Questions Asked on
January 18, 2017

  1. Triangles math

    Can someone direct me please. Am I doing this correctly. Draw a right triangle with the base of 2 units and a height of 3 units make three copies so that the length of the new sides are 50% , 300%, and 500% of the original. My idea is First triangle 2× 50

    asked by Jessica
  2. Algebra

    (-11x to the 5th power +4x + 8x to the 3rd power)+(-13x-2+7x to the 3rd power)

    asked by Kamia
  3. Algebra

    (-11x to the 5th power +4x + 8x to the 3rd power)+(-13x-2+7x to the 3rd power)

    asked by Helen
  4. Math

    Li making beaded necklaces.for each necklace,she uses 27 spacer beads, plus 5 glass beads per inch of necklace length. write an equation to find how many Li needs for each necklace.

    asked by Rodrigo
  5. physics

    A particle is projected with a speed of 39.2m/sec at an elevation of 30degrees.find its greatest height.

    asked by naomi
  6. physics,

    A 40degree Celsius thermometer reads 0.7degree Celsius at it boiling point of water. Evaluate the correct thermometerwhen it reads at 30degree Celsius

    asked by Gift
  7. Social studies

    When talking about admiralty jurisdiction and the clean waters act, what is the difference between Navigable waters, adjoining shorelines, and contagious zones

    asked by AAAA
  8. English Grammar

    What is Indirect Interrogative Sentences? What's the simplest way to explain it?

    asked by Klar Maesen
  9. physics

    A car starts from rest is uniformly accelerated at 0.1m/s square untill it reaches a speed of 15m/sec square. It travels at this speed for 3mins and it returns uniformly retarded so as it come to rest 8mins after starting.plot the velocity time graph of

    asked by naomi
  10. Triangles math

    I want to confirm if I understood . Problem states : Draw a right triangle with a base of 2 units and a height of 3 units. Make three “copies” so that the lengths of the new sides are 50%, 300%, and 500% of the original. Solution: 1st triangle

    asked by Jessica
  11. Math

    I am really not understanding how to find the slope. I have a graph with the coordinates (-3,3) and (1,-5). If someone could help explain how to find the slope it would be greatly appreciated!

    asked by ¤Steampunk¤
  12. math

    hai im confused like always i dont know what is greater 1/5 or 24% please help

    asked by worthless
  13. math

    a 6 foot red casts a shadow that is 7 feet long. the shadow of a nearby tree is 42 feet long. slove a proportion to find the height of the tree

    asked by andy
  14. Calculus Answer Check

    A particle moves along a line so that its position at any time t >= 0 is given by the function -t^3 + t^2 + 5t + 3, where p is measured in feet and t is measured in seconds. 1. Find the displacement during the first four seconds. My answer: 75 ft 2. Find

    asked by Anonymous
  15. science

    A train which is moving with uniform acceleration is observed to take 20 to 30 seconds to travel successive 0.4km.how much far then willing travel before coming to rest, if the acceleration remains uniform?

    asked by ravi
  16. value

    A carpet is placed in a room 5m by 4m,leaving a margin of 50 all around .find the cost of this carpet at sh 63 persquare

    asked by value
  17. math

    a carpet is place in a room 5m by 4m,leaving a margin of 50cm all around .find the cost of this carpet at shillings 63 persquare

    asked by value
  18. Math

    150 parents went to a PTA meeting. There were 4 times more women than men in attendance. How many women attended and how many men attended?

    asked by Suzzie
  19. math

    (5-2*.5)(4-2*.5)(63)

    asked by value
  20. dynamics

    A train which is moving with uniform acceleration is observed to take 20 and 30 seconds to travel succesive 0.4km.how much far then will it travel before coming to rest, if the acceleration remains constant

    asked by ravi
  21. math

    i wanted to get the answer for (5-2*.5)(4-2*.5)(63) but am confused

    asked by Anonymous
  22. subject/verb agreement english 8th

    Shortly after taking office, presidents appoint the members of their Cabinets. I think it is correct...but I am not sure.(other than maybe it should just be Cabinet) singular form? thanks

    asked by mark
  23. geometry

    a point moves so that its distance from the origin is twice its distance from the point (3,0) show that the locus is a circle and find its centre and radius

    asked by tundr
  24. english 8th subject verb agreement

    The flock of ducks flapping (its, their) wings gracefully overhead made very little noise. I think it's their Thank you.

    asked by mark
  25. social science

    the need to preserve and protect the Khajuraho temple

    asked by harini
  26. Math

    Martina trains for a marathon. In her first week of training she runs 5 miles. Each week after that she increases her run by 0.8 miles. How many weeks of training will it take before she runs more than 36 miles

    asked by Linnea
  27. math

    solve dy/dx = y^2 - 4 using Separation of Variables?

    asked by tasnim
  28. Math

    Lani is 3 times older than Tin . In 15 years the sum of their age is 38 . What is their present age ? Please help me .

    asked by Jayson
  29. science

    why ac current has variable frequency and voltage? I din't understand about hertz. please make me clear about it?

    asked by rabin
  30. chemistry

    The molecular formula of 2.68g hydrated sodium sulphate is Na2SO4.nH2O.If the mass loss on heating is 1.26g then calculate the value of n.

    asked by Farha
  31. math

    A family ticket costs Rs 25 would it be cheaperfor a family of two adults and two childern to buy a family ticket?

    asked by Anonymous
  32. Algebra 2

    The amount of time required to stack boxes varies directly with the number of boxes inversely with the number of people who are stacking them. If 2 people can stack 60 boxes in 10 minutes, how many minutes will be required for 6 people to stack 120 boxes?

    asked by Dee
  33. Algebra 2

    The heights of 200 kindergarten students are normally distributed with a mean of 40 and a standard deviation of 1.8 inches. Approximately how many students have a height between 37.3 inches and 44.5 inches?

    asked by Dee
  34. science

    use the terms atome and element to xplane what makes silver and gold different

    asked by mohammad
  35. Chemistry

    What is the oxidation state of Fe in Fe(CO)5

    asked by Anonymous
  36. Science

    What is the Largest Valve coming from the heart? Please help?? I think it either veins or the Aorta, but I'm not positive.

    asked by Anonymos
  37. Math

    Macy spent 2hrs on homework she spent 1/4 of time working on math how much time did Macy spend on math homework

    asked by Bailee
  38. Pre-Calculus

    sketch f(x) such that f(x) is increasing on (-inf,-2) and f is decreasing on (-2,0), f(x) has point discontinuity at x=-2, f(x) has a horizontal asymptote of y=4, f(x) is an odd function.

    asked by Tod
  39. science

    Distillation and evaporation are methods to ______.

    asked by anonymous
  40. Complete the two-column proof

    Complete the two-column proof Given: triangle SVX is congruent to triangle UTX and Line SV is || to line TU Prove: VUTS is a parallelogram Image: It's a parallelogram, with one line going from corner S to corner U and a line going from corner T to corner

    asked by Unknown
  41. chemistry

    when water boils, there is bubbles that rise to the surface of the water. What is inside these bubbles? air

    asked by eunice
  42. math

    the number of blocks has 9 in the ones place. the number in the hundreds place is one more than the number in the tens place. those two numbers equal 11. how many blocks are there?

    asked by anthony
  43. Math

    Simplify the expression. 1/4(24-16x) A. 6+4x B. 6+4 C. 6-4x*** D. 6-4

    asked by EmberShy
  44. Math

    I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took

    asked by John
  45. Math

    Which property is illustrated by the following statement? 2x(6) = (6)2x A. Associative property of Addition B. Commutative property of Multiplication*** C. Inverse property of Multiplication D. Commutative property of Addition

    asked by EmberShy
  46. Algebra

    Working alone, it takes Julia 16 hours to clean an attic. Lea can clean the same attic in 15 hours. If they worked together how long would it take them?

    asked by Fidelis
  47. chemistry

    which characteristics of solid, a liquid, and a gas are exhibited by each of the following substances? how would you classify each substance? A. a bowl of pudding will be solid and B. a bucketful of sand wiil be solid

    asked by eunice
  48. Pre-cal/trig

    A dog is attached to a 21​-foot rope fastened to the outside corner of a​ fenced-in garden that measures 18 feet by 22 feet. Assuming that the dog cannot enter the​ garden, compute the exact area that the dog can wander. I'm confused as to how they

    asked by Aiden
  49. math

    Find a number which has the same ratio to 25 as 80 to 125

    asked by ferdinand
  50. Math

    What is the area of a rectangle with width 2525 in. and length 3535 in.?

    asked by Madisen
  51. Language Arts

    What is a stressed sillable???????? Help!

    asked by Anonymos
  52. English

    In what form of poetry are the poems shaped to look like their subjects? A) limerick B) haiku C) concrete D) narrative I THINK D

    asked by Evie
  53. Maths, Accounting, Life Orientation, Life Science, Physical Science, English and my home language (sepedi)

    Could I become a social worker with those subjects?

    asked by Pamela Mosoane
  54. Physical Science.

    I need help answering this inferring question because I don't fully understand it. Q: Infer whether the size of an object's displacement could be greater than the distance the object travels.

    asked by Kristen
  55. English

    1. The sound device in which vowel sounds of nearby words are repeated is called (1 point) alliteration assonance consonance onomatopoeia 2. The word wail is an example of (1 point) alliteration assonance consonance onomatopoeia 3. In “The Rime of the

    asked by boo
  56. Partial Sums

    Suppose that the nth partial sum of the series   ∞ Σn=1 an   is  sn =   5n − 2 5n + 2  

    asked by Tim
  57. Partial Sums

    Suppose that the nth partial sum of the series ∞ Σan is Sn = (5n-2)/(5n+2) n=1   Find a3. I have tried plugging in n = 3 and solving Sn as well as summing the first three terms of the series to find a3. I believe something is wrong with my approach

    asked by Tim
  58. Maths

    A tap leaks at the rate of 2 cm cube per sec.How long will it take the tap to fill a container of 45 litres capacity?

    asked by Emerald
  59. Geometry

    Carlos is making cookies. The recipe calls for 1 cup of sugar for every 3 cups of flour. Carlos has only 2 cups of flour. How much sugar should Carlos use?

    asked by Erin
  60. math

    Plz check my work 8*8=64 9*9=81 7*8=56 7/21=3 8/32=32

    asked by spongebob squrepants
  61. Math

    Jan's gas tank is nearly empty, at 1\12 full. She doesn't have enough cash to fill the tank, but she adds enough gas to reach 2\3 full. How much gas did she add, as a fraction of the tank?

    asked by Jeannette
  62. English

    Which of the following is a multiple-meaning word? A) GREED B) TURTLE C) MONITOR D) HEALTH I think C Thanks in advance for your guidance

    asked by Evie
  63. gpc

    Which of the following is the biggest concern of the neighbors of Israel?

    asked by Anonymous
  64. science

    what are examples of a biomass fuel A.oil B. natural gas C.wood D. coal

    asked by <kyky
  65. Math

    If 19 be added to fourt times a certain number the result is 4 less than three times of the number find the number

    asked by Shadab
  66. Calc

    R is the region below the curve y=x and above the z-axis from x=0 to x=b, where b is a positive constant. S is the region below the curve y=cos(x) and above the x-axis from x=0 to x=b. For what value of b is the area of R equal to the area of S? I know the

    asked by Will
  67. Math Help

    I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took

    asked by John
  68. math

    Brahim completed 18 free throws and missed 12. Using experimental probability, how many free throws is he predicted to complete in the next 100 tries?

    asked by jacob
  69. Math

    The table shows the results of a spinner with four colored sections. Use the table to answer the question. The spinner is spun 50 more times. Which is the best prediction for the number of times the spinner will stop on blue?

    asked by jacob
  70. maths

    if three egg is 100niara hw much is one

    asked by sunday ola
  71. math

    A bag contains 45 marbles of various colors. Jon draws 60 times, each time replacing the marble before drawing again. He gets a total of 12 blue marbles. Which is best prediction of how many blue marbles are in the bag?

    asked by jacob
  72. english 3

    To win an argument is seldom a desirable goal.

    asked by Anonymous
  73. english

    Pinocchio's lies cause his nose to grow, but when he ___ it returns to its usual size.

    asked by jacob
  74. maths

    The fith term of an arithmetic sequence is 23 and the 21th term is 72 Determine the first three terms of the sequence and the nth term

    asked by lerato
  75. english3

    Even a young actor can appear old through the ___ of stage makeup.

    asked by jacob
  76. PE

    What is an example of flight path of projectile force and range? Explain from start to finish, the flight path of a projectile in the physical activity you chose.

    asked by Anonymous
  77. english

    I have to write a metaphor on how someone felt after spending their summer vacation watching quiz shows and soap operas on tv. What would someone feel after that? All I need is the feeling, nothing more.

    asked by Nora
  78. Biology

    A green flower (GG) is crossed with a white flower (gg). Which combination of alleles is a possible outcome? * a. GG only b. gg only c. Gg only Not sure to be honest? Help?

    asked by Amber
  79. Math

    A Verapamil suspension is made from six tablets of 120 mg each. The recipe calls for each to be crushed and mixed with a small amount of water, the qs to a final volume of 60 mls. What is the final concentration? A. 12 mg/ml B. 20 mg/ml C. 10 mg/ml D. 60

    asked by TK
  80. Social Studies

    1. How did Zimmermann Note lead the United States closer to War? A. It caused the United States to end diplomatic relations with Germany B. It resulted in more U-boat attacks on American ships C. It increased American public opinion against Germany. D. It

    asked by EmberShy
  81. Pharm Math

    10. Which of the following does NOT cause sedation? A. Prazosin B. Buspirone C. Alprazolam D. Sucralfate

    asked by TK
  82. Pharmacy

    11. Which of the following may be taken by someone with peptic ulcer disease? A. Motrin B. Naprosyn C. Tylenol D. Mobic

    asked by TK
  83. Pharmacy

    13. How much codeine is needed to prepare 120 ml of a cough syrup with a codeine concentration of 15 mg/ml? A. 8 gm B. 800 gm C. 1.8 gm D. 180 mg

    asked by TK
  84. Algebra

    In , is a right angle. Find the remaining sides and angles. Round your answers to the nearest tenth. Show your work. a = 3, c = 19

    asked by Jamie
  85. Pharmacy

    14. How often should a Clonidine patch be changed? A. Daily B. Every 3 days C. Weekly D. Monthly

    asked by TK
  86. maths

    a large pizza pie with 15 slices was shared among p student so that each student get 3 slices how many students got the pizza (word problem involving fraction)

    asked by Ufuro
  87. Pharmacy

    18. Every medication has a brand name and a generic name. True or False.

    asked by TK
  88. PE

    Name the three important components of the skill acquisition process and explain what each process means.

    asked by Anonymous
  89. english

    Decide if the underlined pronoun in the sentences below is used as a subject, a predicate nominative, or an appositive. 15. Both Ben and "he" will graduate at the same time. (1 point) subject *** predicate nominative appositive 16. The driver of that

    asked by searcher
  90. Partial Sums and finding a certain term

    Suppose that the nth partial sum of the series ∞ Σan is Sn = (5n-2)/(5n+2) n=1   Find a3. I have tried plugging in n = 3 and solving Sn but that is incorrect. I believe something is wrong with my approach and I would be happy to get some guidance.

    asked by Tim
  91. english

    4. I think Bob will graduate a year earlier than _______. (1 point) he him !!!! 5. Certainly no one laughed as loud as _______. (1 point) her !!!! she 6. Jackie is much taller than ______. (1 point) me !!!! i

    asked by boo
  92. Math

    Model 24% on a 5x5 grid.

    asked by Someone new
  93. Social studies

    What believe united the progressive movement? A. That societies problems could be solved B. That education needed reform C. That there should be a federal income tax D. That political bosses should not hold office What was the main reason for the creation

    asked by Liziana
  94. english

    Except for Ronnie and ______, everyone was on time. him**** he Between you and ___, I know the answer to the mystery I**** me Leave your message with Ms. Hirioka and ______ me I**** It was Geraldine Ferraro______ ran for vice president in 1984. who*** whom

    asked by Josh
  95. MATH HELP

    I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took

    asked by Johnathan (John)
  96. PE

    When reading a recipe ingredients, which substance makes the recipe an unhealthy choice if it is present in a high amount? Parentheses are the ones i answered. 1.fiber 2.protein 3.trans fat 4.(unsaturated fat)

    asked by Help I need somebody not just anybody
  97. PE

    Of the five food groups, which one should be consumed in the smallest amount? 1.(dairy) 2.fruits 3.grains 4.protein

    asked by Help I need somebody not just anybody
  98. PE

    Which food would be considered to be a nutrient-poor snack choice? 1.low-fat yogurt 2.nuts and raisins 3.(fruit-filled donuts) 4 raw vegetables

    asked by Help I need somebody not just anybody
  99. PE

    Your doctor tells you that you and your twin sister have the same basal metabolic rate (BMR). You live independent lives and do your own thing, so how can that be? Which factor is likely the reason? 1. your age 2. your appetites 3.(your required Daily

    asked by Help I need somebody not just anybody
  100. math

    Yesterday, the price of a car Andy wanted to buy was $20,000. Today the car is on sale for $15,000.00. What is the percent decrease in the price of the car?

    asked by alli
  101. PE

    Ben noticed that his BMI places him as overweight. He would like to lose a few pounds to achieve a healthy weight. Which of the following choices will best help him lose extra pounds and maintain a healthy weight?

    asked by Help I need somebody not just anybody
  102. PE

    To eat more healthful and decrease your calorie intake, MyPlate recommends that you 1.eat breakfast, lunch, and dinner with no snacks in between meals. 2.eliminate starchy vegetables like potatoes, corn, and lima beans that are high in carbohydrates.

    asked by Help I need somebody not just anybody
  103. MATH

    WHAT IS 5G +11 -6G?

    asked by Girl with No Life
  104. Physical science

    Explain whether the size of an object’s displacement could be greater than the distance the object travels.

    asked by Taylor
  105. Chemistry help??!

    A student reduces the temperature from a 300 cm3 balloon from 60°C to 20°C. What will the new volume of the balloon be? 264 cm3

    asked by Vee
  106. chemistry

    how many unpeeled electrons are in this configuration 1s2 2s2 2p6 3s2 3p3

    asked by Emmanuel
  107. chemistry

    how many unpaired electrons are in this configuration 1s2 2s2 2p6 3s2 3p3

    asked by Emmanuel
  108. Math

    The following equation expresses a relationship in terms of one variable. However, you are asked to rewrite the equation in terms of a different variable. L = 2M + 2N N = ?

    asked by Anonymous
  109. socialstudies

    How are the amazon,Nile and Mississippi Rivers alike?

    asked by ved
  110. Chemistry

    "What volume of water must be added to 100ml of 15 M of H2SO4 to dilute to 5.0M?" I've tried using lots of different methods but keep having the same answer and don't know if the answer book is wrong or if it's me. Thanks!

    asked by Josie
  111. math

    express the ratio as a fraction in its lowest terms 26:364

    asked by Andrianna
  112. Math

    Adam used the three fractions to make a circle graph and colored each a different color. What fraction of the graph is not colored?

    asked by Anonymous
  113. Angles and unit angles

    Kurt cut pizzas into wedges measuring 40 degrees.if each person eats one piece of pizza,how many people could he feed with two whole pizzas

    asked by Jmya
  114. math

    Lexie is painting her fence. each foot of the fence requires 3/5 of a gallon of paint. Her fence is 8 3/4 feet long.what is the total amount of paint,in gallons Lexie needs to paint her fence?

    asked by jamie
  115. solar energy

    If the price for Wp of a PV panel is €1 and the external costs are €400, and considering an efficiency of electricity to heat conversion of 85%, how much (in €) will it cost to cover 5805 W of energy with PV technology?

    asked by JORGE
  116. Math: Geometry

    ok so i am really confused on my assignment. So What we are suppose to do is take pattern blocks (a triangle, square, hexagon, rhombus, trapazoid, and small rhombus) and see how many can go around a central point. I figured out that there are 6 possible

    asked by Melissa
  117. Math

    Need help

    asked by Jenny
  118. Chemistry

    For the reaction of 2 HCl + Na2CO3 -> H2O + CO2 + 2 NaCl, how can I visually identify the limiting reagent, without any calculations? If I have a very high percent yield, what would be a good reason for it, considering that the HCl was diluted to 0.050 L

    asked by Benjamin
  119. Math

    Which Phrase means the same as 4p-6 A 4 less then the product of 6 and a number p B 4 less than the quotient of 6 and a number p C the quotient of 6 and 4 time a number p D 6 less than the product of 4 times a number p

    asked by Jenny
  120. science

    Calculate the work done in each of the following situations. (a) A horse pulls a wagon with a force of 1200 N and moves it 15 m. (b) A cable lifts an elevator 16 m by using a cable with a tension force of 2500 N. -How much work is required to lift a 35-kg

    asked by james
  121. English-please help

    In 1886, the Statue of Liberty was dedicated. What is the meaning of the word "dedicated" in this context? Can't seem to find the meaning from the dictionary.

    asked by chimingbell
  122. Reading

    A summary for the story of LAFFF with 3 sentences

    asked by Anahy
  123. Math, algebra

    A farmer buys a tractor for $50,000. If the tractor depreciates 10% per year, find the value of the tractor in 7 years. Round to the nearest penny.

    asked by Anonymous
  124. Chem

    Balance the equation Ca(NO3)2 + NaOH yields Ca (OH)2 + NaNO3

    asked by Anonymous
  125. Chemistry

    If 23.2 grams of ammonium nitrite react to form 10.1 grams of nitrogen, how many grams of water must simultaneously be formed?

    asked by Anonymous
  126. Social studies

    Early Greeks lived by 1.fishing 2.trade 3.herding goats and sheep 4.(all of these)

    asked by Help I need somebody not just anybody
  127. Math

    Verizon has two different cell phone plans. The cost, Y, of plan A is $11 a month Plus $.21 per minute. The cost, Y, of Plan B is $20 a month plus $.10 per minute. After how much time to the nearest minute will the cost of plan a B equal to the cost of

    asked by Sara
  128. Math, algebra

    A farmer buys a tractor for $50,000. If the tractor depreciates 10% per year, find the value of the tractor in 7 years. Round to the nearest penny.

    asked by Anonymous
  129. Geometry

    write the following reversible statement as a biconditional: If two perpendicular lines intersect, they form four 90 degree angles. -Two intersecting lines are perpendicular if and only if they form four angles. -Two intersecting, perpendicular lines do

    asked by Blurryface
  130. Social studies

    Who could be citizens of Greek city-states? 1.native-born men and women 2.free, native-born, land-owning men 3.(land-owning women) 4.foreign-born men

    asked by Help I need somebody not just anybody
  131. Calculus

    How do you fine the derivative of (x-3)^-3

    asked by Angie
  132. Social studies

    In America, who has the right to vote? 1.all citizens 2.adult males 3.all citizens, 18 years and older 4.males and females

    asked by Help I need somebody not just anybody
  133. 6 grade math

    I can't upload the image but I need help . Coordinates are connected them all. (0,0), (-9,0) , (-3,6) , (0,6) I have to draw a smaller sides that are 2/3 the length of the original. What I know is : 2/3= o.66 So after counting the squares from diagram I

    asked by Jessica
  134. Math

    The discounted price of a book is 85% of the original price. This is a savings of $3. A sales tax of 8% will be added to the discounted price. How much sales tax will be added?

    asked by Kaity Bear
  135. Social studies

    Athenian laws are 1.proposed by the council 2. (approved by half the assembly)

    asked by Help I need somebody not just anybody
  136. Math

    Matthew and Christopher set up their Teenage Mutant Ninja Turtles in a big circle, spacing each turtle equal distance from its neighbors. They then begin counting them in order around the circle, but they lost track of where they started before they finish

    asked by hana
  137. math

    A student made 8 round trips to and from college.If each round trip was 214 miles about how many miles did the student travel in all?

    asked by Lonhe
  138. Social studies

    In America, citizens with voting rights can 1.make the laws 2.vote for or against any law 3.propose new laws 4.(vote for or against the officials who make the laws)

    asked by Help I need somebody not just anybody
  139. math

    If 3/8 students were absent, what fraction were present?

    asked by Anonymous
  140. math

    There are 24 member on the team. The team is 7/12 girls and 5/12 boys. How many more girls are on the team than boys?

    asked by Fallon
  141. Chemistry

    Radon-222 is a radioactive gas with a half-life of 4 days. Approximately how much of a 40 g sample of radon-222 would remain after 12 days?

    asked by Luna
  142. Math

    Kelly spends 5 hours making pizzas. Each pizza takes her 1/4 hour to make. When she is finished, all of the pizzas are shared equally among 6 families. How many pizzas does each family receive?

    asked by Jaeda
  143. math

    If the half life is 24360 years and after 1000 years I have 2.1 gm left, what was the initial qty. Doing it in a common sense way keeps giving me 51gm and that doesn't make sense. formula is y=ae -bt

    asked by Amy
  144. algebra

    The segment joining p1(-4,-7)and p2(6,9)is divided in to four equal parts find the points of division

    asked by Sharon
  145. chemistry

    H3PO4 + 3KOH = K3PO4 + 3 H2O What would be the percent yield if you reacted 49.0g of H3PO4 with 112g of potassium hydroxide, and collected 25.0g of water?

    asked by andi
  146. MATH HELP

    I am trying to work this problem out. I know that the systematic counting principle is used. However, I cannot get the right answer. For the first part, I took R=2 N=6 6!/(6-2)! (Permutation). Answer: 30 choices for the Chair/Vice The second part, I took

    asked by Johnathan (John)
  147. Math

    The segment joining p1(-4,-7)and p2(6,9)is divided in to four equal parts find the points of division

    asked by Sharon
  148. Foundations of Algebra

    20. Is it more difficult to walk up the ramp (6 ft high 8 ft long) or the hill (8 ft high, 12 ft long)? I am confused on this.

    asked by Roshni
  149. algebra

    Eye color is determined by genetic combination. Let R represent the gene for brown eyes and L represent the gene for blue eyes. Any gene combination including R results in brown eyes. Consider the offspring of a parent with homozygous brown-eyed,RL,gene

    asked by Anneliese
  150. Geometry

    The segment joining p1(-4,-7)and p2(6,9)is divided in to four equal parts find the points of division

    asked by Sharon
  151. 6th grade Math

    two more than seven times Lynn's age

    asked by Kayla
  152. math

    A pencil costs $3.50 and a pen costs $6.70. Jessica bought m pens. She also bought 4 fewer pencils than pens. Write an algebraic expression for the total amount she spent and solve the expression.

    asked by
  153. math

    ned folded a set of origami figures. Of this set, 5/8 are cranes and 1/6 of the remainder are frogs. The rest are grasshoppers. What fraction of the origami figures are grasshoppers?

    asked by teresa
  154. math

    The discounted price of a book is 85% of the original price. This is a savings of $3. A sales tax of 8% will be added to the discounted price. How much sales tax will be added?

    asked by jay
  155. 6th Grade Math

    60% of the product of one-twelfth y and two-thirds z

    asked by Anonymous
  156. Algebra

    X2/y+y2/x/y2-day+x2

    asked by Anonymous
  157. Math

    Ms.smith has $660 to spend on parking and admission to the zoo.The parking will cost $10,and admission tickets will cost $10 per person, including tax.Write and solve an equation that can be used to determine the number of people that she can bring to the

    asked by Obiageri
  158. math

    maya and winston share some cookies in the ratio 2:3. maya had 3 fewer cookies than winston how many cookies they share altogether?

    asked by sophia
  159. sign language

    how do you change a statement in american sign language For example: 1) change the orders of sign 2) change the palm orientation of the signs 3) change your facial expression 4) change the handshapes

    asked by rashawn
  160. calculus

    how do you find the derivative of this (-x^2)/ (2) +2 and does it have any x intercepts, asypmtotes, or holes.

    asked by angie
  161. Math

    62 students in fourth grade 12 more boys than girls how many girls in 4th graded

    asked by Gin
  162. math

    3x^3-12x Factor Completely I forgot how to do this problem please explain it to me so i can take notes.

    asked by Edgard
  163. Math

    Rectangle A is 8 cm long and 4 cm wide. Rectangle B is 4 cm long and 2 cm wide. What is the ratio of the area of rectangle A to rectangle B? 8x4=32 4x2=8 32:8 Is my answer correct?

    asked by Rene'
  164. English

    Read the following sentences from the story "Loyalties." I was twelve years old at the time. One afternoon my father came rushing home earlier than usual. "Wife," he shouted to my mother who was out the back preparing food; "wife, have you not heard the

    asked by Fading
  165. Calculus

    Hello, I would like to make sure the answers to these questions are correct. 1. Using the shell method, what is the volume of a solid that is generated by rotating the region by y = x^2 and x = y^2 about the x axis. My Work: r = y h = sqrt(y) - y^2 2pi

    asked by Daisy
  166. math

    A 10 meter ladder is placed against a building at an angle of 75 degree with the ground. how high up the building does the ladder reach?

    asked by dav
  167. Maty álgebra

    Avatar la the answer of a plumber has a very long piece of pipe that is used to run city water parallel to a major roadway.The pipe is cut into two two sections.One section of pipe is 12ft.shorter than the other.If 34 of the leght of they shorter pipe is

    asked by Nahomy
  168. math

    the angle of elevation of the sun is 78 degrees. How long is the shadow of a 30m tree?

    asked by shil
  169. Physics

    A child uses a rubber band to launch a bottle cap at an angle of 35.5° above the horizontal. The cap travels a horizontal distance of 1.30 m in 1.60 s. What was the initial speed of the bottle cap, just after leaving the rubber band?

    asked by Anonymous
  170. Chemistry

    Write the symbol for the elements that fit the following descriptions 1. 10 electrons in each -3 ion 2. 18 electrons in each +2 ion 3. The alkaline earth metal in the third period

    asked by Marissa
  171. math

    The angle of elevation of the sun is 78 degrees. How long is the shadow of a 30m tree?

    asked by Anonymous
  172. Biology

    An example of homologous structures would be our front teeth and ___: a. the mandibles of a crab b. the mouthparts of a mosquito c. the beak of a bird d. the tentacles of a sea worm e. the front teeth of a horse I'm having difficult on which answer is

    asked by KC
  173. Chemistry

    Calculate the minimum time, in minutes, required to deposit 40g of copper using a current of 20A.

    asked by kat
  174. Chemistry

    Determine the mass of chlorine produced when 200A of current flows for 24 hours through a cell of molten NaCl.

    asked by kat
  175. physics

    A ball of mass 0.1kg is dropped from a height of 8m into a hard floor and bounces back to a height of 2m calculate the velocity when the ball hits the ground, the velocity with which the ball leaves the ground,the momentum when the ball hits the ground

    asked by baby
  176. Global Studies

    Humans migrated to the following areas in which order? A. 1,2,4 and 5 B. 1 and 3,6,2 C. 3,1 and 4,5 D. 3,6,1 and 2 The map is here: imgur. com/a/AuOMb

    asked by Crai
  177. applied dog behavior

    Which one of the following would be the best type for training with a litter box

    asked by g
  178. Math

    which would you measure using feet 1.length of your finger 2.length of your school 3.(length of your room) 4.distance across town

    asked by Help I need somebody not just anybody
  179. math

    find the ratio of the length of the blue rectangle, to the length of the green rectangle, repeat this for width, perimeter and area

    asked by Anonymous
  180. math

    find the ratio of the length of the blue rectangle, to the length of the green rectangle, repeat this for width, perimeter and area blue rectangle is 2 ft by 3 ft green rectangle is 4 ft by 6 ft

    asked by Anonymous
  181. social studies

    which of the following reasons was least important in Texas decision to secede A. support for slavery B. opposition to tariffs C.desire to form calvary units D. belief in states rights

    asked by I NEED HELP ASAP PLS
  182. social studies

    which Texas leader opposed sam houston over the issue of secession a. john bell hood b. Francis lubbock c. john magruder d. john reagan

    asked by I NEED HELP ASAP PLS