

List 10 careers in clothing and textiles and tell their function

186. ## math

My values are: 0.075 0.025 0.1 0.075 0.1 0.125 0.05 0.125 0.025 0.15 0.125 0.025 What would be an appropriate scale to go by on a bar graph.@bobpursely suggested 40:1 what does this mean???

187. ## clothing and textiles

List 10 careers in clothing and textiles and tell their function

188. ## Math

The two shortest sides of a right triangle are 10 in and 24 in long. What is the legnth if the shortest side of a similar triangle whose two longest sides are 36 in and 39 in?

189. ## geography

What are the two most dominant economic activities in the arid climate of South Asia? Explain why. I have read over all my notes, the section in the textbook dedicated to South Asia, looked at several maps indicating different factors, and Googled this

190. ## science

10 students whose combined mass is 700 kg ride down 30 m in a elevator. How much thermal energy is produced in the elevator system by the loss in gravitational potential energy of the students

191. ## Algebra

Divide: (y^2-y+4) divide by (y+3) I worked it out, but don't know how to put my answer can you please do it too and show me what the answer is. I used long division.

192. ## European History, Modern History

"Provide a thorough explanation of Hungary's impact on the communist bloc politically, and compare Hungary's situation to that of other Warsaw Pact members." I've decided to use the Revolution of 1956 and Goulash Communism as my examples, but I'm not sure

193. ## 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 show work plz

194. ## chemestry

Given the following chemical equation, determine how many grams of N2 are produced by 9.72 g of H2O2 and 6.53 g of N2H4

195. ## Science at National University OF Samoa

2-bromobutane heat with 2M NaOH. What is the observation and the chemical reaction for the reaction?

asked by Terry Manu
196. ## Math

A car dealer makes a 12% commission on every car sold. If the dealer sells a car for \$10,000, how much does he make in commission?

197. ## algebra 1

The table below shows the number of hours some business people in two states spend in meetings each week: State A 21 23 24 22 24 25 23 23 22 State B 24 22 20 23 23 50 20 46 21 Part A: Create a five-number summary and calculate the interquartile range for

198. ## Math

Eric's friend Dawn said that she could make a larger number of different designs with 15 tiles with Eric's 13 tiles. Do you agree with Dawn? Explain.

199. ## Damon,steve,reiny,bobpursley....Any 1 just help me plz

Eight years ago martha was half as old as susan will be when susan is one year older than rose will be at the time when martha will be five times as old as rose will be two year from now. ten years from now rose will be twice as old as susan was when

200. ## math

Jordan travels X of a mile longer to school each day than Harrison does. combined they travel 5 1/4 miles to school how far does each travel.

201. ## Math

Fran and 5 friends must share 3 liters of water. How much water will each person get?

202. ## Math

how many feet of fencing are needed to enclose a swimming pool that has a 25-ft diameter of there is a 2.5 ft deck between the edge of the pool and the fence ?

203. ## Math

A man 1.4m tall looks at a bird on a tower at an angle of elevation of 45`.If the man is 10m away from the tower,how tall is that tower

204. ## science

Combining 0.280 mol of Fe2O3 with excess carbon produced 19.4 g of Fe.

205. ## Math

Annette buys swim goggles for her swim team at a wholesale store. There are 25 swimmers and the swim goggles are sold in a package of 6. Annette wants to give each swimmer 2 swim goggles, therefore, she buys 9 packages. Is Annette correct? Explain.

206. ## Math

A blueprint scale is 1/4 inches = 1ft. If the blueprint measurement is 3 in x 3 in, what should you cut?

207. ## CONSUMER MATH

You are offered \$12,000 for an annuity at 3.9% compounded monthly for 6 yrs what would the monthly payments be?

208. ## math

Sarah is lining a square tray with 1 inch square tiles.The side length of the tray is 9 inches.How many tiles does Sarah needs?

asked by Monica Martinez
209. ## Math/ weight measurement

how many 4-ounce bags of peanuts can be filled from a 5-pound bag of peanuts?

210. ## PHYSICS

A 75 kg box starts from the top of a ramp at point A. The coeff of fric. between surface & box is 0.275. The avg. normal force of the surface on the box (while it is on the ramp) is 3/4 of its weight. A) What is the velocity of the box right before it hits

211. ## Math

Jose has a 120-inch roll of wrapping paper. He needs an 18-inch piece to wrap each present. Does Jose have enough to wrap 7 presents? I divided 120÷18 and got 6.66 but if I round 6.66 to 7, will the answer be yes?

212. ## Math

Two angles are supplementary. The measure of one is 30 more than twice the measure of the other. Find the measure of the larger angle.......... Please help ! I need this answer!

213. ## Math

The perimeter of a rectangle is 21 inches. What is the measure of its width if its length is 3 inches greater than its width?..... Please help me solve this question...

214. ## Math

Mr. Fried plans to give fruit flies to 6 groups of lab students for an experiment. He wants to give the same number of flies to each group. He has different size bottles. How can Mr. Fried give each group the same number of fruit flies without opening the

215. ## english

which quote from the morning of june 28, 1948 best illustrates the idea that people in a group can behave dangerously

216. ## Math

The floor of a delivery van has an area of 56 square feet and is 8 feet long. How many rows of 8 boxes that measure 1 foot by 1 foot can be put in the delivery van?

217. ## Precalculus

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

218. ## Precalculus(another)

A small plane takes off from island A and flies in a straight line for 12 kilometers. At the same time, a sailor sitting in a sailboat who is 5 miles from the island measures the angled by from island A to the sailboat and the plane is 37 degrees. How far

219. ## calculus 1

(Thank you for any help because I am not good at setting up word problems) What are the dimensions that will minimize the amount of material needed to manufacture a standard oil drum that is in the shape of a cylinder, with closed top and bottom. The drum

220. ## 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. PLEASE SHOW ALL WORK!!!

221. ## Math

For questions 1and 2, use integer values of x from -3 to 3 to graph the equation. 1. Y=-2x^2+3 (1 point)

222. ## Math

A spa is 9 yards long and 7 yards wide. A locker room 8 yards long and 6 yards wide is at one end of the spa. How much floor space do the spa and the locker room take up?

223. ## Chemistry

Question Part Points Submissions Used It has been determined that the body can generate 5500 kJ of energy during one hour of strenuous exercise. Perspiration is the body's mechanism for eliminating this heat. How many liters of water would have to be

224. ## MATH I DONT UNDERSTAND PLZ HELP ASAP THX= }

From midnight to 6:00 am, the temperature rose 8 degrees c. at 6:00 am, the temperature was -20 degrees c. What was the temperature at midnight? ( I DON'T UNDERSTAND! PLZ SHOW ME)

225. ## CHEMESTRY

Calculate how many grams of O2(g) can be produced from heating 65.8 grams of KClO3(s).

226. ## chemistry

using leChatlier's principle, which of following is more or less soluble in following solutions than in pure water. and explaination for each asked for. Compared to pure water are they less, more or same? thanks. AgBr in 0.100M HBr AgBr IN 0.100 m HNO3

227. ## History

What was so significant about the space race? and why is it still significant and important currently today as of 2016?

228. ## chemistry

When you add 0.567 g of sodium metal to an excess of hydrochloric acid, you find that 5890 J of heat are produced. What is the enthalpy of the reaction as written below? 2Na(s)+2HCl(aq)=2NaCl(aq)+H2(g)

229. ## Dosage calculations please

The nurse is to administer the recommended dose of Garamycin 2 mg per kg every 6 hours. The child weighs 42 pounds. 1. What is the weight in kg? 2. what is the daily dose? Round to the nearest whole number. 3. What is the individual dose? 1. 42/2.2 = 19.09

230. ## Calculus I

Find numbers a and b such that: lim (sqrt(ax+b)-9)/x =1 x->0

231. ## Chemisty

Will Cd(OH)2 precipitate if 10.00 g of Cd(NO3)2(s) (MM = 236.42 g/mol) is added to 0.500 L of a 0.800 M NH3 solution?

232. ## Dosage calculations please

Nurse orders 375mL every 8 hours, client weighs 38 pounds. Recommended dose is 50ml 1. pounds to kg -> 17.27 kg 2. individual dose is 17.27 x 375 = 6476.25 mL 3. Daily dose is 6476.25 x 3 because 24 hours divided by 8 = 3. therefore the daily dose is

233. ## science

which of the following is a posioned gas? option- (a)carbondioxide (b)nitrogen(c)none of these (d) carbon monoxide

234. ## history

which of the following langues was used in ashok 's rule?

235. ## CHEM

2H2+O2=2H2O H=-484KJ Which answer best describes the transfer of heat that occurs when 1.41 mol of H2 reacts with 0.671 mol of O2? 341 kJ released 484 kJ released 341 kJ absorbed 484 kJ absorbed 325 kJ released 325 kJ absorbed

236. ## Precalculus

A population of bacteria has exponential growth and will double after 10 hours. Find the growth rate to the nearest hundredth.

Weight - 20 pounds 6 ounces Ordered dose - 1.5mg per kilogram per day recommended dosage from drug label - 3mg every 8 hours. 1.What is the individual dose? to find the individual dose i'll first convert pounds to kg which is 9.26 kg. I will then multiply