# please help!

Most popular questions and responses by please help!-
## ELA Lesson 18: Adventures and Imagination UnitTest

1. What is the best summary of lines 1–16? (1 point) Alice cannot reach the doorknobs. Alice keeps shrinking until she is very tiny. She talks about being smaller than furniture in the room. She throws the Rabbit’s gloves and fan on the floor. When she

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

Write a list of steps that are needed to find the measure of angle B. A measures 72 degrees and C measures 113. What does B measure?! Please help!

*asked on February 1, 2017* -
## Social Studies

1. How did Horace Mann contribute to the reform in education? A.His development of books with raised letters aided in the education of the blind. B. His educational philosophy led to a new approach to educating the deaf. C. His radical call for classroom

*asked on May 22, 2017* -
## Math: Geometry

2. Name four line. Segments that have point B as an endpoint. A. AF, CH, AE, BE B. BA, BF, BC, BH 3. AF, CH, AE, BE 4. BA , BF, BC, BH Please help!

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

For questions 1 and 2, use the integer values of x from -3 and 3 to graph the equation 1. y= -2x^2 +3 (the ^ means an exponent) 2. y= 1/3 |x| -2 Find the horizontal change and the vertical change from the translation P(4, -4) --> (-4, 7)

*asked on April 13, 2017* -
## Chemistry

If 1.10 g of steam at 100.0 degrees celsius condenses into 38.5 g of water, initially at 27.0 degrees celsius, in an insulated container, what is the final temperature of the entire water sample? Assume no loss of heat into the surroundings

*asked on November 8, 2010* -
## Social Studies

Which of the following musical styles of the 1800s has helped shape current genres, such as country and rock music? A dixie** B jazz C gospel D Blues

*asked on May 22, 2017* -
## Math

Triangle ABC is reflected over the y-axis what are the coordinates of the reflected triangle describe in words what happens to the x coordinates and the y coordinates of the original triangle's vertices as a result of this reflection. Please help! Thank

*asked on April 5, 2016* -
## SS

How does the geography of Eastern Europe most affect farming in the region? There's more, but please answer this question first. If you know all the answers to the test please tell me them! Thanks!

*asked on May 26, 2016* -
## Math

For questions 2 and 3, simplify each polynomial. 2. 3x^2+6-2x+5x-4x^2+9 a. -x^2+3x+15 b. 7x^2+3x+3 c. x^2-3x+15 d. -x^2+7x+15 3. 4x^2+8x-11x+6-5x^2+2 a. -x^2-3x+8 b. -x^2+3x+8 c. x^2-3x+8 d. x^2+3x+8 Please, i need help with the Lesson 7: Polynomials and

*asked on May 8, 2019* -
## World History

05.06 HC)Suppose a historian wanted to argue that the Enlightenment had a more positive influence on the American Revolution than on the French Revolution. Which statement below would be the strongest evidence for the historian's view? The French

*asked on February 5, 2016* -
## Science

In pea plants, purple flowers are dominant over white flowers. Which Punnet square correctly shows the cross of a plant with white flowers and a plant that is heterozygous for purple flowers? A. Aa,Aa, aa, aa B. Aa,Aa, Aa,Aa C. AA,Aa, Aa,aa D. AA,AA, Aa,Aa

*asked on January 28, 2016* -
## World History

Which statement supports the claim that the political philosophy of John Locke was as revolutionary as the scientific revolution of Copernicus? *****a. Just as Copernicus replaced the Earth with the Sun at the center of the solar system, Locke replaced the

*asked on February 5, 2016* -
## physics

A 66.0 kg man is ice-skating due north with a velocity of 5.70 m/s when he collides with a 36.0 kg child. The man and child stay together hand have a velocity of 2.20 m/s at an angle of 33.0° north of east immediately after the collision. What was the

*asked on November 22, 2010* -
## Social studies

I need help with the unit 3 Lesson 8. Please I would really appreciate it!!

*asked on February 27, 2019* -
## Math

Which equation has a graph perpendicular to the graph of 7x = 14y - 8? Y = 2x - 7 Y = -1/2x + 4 Y = 1/2x + 1 Y = 2x + 9 B?

*asked on January 10, 2016* -
## College Calculus 1

A runner sprints around a circular track of radius 150 m at a constant speed of 7 m/s. The runner's friend is standing at a distance 300 m from the center of the track. How fast is the distance between the friends changing when the distance between them is

*asked on October 1, 2010* -
## Spanish

Who was the Columbian artist best known for painting characters and objects with larger-than-life features? A. Fernando Botero B. Salvador Dalí C. Diego Rivera Is the answer A?

*asked on March 4, 2019* -
## English

What is the best way to revise the following sentence so it used a pronoun in the nominative case? Lauren handed Sarah the keys after locking the door. A. She handed Sarah the keys after locking the door. B. Lauren handed her the keys after locking the

*asked on March 12, 2019* -
## S.S redo

1. The economic centers of the Northeast are the region's __________. (1 point) farms fisheries forests cities 2. Two major ports in the South are ______________________. (1 point) Atlanta and Dalton Raleigh and Austin Miami and New Orleans New York City

*asked on March 12, 2014* -
## Social Studies

I am stuck on my practice test and test and pre test of, The Revolutionary War. As you can see I am far behind. Can someone give me resources? I have read my books over and over again.

*asked on August 30, 2016* -
## Science Help!

Long hair is recessive in cats. Which of the following Punnett squares shows a cross that would result in the probability that 75% of the offspring will have short hair?

*asked on January 28, 2016* -
## Science

What is/are the main factor(s) that determine(s) that your plants will grow into bean plants (or other fast-growing plants that you used for your experiment) and not some other type of plant (genetics, environment, or both)? Explain your answer

*asked on September 23, 2015* -
## math

For 2 and 3 simplify each polynomial 2. 4x^2+4-5x+x-2x^2+8

*asked on May 5, 2019* -
## physics

An alpha particle collides with an oxygen nucleus, initially at rest. The alpha particle is scattered at an angle of 60.9° above its initial direction of motion, and the oxygen nucleus recoils at an angle of 51.9° on the opposite side of that initial

*asked on November 21, 2010* -
## chemistry

i keep trying to do these problems and i don't understand them. please help me!! 1. Gas stored in a tank at 273 K has a pressure of 388 kPa. The save limit for the pressure is 825 kPa. At what temperature will the gas reach this pressure? A. 850 K B. 925 K

*asked on October 10, 2008* -
## Spanish

I just need someone the check my answer.. Which of the following honors belongs to Chilean poet, Gabriela Mistral? A. The first Latin American to win the Nobel Price in Literature** B. The first poet to win the Nobel Prize in Chemistry C. The first woman

*asked on February 7, 2019* -
## physics

A boat travels at 3.8 m/s and heads straight across a river 240 m wide. The river flows at 1.6 m/s. Find A) The boat's resultant velocity. B) How long it takes the boat to cross the river. C) How far downstream the boat is when it reaches the other side.

*asked on November 2, 2008* -
## Science/Math

Hello, Suppose that a newly discovered element called centium has three isotopes that occur in nature. These are centium-200, centium-203, and centium-209. Assume that these isotopes occur in equal amounts in nature. What will be the average atomic mass of

*asked on April 13, 2011* -
## Math

What are the next three terms in the sequence? -3, 6, 15, 24. a. 35, 46, 57 b. 34, 44, 54 c. 33, 44, 66 d. 33, 42, 51

*asked on April 22, 2019* -
## physics

A golfer imparts a speed of 32.1 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation. (a) How much time does the ball spend in the air? (b) What is the longest "hole in

*asked on October 12, 2010* -
## American Government

Which of the following statements describes the governorâ€™s role in creating the state budget? A. The governor creates the budget, and the state legislature and agencies must accept it. B. The governor proposes the budget, which the other executive

*asked on November 1, 2017* -
## math

The quantity demanded x (in units of a hundred) of the Mikado miniature cameras/week is related to the unit price p (in dollars) by p = −0.2x2 + 80 and the quantity x (in units of a hundred) that the supplier is willing to make available in the market is

*asked on December 6, 2012* -
## Math

Find the the volume of a cone with the radius of 5ft and a height of 12ft

*asked on February 28, 2019* -
## chemistry

How many grams of NAC2H3O2 must be dissolve in enough water to prepare 250.0 mL of a solution with a pH= 9.200? Molar mass of NaC2H3O2 ia 82.03 g/mol. Ka for C2H3O2H is 1.8x10^-5

*asked on October 3, 2011* -
## Advanced Functions

Rena has been offered entry-level positions with two firms. Firm A offers a starting salary of $40 000 per year, with a $2000 per year increase guaranteed each subsequent year. Firm B offers a starting salary of $38 500, with a 5% increase every year after

*asked on December 13, 2009* -
## Math

A new oil field has just begun production. The first oil removed is the easiest to get out, and so production falls as time goes on. The instantaneous rate at which oil can be extracted is 14% of the amount of oil remaining per year. Here, "instantaneous"

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

Which equation has a graph parallel to the graph of 9x + 3y = -22 Y = 3x - 22 Y = 3x + 8 Y = 1/3x + 12 Y = -1/3x - 2*** Please help @Ms. Sue

*asked on January 10, 2016* -
## Math

A new oil field has just begun production. The first oil removed is the easiest to get out, and so production falls as time goes on. The instantaneous rate at which oil can be extracted is 14% of the amount of oil remaining per year. Here, "instantaneous"

*asked on April 20, 2016* -
## S.S please help!

1 Marks: 3 Which statement best describes the government of Canada? Choose one answer. a. The monarch of Britain has total control over Canada. b. The Canadian parliament is ruled by the United States. c. Canada has complete power over its own government.

*asked on March 12, 2014* -
## physics

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.38 m/s. The car is a distance d away. The bear is 25.4 m behind the tourist and running at 5.88 m/s. The tourist reaches the car safely. What is the

*asked on December 11, 2008* -
## MATH

A triangle with two congruent sides and two angles that both measure 45 is a.scalene and right b.isosceles and acute c.isosceles and right d. Equilateral and acute

*asked on December 5, 2010* -
## Math

Graph the linear equation 5. y = 3x + 3 My answer: D (probably wrong) 6. Find the slope of the line through (-9,-10) and (-2, -5) A: -5/7 B: 7/5 C: 5/7 D: -7/5

*asked on April 10, 2017* -
## chemistry

when water is combined with magnesium nitride to produce magnesium hydroxide and ammonia gas, is this reaction endothermic or exothermic and why?

*asked on January 25, 2011* -
## ENGLISH

In "A Man Called Horse," After his wife leaves him, Yellow Robe Behaves recklessly in battle because he A. would rather die than live with the bitterness he feels as a result of his lost pride B. is trying to gain membership in the society known as the

*asked on May 28, 2014* -
## math

i'm having trouble with this math equation 5/2x^2-1/2^4 (need to find greatest common factor)

*asked on May 19, 2011* -
## Chemistry

Consider the following equilibrium at 1000K: 2SO2 (g) + O2 (g) ¡ê 2SO3 (g) A study of this system reveals that there are 3.5E-3 moles of sulfur dioxide gas, and 4.8E-3 moles of oxygen gas present in a 11.0L flask at equilibrium. The equilibrium constant

*asked on June 3, 2012* -
## Math

Write the standard equation of the ellipse with the given characteristics Vertices: (0,7) (0,-7) foci: (0,2) (0,-2)

*asked on May 7, 2012* -
## math

Suppose $5000 is deposited in a bank account that compounds interest four times per year. The bank account contains $9900 after 13 years. What is the annual interest rate for this bank account? i already set it up but i don't know where to go from there.

*asked on April 9, 2012* -
## Math

Write and equation to match the problem situation below. Callie has 4 rimes as many CDs as she has DVDs. She has a total of 60 CDs and DVD. How many dvds, d, does callie have?

*asked on February 22, 2011* -
## physics

A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 795 m/s. The barrel is pointed directly at the center of the bull's-eye, but the bullet strikes the target 0.042 m below the center. What is the horizontal distance between the

*asked on October 13, 2010* -
## MATH-HELP!

The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

*asked on March 2, 2008* -
## Physics

A square-shaped loop carries current I. What is the magnitude and the direction of the magnetic field at point P, which is located on the bottom segment of the loop? Each side of the square loop has length d. The answer should be given in terms of d, I,

*asked on March 22, 2017* -
## Science

1. ____ are stored by the body as energy reserves. Lipids Carbohydrates Proteins Nucleic acids C?

*asked on January 10, 2016* -
## MATH/PHYSICS

1.) A bird can fly 20 km/h. How long does it take to fly 12 km?

*asked on October 1, 2012* -
## Lunar Eclipse

You have just witnessed a total lunar eclipse! Write an email to a friend, describing the sequence of events that you witnessed. Explain why the eclipse occurred and your impressions of the changing night sky.

*asked on April 24, 2018* -
## financial managment

Inventory and Depreciation Concepts Assume that an organization purchased two pieces of equipment on April 1st (the first day of its fiscal year), as follows: (1) One laboratory equipment that cost $530,000 and has an expected life of 8 years. The salvage

*asked on October 8, 2017* -
## AP Chemistry

14 carat gold has a purity of 58.3%. How many moles of gold are in 138 grams of 14 carat gold? Answer in units of moles.

*asked on September 19, 2017* -
## Physics

A typical tumor treated with radiotherapy may receive 400 Gy per 250g. How many disintegrations of caesium-137 atoms are required to provide that absorbed dose? Help would be appreciated!

*asked on June 18, 2015* -
## statistics

An investment broker reports that the yearly returns on common stocks are approximately normally distributed with a mean return of 12.4 percent and a standard deviation of 20.6 percent. On the other hand, the firm reports that the yearly returns on

*asked on May 13, 2014* -
## calculus

Can someone help me understand how to find the derivative of these two problems: (t^2-1/t^2+2)^3=y and y=sin^32x? I think with the first one, I could just foil it maybe and cancel but I don't know what to do with the ^3...and then the second one I haven't

*asked on June 24, 2012* -
## Math

Change into standard form 1. x^2+6x+4y+5=0 2. y^2+12x+2y+=-25

*asked on May 7, 2012* -
## chemistry

when water is combined with magnesium nitride to produce magnesium hydroxide and ammonia gas,

*asked on January 25, 2011* -
## Math

Which of the following shapes could not represent a top, front, or side view of a pentagonal prism? a. A pentagon b. A triangle c. A square d. A rectangle

*asked on December 5, 2010* -
## Science

The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.

*asked on May 3, 2010* -
## MATH

The total sales made by a salesperson was $25,000 after 3 months and $68,000 after 23 months. Predict the total sales after 42 months.

*asked on January 17, 2010* -
## prob and stats

A test is conducted in 22 cities to see if giving away free transit system maps will increase the number of bus riders. In a regression analysis, the dependent variable Y is the increase in bus riders (in thousands of persons) from the start of the test

*asked on December 9, 2009* -
## Algebra

Jon and Melissa agree to meet in Chicago for the weekend. Jon travels 236 miles in the same time that Melissa travels 224 miles. If Jons rate of travel is 3 mph more than Melissas, and they travel the same length of time, at what speed does Jon travel?

*asked on March 5, 2013* -
## Physics

A spherical generator is used to produce a -15.00D surface on glass of refractive index 1.80. The diameter of the cutting tool is 80mm and the radius of the cutting surface is 4mm. What is the angle between the axis of the tool and the axis of the lens?

*asked on October 28, 2012* -
## Physics

The three 500 g masses in the daigram are connected by massless, rigid rods to form a triangle. What is the triangle's rotational energy (in J) if it rotates at 1.50 rev/s about an axis through the center? (Diagram shows equilateral triangle with 500g

*asked on November 14, 2011* -
## CHEMISTRY

ETHANOL (C2H5OH) HAS A DENSITY OF 0.80g/ml. IF A 10%(v/v) MIXTURE OF ETHANOL IN WATER WAS PREPARED HOW MANY GRAMS OF ETHANOL WOULD BE IN 100ML OF THE MIXTURE? (ASSUMING MIXED VOLUME IS THE SUM OF THE PARTIAL VOLUME)

*asked on April 25, 2011* -
## Science/Math

The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.

*asked on May 3, 2010* -
## chemistry

1 km = ? cm. I was thinking 1,000,000. Could someone double check that?

*asked on December 12, 2008* -
## microecomomics

When deriving an individuals demand curve how do you find the optimal bundle if you are only given: price of 2 goods and income. i.e- price of wine: $35 price of beer: $12 Income= $419

*asked on October 5, 2008* -
## why won't anybody help me

The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

*asked on March 2, 2008* -
## math

The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

*asked on March 2, 2008* -
## Precalculus

Which of the following functions have graphs that reflect their respective parent functions over the x-axis? Select all that apply. a. g(x) = -2^x b. g(x) = (-2)^x c. g(x) = 4th root(-3x) d. g(x) = -1/3 4th root(x) e. g(x) = - absolute value(x) f. g(x) =

*asked on October 20, 2018* -
## Algebra

suppose that y is directly proportional to x and that y=10 when x=3. Find the constant of proportionality k. K= Use y=kx to find when x=6 Y= Is the answer: K=3.33 Y=9.99 Please help. I'm so confused.

*asked on November 27, 2016* -
## Math

At the end of the course David averaged a 90% on Tests; 80% on Quizzes; 60% on Quick Checks; 90% on Discussions; 100% on Participation and 95% on Sample Work. What would be his final percentage to the nearest tenth and please show how you got your answer!

*asked on October 17, 2016* -
## Physical Science

Why do molecules in a cup of water move at a variety of speeds?

*asked on September 21, 2015* -
## chemistry

What is the molarity of 5g of O2 in 250 mL? Show work, please.

*asked on December 12, 2012* -
## physics

A spherical generator is used to produce a -15.00D surface on glass of refractive index 1.80. The diameter of the cutting tool is 80mm and the radius of the cutting surface is 4mm. What is the angle between the axis of the tool and the axis of the lens?

*asked on October 28, 2012* -
## PHYSICS

Vector V1 is 6.29 units long and points along the negative x axis. Vector V2 is 4.23 units long and points at +35.0° to the +x axis. (a) What are the x and y components of each vector? (b) Determine the sum V1 + V2.

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

I have to evaluate the limit of these problems and I can't figure them out! 1.) Lim x-> 1 x^2+x-2/x^2-x 2.) (please note that the -2 is not under the square root) Lim x->0 sqroot 4+h -2/ h

*asked on June 18, 2012* -
## Math

Maratha bakes between 4 1/4 and 9 3/4 hours each day at her bakery. About how many hours does she spend baking in one week?

*asked on December 6, 2010* -
## Math Please Help

Which statement is not true? Two or angles that are supplementary have a sum of 180 or Two angles that are complementary have a sum ot 45

*asked on December 5, 2010* -
## Math Please Help

The premiters of two equilateral triangles are in the ratio 2:3. If the perimeter of the smaller triangle is 16 cm what is the measure of a side of the larger triangle?

*asked on December 5, 2010* -
## Prob and Stats

In a multiple regression with 5 predictors in a sample of 56 U.S. cities, what would be the critical value for an F test of overall significance at a= .05? A. 2.45 B. 2.37 C. 2.40 D. 2.56

*asked on December 9, 2009* -
## chemistry lab repost

i need help locating a lab for regents chemistry. i have the data sheet but misplaced the rest of the lab. i know it's online somewhere, but i'm not sure which lab it is.. (what it is called). The data sheet has 3 charts on it, 1 titled 'solubility'. it

*asked on March 15, 2009* -
## microeconomics

When deriving an individuals demand curve how do you find the optimal bundle if you are only given: price of 2 goods and income. i.e- price of wine: $35 price of beer: $12 Income= $419

*asked on October 6, 2008* -
## Math

Find T 2200=7500/(1+9e^-o.o21972*T) Can I multiply both sides by 1+9e^-0.021972*T ?

*asked on January 14, 2015* -
## Algebra

1.How do I find the center of a circle using the points (2,8) (-4,6) (1,-1) ? 2. The Radius of the circle? 3. Equation of circle THANKS!

*asked on September 24, 2014* -
## Algebra 2

log4 (x-2) - log4 (x+1) = 1

*asked on June 13, 2012* -
## Algebra 2

log x 8 = 2

*asked on June 13, 2012* -
## Math

c - 1/4c = 49.95

*asked on January 23, 2011* -
## Math

2/7 k - 1/14 k = -3 does k= -42?

*asked on January 23, 2011* -
## Math!

x/4 - 3x/2 = -1/2 I do not understand at all

*asked on January 23, 2011* -
## Math

Luke bought some things at the store. He paid $5.98 for a pizza, $3.75 for a case of dr.pepper, $2.50 for a box of brownie mix. And $1.01 in sales tax. What information is needed to find Lukes correct change?

*asked on December 6, 2010* -
## MATHE HELP!

Write an expression that can be used to find the average if these numbers: 7, -2, 10, -4, -9

*asked on December 6, 2010* -
## Science

The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.

*asked on May 3, 2010*

## Pages

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