Questions Asked on
November 21, 2014

  1. MATH ONE QUESTION!!!!!!

    The graph shows the number of handbags that Mandy made in one day. What are the variables? Describe how the variables are related at various points on the graph. I will attach the graph in the comments right now:)

    asked by SURFINGLOVER
  2. Math Help!!!

    please check my answers 1. Find the length of the hypotenuse of a right triangle with the legs of 9cm and 12cm A.8 B.21 C.15 *** D.225 2.The length of a hypotenuse of a right triangle is 13cm. The length of one leg is 5cm. Find the length of the other leg.

    asked by math help asap
  3. Math Help!!!

    what is the solution to square root -75 to the nearest integer? 9******* 8 -8 -9

    asked by math help asap
  4. Chemistry

    Balance the following equation in basic conditions CoCl2 (s) +Na2O2 (ag) ----> Co(OH)3 (ag)+Cl- (ag) + Na+ (ag)

    asked by lori
  5. math

    The temperature in your house is controlled by a thermostat. The temperatures will vary according to the sinusoidal function:f(x)=6sin(pi/12(x-11)+19, where f(x) represents the temperature in degrees Celsius (°C) and x is hours since midnight. What is the

    asked by Anonymous
  6. Chemistry

    in a particular redox reaction, MnO2 is oxidized to MnO4– and fe3+ is reduced to fe2+. Complete and balance the equation for this reaction in acidic solution. Phases are optional.

    asked by lori
  7. Science Help

    Which of the following statements describes the conservation od a natural resource? A. A factory burns coal to run its machines. B. A solar energy company harvests energy from sunlight. C. Lights in a house are turned off when not in use. D. A wind energy

    asked by Callie
  8. Math Help!!!

    . note: remember to show all of the steps that you used to solve the problem. at a halftime show, a marching band marched in formation. the lead drummer started at a point with coordinates (-2,-5) and moved 3 steps up and 1 step right. a. write a rule to

    asked by math help asap
  9. Math Help

    You got to go out to eat with your family, and you agree to leave the tip. What is a 15% tip on a $60.00 bill? A. $3.00 B. $6.00 C. $9.00 D. $12.00 Is the answer C? Thank you

    asked by Callie
  10. Math

    The police can determine the speed a car was traveling from the length of the skid marks it leaves. The function they use is S = f(L) = 2sqrt(5L) where S is speed (mph) and L is the length of the skid marks (feet) (a) If skid marks of length 125 feed are

    asked by Dawn
  11. Science Help

    Which of the following is not a goal of the clean water act? A. Controlling water pollution from point sources B. Encouraging voluntary cooperation by citizens related to nonpoint sources of pollution. C. Educating citizens about the importance of reducing

    asked by callie
  12. Physics

    Two workers are sliding 310kg crate across the floor. One worker pushes forward on the crate with a force of 440N while the other pulls in the same direction with a force of 230N using a rope connected to the crate. Both forces are horizontal, and the

    asked by omar
  13. Science Help

    Selectively cutting down trees on an area of land can best be describes as A. Cutting down certain trees while leaving other trees standing. B. Cutting down all of the trees and smaller plants. C. Cutting down none of the trees on the land. D. Cutting down

    asked by Callie
  14. math

    At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 50 meters and a diameter of 35 meters. It takes the wheel three minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates

    asked by jackie
  15. math

    At the amusement park, you decide to ride the Ferris wheel, which has a maxmum height of 80 meters and a diameter of 40 meters. It takes the wheel seven minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates

    asked by jackie
  16. Math

    A group of scientists found a new species of spider in the desert. The body temperature of the spider appears to vary sinusoidal over time. A maximum body temperature of the spider reaches 125? after 15 minutes from the start of the examination. Then, 14

    asked by Anonymous
  17. Science Help

    Which of the following is not a nonrenewable resource? A. Oil B. Petroleum C. Corn D. Gasoline Is the answer A? Thank you

    asked by Callie
  18. Math Help

    Estimate 78% of 20. A. 14 B. 16 C. 19 D. 2 Is the answer B? Thank you

    asked by Callie
  19. math

    At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 80 meters and a diameter of 40 meters. It takes the wheel seven minutes to make one revolution. Write the sinusoidal function, f(t), that models the height of your

    asked by kat
  20. Physics

    Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.1 kg · m2 and an angular velocity of +8.0 rad/s. Disk B is rotating with an angular velocity of -10.2 rad/s. The two disks are then linked together without the aid of any

    asked by Morgan
  21. physics

    A bowling ball of mass 9 kg hits a wall going 11 m/s and rebounds at a speed of 8 m/s. What was the impulse applied to the bowling ball?

    asked by kristine
  22. science

    which of the following shows the path followed by nerve impulses in a reflex motor neurons,interneurons in brain,sensory neurons or sensory neurons,interneurons in brain, motor neurons

    asked by Anonymous
  23. math

    sue buys 8.5 pounds of chicken to make tacos. she uses 0.3 pound of chicken. how many tacos can sue make? how many pounds of chicken are left over?

    asked by Cosmic
  24. Math Help!!!

    In this unit, you learned about different types of numbers that make up real numbers. Note the different types of numbers and provide two examples of each. Which of the number types is easiest for you to identify? Why?

    asked by math help asap
  25. college algebra

    An investment initially worth $5300 earns 7.7% annual interest, and an investment initially worth $8000 earns 5.6% annual interest, both compounded annually. How long will it take for the smaller investment to catch up with the larger one?

    asked by Brett
  26. plz help. math

    a caterer is planning a large dinner party for 165 guest. each table must get an equal number of guest, more than 1 guest and fewer than 20. Determine the number of possible table sizes. if the caterers use 11- person tables. how many will they need? there

    asked by Beckey!
  27. Physics

    A 24.5-kg child is standing on the outer edge of a merry-go-round which has moment of inertia 989 kg • m2 and radius 2.40 m. The entire system is initially rotating at 0.180 rev/s. Find the angular velocity if the child moves to a final position 1.10 m

    asked by Anonymous
  28. Geography

    How has mexico's culture been shaped by conflict among other people?

    asked by Connor
  29. Int.science/Laws of Thermodynamics

    The efficiency of the engines in the two previous problems are the same, comparing the input and output temperatures. True False

    asked by Casey
  30. Science Help

    Using coal for fuel releases pollution into the atmosphere. Why do people continue to use coal if it causes pollution? A. Using more coal reduces the amount of pollution from using oil. B. Using coal is realtivly inexpensive. C. Mining coal helps

    asked by Callie
  31. physic

    A cannon ball is fired at an angle of 30° above horizontal with an initial speed vi = 55 m/s. Assume the cannon ball leaves the cannon at ground level and ignore air resistance. (a) How long is the cannon ball in the air? (b) How far from the base of the

    asked by Nicolas
  32. chem

    19. A radioactive nucleus decays to yield a bismuth-211 nucleus and an alpha particle. What was the identity of the original nucleus? Show the nuclear equation that leads you to this answer.

    asked by Zak
  33. English/concrete nouns

    Select all of the concrete nouns. iron anger faith toolbox perseverance lamb grace tooth I think it's B,C,E, and G

    asked by Casey
  34. physics

    an ice skater applies a horizontal force to a 20 kg block on frictionless, level ice causing the block to accelerate uniformly at 1.4 m/s^2 to the right. after the skater stops pushing the block it slides onto a region of ice that is covered with a thin

    asked by Maria
  35. Math

    Find all values of c such that 3^(2c+1)=28*(3^c)-9. If you find more than one value of c, then list your values in increaing order, separated by commas.

    asked by Lilly
  36. math

    A manufacturer of lapel buttons test marketed a new item at a university. It was found that 1,000 items could be sold if they were priced at $4, but only 600 items could be sold if the price were raised to $8. On the other hand, the manufacturer finds that

    asked by Kendall
  37. physics

    A dog sled team is pulling a sled across a flat patch of snow. The total force exerted by the four dogs is 475 N (applied horizontally). The sled (with driver on it) weighs 350 kg. and the coefficient of kinetic friction between the sled and the ground is

    asked by Nicolas
  38. Spanish

    in spanish Tell 3 things you do in the morning using reflexive verbs

    asked by Asia
  39. Math

    Beginning January 1, Community Hospital had 175 inpatient beds. On June 15, the bed count was increased to 200. The hospital provided 67,106 service days to inpatients and 68,012 service days to discharged patients. In addition, there were 9,601 admissions

    asked by Beth
  40. physics

    A particle of mass and initial velocity strikes a stationary particle of mass . The collision is elastic. It is observed that after the collision the particles have equal and opposite velocities: Find (a) the ratio ; (b) the velocity of the CM (before and

    asked by Alex
  41. MAth Help

    The function f(t)=22sin(piT/3 -5)+80 is used to represent the changes in temperature of a chemical compound used in a lab. What is the vertical shift? I got the answer of 6. Is this correct?

    asked by Anonymous
  42. Physics

    Starting from rest, a basketball rolls from the top of a hill to the bottom, reaching a translational speed of 3.83 m/s. Ignore frictional losses. (a) What is the height of the hill? I've tried to use the mgh=1/2mv^2. I think it's because it's

    asked by Stacie
  43. chemistry

    a mixture of 39.8g containing potassium chloride and potassium trioxochlorate (v) upon heating, the residue weighed 28.7g what is the percentage mass of potassium chloride in the residue?

    asked by jacob
  44. Chemistry

    A 3.78 g sample of ethanol (C2H5OH) was burned completely in a bomb calorimeter. The temperature of the calorimeter plus the contents increased from 25.6oC to 35.2oC. Knowing that ethanol's heat of combustion is -3600 kJ/mol, calculate the total heat

    asked by Amanda
  45. math

    write the folowing in ascending order:2/3, 1/2, 4/5, 7/20

    asked by Anonymous
  46. Math

    Pierre is pouring concrete to create the foundation of a square deck covering 112 square feet. Which is the best estimate of one side of the deck? Round to the nearest tenth, if necessary. 10 ft 10.3 ft 10.6 ft 11 ft I'm going with 10.6. Am I correct?

    asked by Jaxon
  47. dr.virendra swarup educationcentre

    Construct a triangle ABC such that BC=5.2 cm , AB=4.8cm and median CM= 3.6cm

    asked by sachin
  48. Math

    A tightrope walker attaches a cable to the roofs of two adjacent buildings. The cable is 23.5 m long. The angle of inclination of the cable is 13 degrees. The shorter building is 12.0 m high. What is the height of the taller building to the nearest tenth

    asked by Anonymous
  49. English PLEASE!!!

    A thermostat is a device used to adjust the temperature indoors. Which of the following explanations best interprets the author's intended meaning in the bolded words in following sentence? "The Church was a thermostat that transformed the mores of

    asked by school lover
  50. Math

    Joanie takes a $6,000 loan to pay for her car. The annual interest reate on the loan is 12%. She makes no payments for 4 years, but has to pay back all the money she owes at the end of 4 years. How much more money will she owe if the interest compounds

    asked by Emily Fisher
  51. Physics

    A marble rolls down an incline of 30 degrees. If the marble is initally at rest at the top of the incline of length 2.0 meters what will the speed of the marble be at the bottom of the incline (a) if the incline is rough enough to prevent any slipping [ it

    asked by Anonymous
  52. Science Help

    Renewable resources are considerered better for the enviorment because A. They are less expensive to harness. B. Once they are harnessed, they can be replaced. C. They do not cause any pollution. D. Using renewable resources encourages people to plant more

    asked by Callie
  53. Math

    What is the degree measure of the angle through which the hour hand on a clock rotates from 4:00 pm to 8:00 pm?

    asked by Laya
  54. Advanced Finance

    6. (TCO F) Suppose the December CBOT Treasury bond futures contract has a quoted price of 80-07. What is the implied annual interest rate inherent in the futures contract? Assume this contract is based on a 20-year Treasury bond with semiannual interest

    asked by Charles
  55. algebra

    Which of the following points lies on the circle whose center is at the origin and whose radius is 10 (-6,4) (/10,/10) (6,-8)

    asked by steven
  56. solar cells

    Imagine that you are in the lab and you can decide the thickness of the Si layer of your solar cell. You want to optimize the solar cell performance for a wavelength of λ=1000nm, for which the absorption coefficient is α(1000nm)=102cm−1. Which of the

    asked by Lahore
  57. Math

    use truth table to verify: 1.Distributive law P conjunction ( q disjunction r )= ( p conjunction q ) disjunction ( p conjunction r) 2.Associative law ( p disjunction q) disjunction r = p disjunction ( p disjunction r ) ( p conjunction q) conjunction r= p

    asked by Noor
  58. physics

    A launching mechanism consists of an arm (uniform rod with mass 250. g and length 75.0 cm) with a holder (negligible mass) at one end mounted to a hub of radius 3.00 cm and negligible mass at the other end. A string is wrapped around the hub and passes to

    asked by Sham
  59. Math

    The product of Greg's age and 5 is 55 Use the variable G to represent Greg's age

    asked by Anonymous
  60. chemistry

    If 35.0 mL of 0.210 M HCl reacts with excess Mg, how many mL of hydrogen gas are produced at STP? Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)

    asked by Mike
  61. science

    A swimming pool measures 10m by 7m by 2m calculate the full force exerted by the water against the bottom. What is the pressure at the bottom due to the water?

    asked by christina
  62. CIS

    Create three arrays of type double. Do a compile-time initialization and place different values in two of the arrays. Write a program to store the product of the two arrays in the third array. Write a method to display the contents of all three arrays

    asked by Pavan
  63. Physics

    A wheel starts from rest and rotates about its axis with constant angular acceleration. After 8.7s have elapsed, it has rotated through an angle of 20 radians. What is the angular acceleration of the wheel? What is the angular velocity when the time t =

    asked by Ann
  64. Science Help

    The process of desertification can occur when A. Plants usually found in the desert replace trees that have been cut down. B. Farmers use contour farming techniques. C. An area of forest is clear-cut. D. An area of forest is selectively cut. Is the answer

    asked by Callie
  65. Precalc

    Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle

    asked by Lily
  66. Algebra

    What is the range of the function f(x)=3-2*51^x? Give your answer as an interval.

    asked by Rachel
  67. physics

    A cannonball is fired with a velocity of 551 m/s. If the cannon is aimed 12° above the ground, how far away does the cannonball land? Ignore air resistance and use 9.8 m/s2 for acceleration due to gravity.

    asked by tommy jinkins
  68. Physics

    A volleyball court is 18 m long from baseline to baseline and the net is 2.24 m high. A volleyball player serves the ball from the baseline by hitting it at a height of 2 m above the floor at an angle of 10 degrees above the horizontal. A.) If the ball is

    asked by Beans
  69. Int.science/Laws of Thermodynamics

    The outward evidence for this transformation can be seen only in the mechanical motion of the motor. True False

    asked by Casey
  70. mixture problems

    How many gallons of 45% butterfat cream must be mixed with 500 gallons of 3% butterfat milk to obtain a 5% butterfat milk?

    asked by Kendall
  71. Vocabulary

    A midpoint of sequence of numbers. A. Mean B. Median C. Mode D. Zero

    asked by Kassie
  72. mixture problems

    A chemist has two solutions of sulfuric acid. One is a 25% solution, and the other is a 50% solution. How many liters of each does the chemist mix to get 10 liters of a 40% solution? 25% solution L: 50% solution L:

    asked by Kendall
  73. Chemistry

    when electricity is passed through water, the water decomposes into hydrogen gas and oxygen gas. when 10.00 kg of water were decomposed this way, 5788 l of oxygen gas were produced at 25 degrees celsius and 1 atm pressure. what is the percent yield of

    asked by Noah
  74. Physics

    1. A student lifts his 2.0-kg pet rock 2.8m straight up. He then lets it drop to the ground. Use the Law of Conservation of Energy to calculate how fast the rock will be moving ..... a. half way down b. just before it hits the ground 2. A 65-kg girl is

    asked by Hershey
  75. Physics

    A clock has a second hand whose tip rubs against the inside of the glass cover. If the frictional force between the glass cover and the tip of the second hand is 0.0020 N and the length of the hand is 9.5 cm, what is the minimum torque that must be applied

    asked by Ann
  76. Algebra

    y=25x+500 solve for x solve for y

    asked by karen
  77. physics

    a race car starts from rest on a circular track.the car increases its speed at constant rate at as it goes 2.75 times around the track.find the angle that the total acceleration of the car makes with the radius connecting the centre of the track and the

    asked by abera
  78. physics

    A 30-caliber rifle with a mass of 2.80 kg fires a 9.84- g bullet with a speed of 726 m/s with respect to the ground. What kinetic energy is released by the explosion of the gunpowder that fires the bullet?

    asked by Max
  79. algebra

    The stopping distance s of a car varies directly as the square of its speed v. If a car traveling at 30 mph requires 81 ft to stop, find the stopping distance for a car traveling at 55 mph.

    asked by lakpa
  80. AP English Literature: The Odyssey

    Hello. I am in need of some help with these following questions about The Odyssey: 1. When Odysseus finally lands upon the island of the Phaiacians, what happens which leads him to come out of disguise and reveal his true identity? A. Athena vows to

    asked by Dennis
  81. math please help!!!!!

    Factor f(x) into linear factors given that k is a zero of f(x). f(x)=x^3+(12-4i)x^2+(32-48i)x-128i, k=4i In completely factored form, f(x) =____ (factor completely. simplify your answer)

    asked by Ernie
  82. Algebra Help please!

    I already posted this question,and Henrey answered it. I just wanted to clarify a few things to make sure I am on the right track Problem: Joanie takes a $6,000 loan to pay for her car. The annual interest reate on the loan is 12%. She makes no payments

    asked by Trish Goal
  83. Math

    Suppose 81^x=64. What is 27^(x+1)?

    asked by Jake
  84. Algebra

    At the beginning of each year, Joe invests $10,000 in his retirement fund. The fund gives 10% interestm compouned annually. At the end of the third year, how much money will be in Joe's fund?

    asked by Lilly
  85. physics

    A clock has a second hand whose tip rubs against the inside of the glass cover. If the frictional force between the glass cover and the tip of the second hand is 0.0010 N and the length of the hand is 6.5 cm, what is the minimum torque that must be applied

    asked by Max
  86. Chemistry

    A sample of toluene, C7H8 has a mass of 74.5 g. How many moles of benzene does it contain? How many molecules does the sample contain? How many carbon atoms does it contain?

    asked by Danny
  87. math

    A plane makes an 900-mile flight in 3 1/3 hours against a strong head wind, but returns in 50 minutes less with the wind. What is the plane's speed without the wind?

    asked by gisela
  88. math

    A ball is thrown vertically upward with an initial velocity of 5 ft/sec from a height of 20 feet. Which function models its motion? i literally am lost and have no idea how to this problem. if i could have help with the steps on how to do the problem and

    asked by Natalie
  89. Physics

    An airplane flies at a constant speed in a straight line. A bale of hay is dropped from the bottom of the plane to some cattle in a snowstorm. When the bale hits the ground, where is the plane? (Ignore air resistance) Explain your answer!

    asked by Bethany
  90. Math

    Sue can either borrow 10,000 dollars for 5 years with a simple interest of 7% annually or an interest which compounds annually for 6%. How much more money, rounded to the nearest dollar, would she have to pay back for the more expensive interest

    asked by Trish Goal
  91. Physics

    A wheel starts from rest and rotates about its axis with constant angular acceleration. After 8.7s have elapsed, it has rotated through an angle of 20 radians. What is the angular acceleration of the wheel? What is the angular velocity when the time t =

    asked by Ann
  92. science

    As an object get farther from earth is A. its weight increase B.it weight decrease C. it mass decrease D. it weight remains the same I am not sure but is it A(or b)

    asked by edu
  93. Int.science

    When a motor is turned on, electrical energy is transformed to mechanical energy plus heat energy. True False

    asked by Casey
  94. ET1210- Dc/Ac Circuits

    When you know the wattage and applied voltage of a light bulb, determine its resistance

    asked by Trena
  95. Physics

    1. Determine the specific heat of a certain metal if a 450-g sample of it loses 34,500 joules of heat as its temperature drops by 97degC. 2. The temperature of a 55-g sample of a certain metal drops by 113degC as it losses 3,500 J of heat. What is the

    asked by Hershey
  96. DON VASCO PATNA

    A salt solution of 15 litres contains 20% salt.How much water must you add to salt solution in order to dilute it 15% salt?

    asked by YATHART
  97. math

    A boat travels 23 mph relative to the riverbank while going downstream and only 11 mph returning upstream. What is the boat's speed in still water?

    asked by gisela
  98. Science- Skin

    How thick is the epidermis as compared to the dermis as compared to the subcutaneous layer? Is there a comparison? If not, then how thick is the epidermis, dermis, and subcutaneous in thick skin?

    asked by Salli
  99. Physics

    A distant planet has a mass of 0.6400 ME and a radius of 0.9000 RE. What is the ratio of the escape speed from this planet to the escape speed from the earth?

    asked by Ann
  100. math

    terrence's brother decided to share some pizza with terrence and his sister. if terrence ate 1/4 of the pizza, his brother ate 3/16 of the pizza, and altogether the three ate 5/8 of the pizza, how much did the sister eat?

    asked by Anonymous
  101. algebra

    The length of a rectangle is 3 more than twice the width. The area of the rectangle is 119 square inches. What are the dimensions of the rectangle? If x = the width of the rectangle, which of the following equations is used in the process of solving this

    asked by steven
  102. Math

    A savings account at Xyz bank offers 4% interest, compounded annually. How much money must I invest today in order for the account to grow to $5,000 in ten years? Answer to the nearest whole dollar.

    asked by Brittany
  103. thermodynamics

    The outward evidence for this transformation can be seen only in the mechanical motion of the motor. True False

    asked by Casey
  104. physics

    A 5 ft chain is sitting on a table with 2 ft hanging off (3 ft sitting on table). The table is 4 ft high, and the chain slides frictionless off the table. The chain weighs 15 lb. What is the velocity of the chain when it first hits the ground.

    asked by Trevor
  105. Math Check please

    Suppose c is inversely proportional to the square of d. If c = 4 when d equals 3.find the constant of proportionality and write the formula for c as a function of d c= 36/d^2 use your formula to find c when d is 5. is it 100/d2 or 100/5^2? I know the

    asked by Taylor
  106. math

    8A5 +

    asked by siddhi jain
  107. Question

    What can be in a Manipulative &Math Center

    asked by Anonymous
  108. Physics

    2 vectors have same magnitude.The magnitude of the resultant vector of these 2 vectors are same as either of both vectors.What is the angle between 2 vectors?

    asked by Tangy
  109. Living a Healthy Life

    Blood pressure is a measure of A. oxygen levels in the blood. B. the ratio of red blood cells to white blood cells. C. how hard the heart is working. D. the pressure exerted by hemoglobin against the vascular walls. D.

    asked by Amanda
  110. math help

    Factor f(x) into linear factors given that k is a zero of f(x). f(x)=x^3+(12-4i)x^2+(32-48i)x-128i, k=4i In completely factored form, f(x) =____ (factor completely. simplify your answer)

    asked by Ernie
  111. Physics

    A wheel starts from rest and rotates about its axis with constant angular acceleration. After 8.7 s have elapsed, it has rotated through an angle of 20 radians. I found that the angular velocity at 8.7 s is 4.60 rad/s. What is the angular acceleration of

    asked by Ann
  112. Reading

    "Is Facebook making us lonely" Just to check my understanding on this article,I decided to write a summary.. Please check by reading this article.. Basically the author is trying to say that Facebook connects people with each other but it does not bond

    asked by Anonymous
  113. Chemistry

    A sample of sodium sulfate, Li2SO4, contains 6.78 x 10^23 formula units. How many moles of Li2SO4 are there in the sample? How many moles of Li+ ions are there in the sample?

    asked by Sam
  114. physics

    The position versus time for a certain object moving along the x-axis is shown. The object’s initial position is −2 m. Find the instantaneous velocity at 6 s. Answer in units of m/s

    asked by Henry
  115. Ratio - proportion - unit rate

    1 quart = 4 cups each person will drink 2 cups. Unit price $5.99 per 1 quart box We have 24 guests what is the answer?

    asked by Summer
  116. MATH

    Kyle is making a model of an Egyptian pyramid for his history class. Each side of the pyramid he makes has a base of 18.6 cm and height 14.8 cm. Calculate the height of Kyle's pyramid to the nearest tenth of a centimeter. Don't I need an angle to calculate

    asked by Anonymous
  117. Math

    f(x) = 3x^2 , g(x) = 3x-1, and m(x) = 4x Find and simplify the composition function g(m(f(x))) answers i got which were wrong 3x-1(12x^3) 36x^4-12x^3 Maybe i am putting the information in incorrectly.. Should it look like this (3x^2(4x(3x^2))) then solve?

    asked by taylor
  118. Algebra 2

    Solving Quadratic Systems x+2y=4 3x-y=5 Please show work!!!

    asked by Alicia
  119. MATH

    Find the formulas for the functions f(g(x)) and g(f(x))when f(x) = 2/x and g(x) = 2x^2-1 f(g(x)) = ? g(f(x)) = ? for f(g(x)) would it be 2/x(2x^2-1) or g(f(x)) 2x^2(2/x)-1? Would i solve like this? also when I tried to input the answer after solving didn't

    asked by Randy
  120. Math Help!!!

    define each term and give at least 2 examples of each whole numbers natural numbers integers rational numbers irrational numbers

    asked by Anonymous
  121. Science

    2 vectors have same magnitude.The magnitude of the resultant vectors is same as either of both vectors.What is the angle between 2 vectors?

    asked by Tangy
  122. Earth Science - NEED HELP QUICK

    What is the thickness of the layer from 1000 - 850 mb if the mean temperature of the layer is 2 C? From what it says in my textbook it seems as if mb = hPa so all you do is 850 - 1000 = -150 hPa but I am pretty sure that is wrong because what do you do

    asked by Sarah
  123. Living a Healthy Life

    Refrigerated foods should be stored at _______ degrees Fahrenheit or lower. A. 45 B. 35 C. 55 D. 31 B.

    asked by Amanda
  124. Algebra 2

    Solving Quadratic Systems x^2+y^2=10 2x+y=4 Please show work I need to know how to do it

    asked by Genesis
  125. math

    Mandy is enlarging a photo that is 3 in. wide and 4.5 in long. if she wants the width of the enlargement to be 10 in, what will be the length??

    asked by Lily
  126. please help

    i posted at 12:00 about math... please help for my son.

    asked by Anonymous
  127. math

    Which is an example of an algebraic expression? A. 2k + 25 B. z – 8 = 44 C. 3 + 7 = 10 D. 76 – 10

    asked by britney
  128. Math

    What is the vertex of y=7(x+5)^2+4?

    asked by Alex
  129. Physics

    A 30-caliber rifle with a mass of 3.54 kg fires a 7.33- g bullet with a speed of 596 m/s with respect to the ground. What kinetic energy is released by the explosion of the gunpowder that fires the bullet? (Note there is a tolerance 0.1 percent for the

    asked by Ann
  130. Math

    h(x) = log (6x+5/7x-4) Find a formula for the inverse function h^-1(x) h^-1(x) = My work so far h(x) = log(6x+5/7x-4) y=log(6x+5/7x-4) x=log(6y+5/7y-4) 7xy-4x= log(6y+5) how would I solve from here. Would I solve for y then do the natural log of both sides

    asked by Sarah
  131. Living a Healthy Life

    A child who has to struggle to climb into a chair is confronting a(n) _______ hazard. A. environmental B. biological C. physical D. ergonomic C.

    asked by Amanda
  132. Math Question

    If the angle -1500o is in standard position, state the quadrant in which it's terminal side lies.

    asked by Tamia
  133. Living a Healthy Life

    Which type diapers meet the American Health Association's standards? A. Paper diapers with absorbent gelling materials B. Cotton diapers C. Diapers composed entirely of paper composite D. Recycled diapers A.

    asked by Amanda
  134. Living a Healthy Life

    At what age does exercise begin to result in strength in boys and girls? A. Between ages five and six B. Between ages six and seven C. Between ages three and four D. Between ages one and two B.

    asked by Amanda
  135. Math

    Find all real solutions x to (4^x)-(2^x)=56. Please explain in steps! Thank you.

    asked by Carla
  136. Physics

    An iron disk has a radius of 0.625 m and a mass of 217 kg. The disk is mounted on its axis so that it is free to spin. How much force is required if the force is applied at a distance 19.5 cm from the axis of rotation?

    asked by Ann
  137. math

    9i / -3+8i

    asked by maria
  138. math

    p= x^2-25x+5000

    asked by monique
  139. math (fractions)

    a _____________ has a whole number and a part.

    asked by ary
  140. Math

    Esmeralda said 4/3 is greater than 7/2 is she right explain your answer.

    asked by Esmeralda
  141. science

    i have BaCl2.2H2O ,how can i get BaCl2.6H2O from it. or i have CuCl2.2H2O how can i get CuCl2.6H2O from it. actually i am working in the field of nanotechnology. trying to prepare nano-ferrites. now am trying to prepare copper doped barium

    asked by Jaspreet
  142. physics

    A car of mass 200g moving at 15.0m/s is accelerated to 25.0m/s in a time of 10.0 seconds determine the accelerating force and calculate the work done on the body

    asked by emmanuella
  143. MATH

    2 A B + A B 1

    asked by siddhi jain
  144. math

    8 A 5 + 9 4 A

    asked by siddhi jain
  145. MATH

    2 A B + A B 1

    asked by siddhi jain
  146. math

    8 A 5 + 9 4 A

    asked by siddhi jain
  147. physics

    If the athlete lies down on the ground on his back,his weight is spread over an area of 0.75 meter square. How much pressure does he exert on the ground in this position?

    asked by sana
  148. algebra 2

    12x^2-2x-2=0

    asked by anonymous
  149. s.s

    how did the patriots change the outcome of the war

    asked by edu
  150. Algebra 2

    Solving Quadratic System y=4x+1 2x-y+1 Please show work!!!

    asked by Alicia
  151. algebra

    Solve this quadratic equation x^2 + 5x + 3 = 0

    asked by steven
  152. Math

    h(x)= 3x+2/7x-6 find the inverse of h^-1(x) h^-1(x) = ? Would I solve it like this h(x)= 3x+2/7x-6 7xy-6y=3x+2 (bring 7x-6 to other side) i got confused here. Would i try to bring the 6y over to the right and then the 3x+2 to the left to get Y by itself.

    asked by Sarah
  153. s.s

    describe the conditions that the soldiers faced in valley forge in the winter of 1777-78. Why do you feel that soldiers remained in valley forge despite the conditions?

    asked by edu
  154. network

    what is ip?

    asked by Nafisa
  155. Living a Healthy Life

    Blood pressure is a measure of  A. oxygen levels in the blood.  B. the ratio of red blood cells to white blood cells.  C. how hard the heart is working.  D. the pressure exerted by hemoglobin against the vascular walls.  D.

    asked by Amanda
  156. English

    how to write a conclusion for Tochi's essay?

    asked by Austin
  157. algerbra

    A triangle has sides of and 3. Which could not be the length of the third side if it is a right triangle? i need help anyone?

    asked by steven
  158. math

    Which point represents a number that makes this statement true? 64.8 < < 65. 4 assessment graphic

    asked by Aneesa
  159. Algebra 2

    More About Complex Numbers squ. root 5+i/squ. root 5-i I don't know if you understand this equation, but could you help me.

    asked by Ariana
  160. science

    4 answers energy flow in ecosystem?

    asked by sadie
  161. Quantitative Methods

    7) President’s job approval rating is frequently reported in news programs. You will hear statements such as: “Among likely voters, the President’s job approval rating is 46% with a margin of error of 6%.” a) What percent confidence interval do you

    asked by EJ
  162. Math

    The function f(x)=ax^2 satisfies f(2)=1 and f(32)=4. Find r.

    asked by Jennifer Choi
  163. science

    an object's resistance to change in motion is called is A. Density B. Inertia C. Mass D. Degrees

    asked by edu
  164. Math

    multiply -p(p+q+2)

    asked by Michelle
  165. math

    multiply (-5-p)(5+p)

    asked by Michelle
  166. math

    (-q^2 +3)(q^2 -2)mulitply

    asked by Michelle
  167. ET1210-Dc/Ac Circuits

    if a certain number of equal resistors are wired in series across a certain voltage source, determine how much voltage is across each resistors.

    asked by patrena
  168. math

    express 4(5x+3)/25x^2-9

    asked by Celine
  169. Math

    f(x) = 6 / 5+x g(x) = f(f(x)) find a formula in terms of x ,for g^-1(x)

    asked by Blane
  170. Living a Healthy Life

    Which of thefollowing is a suitable toy for a toddler? A. A walker B. A trampoline C. A riding toy D. Powdered clay C.

    asked by Amanda
  171. Question

    What are Behavioral Objective for a Hopscotch

    asked by Anonymous
  172. Living a Healthy Life

    Some child psychologists have concluded that _______ is the strongest predictor of both scholastic and career achievement. A. respect for authority B. inherited intelligence C. emotional well-being D. physical illness C.

    asked by Amanda
  173. Living a Healthy Life

    In America, _______ million children live in poverty. A. 37 B. 14 C. 7 D. 25 B.

    asked by Amanda
  174. Algebra II

    I have some questions regarding syntheetic division. f(x) = x3 - 9x + 3

    asked by Rashad
  175. algebra 2

    Simplify. 1.) 2•√25/26 2.) √a^2/b^5 3.) √a/b √a^2/b^2

    asked by Janet
  176. Math

    Use properties to evaluate the expression. (19 + 28) + 21

    asked by Britney