# Logan

Most popular questions and responses by Logan-
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Math

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

*asked on August 15, 2019* -
## math

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

*asked on August 15, 2019* -
## 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* -
## 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* -
## 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* -
## algebra

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* -
## 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* -
## math

Which equation shows a correct factored form of the quadratic equation 3x+28=x2?

*asked on January 23, 2019* -
## 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* -
## 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* -
## 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* -
## math

What two positive consecutive integers have a product of 72?

*asked on January 23, 2019* -
## 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* -
## Chemistry 30

Calculate the delta H for the reaction : 2H3BO3(aq) reacts with B2O3(solid) + 3H2O

*asked on October 13, 2014* -
## 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* -
## art history

Which of Michelangelo's sculptures is a metaphor for courage, determination, and strength?

*asked on May 20, 2014* -
## pre calc

prove identity cscx-(cosx)(cotx)=sinx

*asked on November 29, 2010* -
## 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* -
## math

How many dimes are there in n nickels and q quarters?

*asked on July 24, 2017* -
## Math

A quarter of a circle plus and eighth of a circle is what percent of a circle

*asked on November 16, 2009* -
## PSY/300

What is casual observation and why is it different from scientific disipline?

*asked on June 15, 2011* -
## 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* -
## 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* -
## 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* -
## 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* -
## Social Studies

What continent is located south of Europe in Medieval Europe?

*asked on February 28, 2012* -
## 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* -
## 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* -
## 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* -
## math

Solve the quadratic equation x2=25/36.

*asked on January 29, 2019* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## math

What are the solutions to the quadratic equation 3(x+5)(x−7)=0?

*asked on January 23, 2019* -
## 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* -
## 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* -
## PSY/300

What is the difference between scientific disipline and casual observation?

*asked on June 14, 2011* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## math

(2u3 - 7u + 4u2 - 9) - (-7u + 2u3 - 9 + 4u2)

*asked on January 28, 2019* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## geometry

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

*asked on May 27, 2011* -
## 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* -
## 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* -
## algebra 2

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

*asked on August 27, 2007* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Physics-please

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* -
## 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* -
## 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* -
## biology

what are the stages of mitosis

*asked on January 19, 2010* -
## Essential Mathematics

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

*asked on June 4, 2009* -
## Pig Skin

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

*asked on November 17, 2008* -
## 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* -
## 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* -
## 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*