# Valerie

Most popular questions and responses by Valerie-
## Math Ms. Sue help me

What does it mean to say that a number is a perfect square? Give one example of a number that is a perfect square and one that is not. Can you plz help me?

*asked on November 14, 2016* -
## Language Arts Help!!

10 MS. SMITH: {glossing over his misbehavior and adopting a serious tone as she hands Jason a piece of paper} Yes, ok. So, tell me your plan for the project. Have you consulted this project list yet? You really need to quit putting this off. You're the

*asked on May 25, 2016* -
## Geometry

On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard is then folded along the creases to make a rectangular box with open ends. Letting x represent the distance (in inches) between

*asked on January 21, 2011* -
## Social Studies

1) Which Geographic Feature most enabled people to cross the himalayas and other northern Mountains to settle the Indian Subcontinent? A) Rivers such as the ganges B)Gorges such as the khyber pass C)Lower mountains such as the Indian Subcontinet. D)Low

*asked on April 8, 2015* -
## Math Help!!

You roll a standard cube once. Find P(0) a) 7/6 b) 1 c) 1/2 d) 0

*asked on May 20, 2016* -
## Math

jason weighs 36 pounds together he and his sister weigh four ponuds more than three times the weight of his sister what is the weight w of jason's sister? 36+ w= 3; 18 pounds 36+ w- =3w; 19 pounds 36+ w= 3w+4; 16 pounds 36+ w= 3w -4; 20 pounds

*asked on January 27, 2017* -
## Math

List three different ways to write 5^11 as the product of two powers. Explain why all three of your expressions are equal to 5^11 Need some help Please!!

*asked on June 9, 2017* -
## English

What is one theme, or central of "Two Kinds"? Persistence is the key to success High expectations are the key to success Discovering one's own goals and desires is an important part of growing up A family cannot be happy unless the children obey and

*asked on September 8, 2017* -
## Math

Why did Airhead eat the dollar he brought to school

*asked on October 26, 2010* -
## Science

1.What challenges does [your topic] pose to biodiversity? 2.What do you think should be done and why? Can someone help me plz!! i have to write a discussion.

*asked on April 3, 2017* -
## Social Studies

What is one change Mansa Musa brought to Mali? A) He sent all of the scholars out of the empire. B) He brought Christianity to the empire. C) He made Islam the empire's official religion. D) He gave the provinces their independence Plzzz!!!! Help Me Plzzzz

*asked on September 21, 2016* -
## Chemistry

What is the pH of a 0.50 M solution of NaNO2 if the Ka of H20x = 4.5 x 10^-4. I know that you use the Ka to find Kb and solve from there, but why?

*asked on September 26, 2012* -
## Math

Mali-li has 7 1/2 yd of material. Her new skirt will take 4 5/8 yd. How much material will she have left after the skirt is made? 2 7/8 My answer 2 1/8 3 1/8 3 7/8 73 in. =___ ft 776 ft 6 1/2ft this one 8ft 7 1/4

*asked on October 23, 2017* -
## Physics

In Oersted's experiment, suppose that the compass was 0.30 m from the current-carrying wire. If a magnetic field of 1/3 the Earth's magnetic field of 5 10−5 T was required to give a noticeable deflection of the compass needle, what current must the wire

*asked on March 24, 2013* -
## Physics

To construct a solenoid, you wrap insulated wire uniformly around a plastic tube 12 cm in diameter and 45 cm in length. You would like a 2.0-A current to produce a 2.1-kG magnetic field inside your solenoid. What is the total length of wire you will need

*asked on March 24, 2013* -
## Science

How does the amount of substance affect the rate at which temperature changes? I will like someone to explain this to me, please.

*asked on October 18, 2017* -
## Chemistry

I am trying to answer my questions for thermal decomposition of malachite lab. I have moles of malachite in 1g= 0.0045 moles of Cuo produced= 0.0009 ratio of moles of Cuo produced per moles of malachite decomposed=0.0045/0.0009=5.1 the balanced euation =

*asked on September 27, 2009* -
## Science

Discuss your opinion of the consequences of artificial selection and the advantages and disadvantages of using genetic information in society. Use facts from your research to support your opinion. Cite the sources for your facts. Also, discuss your answer

*asked on March 7, 2017* -
## Science

what steps are important in the process of creating a scientific theory A) Hypothesizing,observing,and testing. B) Creating a prototype and trouble-shooting. C) Analyzing,Offering an opinion, and evaluating D) Trouble-shooting,hypothesizing,and evaluating.

*asked on October 3, 2016* -
## Science

This is what the chart talks about. A Melt 1 cup of butter chop an onion mix ingredients in a large bowl B Brown the meat in a frying pan boil 6 eggs bake at 350 degrees kendra was looking at recipes in a cookbook. she divided some of the steps of a recipe

*asked on October 20, 2017* -
## Math

Sarah flipped a pair of coins 60 times on 24 occasions, heads appeared on both coins. How is this outcome different from the expected outcome? It occurred 9 more times than expected it occurred 4 more times than expected It occurred 6 fewer times than

*asked on September 10, 2017* -
## Physics

A solenoid is 3.2 m long and has 500 turns per meter. What is the cross-sectional area of this solenoid if it stores 0.32 J of energy when it carries a current of 12 A? So I used L = 2*E / I^2; and then I used A = L*l / (uo * N^2) but my answer isn't

*asked on April 14, 2013* -
## present value

An investment pays you $20,000 at the end of this year, and $10,000 at the end of each of the four following years. What is the present value (PV) of this investment, given that the interest rate is 4% per year?

*asked on April 3, 2015* -
## Geometry

Ok Dr. Russ helped me find one part of the question, but I still can't figure out the values of x that maximizes volume = in. Any help is appreciated. Thanks On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced

*asked on January 21, 2011* -
## algebra

Can someone please help me do this problem? That would be great! Simplify the expression: sin theta + cos theta * cot theta I'll use A for theta. Cot A = sin A / cos A Therefore: sin A + (cos A * sin A / cos A) = sin A + sin A = 2 sin A I hope this will

*asked on February 18, 2007* -
## math

Find the center, vertices, and foci of the ellipse with equation 3x^2 + 8y^2 = 24.

*asked on September 1, 2016* -
## thermochemistry

A chemical reaction takes place in a container of cross-sectional area 100 cm2 . As a result of the reaction, a piston is pushed out through 19 cm against an external pressure of 596 torr. What is the value for w for this reaction?

*asked on October 14, 2012* -
## Math

Hillary buys 3 pounds of Gala apples and some Granny Smith apples. Both kinds of apples cost $4.50 per pound. The total cost is $24.75. How many pounds of Granny Smith apples did Hillary buy? Write and solve an equation.

*asked on January 5, 2019* -
## science

As temperature rises, solids generally become more soluble in water, but gases become less soluble. If a soft drink contains high concentrations of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down? A) Sugar

*asked on January 18, 2012* -
## Mathematics

You decide you will buy a stock only if it shows an overall increase over the next 30 days. The first 10 days, it has an average daily increase of 0.30. The next 10 days it has an average daily decrease of 0.45. The last 10 days, it has an average daily

*asked on September 12, 2017* -
## help with trigonometry??

Jacob is standing 112 m from a building. The angle of elevation when he looks up to the top of the building is 62°. How tall is the building? I don't really understand how to solve this, please help!!

*asked on January 24, 2017* -
## Mathematics

Can anyone check my answers please True or false 927 is divisible by 3 and 9 true 13,012 is divisible by 9 false 7,434 is divisible by 6 true 2,064 is divisible by 2,4,and8 true 96,240 is divisible by 2,3,5, and 10 true Am I right?

*asked on September 15, 2017* -
## sign language

can someone help me with sign language please!! 1)_____ of the American Manual Alphabet hand-shapes are formed to resemble the letter they represent A)All B)some C)None 2)what are two main parts of forming signs? A) forming words with your lips and

*asked on October 18, 2016* -
## math

A 128-lb person burns 320 calories per hour riding an exercise bicycle at a rate of 10 mi/hr. a) Write a function rule to represent the total calories burned over time by that person. b) Explain how the information in the problem relates to the function.

*asked on June 14, 2017* -
## Physics

A single-turn square loop of side L is centered on the axis of a long solenoid. In addition, the plane of the square loop is perpendicular to the axis of the solenoid. The solenoid has 1490 turns per meter and a diameter of 6.00 cm, and carries a current

*asked on April 7, 2013* -
## Social Studies

10.Which Piece Of Evidence Supports a Loosening of Islamic Tradition In saudi Arabia? A)The Hijab B) Five Pillars C)Women Politicians D)Prayer Outside The home I Say B) Five pillars

*asked on March 1, 2015* -
## Statistics

Blossom's Flowers purchases roses for sale for Valentine's Day. The roses are purchased for $10 a dozen and are sold for $20 a dozen. Any roses not sold on Valentine's Day can be sold for $5 per dozen. The owner will purchase 1 of 3 amounts of roses for

*asked on August 6, 2013* -
## Science

Xylem dries up and dies what is the effect

*asked on September 19, 2012* -
## chemistry

Use bond energies (Table below) to estimate H (kJ) for the following gas-phase reaction: (CH3)2CHOH(g) ==> (CH3)2C=O(g) + H2(g)

*asked on April 12, 2012* -
## Social Studies

Which territorial acquisition- excluding the original United States-- added the greatest number of states to the nation? Gadsden Purchase THIS ONE Louisiana Purchase Mexican Cession Oregon Territory Which of the following best describes the impact of

*asked on January 24, 2019* -
## accounting

Swan Creek Company has 40,000 shares of cumulative preferred 2% stock, $60 par and 50,000 shares of $50 par common stock. The following amounts were distributed as dividends:year 1 30000 my answer was 18000 common stock

*asked on September 14, 2014* -
## physics

the speed of a cyclist reduces uniformly from 2.5 m/s to 1.0 m/s in 12 s. (a) calculate the deceleration of the cyclist. (b) calculate the distance travelled by the cyclist in this time

*asked on October 31, 2010* -
## Science

What is the goal of technology to understand the natural world to improve how devices operate to improve how people live THIS ONE to understand how systems operate What is a factor that limits a technological design a prototype a trade-off a constraint

*asked on September 19, 2017* -
## British Literature

What figure of speech is used in this statement: "Good Mistress Accost, I desire better acquaintance."

*asked on February 12, 2012* -
## Math

Mrs. Klein made some tarts. She sold three fifths of them in the morning and one fourth the remainder in the afternoon. If she sold 200 more tarts in the morning than in the afternoon how many tarts did she make?

*asked on February 7, 2012* -
## Trig

Find the general solution for the equation 4tanx+cotx=5?????? and the steps please? THANYOO!

*asked on October 18, 2010* -
## Programming Java

I am learning Java in programming right now. I need to write a program that should have an output like this: The program says "Type ten names". Then ten names sould be typed a person. Then the program chooses a random name from the list and displays it on

*asked on November 16, 2017* -
## History

What were Alexis de Tocqueville contribution to his time period and also what contribution did he make to there character of America?

*asked on November 5, 2017* -
## Science Ms. sue help

what is the function of a cell wall A) to Protect and support the cell B) to preform different functions in each cell C) to prevent water from passing through the cell D) to prevent oxygen from entering the cell. Help!!!!

*asked on November 15, 2016* -
## Ap chemistry

a sample of radioactive iodine (half life=3 days) originally weighed 10 g, but now weighs 0.625 g. How old is the sample?

*asked on December 12, 2018* -
## AP Calculus AB

A farmer wants to create a rectangular pen, which will be divided into six separate sections, as shown in the accompanying diagram. If he has 600 feet of fencing to use, what outside dimensions will maximize the area of the pen?

*asked on December 12, 2010* -
## College Algebra

Deer Valley determined that the cost of these apples was 64 cents per pound. 1. What would be the selling price per pound for the prepackaged apples using a 30% markup based on cost? A 40% markup? A 50% markup? 2. Based on the national average for apples

*asked on December 17, 2015* -
## Math

Find the value of this integer expression: -2(+3+-4+-8++7) Calculate in distributions and without distribution. There are suppose to be an exponent with +3 and when you see ++7 there is suppose to be an exponent.

*asked on November 10, 2017* -
## liberal arts

A turtle is at the bottom of a 13 foot well. Each day it crawls up 5 feet, but each night it slips back 3 feet. After how many days will the turtle reach the top of the well?

*asked on November 24, 2014* -
## Physics

A parallel-plate capacitor is made from two aluminum-foil sheets, each 3.90 cm wide and 10.3 m long. Between the sheets is a mica strip of the same width and length that is 0.0225 mm thick. What is the maximum charge that can be stored in this capacitor?

*asked on February 24, 2013* -
## statistics

A sample of 134 golfers showed that their average score on a particular golf course was 87.43 with a standard deviation of 4.53. Answer each of the following (show all work and state the final answer to at least two decimal places.): (A) Find the 99%

*asked on November 2, 2010* -
## Math

Can anyone check this and see if I'm right? A crafts store bought 27 1/4 ounces of potpourri. The shop divides the potpourri into 2 1/2 ounce bags and sells each bag for $4.25. a. how many full 2 1/2 ounce bag of potpourri can the shop make. b. if all the

*asked on October 23, 2017* -
## Math

Complete the following task in your discussion group: Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination

*asked on May 11, 2017* -
## Finance

Suppose you buy a 7% coupon, 20 year bond today when it's first issued. If interest rates suddenly rise to 15%, what happens to the value of your bond?

*asked on October 26, 2010* -
## Math

Make a table to display your answer. When a coin is tossed four times, sixteen equally likely outcomes are possible as shown below: HHHH HHHT HHTH HHTT HTHH HTHT HTTH HTTT THHH THHT THTH THTT TTHH TTHT TTTH TTTT

*asked on March 26, 2011* -
## Math

Tell whether the quantity is constant or variable. 1. The price per gallon of gasoline. 2. The distance between Chicago and Boston. I need explanation for each also.... Thank you!

*asked on April 22, 2011* -
## Math

How many ways can 5 people be arranged in a straight line if there are 12 people to choose from

*asked on March 26, 2011* -
## Social Studies

Throughout the 1900s, many countries in Africa and Asia gained independence from European colonial powers. India is one of these countries, having gained their independence from Britain in 1947. Why did people in India want independence? In what ways was

*asked on November 10, 2016* -
## Physics

A single conducting loop of wire has an area of 7.4 10-4 m2 and a resistance of 110 Ω. Perpendicular to the plane of the loop is a magnetic field of strength 0.18 T. At what rate (in T/s) must this field change if the induced current in the loop is to be

*asked on April 7, 2013* -
## Chemistry

What is the lewis dot structure for copper?

*asked on February 21, 2013* -
## business math

I'm trying to solve this problem: What sinking fund payment would be required at the end of each three-month period, at 8% interest compounded quarterly, in order to amount to 20,000. I just need to know how to work the problem correctly.

*asked on January 14, 2011* -
## Trigonometric Function

A Ferris wheel has a radius of 10 meters and is revolving 6 times each minute (wheel's frequency.) The wheel's center is 12 meters from the ground. If time starts on the ground, then find a sine function that shows the height from the ground for a car on

*asked on April 14, 2014* -
## Physics

As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 590 m to be the other plate. Assume the surface area of the cloud to be the same as the area of a square that is 0.50 km on a

*asked on February 24, 2013* -
## Mathematics

CHECK MY ANSWERS PLEASE 1.9 squared is equivalent to ___ 18 9^2 81 both b and c this one

*asked on September 15, 2017* -
## Math

Simplify the polynomial 2x^2 + 6x - 7x + 8 - 3x^2 + 1 A)2x^2 + x + 9 B)-2x^2 - x - 9 C)-x^2 - x + 9 D)x^2 + 9 Please help me

*asked on June 12, 2017* -
## science

Why do earthquakes occur along the San Andreas Fault

*asked on October 31, 2015* -
## Physics

A 11-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 5.3 µF, 10.7 µF, and 31.8 µF. Find the voltage across the 31.8-µF capacitor. Please Help!

*asked on February 24, 2013* -
## math

What is the solution to r/-3=12?

*asked on September 21, 2016* -
## civics

Sarah supports ratifying a new Cybercrime society. She would like to write a letter expressing her support. Where would she send her letter? A)to a Supreme Court justice B)to her district representative C)to her senators D)to the president

*asked on November 2, 2015* -
## physcial science

Jennifer, who has a mass of 50.0 kg, is riding at 35.0 m/s in her red sports car when she must suddenly slam on the brakes to avoid hitting a deer crossing the road. She strikes the air bag that brings her body to a stop in 0.500 s. What average force does

*asked on May 8, 2014* -
## physics

A cannon on a level plain is aimed 50 degrees above th e horizontal and a shell is fired with a muzzle velocity of 1200 ft/s toward a vertical cliff 3200 ft away. How far above the bottom does the shell strike the side wall of the cliff?

*asked on September 4, 2012* -
## chemistry

35.0 g of an organic compound dissolved in 500. g of water have a freezing point of -3.72 degrees C. What is the molecular weight of the solute?

*asked on February 14, 2011* -
## statistics

Assume that the population of heights of male college students is approximately normally distributed with mean m of 70.63 inches and standard deviation s of 6.47 inches. A random sample of 88 heights is obtained. Show all work. (A) Find the mean and

*asked on November 2, 2010* -
## Mathematics

When you are translating a number from scientific notation to standard form, what does the exponent tell you? The number of zeros to add to the end of the original number the number of places to move the decimal point to the left the number of places to

*asked on September 26, 2017* -
## Math

Amy is making a drawing of different things in her neighborhood. One house she drew is 30 feet wide. Her scale drawing of the house is 5 inches wide. Which of the following uses the same scale Amy used to draw this house. A 54 foot-tall water tower is

*asked on September 10, 2017* -
## finance

(Bond valuation) Eagle Ventures has a bond issue outstanding with an annual coupon rate of 7 percent and 4 years remaining until maturity. The par value of the bond is $1,000. (a) Determine the current value of the bond if present market conditions justify

*asked on March 8, 2013* -
## science

While rearranging a dorm room, a student does 286 J of work in moving a desk 1.3 m. What was the magnitude of the applied horizontal force?

*asked on February 21, 2013* -
## math

two fifth of the students walked to school what fraction did not walk?

*asked on January 17, 2012* -
## Math

In how many ways can 7 people line up for plane tickets?

*asked on March 26, 2011* -
## Math

A contractor is considering a sale that promises a profit of $30,000 with a probability of .7 or a loss of $4,000 with a probability of .3. What is the expected profit?

*asked on March 26, 2011* -
## Math

Name the subset of the real numbers to which each number belongs divided 113

*asked on October 16, 2017* -
## Reading Help!!

Are there any books that are about greedy people that change? Other than Christmas Carol because I'm trying to write a compare and contrast paragraph.

*asked on May 24, 2016* -
## Math

Two sides of a triangle measure 7 cm and 15 cm . Which of the following could not be the length of the third side ? A. 5 cm B. 9 cm C. 15 cm D. 22 cm I'm confused because at first I tried Pythagorean thereom and it didn't really work .

*asked on June 3, 2014* -
## Physics

a 5 kg crate falls from a height of 2.0 m into an industrial spring scale. When the crate comes to rest the compression of the spring is 24 cm. what is the spring constant?

*asked on April 4, 2014* -
## Physics

Two trains with 112-Hz horns approach one another. The slower of the two trains has a speed of 26 m/s. What is the speed of the faster train if an observer standing near the tracks between the trains hears a beat frequency of 4.7 Hz? (Express your answer

*asked on April 24, 2013* -
## Algebra

The town of appleville recorded the following dates and populations. YEAR POPULATION 1985 51.5 1985 53 1990 56 1995 62 Estimate the approximate population of Appleville in 1988 by finding an equation and then substituting. HELP!!!

*asked on April 22, 2011* -
## analogies

first is to last as originally is to _____ storm is to weather as outgoing is to ____ heavens is to sky as virtually is to _____ text is to script as ethically is to _____ white is to black as copy is to ____ detail (S) for it ______?orginality Do you have

*asked on December 13, 2006* -
## Math

Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 24 birds. How many robins did she see than cardinals?

*asked on November 29, 2016* -
## Math

Explain the difference in meaning between |-3| and -3. Plzz Help me on this!

*asked on September 29, 2016* -
## Pre cal

Translate the graph of y=sinx to the right by pi units, and then reflect this curve about the x-axis what graph result?

*asked on April 10, 2014* -
## English

I am doing my summer reading for 9th grade reading assignment & need to write about 10 passages from a variety of literary terms. Could you explain some of these terms?

*asked on August 29, 2013* -
## College Physics

The rectangular coils in a 201-turn generator are 14 cm by 17 cm. What is the maximum emf produced by this generator when it rotates with an angular speed of 525 rpm in a magnetic field of 0.81 T? I'm not sure what equations to use.

*asked on April 25, 2013* -
## Physics

A magnetic field increases from 0 to 0.09 T in 3.0 s. How many turns of wire are needed in a circular coil 20 cm in diameter to produce an induced emf of 7.5 V? Please help soon.

*asked on April 7, 2013* -
## science

While rearranging a dorm room a student does 286 J of work to move a desk 1.3 m. What was the magnitude of the applied horizontal force?

*asked on February 21, 2013* -
## Precalculus

5. A water wheel has a radius of 60 feet, and the center is 14 feet above the water level. The water wheel makes a complete rotation every 45 minutes. A specific cup starts at the top of the wheel. Write a sine equation to model the above water wheel.

*asked on January 11, 2013*