Logan

Most popular questions and responses by Logan
1. Physics 1

A 1400 kg car traveling at a speed of 34 m/s skids to a halt on wet concrete where μk = 0.50. How long are the skid marks?

asked on November 12, 2017
2. English check please

1. In the poems in this collection, who faces life with the most hopefulness and self-confidence? the speaker in “Life Doesn’t Frighten Me”********THIS ONE the speaker in “A Dream Within a Dream” the Oysters in “The Walrus and the Carpenter”

asked on January 26, 2015
3. statistics

the life of light bulbs is distributed normally. The variance of the life time is 225 and the mean lifetime of a bulb is 590 hours. Find the probability of a bulb lasting for at most 603 hours. Yeah, WTF??? Why me!??!

asked on May 3, 2012
4. ART Check

Brooch of Henry Clay This brooch contains a miniature picture of american statesmen henry clay. likely owned by clay or his ancestors this brooch is valued for what reason a)scholastic value b)provenance c)cultural heritage d)market value A museum is

asked on January 22, 2015
5. math

A company logo has 4 concentric circles suppose you graph the points (diameter,circumference ) and connect them with a line. In terms of (pie), what is the slope of the resulting line.

asked on November 12, 2015
6. algebra

Find the least common multiple of the monomials. 5a squared, and 16a cubed. Also 17b squared and 3b cubed. Could you show me how to do these. Thank you, Sandy

asked on October 10, 2012
7. English Check please

in a dream within a dream which phrase is a context clue to the meaning of grasp? While I weep--while I weep!/O God! Can I not grasp/Them with a tighter clasp? a) While I weep b)O God! Can I not c) with a tighter clasp d)can I not grasp them My answer is B

asked on January 22, 2015
8. Probability & Stats

An experiments consists of tossing 4 coins successively. The number of sample points in this experiment is a. 16 b. 8 c. 4 d. 2 Please show work and why it is the answer! Thank you!

asked on October 31, 2016
9. Math

Write the word form for 3,152,308,726

asked on August 15, 2019
10. math

How many even natural-number factors does $n = 2^2 \cdot 3^1 \cdot 7^2$ have?

asked on August 15, 2019
11. Algebraic equations real life problems

A book cover has the length and width(in inches) shown in the diagram. A) Find the values of a and b B) Find the perimeter of the book cover. Widths are top--3b in. bottom--(2+a)in. Lengths are left--(3a-b) in. And right--(2+a+2b) in.

asked on December 14, 2016
12. math

andy had 5 1/2 quarts of juice. does he have enough to give a 2/3 cup serving to each of the 32 members of the band? explain

asked on May 3, 2017
13. biology/science

Oxygen attracts electrons more strongly than hydrogen does. What kind of bond forms between the two hydrogen atoms and single oxygen atom that form a water molecule? A. A metallic bond B. A hydrogen bond C. An ionic bond D. A polar bond Currently stuck

asked on September 19, 2016

Brett wants to paint his master bedroom. The paint costs $21 per gallon and the primer costs$15 per gallon. He does not want to exceed $185 for the paint and primer. He has determined that he needs at least 5 gallons of paint and primer in total. If p asked on February 2, 2019 15. Physics Consider two masses m1 and m2 connected by a thin string. Assume the following values: m1 = 4.18 kg and m2 = 1.00 kg. Ignore friction and mass of the string. 1) what is the acceleration of the 2 masses? 2)What should be the value of mass m1 to get the asked on September 1, 2011 16. math Which equation shows a correct factored form of the quadratic equation 3x+28=x2? asked on January 23, 2019 17. math Is the amount of tax collected proportional to the cost of an item after tax has been added?explain asked on September 2, 2014 18. physics A 0.250-kg aluminum bowl holding 0.800 kg of soup at 27.0°C is placed in a freezer. What is the final temperature if 430 kJ of energy is transferred from the bowl and soup? Assume the soup has the same thermal properties as that of water, the specific asked on April 21, 2014 19. Algebraic inequalities There are three kinds of fruit in a basket:apples, oranges, and pears. The number of apples is 1 less than the number of oranges. The number of pears is 2 times the number of apples. There are 17 fruits in the basket. How many of each kind are there? asked on December 16, 2015 20. math What two positive consecutive integers have a product of 72? asked on January 23, 2019 21. math A rectangle has a width that is 3 less than twice the length. If the rectangle has an area of 170 square inches, what is the length of the rectangle? Enter your answer as the correct value, with the correct unit of measurement, like this: 42 meters Be sure asked on January 24, 2019 22. Chemistry 30 Calculate the delta H for the reaction : 2H3BO3(aq) reacts with B2O3(solid) + 3H2O asked on October 13, 2014 23. geometry Triangle APQ is the image of ABC under a dilation centered at vertex A with scale factor 1/2 Triangle RBT is the image of ABC under a dilation centered at vertex B with Scale factor 3/4 which statement about ABC APQ and RBT is correct asked on April 22, 2017 24. art history Which of Michelangelo's sculptures is a metaphor for courage, determination, and strength? asked on May 20, 2014 25. pre calc prove identity cscx-(cosx)(cotx)=sinx asked on November 29, 2010 26. math No need to show your work, just tell me the answer, it is due tomorrow. How many integers$n$satisfy the condition$100 < n < 200$and the condition$n$has the same remainder whether it is divided by$6$or by$8$? I am stuck at the mid part, please help asked on August 15, 2019 27. math How many dimes are there in n nickels and q quarters? asked on July 24, 2017 28. Math A quarter of a circle plus and eighth of a circle is what percent of a circle asked on November 16, 2009 29. PSY/300 What is casual observation and why is it different from scientific disipline? asked on June 15, 2011 30. Math Akesia paid$20.20 for 36 rulers and folders. She bought 16 more folders than rulers. If each folder cost $0.50 more than each ruler, how much did each folder cost? asked on November 6, 2018 31. Physics In a tug-of-war between two athletes, each pulls on the rope with a force of 365 N. What is the absolute value of the horizontal force that each athlete exert against the ground? asked on September 1, 2011 32. Math A landscaper installs 12 sections of trellis. Each section is 3/4 yards long. How many yards of trellis are installed altogether? asked on December 3, 2015 33. Physics Three blocks rest on a frictionless, horizontal table, with m1 = 9 kg and m3 = 16 kg. A horizontal force F = 104 N is applied to block 1, and the acceleration of all three blocks is found to be 3.3 m/s2. 1) Find m2 2)What is the normal force between 2 and asked on September 1, 2011 34. Social Studies What continent is located south of Europe in Medieval Europe? asked on February 28, 2012 35. chemistry Determine the pH of a 1 M aniline solution (Kb = 4.2 10-10). I am unsure how to start, any help? asked on November 13, 2015 36. 7th grade math Toby is making a model of a battlefield. The actual area is 11 miles by 7.5 miles. He wants to put the model on a 3.25 ft by 3.25 ft square table with at least 3 inches on each side between the model and table edges. What is the largest scale he can use? asked on February 14, 2012 37. Chemistry you have75.0ml of 2.5 M Solution of Na2CrO4(aq). You also have 125ml of a 1.74M solution of AgNO3(aq)Calculate the concentration of NO3 when the two solutions are added together asked on February 27, 2011 38. math Solve the quadratic equation x2=25/36. asked on January 29, 2019 39. Chem Lab Can the NH3/NH4Cl system be sued to prepare a buffer of a pH 9.5? why or why not? Can it prepare a buffer of pH 5? There were two buffers, 0.2 M and 0.1M. asked on April 11, 2012 40. math How do I write an equivalent equation that does not contain fractions for 1/2 x -5 = 1/3 asked on December 6, 2014 41. Chemistry a paste of sodium hydrogen carbonate (sodium bicarbonate) can be used to relieve the pain of an ant bite. The irritant in the ant bite is formic acid (HCOOH), a weak acid. Which is the net ionic equation for the reaction that occurs? I know the reactants asked on October 12, 2010 42. Algebra II Let g(x) = 14x^1/2-8x^2/3 and h(x) = 3x1/2 +5x2/3. Find g(x)-h(x) and state the domain asked on February 11, 2019 43. science Which of the following is the pOH range of gastric acid? A. 1.5 to 3.5 B. 10.5 to 12.5 C. 1.5 to 2.5 D. 6.5 to 7.5 asked on September 14, 2016 44. Physics Top fuel drag racer can reach the maximum speed of 304 mph at the end of the 1/4-mile (402 m) racetrack. (a) Assuming that the acceleration is constant during the race, calculate the average value of the acceleration of the top fuel car. (b) What is the asked on September 1, 2011 45. algebra What is the basic principle that can be used to simplify a polynomial? What is the relevance of the order of operations in simplifying a polynomial? asked on March 29, 2011 46. Chemistry a 191 g piece of copper is heated to 100 C in a boiling water bath and then dropped into a beaker containing 755 g of water (density =1.00 g/cm3) at 4.0 C. What is the final temperature of the copper and water after thermal equilibrium is reached? asked on October 15, 2014 47. statistics suppose you roll two number cubes and pick a letter of the alphabet at random. find the probability you will roll two odd numbers and pick one of the letters k, l, or m. asked on June 4, 2014 48. math What are the solutions to the quadratic equation 3(x+5)(x−7)=0? asked on January 23, 2019 49. Chemistry I'm not sure how to calculate the ΔH°rxn for 3 Al + 3 NH4ClO4 -> Al2O3 + AlCl3 + 3 NO + 6 H2O. I'm honestly not sure where to start with this problem. asked on November 28, 2014 50. math please i need help with this...were studying probability...possible outcomes...im having trouble coming up with the right answer... The product code used by Pitz Toyz consists of a letter, followed by a digit from 1 to 9, followed by another letter, such asked on October 17, 2006 51. PSY/300 What is the difference between scientific disipline and casual observation? asked on June 14, 2011 52. science What change do you expect if the value of the reaction quotient is greater than the value of the equilibrium constant? A. The rate of the forward reaction is greater than the rate of the reverse reaction. More reactant forms. B. The rate of the forward asked on September 13, 2016 53. math franco sees 8 camels and counts 14 humps in all. some have 2 humps and some have one.how many camels with two humps did franco see? asked on October 22, 2008 54. Algebraic linear equations Stefanie's train will leave the station in 24 minutes and she is y miles from the station. To catch the train, she walks at a speed of 4 miles per hour and later runs at a speed of 8 mph. Write an equation in terms of y for the distance she has to walk, w, asked on November 2, 2016 55. Stats Fill in the table below regarding populations and samples. The first column represents the question the statistician is trying to answer. Fill in the blank(s) for each row. 1.Is my well water safe? 2.Are as many girls born as boys in the world? 3.Which asked on November 19, 2015 56. Physics If a car is travelling with a constant speed of 5.53 m/s in the Westward direction, what is the resultant force acting on it? Ignore friction asked on September 1, 2011 57. science What should be the range for the exponent of [H+] in solutions that are characterized as acidic? A. 0 to -0.07 B. 0 to 0.7 C. 0 to -7 D. 0 to 7 asked on September 14, 2016 58. science If the reaction is at equilibrium, which change will help to increase the amount of ammonia formed? 3H2(g) + N2(g) 2NH3(g) + heat A. Removing nitrogen B. Raising the temperature C. Lowering the pressure D. Adding hydrogen asked on September 14, 2016 59. math A lender gives you a choice between the following two 30-year mortgages of$200,000: Mortgage A: 6.65% interest compounded monthly, one point, monthly payment of $1283.93 Mortgage B: 6.8% interest compounded monthly, no points, monthly payment of$1303.85

asked on December 7, 2012
60. Physics

A cheetah runs a distance of 101 m at a speed of 24 m/s and then runs another 101 m in the same direction at a speed of 38 m/s. What is the cheetah's average speed?

asked on August 25, 2011

Julie earned a $1500 bonus at work for doing a good job. She placed part of the money in a regular savings account earning 2.5% annual interest. She placed the remaining amount in a money market account earning 5% interest annually. At the end of the year asked on December 18, 2017 62. Chemistry Consider the following electochemical cell. Pt | Fe3+ (0.0600 M), Fe2+ (6.50e-5 M) || Sn2+ (0.0620 M), Sn4+ (3.90e-4 M) | Pt (a) Calculate the voltage of the cell, Ecell, including the sign. asked on April 3, 2011 63. math (2u3 - 7u + 4u2 - 9) - (-7u + 2u3 - 9 + 4u2) asked on January 28, 2019 64. Engineering When we drive our car at 110 feet per​ second, we measure an aerodynamic force​ (called drag) of 61 ​pounds-force that opposes the motion of the car. How much horsepower is required to overcome this​ drag? asked on February 22, 2017 65. science How does deltaG° relate to K for a reaction? A. When deltaG° > 0, K < 1 and products are favored. B. When deltaG° < 0, K > 1 and products are favored. C. When deltaG° < 0, K < 1 and reactants are favored. D. When deltaG° > 0, K > 1 and reactants are asked on September 13, 2016 66. physics A ferry boat is 6.2m wide and 7.1 m long. When a truck pulls onto it, the boat sinks 6.02 cm in the water. What us the weight of the truck? The acceleration of gravity is 9.81 m/s2. Answer in units of N asked on December 19, 2012 67. Science When a sound wave passes from air into a solid object, which of the following wave properties change? -frequency -wave speed -amplitude -wave length Can be more than one asked on November 10, 2011 68. chemistry A bearthing mixture used by deep-sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen at 1.2 atm if PHe = 0.98 atm and PCO2 = 0.04 atm? a) 1.02 atm b) 0.12 atm c) 0.94 atm d) 0.18 atm asked on March 16, 2011 69. Physics How much can be lifted using 2kg of effort using a jack screw with a 45cm handle and a 1/3 cm screw pitch? Please show me the formula and how you broke down the equation asked on August 17, 2018 70. Algebraic inequalities Julie earned a$1500 bonus at work for doing a good job. She placed part of the money in a regular savings account earning 2.5% annual interest. She placed the remaining amount in a money market account earning 5% interest annually. At the end of the year

asked on December 18, 2017
71. MATH

I HAVE LOOKED AT THE CUMULATIVE FEQUENCY TABLE EXAMPLE, AND I AM STILL CONFUSED ABOUT HOW TO MAKE MY OWN TABLE. MY TABLE IS FOR SOCCER LEAGUE SIGN-UPS AT SCHOOL. I HAVE A GIVEN CHART OF WEEK 1, WEEK 2 AND WEEK 3. ON WEEK ONE, THERE WERE 9 SIGN-UPS. ON WEEK

asked on September 30, 2008
72. Math

I am a number between 20 and 30. When you divide me into 6 equal groups,there is an even number in each group and 2 are left over.what number am I?

asked on July 9, 2014
73. Physics

A ball is thrown directly upward with an initial velocity of 14 m/s. If the ball is released from an initial height of 2.8 m above ground, how long is the ball in the air before landing on the ground? Ignore air drag.

asked on September 1, 2011
74. algebra 2

A. I need to write an equation to the linear equation..(-2,-2), (3,3). B. I need to graph the function of y=|x| on a coordinate plane. C. I need to give one similarity and one differnce for the equations and graphs in parts A and B. I really need your help

asked on January 17, 2008
75. math

A steam line will increase in length by 1.440% when heated to operating temperature. Determine the original length of the line, if it increased in length by 5.000 cm when heated. (Round your answer to 3 decimal places).

asked on April 13, 2018
76. algebra 2

Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole?

asked on October 21, 2014
77. physics

A piece of iron block moves across a rough horizontal surface before coming to rest. The mass of the block is 1.8 kg, and its initial speed is 3.8 m/s. How much does the block's temperature increase, if it absorbs 69% of its initial kinetic energy as

asked on April 21, 2014
78. physics

Two stones are thrown vertically up at the same time. The first stone is thrown with an initial velocity of 11.5 m/s from a 12th floor balcony of a building and hits hits the ground after 4.6 seconds. With what initial velocity should the second stone be

asked on September 10, 2013
79. Physics

A Ferris wheel has a circumference of 93 m and it completes one rotation in 2.3 minutes without stopping. What is the percentage change in apparent weight (=weight difference/weight = W/W) of a passenger between the highest and the lowest positions on this

asked on September 21, 2011
80. geometry

what is the approximate measure of angle A to the nearest tenth of a degree

asked on May 27, 2011
81. Statistics

Are these questions below true or false? I am stuck. I think 1 is true and 3 is false 1. In Regression Analysis if the variance of the error term is constant, we call it the Homoscedasticity property. 2. In simple linear regression analysis, if the error

asked on November 29, 2010
82. Vectors (Physics/Math)

Vector A has a magnitude of 18 (in some unspecified units) and makes an angle of 25 with the x axis, and a vector B has a length of 24 and makes an angle of 70 with the x axis. Find the components of the vector C in the following: (a) C = A + B Cx = Cy =

asked on August 25, 2011
83. algebra 2

This is a critical question.. Why does y=3 represent a function,but x=3 does not...

asked on August 27, 2007
84. rounding whole numbers

i need help on this one...i should know this but i think i do...i need to know for sure.... I need to round 599 to the nearest ten...would it be 500 or would it change to 600...i know 9 in 599 is the tens place...but 10 comes after 9 so im confused.....

asked on August 29, 2006
85. History

I'm looking for information about the Black Death Plague without using Wikipedia as much as possible. Some questions that I need to keep in mind and answer are: How is religion relevant to the plague? Was there a cure? How did it start?

asked on September 14, 2011
86. Algebra

Explain why the addition method might be preferred over the substitution method for solving the system 2x-3y=5 5x+2y=6 Am lost on these.Please help

asked on March 14, 2011
87. algebra

your local rollerblade rink will rent you blades for $14.00 for 3 hours or$29.00 for 8 hours. Asume the price increase is constant depending on the number of hours the blades are rented. Find the expression

asked on February 19, 2008
88. Social Studies

I am in 7th grade age 12 and i was wonder how does the European Parliament determine how many each country gets on each branch? I would like and answer ASAP. Thanks!

asked on November 28, 2007
89. math

Lenora correctly factored the expression 2x2−11x+15 as (x−3)(2x−5). She then stated that the solutions to the equation 0=2x2−11x+15 are x=3 and x=5. Did Lenora find the correct solutions to the equation?

asked on January 23, 2019
90. algebra

How do I graph a direct variation when x=10, 20, 30, 40, and y = 4.5, 9.00, 13.50,18.00 Put x on graph going up by 10 and put y on graph at the bottom going across I am unsure of rest

asked on January 21, 2015
91. College Algebra and Finance

Please help! Just need the answer... A lender gives you a choice between the following two 30-year mortgages of $200,000: Mortgage A: 6.65% interest compounded monthly, one point, monthly payment of$1283.93 Mortgage B: 6.8% interest compounded monthly, no

asked on December 7, 2012

When a sound wave passes from air into a solid object, which of the following wave properties change? -Frequency -Wave Speed -Amplitude -Wavelength all that apply

asked on November 10, 2011
93. calculus

The limit as x approaches 0 of ((4^x)-1)/x The limit above represents the derivative of some function f(x) at some number a. Find f and a.

asked on September 16, 2011
94. computer programming

Robot Game Consider a robot moving in an environment consisting of 5x5 cells. The robot can either be rotated or moved forward for a certain distance. The environment in which the robot moves is bounded by walls - so if you try to move the robot out of the

asked on September 28, 2010
95. biology

what are the stages of mitosis

asked on January 19, 2010
96. Essential Mathematics

Actually calculate the final amount on \$1,000 compounded annually at 6% per year for 4 years?

asked on June 4, 2009
97. Pig Skin

what two teams will probabley be named "the kudzu Klash"?

asked on November 17, 2008
98. math

need help on this one...i hate these kind of math problems..lol.... Kickapoo Camp has 3 activities periods with the choices shown. How man different schedules are possible?? Period 1 Period 2 Period 3 leatherwork archery swimming wood carving field games

asked on October 17, 2006
99. Algebra II

Sierra planted a 12ft. by 10ft. flower garden in her backyard. She put a gravel walkway of uniform width around it. How wide was the walkway if she used 168ft^2 of gravel?

asked on October 31, 2017
100. science

When Q < K, what can you conclude about the reaction? A. The reaction is not yet at equilibrium, and the reaction will proceed in the forward direction. B. The reaction is not yet at equilibrium, but the direction of the reaction must be experimentally

asked on September 14, 2016

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