# penny

Popular questions and responses by penny-
## Physical Science

Henry Heavyweight weighs 1200N and stands on a pair of bathroom scales so that one scale reads twice as much as the other. What are the scale reading?

*asked on February 2, 2015* -
## math

Write an expression to represent: Eight minus the quotient of two and a number xx x.

*asked on November 20, 2018* -
## Calculus

Consider the curve defined by y + cosy = x +1 for 0 =< y =< 2pi.... a. Find dy/dx in terms of y. *I got 1/(y-siny) but I feel like that's wrong. b. Write an equation for each vertical tangent to the curve. c. find d^2y/dx^2 in terms of y. d. Sketch a graph

*asked on January 24, 2012* -
## algebra

Which number has an absolute value greater than 5?

*asked on February 13, 2020* -
## physics

A helicopter is rising at 5.1 m/s when a bag of its cargo is dropped. (Assume that the positive direction is upward.) (a) After 2.0 s, what is the bag's velocity? (b) How far has the bag fallen? (c) How far below the helicopter is the bag?

*asked on September 13, 2010* -
## phsic

A small steel ball bearing with a mass of 10 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.19 m. Calculate the speed at which the ball leaves the spring.

*asked on September 20, 2010* -
## chemistry

a continer holds 0.500 qt of liquid. How many milliliters of lemonade will it hold.

*asked on January 28, 2011* -
## Math

Add parentheses so that the equation is correct.... 7+9x3-1=25 Will someone please help me out here. Thanks!!

*asked on August 20, 2008* -
## Statistics

A bank is testing a new method for getting delinquent customers to pay their past-due credit card bills. The standard way was to send a letter (costing about $0.45) asking the customer to pay. That worked 30% of the time. The bank wants to test a new

*asked on November 2, 2013* -
## Science

How does the cell of a single-celled organism carry out its life functions differently from the cells of many-celled organism?

*asked on September 25, 2019* -
## physics

an apple weighs about 1N. what is its mass in kilograms ? what is its weight in pounds?

*asked on October 28, 2009* -
## Biology

Record any two of the following temperatures in your lab environment. In each case, allow the end bulb of the Celsius thermometer to remain in or on the sample for one minute. Cold tap water in a 50 ml beaker = ___ Celsius Hot water in a 50ml beaker= _____

*asked on July 8, 2015* -
## AIG 4th Grade Math

Nellie's soccer team is having a great season. The team is being coached by Nellie's mom, who divided the team into five groups: 1/2 the players are forwards, 1/6 are wings, 1/6 are halfbacks, 1/12 are fullbacks, and 2 others are goalies. How many players

*asked on January 19, 2010* -
## Math

1. The fourth and seventh terms of a geometric sequence are 6 and 384, respectively. What is the common ratio and the sixth term of the sequence? 2. The fifth and eight terms of a geometric sequence of real numbers are 7! and 8! respectively. What is the

*asked on March 13, 2015* -
## Chemistry

which sample of matter is a mixture ? (1)H2O(s) (2)H2O(l) (3)NaCl(l) (4)NaCl(aq)

*asked on February 13, 2011* -
## PLESE HELP ME ON WALK TWO MOONS ANSWER CHECK

can you guys help me with this question 1. What effect does Mrs. Winterbottom’s decision have on Phoebe? A.Phoebe is humiliated by her mother’s decision to leave. 2.Phoebe’s behavior becomes increasingly tense and ornery.***** 3.Phoebe is withdrawn

*asked on June 7, 2016* -
## Math Help

Evaluate the piecewise function: f(x)= {x^2-25/x-5, if x < -1 --- and 2x-3, if x>-1 We are looking or f(4)= and f(-1)= with that whole equation

*asked on September 19, 2014* -
## algrebra

The function W(d)=0.112d approximates the amount in centimeters of water that results from d cm of snow melting. Find the amount of water that results from snow melting from depths of 20cm,38com, and 62cm.

*asked on March 19, 2010* -
## Grammar and punctuation help

have got these sentence right. I have gotten good grades since I started taking college classes. no change She drove the car right into the garage, because the breaks got stuck. no change When the garage door was closed, we decided to paint it. We decided

*asked on August 9, 2006* -
## Math Questions

1.) 6√24x, for which value of x makes the expression equivalent to 18√24? a.) 3 b.) 9 c.) 12 d.) 18 My answer: C. 2.) 4√72x, for which value of x makes the expression equivalent to 24√72? a.) 6 b.) 7 c.) 36 d.) 72 My answer: A. 3.) 7√32x, for

*asked on October 3, 2014* -
## Environmental Science

Will someone please help me understand this? Identify a keystone species that has been removed or reduced in number in its habitat. How has the removal of this species effected the ecosystem to which it belonged?

*asked on December 10, 2011* -
## Criminal Justice

How does a prosecutor determine which cases to pursue?

*asked on December 1, 2011* -
## Chemistry

what is the gram formula mass of CaSO4*2H20?

*asked on January 2, 2011* -
## American history

I am trying to find additional information on the important geographic factors and technologic advances that encouraged America to grow in the 1800s. The main geographic factor was the huge amount of American territory, spanning the continent from the

*asked on November 17, 2006* -
## Science

what does wind impact with climate?

*asked on February 18, 2020* -
## Math

Your brother is 13 your age. Your sister is 4 years older than your brother. Your sister is 9 years old. Write and solve an equation to find your age a. Please help me with this problem!!!

*asked on December 13, 2019* -
## Calculus

Find a Riemann Sum formula for evaluation points that are one-third of the way from the left endpoint to the right endpoint.

*asked on January 14, 2018* -
## math

Find the surface area of a square pyramid with a base length of 11 cm and a slant height of 15 cm. (1 point) A.472 cm2 B.451 cm2 C.781 cm2 D.330 cm2

*asked on February 18, 2017* -
## Language Arts

Which of these sentences has the most negative connotation? 1. This shirt was a bargain. 2. This shirt was a value. 3. This shirt was cheap. 4. This shirt was economical.

*asked on January 9, 2017* -
## math help please!!!

In this question how do you know when to add or subtract?? Simplify 100^12/100^8 A.100^12/8 B.100^96 C.100^4 D.100^20 Is the answer C or D?? Thank you

*asked on May 19, 2015* -
## Math-Algebra

^4√(d-3e)^2 (fourth root of (d-3e)^2)

*asked on July 15, 2013* -
## Math - Algebra

What is the tenth root of 16u^2v^4wx^5? Note that the exponent of v is 4w.

*asked on July 15, 2013* -
## Strayer

I need Face Books financial statements, do you know what links I can go to?

*asked on March 6, 2012* -
## math

A spray rig moving at 3 mph delivers 44 gallons per acre when the nozzles on the rig are 20 inches apart. a) Suppose the number of nozzles were increased so that they were only 15 inches apart. Find the new delivery rate of the rig. b) How could this

*asked on March 25, 2011* -
## geometry

A bicycle tire has a diameter of 24 inches. How many miles will the bicycle travel when the tires make 16,000 revolutions?

*asked on March 24, 2011* -
## chemistry

Suggest a test chemical that can be added to a water sample to percipitate the lead(II) ions. show a chemical equation for the formation of the percipitate you have chosen.

*asked on May 26, 2010* -
## math

Which rates are equivalent? A. 36 us dollars/48 canadian dollars= 54 us dollars/72 canadian dollars B. 18 us dol./24 can. dol.= 45 usdol./48 can. dol. C. 18 us dol/24 can dol.= 54 us dol/60 can dol. D. 48 us dol./64 Can Dol= 72 US dol./128 can dol.

*asked on May 25, 2008* -
## Math

Find the amount in an account if $2000 is invested at 6.125%, compounded semi-anually,for 2 years. 2000* (1.030625)^4 = / That is what you get by adding 3.0625% to the principal every 6 months, and compounding 4 times I Am getting 2252.50, is this correct?

*asked on February 26, 2007* -
## math

Make a conclusion from the data. a volleyball: mean = 86.5 basketball: mean = 187 Basketball has a greater attendance. b volleyball: mean = 86.5 basketball: mean = 187 Volleyball has a greater attendance. c volleyball: mean = 86 basketball: mean = 185

*asked on April 24, 2020* -
## math

You want to compare the number of words per sentence in a sports magazine to the number of words per sentence in a political magazine. a. The data represent random samples of 10 sentences in each magazine. Compare the samples using measures of center and

*asked on April 24, 2020* -
## Science

A drawing of how altitude is impacting the climate

*asked on February 18, 2020* -
## Science

What is rain shadow and what does it impact with the climate?

*asked on February 18, 2020* -
## Science

Example of where the wind is impacted by climate and why?

*asked on February 18, 2020* -
## math

Jim ran 2/3 of a 5k race, then walked the rest. How far did walk? How do I set this problem up?

*asked on February 12, 2018* -
## Calculus

find a Riemann Sum formula for evaluation points that are one-third of the way from the left endpoint to the right endpoint.

*asked on January 17, 2018* -
## Social Studies

21. Why did Buddhism become popular in India? (3 points) Please help with this question fast. Thx

*asked on March 26, 2017* -
## Statification in Sociology

White Trash author Isenberg has a very pessimistic view of American ideal( real vs ideal culture) Do you think she's right that these are more ideal than real from a historical perspective? Poverty, who is poor, what the working people look like, racial

*asked on February 7, 2017* -
## Social Studies

"The bush was not consumed" means 1. the bush burned up 2. the bush only looked like it was burning 3. the bush was not burned up 4. the bush was not eaten Please help me with this one.

*asked on December 16, 2016* -
## Momentum physics 11 conceptual question

A pitcher throws a fastball to a catcher. assume the speed of the ball does not change Which player exerys the larger impulse on the ball Which player exerts the larger force on the ball?

*asked on November 24, 2016* -
## soanish

i need help with possessive adjectives. what would you use when you say _ padres son trabajores y simpaticos.

*asked on March 27, 2016* -
## POETRY

He set his face away from the eclipse, his eyes seeking their way to a place where the sun does not see. In the distance, the wheat waved and wilted under the wind whose breath blew beyond the bare field. The day found its bearings under the chorus of

*asked on January 30, 2016* -
## U.S. Gov. & Economics

What is the name for any country that provides extensive social services at little or no direct cost to consumers? A. a welfare state B. a socialist state C. a communist state D. a collective state I chose B, but supposedly that is not correct?

*asked on January 21, 2016* -
## U.S. Gov. & Economics

Which form of city government has an elected mayor? A. the commission form ****B. the mayor-council form C. the council-manager form D. the incorporation form Which is an important function of county government? A. taxing imports B. overseeing tribal

*asked on January 21, 2016* -
## U.S. Gov. & Economics

Which correctly lists the three factors of production in a capitalist economy? a. socialism, labor, and capital b. land, labor, and capital c. land, capital, and monopoly

*asked on January 21, 2016* -
## physics

A 3000-kg truck needs a propeling steady force of 1400 N to travel at a speed of 40 mpg. What is the MPG for the truck if its engine efficiency is 27%? Heat released from one gallon=136,500,000 J and 1 m= 1609 m.

*asked on October 4, 2015* -
## math help please!!

What do I do with this?? 3^3/3^6 A.1/27 B.1/9 C.9 D.-27 What do I do to solve this?? Thanks

*asked on May 19, 2015* -
## Physics

Why are household lamps are not connected series?

*asked on February 8, 2015* -
## Math

Hi! The question I need help with is 6cos^2x-3 and the directions say to use a double-angle formula to write the expression. This is what I have but I don't know if it's right? 6cos^2(x)-3 =3(2cos^2(x)-1) =3cos(2x)

*asked on February 2, 2015* -
## Physics- Is my work right?

A ball moving at +3.0 m/s along a table rolls off a table and lands on the ground 2.0 m away. How high was the table? h = 9.8 × (2/3)² / 2 = 2.2 m

*asked on December 11, 2014* -
## Math

Find the valu eof accros (5/6). Then, round your answer to four decimal places. I know that the answer is 0.5856 but how would I round that? Thanks!

*asked on December 7, 2014* -
## Math

An airplane travels 226 miles in 2 hours. At that rate, how far will the airplane travel in 8 hours?

*asked on November 16, 2014* -
## Math: Statistics

1. A regression analysis includes the effect of Age, which is categorised into five levels. How many dummy variables should be defined for including it in the analysis? 2. A regression analysis includes Sex as an explanatory variable. How many dummy

*asked on October 28, 2014* -
## Math

This is really confusing to me. I'm not sure on how to do this or even how to get an answer? Can someone perhaps help me? Thanks! :) f(x)=x^2-25/x-5 if x is less than or equal to -1; 2x-3 if x>-1. f(4)= f(-1)=

*asked on September 19, 2014* -
## Permutation and Combination

If 9 red balloons and 6 blue balloons are to be distributed to 4 children, how many distributions are possible if every child must receive a balloon of each color?

*asked on July 6, 2014* -
## Chemistry pH

A 0.60 M solution of a weak acid, HA, has a pH of 3.72. What is the percentage ionization of the acid? What is the value of Ka for the acid?

*asked on April 17, 2014* -
## Statistics

The p-value is the probability of the observed statistic given the null hypothesis is true. A) True B) False False?

*asked on November 4, 2013* -
## Statistics

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey (randomly generated phone

*asked on November 4, 2013* -
## Statistics

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adults by IBR Polls

*asked on November 4, 2013* -
## Statistics Help Please

A bank is testing a new method for getting delinquent customers to pay their past-due credit card bills. The standard way was to send a letter (costing about $0.45) asking the customer to pay. That worked 30% of the time. The bank wants to test a new

*asked on November 4, 2013* -
## Statistics

The bank sets up an experiment to test the effectiveness of the DVD. The mail it out to a random sample of delinquent customers and keep track of how many actually do contact the bank to arrange payments. The bank's statistician calculates a p-value

*asked on November 2, 2013* -
## Statistics

A bank is testing a new method for getting delinquent customers to pay their past-due credit card bills. The standard way was to send a letter (costing about $0.45) asking the customer to pay. That worked 30% of the time. The bank wants to test a new

*asked on October 30, 2013* -
## Statistics

A new manager, hired at a large warehouse, was told to reduce the 26% employee sick leave. The manager introduced a new incentive program for the company's employees with perfect attendance. The manager decides to test the new program to see if it's better

*asked on October 29, 2013* -
## Statistics

Which of the following criteria must be met to do a one-proportion z- test? A. The data values in the sample must be dependent. B. The parent population must be normally distributed. C. The data must come from a random sample. D. The sample size must be

*asked on October 29, 2013* -
## math

Perform each operation, convert to a fraction, & then convert your answer back to a mix number. -4(7/8)x 3(2/3) I did 8*-4+7/8 & got -25/8 then 3*3+2/3 & got 11/3 then i multiplied -25/8* 11/3 & got -275/34 but it's not the right answer, the answer is

*asked on October 13, 2013* -
## math

deductive or inductive reasoning? check my answers? If you square a positive number, you will get a positive number. The number 3 is positive. Therefore, 3^2 is a positive number. I say its inductive. The best player on our team this year attended a

*asked on September 28, 2013* -
## biology

In a laboratory population of diploid, sexually reproducing organisms a certain trait is determined by a single autosomal gene and is expressed as two phenotypes. A new population was created by crossing 102 pure–breeding (homozygous) dominant

*asked on August 1, 2013* -
## Calculus

If 2x-2¡Üf(x)¡Üx^2-2x+2, determine limx-->2f(x)= (Use squeeze theorem)

*asked on May 31, 2013* -
## statistics

On a national standardized test, with normally distributed results, the middle 68% of students scored between 40 points and 70 points, and the mean score was 55 points. Based on this information, which of the following represents a score in the 97.5th

*asked on May 28, 2013* -
## Math

Fence needs to be built for 6 children with 75 sq feet for each child. What would length and width be for fence in feet?

*asked on March 27, 2013* -
## Statistics

During September, the average temperature of Laurel Lake is 64.2º and the standard deviation is 3.2º. Assume the variable is normally distributed. For a randomly selected day, find the probability that the temperature will be a. Above 62º b. Below 67º

*asked on March 16, 2013* -
## chemistry

Calculate the temperature (K) at which the equation as written is at equilibrium. Express your answer to three significant figures. CaO(s) + CO2(g) → CaCO3(s) ∆G°f (kJ/mol) CaO(s)-604.0 CO2(g)-394.4 CaCO3(s)-1128.8 ∆H°f (kJ/mol) CaO(s)-635.1

*asked on March 11, 2013* -
## Algebra

The edge of one cube is 5cm shorter than the edge of a second cube. The volumes of the two cubes differ by 875cm^3. Find the edge of the smaller cube.

*asked on January 29, 2013* -
## Math 4th grade

How do you find the properties of addition?

*asked on October 9, 2012* -
## programming

Daily Life Magazine wants an analysis of the demographic characteristics of its readers. The Marketing Department has collected reader survey records containing the age, gender, marital status, and annual income of readers. Design an application that

*asked on October 1, 2012* -
## Math

Write a number that has a hundreds digit less than 7, a tens digit less than 5, a tenths digit one more than its tens digit, a thousandths digit twice the tens digit, and other digits of your choice.

*asked on September 30, 2012* -
## statistics

how do i calculate the SAT score that defines the bottom 3% of students with a mean of 500 and standard deviation of 100

*asked on September 20, 2012* -
## algebra

A boat is worth $7,000 when it is 5 years old and $2,000 when it is 10 years old. What is the slope intercept equation?

*asked on July 13, 2012* -
## PSYCHOLOGY

Will someone please point me in the right direction. How would you select survey takers? i have completed the survey for organizational motivation. I have also decided on the population of those who will be surveyed. Thank You-

*asked on April 18, 2012* -
## PSYCHOLOGY

Will someone please point me in the right direction. How would you select survey takers? i have completed the survey for organizational motivation. I have also decided on the population of those who will be surveyed. Thank You-

*asked on April 18, 2012* -
## MATH

If y= ab, then b= a+b A line goes under ab. Please help, I have not taken math in many years.

*asked on January 12, 2012* -
## Criminal Justice

Will someone please help me with this question? What are the goals of truth-in-sentencing laws?

*asked on December 17, 2011* -
## Criminal Justice

Please point me in the right direction. What would happen if the role of the police were lessened as it applies to the theory and practice of community policing?

*asked on November 17, 2011* -
## Criminal Justice

Please point me in the right direction. What would happen if the role of the police were lessened as it applies to the theory and practice of community policing?

*asked on November 17, 2011* -
## SCI

Please help me in understanding this. Differentiate between the First Law of Thermodynamics and the Second Law of Thermodynamics.

*asked on November 8, 2011* -
## math

How would you use the substitution method to answer 1/3x-2=1 x-6y=3, and what would be the solution?

*asked on November 2, 2011* -
## BUS 323

Will someone please provide some references to this question? Thanks Which of the six virtues (and their related character strengths) are most relevant in discussing business ethics?

*asked on September 28, 2011* -
## business

Can someone help me with this question by providing resources. What are the major implications for using positive psychology to study business ethics? Give a specific example .

*asked on September 19, 2011* -
## SOCIOLOGY

Will someone suggest websites for the below? Developments in parenting by !@#$%^&s and !@#$%^& men.

*asked on September 12, 2011* -
## Psy101

Do anybody know websites that can help me with this assignment? Choose one of the anxiety or mood disorders. Describe the disorder in detail including what is known or suspected about its causes and progression. Try to put yourself in the position of the

*asked on September 7, 2011* -
## physics

After driving 20.0 km west, a car turns southwest and proceeds another 50.0 km. What is the displacement (in kilometers) of the car from the point of origin (magnitude only)?

*asked on June 14, 2011*

## Pages

**1**- 2