Questions Asked on
October 24, 2014

Latin I
I need help translating these. Poetae pecuniam dabo. Reginae fabulam nuntiabamus. Vias provinciarum aedificas. Praedam patriae occupabant. Regina fabulam poetae laudabit. Agricolae terram Italiae laborabant. Fama, fortuna, et pecunia nautam vocant. Nauta
asked by Tory 
Physics
As shown in the figure below, a skateboarder starts at point A on the ramp and rises to point B, a maximum height of h = 2.89 m above the top of the ramp. If the amount of work done against friction is insignificant, determine his initial speed at point A.
asked by Anonymous 
STATISTICS HELP!!!!!
Bender Electronics buys keyboards for its computers from another company. The keyboards are received in shipments of 175 boxes, each box containing 30 keyboards. The quality control department at Bender Electronics first randomly selects one box from each
asked by Jess 
Music
Write down your thoughts on Stockhausen style of music?.......
asked by Kinga M. 
Math
There are two chords AB and AC in a circle.[AB]=10cm, [CD]=8cm and the radius of the circle is 12cm.what is the distance of each chord from the centre of the ccircle?
asked by Anonymous 
Maths
110 members of a sports club play atleast one of the games, football, basketball and volleyball. If 20 play football and basketball only, 15 play football and volleyball only, 26 play basketball and volleyball only, x play all the three games, 2x each play
asked by Abdul 
english 1
What is one way that “The Maori: Genealogies and Origins in New Zealand” contrasts with “The Raven and the First Men: The Beginnings of the Haida”?
asked by rick 
math
The cost of soup, s, varies directly with the number of cans, c. When c is 4, the cost is $3. Which graph represents the cost of the soup?
asked by Sergey 
Algebra 1
Given: 5x  6y = 0. What is the xintercept? (0, 0) (1/5, 0) (0, 1/6) no intercept
asked by Casey 
maths
the sum of the first two terms of a GP is 28,but the sum of the third and fourth terms is 252.find the second term of the gp if the seventh term is 5103. please help.
asked by miracle 
Help Math
Jodi has a model of a tetrahedron (shown below) and would like to know how many different nets exist for the tetrahedron. How do you respond?
asked by Enis 
Theories and issues in working with schoolage chi
According to Maslow's hierarchy of needs, trying to earn respect, approval, and success are part of which level of the pyramid? A. Safety needs B. Survival needs C. Esteem needs D. Physiological needs C.
asked by Amanda 
algebra
Find an equation of the line that satisfies the given conditions. Through (5, 3) and (4, 7)
asked by Bob 
help Math
A student wonders if she triples each measurement of a cereal box, will she need three times as much cardboard to make the new box. How would you help her decide?
asked by StevenB 
Statistics
Bender Electronics buys keyboards for its computers from another company. The keyboards are received in shipments of 75 boxes, each box containing 30 keyboards. The quality control department at Bender Electronics first randomly selects one box from each
asked by Alli 
Trig
Find the coordinates of the point at 10 degrees on a circle of radius 2.7 centered at the origin. Round your answers to three decimal places.
asked by Collen 
Trig calc
Find the coordinates of the point at 45 degrees on a circle of radius 3.6 centered at the origin. Round your answers to three decimal places.
asked by Perry 
algebra
Compute the domain of the realvalued function f(x)=sqrt(1sqrt(2x)). Thank you
asked by Trish Goal 
math
Given: 2x + 3y = 6. What is the yintercept? (0, 3) (2, 0) (0, 2) no intercept
asked by Harry Potter 
Chemistry
Calculate the value (calories) for the heat of solution. Mass of NaOH: 2.03 g ΔT for reaction A : 8 °C
asked by Maria 
Math 130
Jodi says that if you double the radius of a right circular cone and divide the slant height by 2, then the surface area of the cone stays the same since the 2s cancel each other out. How do you respond?
asked by Enis 
Managerial Finance
The future value of an ordinary annuity of 1,000 each year for ten years, deposited at 3 percent, is A. 11,808 B. 8,530 C. 11,464 D. 10,000
asked by Spacegazing 
Prealgebra
Dwayne walks a total of 960 feet around 3 sides of a square city block. Which equation and solution show a correct way to find the perimeter, P, of the block?
asked by Leigha 
Math
Find the coordinates of the point at 180 degrees on a circle of radius 3.4 centered at the origin. Round your answers to three decimal places, if required. ( , 0 ) I got 0 as the y coordinate. Please help me solve for x
asked by Thomas 
Thesis statement
I need help writing a thesis statement about family relationships
asked by Sara 
Theories and issues in working with schoolage chi
To create effective and attractive programs for children, most activities should be A. focused on academic learning. B. selfselected. C. traditional games. D. similar to those experienced during the school day. A.
asked by Amanda 
chemistry
H3PO4+3Ca(OH)2=Ca3(PO4)2=6H2O If 44.6g of Ca3(PO4)2 are formed in the above reaction, how many moles of H3PO4 must have been consumed?
asked by sandy 
AP Chemistry
Calculate the heat that must be supplied to a 544 g stainless steel vessel containing 333 g of water to raise its temperature from 16.4◦C to the boiling point of water 100◦C **Please help me find the delta T of steel too**
asked by Kari 
math
You have been asked to build a ramp for Dan’s Daredevil Motorcycle Jump. The dimensions you are given are indicated below. Find the height and incline in feet. Round to the nearest foot One side is 200 ft.The angle between the hypotenuse and the side of
asked by river pond 
Convert
how do you convert .466666666666 repeating to a fraction
asked by Skywaimasika 
Math
What is an irregular number?
asked by Makenzie 
science
Due to friction with the Earth's atmosphere, a large static electric charge could build up on our plummeting asteroid fragment. Would you expect our fragment to generate a magnetic field? Explain why or why not
asked by mary 
Chemistry
What mass of Manganese (II) Chloride must react with sulfuric acid to release 45.0ml of hydrogen chloride gas at STP? Please list step by step.
asked by Loretta 
physics
Calculate the mass of H2O produced by metabolism of 2.6kg of fat, assuming the fat consists entirely of tristearin (C57H110O6), a typical animal fat, and assuming that during metabolism, tristearin reacts with O2 to form only CO2 and H2O.
asked by Anonymous 
physis
A man weighs 750 N on the surface of the earth. What would be his weight when standing on the moon? The masses of the earth and the moon are respectively, 5 98 0 kg and 7 36 0 kg. Their radii are respectively 6 37 0 km and 1 74 0 km
asked by hart 
Math Calc
Let theta be an angle in the first quadrant, and suppose sin theta equals a. Evaluate sin(180 degrees + theta) in terms of a sin(180 degrees + theta) =
asked by Josh 
Physics
A classmate throws a 1.1kg book from a height of 1.3 m above the ground straight up into the air. The book reaches a maximum height of 4.0 m above the ground and begins to fall back. Assume that 1.3 m above the ground is the reference level for zero
asked by Anonymous 
algebra
Ace car rental rents a car for $45 and .25 cents per mile. Star rental car rents a car for $35 and .30 cents per mile. How many miles would a driver need to drive before the cost of renting a car at these two places were the same?
asked by Anonymous 
Art
What is the subject of the painting Leda c. 1530 by Leonardo Da Vinci? How were lines used in this painting?Effects of the usage of lines in this painting?
asked by mstv 
Geometry
The secondlargest state in the US is Texas, covering 268,580 square miles (including water). What is the approximate radius of a sphere with the same surface area as the area of Texas?
asked by felix 
MATH HELP asap PLEASE
A plane is steering at S83degreesE at an airspeed of 550 km/h. the wind is from N70degreesE at 85 km/h. Determine the ground velocity of plane to one decimal. Use the cosine and sine law.
asked by Tina 
matlab
Find the maximum and minimum values of f( x,y)=2x^3+xy^2+5x^2+y^2
asked by Anonymous 
math
chemistry experiment needed 12.45 grams of chemical to produce one liter of a gas. If Zoe wanted 24 liters of gas, how many kilograms of the chemical will she need?
asked by shantelle 
chemistry
Hemoglobin is the oxygen carrying molecule of red bloods and contains 4 atoms of iron per molecule of hemoglobin. A sample of hemoglobin weighing 13.4 g contains 45.6 mg iron. What is the molecular mass of hemoglobin? I'm unsure of where to begin with this
asked by Sierra 
Please Help asap for math
Given the following: vector u= [2,1,2] and vector v=[1,1,4] and vector w= [4,3,2] find: a)theta, the angle between vectors, u and w. b)Are the vectors, u, v, and w coplanar?Show your answer algebraically.
asked by Tina 
Math
A) P is approximately (0.883, 0.469), is a point on the unit circle with angle 28 degrees estimate the following. Sin 152 degrees = Cos 152 degrees = please help me step by step
asked by Claire 
Secondary Math
Fill in the empty spaces to complete the puzzle. In any row, the two left spaces should multiply to equal the righthand space. In any column, the two top spaces should multiply to equal the bottom space. ________  3  ___________ 3  5x+1 15x+3
asked by Rose Nicol 
math Help!!!!!!
What is the distance between points A and E? Point A is in quadrant 1 and is on 3,4 Point B is in quadrnt 2 and is on 0,1 A. 2.8 B. 3.2 C. 4.9 D. 5.7 Is the answer A?
asked by help!! me 
Art
In the painting of Adoration of the Sheperds by Nicolaes Maes how has the artist used value in this painting? a. the background is lighter than the foreground to draw the viewer's eye.
asked by Girl Friday 
math Help!!!!!!
What is the distance between points D and F? Point D is located in quadrant 1 and is on 0,2 Point F is located in quadrant 3 and is on 3,2 A. 5.4 B. 4.2 C. 3.7 D. 2.6 Is the answer C? Thanks
asked by help!! me 
Algebra/math 117
sequence an = 6n, starting with n = 1.
asked by Amy Pierre 
Science
Benzoic acid sodium hydroxide
asked by Benzoic acid sodium hydroxide 
s.s
what did the second continental congress create to handle the British?
asked by edu 
Art
In the painting Woman with a ParosolMadame Monet and Her Son by Claude Monet the artist successfully did all of the following in this image except a. use cool colors to capture the mood b. use proportion to draw the figures correctly c. use appropriate
asked by Girl Friday 
Math
15.05 ______ 21.5
asked by president of the UNSIAS 
pyhsics
A man drops a rock off the side of a cliff, and hears it hit the bottom 2.8 seconds later. If the average speed of sound is 335 m/s, how high is the cliff? I have been able to figure out this much, but I don't know how to solve the problem with the data
asked by JJ 
math please help
Suppose that ice cream consumption per person at parties is normally distributed with a mean of 0.39 gallons, and a standard deviation of 0.26 gallons. If you are throwing a party with 33 guests, how much ice cream do you need to buy to make sure that the
asked by tommy 
.
Traveling at a speed of 19.5 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.740. What is the speed of the automobile after 1.21 s have elapsed?
asked by river pond 
science
Can anyone help me out fill in the blanks. Here are the words that will complete the whole thing: birth body control development eggs endocrine glands growth hormones milk production sperm uterus contractions The pituitary gland secretes______
asked by lyka 
fraction problem pecentage
what percent more than 25 is 35? Express your answer with a percent. Teach me how to do this. Teach me teach me how to do this.
asked by Skywaimasika 
math Help!!!!!!
What is the distance between Nicholas's school and the post office? Nicholas's school is in quadrant 1 and is on 3,2 Nicholas's post office is in quadrant 3 and is on 2,2 A. 6.4 B. 5.2 C. 3.6 D. 3.0 Is the answer C? Thanks
asked by help!! me 
PreCalc/Trig...
Help me please Standard form: y=x^22x3 Vertex form: ??? Intercept form: ???
asked by Anonymous 
Math
Interest is a concept familiar to most people: every credit card in existence has a term called annual percentage rate (APR), which is an interest rate. Suppose you charged $1,000 to a credit card that has a minimum payment each month equal to the interest
asked by Anonymous 
Math, Trig/Pre Calc
You have been asked to build a ramp for Dan’s Daredevil Motorcycle Jump. The dimensions you are given are indicated below. Find the height and incline in feet. Round to the nearest foot One side is 200 ft.The angle between the hypotenuse and the side of
asked by Sarah Blanchard 
Algebra
You have been hired by a cell phone company to create two rate plans for customers, one that benefits customers with high usage. The cell phone rates may compare usage of minutes or usage of text messaging. At 500 minutes or 200 text messages, both plans
asked by Kat 
science
a horticultural wants a plant that produces flowers with a certain size color and fragrance but it now aware of any one plant having all of these traits. the quickest way she could achieve her goal would be to apply the process of_____________
asked by Anonymous 
SS
How many airlines are owned by USAbased companies?
asked by Anonymous 
To Girl Friday and Makenzie
DO NOT treat this website like a chat room, and especially DO NOT post personal information, including phone numbers, here.
asked by Writeacher 
math Help!!!!!!
If Nicholas is located at (3,2), what is the distance to get to the grocery store? Grocery store is at quadrant 4 and is on 1,1 A. 2 B. 3 C. 4 D. 5 Is the answer B?
asked by help!! me 
again
this time its less than what pecent less than 45 is 25?
asked by Skywaimasika 
Math HELPP
After increasing the price by 15%, the price of the book becomes 45. What was the original price of the book?
asked by clerkermiss 
Finance
The present value of a $25,000 perpetuity at a 14 percent discount rate is A. 178,571 B. 285,000 C. 350,000 D. 219, 298
asked by Student5 
percentage
how to Convert 1/3 to mixed number? my teacher assinged and im confused
asked by Help? 
physics
About the years 214212 BC, the Greek philosopher and scientist Aρχιμηδηζ is said to have repelled a Roman attack with a "deathray" concave mirror, using sunlight to set the approaching fleet on fire. Assume an early morning attack from the East,
asked by Ashton 
Lera
4.2%x = 2.5 Please explain how to do this ^^ Thanks
asked by Equations 
math
Amy finished 15% of the job, Beth finished 20% of the remaining of the job, then Cathy finished 12% of the remaining of the Job. What percent is sitll not done?
asked by clerkermiss 
BRAINMATH
Hey, there is a challenge question online. So I decided to ask how to do it. If 2 is subtracted from twice a number, the result is 50. Thennn, What is the number? Thanks, Regards, BrainFreeze
asked by brain MATH 
Math
A students asks how to find the shortest path between two points A and B on two different faces which are neither the top nor the bottom of a right rectangular prism, without leaving the prism. How do you respond?
asked by StevenB 
Physics
A block of mass m = 800 g is released from rest and slides down a frictionless track of height h = 57.0 cm. At the bottom of the track the block slides freely along a horizontal table until it hits a spring attached to a heavy, immovable wall. The spring
asked by Jake 
Chemistry
There are 3.20e22 atoms of copper in the outer shell of pennies. How many grams of copper is this?
asked by Anonmouse 
math
Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost associated with each service is $35. 1. Using costbased pricing and a markup of 20%, what should the price
asked by larry 
math
What to Do: Consider the following, and then do the calculations to solve (formulas and concept explanations in the book). Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month.
asked by larry 
Math Trig
A kite flier wondered how high her kite was flying. She used a protractor to measure an angle of 40 degrees from level ground to the kite string. If she used a full 120yard spool of string, how high, in feet, was the kite? (Disregard the string sag and
asked by Randy 
physics
why is it that drivers place cement blocks and other heavy items in the trucks of their vehicles? (think of friction and normal force)
asked by William 
History Ms. Sue
Ms. Sue can you help me to understand what author is trying to argue in this paragraph. While it is true, as Linda Colley has argued, that war contributed to the development of British identity during the eighteenth century, in this case, the experience of
asked by Mohammad 
math
Tasha collected another set of data values, and used a calculator for the engine speed and horsepower data. She got an equation for the leastsquares line: ŷ = 10 + 30x. If Tasha uses this equation to predict horsepower from engine speed, the horsepower
asked by Maragret 
Civics PLEASE HELP ME!
Can anyone help me with a breakup letter for civics?? It is quite difficult for me. It is about the Declaration of Independence.
asked by Anonymous 
Biology
Compare ad contrast indirect versus direct values of biodiversity and provide two examples?
asked by David 
algebra
On the second part of her trip, Tamiko drove 21 miles less than two times as far as the first part. Let f represent the number of miles driven on the first part of her trip.Then write an algebraic expression that represents the number of miles driven on
asked by Amy 
Math
Using the Descartes Rule of Sign count the number of sign changes of f(x) and determine the number of positive real zeros. 1. f(x)=x^3+x^210x24 My answer: because the signs don't change the answer would be: "0 sign changes of f(x), which means f(x) has 0
asked by kim 
Chemistry
Assuming an element's halflife is 3.6 years. How much of 2 grams of the element would remain after 10.8 years?
asked by Chandler 
Algebra
What is the smallest integer value of c such that the function f(x)=x^2+1/x^2x+c has a domain of all real numbers? Thank you!
asked by Trish Goal 
Math
Using the Descartes Rule of Sign count the number of sign changes of f(x) and determine the number of negative real zeros. 1. f(x)=x^3+x^210x24 My answer: A few signs due change but not enough to say they changed." 0 sign changes of f(x), which means
asked by kim 
Physics
A classmate throws a 1.1kg book from a height of 1.3 m above the ground straight up into the air. The book reaches a maximum height of 4.0 m above the ground and begins to fall back. Assume that 1.3 m above the ground is the reference level for zero
asked by Anonymous 
math
what is the value of 23,565
asked by suma 
math
How would you write the expression that represents the perimeter of a rectangle measuring 9 x + 9 and 4 x  3 Would it be 26 x + 2 Any help would be appreciated. Thank You
asked by kyle 
math
Your business provides a service to local residents. Your fixed costs are $2,000 per month, and you expect 40 customers per month. The variable cost associated with each service is $35. 1. Using costbased pricing and a markup of 20%, what should the price
asked by shirley 
Math
I meant to say would it be 26 x + 12
asked by kyle 
Physics
If you are at the top of a toboggan run that is 44.3 m high, how fast will you be going at the bottom, provided you can ignore friction between the sled and the track?
asked by Anonymous 
algebra
solve this word problem. a bank offers two accounts. Their local plan charges $7 monthly service fee plus $3 for each transaction. There Anywhere plan charges $23 monthly service fee plus $1.75 per transaction. For what number of transactions per month
asked by Cheyenne 
BrainMath
Hector is 12 years old now. In 4 years he will be twice as old as his sister is then. How old will his sister be next year?
asked by brain MATH 
equations
If 5x's = 4 y's and 12 y's = 5 z's, then 30x's = how many z's?
asked by Equations 
Calc
A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm.
asked by Jocelyn 
Physics!
A car of mass 1298.7 kg is moving at a speed of 64.0 mph when it misses a curve in the road and hits a bridge piling. If the car comes to rest in 0.234 s, how much average power (in watts) is expended in this interval?
asked by Anonymous 
physics
To push a 16 kg crate up a frictionless incline, angled at 32° to the horizontal, a worker exerts a force of 108.0 N, parallel to the incline. As the crate slides 1.50 m, how much work is done on the crate by the worker's applied force?
asked by Abby 
college algebra
There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop publishing jobs in 2010. (a) Using the BLS data, find the number of desktop publishing jobs as a linear function of the year.
asked by Cathy 
Physics!
A spring with a spring constant of 224.3 N/m is compressed by 0.253 m. Then a steel ball bearing of mass 0.0433 kg is put against the end of the spring, and the spring is released. What is the speed of the ball bearing right after it loses contact with the
asked by Anonymous 
Last BrainMath :(
How many whole numbers from 99 to 131 contain the digit 1 exactly once?
asked by brain MATH 
pre algebra
A ladder is leaning against a house. The distance between the base of the ladder to the house is 3 feet. The length of the ladder is 10 feet. In feet, how far above the ground does the ladder touch the house? 4.2 9.5 10.4 14.1
asked by Keli 
physics
A small pumpkin of mass 2.22 kg is dropped from rest from a height of 2.87 m. The pumpkin rebounds from the ground to a height of 1.12 m. a. With what speed does the pumpkin hit the ground? b. With what speed does the pumpkin leave the ground? c. What
asked by David 
Algebra
What is the range of the function r(x)=1/(1x)^2? Express your answer in interval notation. Thank you!
asked by Trish Goal 
algebra
A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees Fahrenheit) of the pottery after it is removed from the kiln for various times (in minutes) is shown in the following table. Time, min
asked by Cathy 
geometry
Find the approximate surfaceareatovolume ratio of the Moon. The radius of the Moon is 1,080 miles
asked by victoria 
math
.4(6) = as a simplified fraction? is it possible? if so, can you tell me how?
asked by Rella 
Physics
A father pulls his son, whose mass is 27.3 kg and who is sitting on a swing with ropes of length 2.85 m, backward until the ropes make an angle of 36.8° with respect to the vertical. He then releases his son from rest. What is the speed of the son at the
asked by Anonymous 
Calculus
Given x^2+y^2=4, find the equation of the tangent line at the point (1,sq.rt.3). Then, at what point is the slope 0? What point is the slope 1? I have no clue what to do!
asked by Matilda 
algebra
The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of acrefeet (af) of water per day that evaporate from the reservoir for various temperatures in degrees Fahrenheit. Temperature,
asked by Cathy 
Chinese
what to say egg and my favorite in chinese please replay me fast
asked by aparna 
Pre Algebra
a wire is stretched from the top of a 26foot pole to a point on the ground that is 15 feet from the bottom of the pole. Approximately how long is the wire in feet? 16 21 30 37
asked by Maddox 
algebra
A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance. (a) Find a linear function that expresses the total cost C of owning the truck after t days. C(t) = (b) The truck rents for $55.00 a day.
asked by Cathy 
chemistry
You need 2.5 moles of aluminum for an experiment. How many atoms of aluminum is this?
asked by Anonymous 
college algebra
A line has the equation y = 5x + 4.(a) This line has slope of ___________? (b) Any line parallel to this line has slope _________? (c) Any line perpendicular to this line has slope _______?
asked by Cathy 
algebra
The slope of a horizontal line is 0. The equation of the horizontal line passing through (4,5) is ________?
asked by Cathy 
physics
Due to friction with the Earth's atmosphere, a large static electric charge could build up on our plummeting asteroid fragment. Would you expect our fragment to generate a magnetic field? Explain why or why not.
asked by sally 
algebra
The slope of a vertical line is _________? The equation of the vertical line passing through (4, 5) is ________?
asked by Cathy 
Algebra
(2a  b)^3 = 8a^3  8a^2b + 4ab^2  b^3?
asked by Anonymous 
Math
Yes, it's me again! How would you write the expression that represents the perimeter of a rectangle measuring 4 x  4 + 7 x + 1 Would it be 4 + 1 =  5
asked by Kyle 
Physic
A racing car starting from a standstill can reach a speed of 320 km/h in 6.50 s by exerting an average horizontal force of 1.52 x 10^4N [s] on the pavement. If friction equals 5.2 x 10^3 N, what is the mass of the car?
asked by Lauren 
Physics
A mouse sits on a turntable 14.8 cm from the center. The coefficient of static friction is 0.49. The angular velocity increases steadily from zero. At what angular velocity does the mouse begin to slide? I believe that the max frictional force can be is
asked by Neil 
statistics
A health psychologist, who is interested in childhood obesity, thinks that there may be a relationship between daily television viewing and eating habits. Data is collected from 500 children; for each child, information is collected on the number of hours
asked by matt 
algebra
The slope of a horizontal line is 1. The equation of the horizontal line passing through (4, 5)is _______?
asked by Bob 
Need Help asap for math!
A plane is steering at S83degreesE at an air speed of 550 km/h. The wind is from N70degreesE at 85km/h. Find the ground velocity of the plane to 1 decimal space.
asked by Tina 
statistics
A professor is interested in determining whether assigning mandatory homework affects students’ grades. He is currently teaching two sections of the same class; in one class, he assigns mandatory homework problems, while in the second class, he just
asked by matt 
scince
What could be some effects of population growth, natural disease ,and advanced technology systems on resource availability
asked by Edu 
Geography
How to finish a sentence?.I think this represents globalisation because.....Thank you for any advice.
asked by Damian 
calculus
A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm
asked by Jocelyn 
Chemistry
the solubility of aluminum sulfate in water at 20 degrees celcius is 26.7 g/100mL Calculate the molarity?
asked by Gina 
scince
What are some advantage and disadvantage of using renewable resources in place of nonrenewable resources?
asked by carina 
Math
Want to make a dog run. Have 199.4 feet of fencing and the garage is 19.2 feet wide. How long will the run be?
asked by KD 
algebra
Compute the domain of the realvalued function f(x)=qsrt(1sqrt(2x)). Thank you!
asked by Trish Goal 
Theories and issues in working with schoolage chi
_______ proposed that much of a child's learning comes from modeling the behavior of others. A. Howard Gardner B. Jean Piaget C. Albert Bandura D. Robert Havighurst B.
asked by Amanda 
science
How are Newton’s second and third laws of motion important to your everyday life?
asked by jared 
scince
list as many nonrenewable resources as you can find in your classroom
asked by river song 
math
in the given figure, lm. then the value of x is
asked by lakshmi 
Theories and issues in working with schoolage chi
Voters have been historically unwilling to underwrite a schoolage child care system because A. recently immigrated families had more extended support and could take care of their children themselves. B. they believed that child care was the responsibility
asked by Amanda 
Physics
as you are riding in a 1650kg car, you approach a hairpin curve in the road whose radius is 50m. the roadbed is banked inward at anangle of 10 degrees. suppose that the road is dry and that the static friction coefficient between the tires and the asphalt
asked by Tim 
Math
Sara wants to put new carpet. She needs 20 square feet. the carpet was $4.00 a square foot. She got it for half price. What was the new cost of the carpeting? And the total?
asked by Lynn 
people
Which of the following conclusions is supported by the results of these studies
asked by Anonymous 
mechanics
a sledge of mass 25kg is pulled along a smooth frozen lake by a rope which is pulled at an angle of 30 degrees to the horizontal.if the sledge accelerates at 1.5 metres per second, find the tension.
asked by nancy 
chemistry
What would be the MOLARITY (M) of the NaBr in the same buffer solution, if its concentration is now 0.9% (w/v)? Relative atomic masses:Na = 23; Br = 80
asked by aisha 
math
is this correct 3*10^6 3*1000000 3000000
asked by edu 
College physics
When a 0.15 kg baseball is hit, it approaches the bat with a speed of 20 m/s and undergoes an elastic collision. (a) What is the impulse delivered to the bat by the ball? (b) If the baseball is in contact with the bat for 1.3 ms, what is the average force
asked by Jeffrey 
Theories and issues in working with schoolage chi
According to the National Center for Educational Statistics, which of the following is a false statement? A. Boys are more likely than girls to fail or drop out of school. B. When it comes to grades and homework, boys outperform girls in elementary,
asked by Amanda 
Algebra
Find the greatest integer value of b for which the expression 9x^2+4x^2+11x+7/x^2+bx+8 has a domain for all real numbers? Thank you!
asked by Trish Goal 
Math
5x^210x+d=0 Determine an integer value for d such that the equation has rational, non zero roots Please show me the steps and how to answer this question :) thanks:)
asked by Sarah 
applied maths
find the value of b such that u=(2,4,2) ¡ì v=(b,b^2,1) are orthogonals.
asked by mintesnot 
Physical Science
Consider lead, in what state will it be at each of the following temperatures? a) 4000 degrees Celsius, b) 40 degrees Celsius, c) 400 degrees Celsius, d) 327 degrees Celsius.
asked by Bonni 
Math
x/9 4= 5/18
asked by Lucas 
Physics
A 2.10 kg frictionless block is attached to an ideal spring with force constant 315N/m . Initially the block has velocity 3.75m/s and displacement 0.270m . Find (a) the amplitude of the motion. (b) the maximum acceleration of the block. (c) the maximum
asked by chiongo 
math
I have 21 children in my class total. 6 of them are boys and 15 of them are girls. What is the percentage of males in the class
asked by Anonymous 
ENGLISH 9 Clauses
I need to tell if these sentences are Nonessential or Essential adjective clauses. 1.May gave the key to her mother who opened the door.....I have nonessential and placed comma after mother. 2.A man who lived in this town sailed his little boat across the
asked by Sweet Pea 
Math Trig
I'll do my best to describe this problem. Given A=17 degrees, B=73 degrees , x=q, y=5 and z=r use the figure to find the exact value of q and r x = base y = leg z = hypotenuse a = angle between z and x b = angle between z and y 90 degree angle = between x
asked by Stanley 
Physics
What are the products (either vector or scalar for each answer) of: a) scalar x scalar b) scalar x vector c) vector x vector A simple concept, but I want to be sure I get it right! Thanks for any help :)
asked by Amy 
Math
You have been asked to build a ramp for Dan’s Daredevil Motorcycle Jump. The dimensions you are given are indicated below. Find the height and incline in feet. Round to the nearest foot One side is 200 ft.The angle between the hypotenuse and the side of
asked by Marley 
chemistry
A compound contains 14.5 g of magnesium and 3.5 g of oxygen. What is the mass percent of oxygen in the compound?
asked by jay 
Calc
A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm. I'm not sure what formulas to use, SA and/or Volume. And im
asked by Andie 
Algebra 1
Given: x + 2y = 6. Solve for y.
asked by Casey 
ALGEBRA
Problem : If y = $99.50 when x = 5, find y when x = 3.
asked by JABREL 
Physics
In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 36.6 m/s in a time of 8.22 s. The mass of the car and riders is 3.94 × 103 kg. Find the average net force exerted on the car and
asked by Student A 
Art
In the painting The Bridge at Argenteuil by Claude Monet how did the artist create interesting textures in this image? a. by experimenting with various brushstrokes b. by using only one color c. by concentrating on negative space d. by using no change
asked by Girl Friday 
History
In the postReconstruction South, what was the Confederate battle flag intended to symbolize?
asked by TAMUC Student 
statistics
the marks of 100 students in an examination are normally distributed with mean of 25 marks and a standard deviation of 10 marks. Given that the pass mark is 20, estimate the number of students who passed the examination.
asked by Mere 
Art
In the painting Reclining Old Man by Georges Lallemant how did the artist most likely create this drawing? a. by doing no previouw figure drawing b.by investigating various poses of the human body c.by choosing to stay with typical poses d.by using no
asked by Girl Friday 
s.s
As a result of the First Continental Congress, a. the Declaration of Rights was drafted. b. King George agreed to comply with the majority of the colonists’ demands. c. colonists agreed to comply with the majority of British rules. Is it A
asked by edu 
Art
In the painting of A View of Muhlendamn by Johann Friedrich Stock which of the following elements and principles are not shown is this art piece? A.line and texture b.proportion in many areas c.geometric shape d.radial balance Is the answer D?
asked by Girl Friday 
History
By 1992, historical accounts of Columbus’s “discovery” of America differed markedly from those written in 1892, although few “new” facts about Columbus had been unearthed. Explain at least three changes in perspective that led to historians’
asked by History 
statistics
Researchers investigated the effects of encoding conditions on subsequent memory for a list of words. Participants were assigned to one of three encoding conditions: 1) saw list of nouns they were asked to remember (word alone condition), 2) list of words
asked by matt 
Physics
In the figure, a 52 kg rock climber is climbing a “chimney” between two rock slabs. The coefficient of static friction between her shoes and the rock is 1.20; between her back and the rock it is 0.707. She has reduced her push against the rock until
asked by Anja