Questions Asked on
October 3, 2012

Physics PLEASE HELP
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. Repeat the problem for the case where the coefficient of kinetic
asked by Phil 
physics
1. A certain projectile is launched with an initial speed v0. At its highest point its speed is v0/6. What was the launch angle? 2. The "hang time" of a punt is measured to be 3.50 s. If the ball was kicked at an angle of 61.0° above the horizontal and
asked by Franklin 
Math  PLease help!
Fiveeights of Jesse Black's inventory was destroyed by fire. He sold the remaining part, which was slightly damaged, for onethird of its value and received $1300. a)What was the value of the destroyed part of the inventory? b)What was the value of the
asked by Jessica 
english 4
The two waiters exchanged a look whose meaning was clear to me. what type of clause or phase is used?
asked by Robert 
physics
A particle has an acceleration of +6.24 m/s2 for 0.300 s. At the end of this time the particle's velocity is +9.81 m/s. What was the particle's initial velocity?
asked by Anonymous 
thermodynamics
if 100ft^3 of atmospheric air at zero fahrenheit temperature are compressed to a volume of 1 ft^3 at a temperature of 200 degree fahrenheit, what will be the pressure of the air in psi?
asked by 111111 
Physics
An automobile tire is rated to last for 50000 miles. To an order of magnitude, through how many revolutions will it turn over its lifetime?
asked by Anonymous 
Physics
On your wedding day you leave for the church 28 minutes before the ceremony is to begin, which should be plenty of time since the church is only 10.0 miles away. On the way, however, you have to make an unanticipated stop for construction work on the road.
asked by Anonymous 
Physics
The speed of a bobsled is increasing because it has an acceleration of 2.4 m/s2. At a given instant in time, the forces resisting the motion, including kinetic friction and air resistance, total 450 N. The mass of the bobsled and its riders is 235 kg. (a)
asked by Donald 
Physics
An electron is a subatomic particle (m = 9.11 1031 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.16 105 m/s to a final velocity of +2.23 106 m/s while traveling a distance of
asked by Anonymous 
English 4
What is the conceit in "There is a Garden in her Face"? a. The women's face is compared to lilies and roses in a garden because of her white skin and red cheeks. (Line 2) b. The women's lips are compared to cherries because she will not allow anyone to
asked by Monica 
Chemistry
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3 + 2HCl > CaCl2 + H2O + CO2 How many grams of calcium chloride will be produced when 27.0 g of calcium carbonate are combined with 14.0 g
asked by Anonymous 
Stats
Richard has just been given a 4question multiplechoice quiz in his history class. Each question has five answers, of which only one is correct. Since Richard has not attended class recently, he doesn't know any of the answers. Assuming that Richard
asked by Collie 
physics
A cat drops from a shelf 3.9 above the floor and lands on all four feet. His legs bring him to a stop in a distance of 12 .Calculate his acceleration (assumed constant) while he is stopping, in .
asked by Anonymous 
english4
He will not allow the table to be moved. identify the Verbal in the sentence and type of verbal
asked by Robert 
Science
A hockey puck is given an initial speed of 30 m/s on a frozen pond. The puck remains on the ice and slides 130 m before coming to rest. The acceleration of gravity is 9.8 m/s^2 . What is the coefficient of friction between the puck and the ice?
asked by Daniel Tavera 
Math
Jane and kathy are playing a game of marbles. In each game the loser gives the other girl a marble. When they finished, Jane had won 15 times and Kathy had 22 more marbles than when she started. How many games did they play? The teacher has told us that 37
asked by Abbie 
science
Sediment can be directly turned into which of these types of rock? Select all that apply. A. igneous B. sedimentary C. metamorphic i think its all of them correct?
asked by ash 
physics
A tennis player moves back and forth along the baseline while waiting for her opponent to serve, producing the positionversustime graph shown in the figure. (The vertical axis is marked in increments of 1 m and the horizontal axis is marked in increments
asked by Anonymous 
Calculus
Find dy/dx by implicit differentiation. x^3  3x^2y + 2xy^2 =12 Please show me the work/steps on how to do it.
asked by Guest 
math
mr. callaway needs to purchase enough grass seed to cover a 3000 square foot lawn and a 4200 square foot lawn. if 40 ounces of grass seed will seed a 2400 square foot lawn how many ounces does he need to seed both lawns
asked by Taylor 
math
Yoga fun charges $63 starting war plus $12 per class. Yoga for all charges no starting fee and $15 per class. For how many classes will the cost be the sameat both places plz explain
asked by jr 
math
a pod of 20whales includes 3 newborn what is the ratio comparing the number of newborn total pod in three different ways
asked by Anonymous 
Physics
an athlete drops from rest from a platform 10m above the surface of a 5m deep pool. Assume that the athlete enters the water vertically and moves through the water with the constant acceleration, what is the minimum average force with water must exert on a
asked by Linda 
math
The Concord Community Park Association receives a $10,000 donation from an anonymous donor who stipulates that before using the funds to improve the park, they must invest the money until it has doubled in value. The Park Association decides to invest the
asked by bob 
Physics(class) /Math (problem)
Moe earns 15% more than her husband Joe. Together they make 78000 per year. What is Joe’s annual salary? Answer to two significant figures. My answer was $31000, but the program doesn't seem to want to take it. Did I do something wrong?
asked by Christine 
Intergated chemistry/physics
A parachute on a dragster racingcar opens and changes the speed of a car from 85 meters/second to 45 meters/second. Of this car is decelerating (slowing down) at a rate of 8.9 meters/ second, how many seconds will this take?
asked by Laura 
Chemistry
How many milliliters of an aqueous solution of 0.219 M magnesium bromide is needed to obtain 10.1 grams of the salt ?
asked by Connor 
algebra
the atmospphere normally exerts a pressure of about 15 pounds per square inch on surfaces at sea level. about how much pressure does the atmosphere exert ona surface 30 square inches in area? would it be 2pounds
asked by Maya 
math
4. Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F? a. square root of 52 b. square root of 28 c. 10 d. square root of 20 5. In which quadrant is the point (x, y) located if x is negative and
asked by Anonymous 
English 11th grade
Analyze the sentence to select the adverb clause, subordinating conjunction, and the word(s) modified in the appropriate boxes below. Please get to bed early since you have a test tomorrow.
asked by taniah 
physics
Two objects (39.0 and 21.0 kg) are connected by a massless string that passes over a massless, frictionless pulley. The pulley hangs from the ceiling. Find (a) the acceleration of the objects and (b) the tension in the string.
asked by Sally 
Chemistry
which sign of chemical reaction is not detectable by sight?
asked by shay 
English
1. What did you get for your birthday? 2. What did you get on your birthday? (Which one is right? Are both right? What is a slight difference between them?)
asked by rfvv 
math
Two investments earn a total annual income of $2825. One investment is in a 6.75% annual simple interest certificate of deposit. The other is in a 7.25% tax free annual simple interest account. The total amount invested is 40,000. Find the amount in
asked by ethan 
chemistry
What mass of NaCl is contained in 24.88g of a 15.00% by mass solution of NaCl in water? the answer is 3.73g but i don't know how to get this answer..
asked by Alaine 
Physics
During a circus performance, a 64kg human cannonball is shot out of an 17mlong cannon. If the human cannonball spends 0.99 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
asked by Donald 
physics
A jet makes a landing traveling due east with a speed of 100 m/s. If the jet comes to rest in 15.0 s, what is the magnitude and direction of its average acceleration? m/s2 due west due east
asked by Anonymous 
Physics Projectiles
Joe is analyzing a video tape of a recent world cup soccer game and made a sketch. According to the diagram what is the launch velocity of the soccer ball? The sketch shows 2 soccer players standing 17m apart. The player standing on the left kicks the ball
asked by soap 
algebra
the houston texans sell styrofoam fingers to make a profit. Profit made from styrofoam fingers sales is function of numbers sold. Which of the following is the independent quantity in this function?
asked by savannah 
AP Physics C
when a block is pulled out to x=+4.0cm, we must apply a force amgnitude 360N to hold it there. we pull the block to x=11cm and then realease it. how much work does the spring do on the block as the block moves from xi=+5.0cm to a)x=+3.0cm, b)x=3.0cm,
asked by Olivia 
physics
A crate of mass 59.3 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.357, and the coefficient of kinetic friction is 0.304. (a) The truck accelerates forward on
asked by lib 
physics
The radius of a merrygoround is 7 meters, and it takes 12 seconds to make a complete revolution. What is the speed of an atom on the outer rim?
asked by Brittney 
Trigonometry
If a stake is placed in the ground and is 20cm. high and casts a shadow 12.5 cm. long, what time is it? (The sun rises at 6 a.m. and is overhead at noon.)
asked by Chris 
PreCalculus
A homeowner has forty feet of fencing to enclose three sides of a rectangular patio. The fourth side of the patio is a side of the house, and requires no fencing. 1. Let x represent the side of the rectangle perpendicular to the house (this helps avoid
asked by Brittany Penman 
Chemistry
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to BaO2+H2SO4 > BaSO4 +H2O2 How many milliliters of 3.50 M H2SO4(aq) are needed to react completely with 12.1 g of BaO2(s)?
asked by Anonymous 
math
write all the whole number multiplication that have a product of 25
asked by mythreyee 
chemistry
decomposition of water to form elemental Hydrogen and Oxygen gas. What will be the balanced chemical equation, type of reaction and the driving force of the reaction?
asked by shay 
physics
A fighterjet is in level flight at an altitude of 400m and with a speed of 200m/s. The fighter launches a rocketpowered missile horizontally from the underside of the jet. The rocket engine provided a constant horizontal acceleration of 25.0 m/s^2. a)
asked by toor 
MATH
3(125)+8X4
asked by MYKAEL 
fd
a trapezoid abcd has parallel sides ab and dc of lengths 8 and 22. If both diagonals AC and BD are of length 17, what is the area of the trapezoid
asked by Anonymous 
math
4. Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F? a. square root of 52 b. square root of 28 c. 10 d. square root of 20 5. In which quadrant is the point (x, y) located if x is negative and
asked by Anonymous 
chemistry
What is the complete ionic equation for the double displacement reaction: CuNO3(aq) + K2S(aq)= what is the chemical name and formula of this chemical reaction? plsss. need help
asked by shay 
General Chemistry
Change these word equations into formula equations and balance them. Be sure to use the proper symbols to indicate the state of each substance as given. (a) Magnesium metal is placed into hydrobromic acid solution, forming hydrogen gas and aqueous
asked by Anonymous 
math
which alphabet letters are concave polygons
asked by sean 
english4
what type of clause or phrase is used in the sentence: we hit a snag while rowing to shore
asked by Robert 
History
How does Thomas Paine characterize the relationship between Great Britain and the American colonies?
asked by Anonymous 
math
100121/2=
asked by marta 
Chemistry
a student conducts and experiment by reacting 39.6g CuSO4 with an excess of MgS. The reaction yields 9.5599g CuS. What is the percentage yield? MgS+CuSO4=CuS+MgSO4
asked by Amanda 
Intergated chemistry/physics
The Lamborghini Diablo sports car can accelerate from 0 kilometers/hour to 99.2 kilometers/hour in 4.0 seconds. What is the acceleration of this car in kilometers/hour^2. (hint: you must convert 4.0 seconds before putting it into the equation.)
asked by Laura 
Discrete math
There are eighteen guard posts. How many ways can 25 not indistinguishable (That is, they are distinguishable.)guards be distributed to the guard posts, so that no post is empty? Try  (25 choose 18) ??
asked by Genie_math 
Math
A company's employee compensation expense for August, consisting of the gross pay plus 4% vacation pay based on gross pay, was $23,200. How much was the amount of vacation pay expense?
asked by Steph 
chemistry
why is a factor used to determine the equivalent dose?
asked by rachel 
Algebra
To keep his basketball team hydrated, Daniel mixes a powdered sports drink with cold water. For best taste the mix should be 96% water. If Danial has used 16 scoops of powder and added two quarts of water, how many gallons of water should he add, given
asked by James 
math
Hedi left a 15% tip of 3.75 on a meal. what was the cost of the meal before the tip?
asked by Anonymous 
precalc
I am stuck on this one problem and think it might be the teachers typo but don't want to point it out without being sure. You have to find the zeros (we use long division) of x^5+8x^3+16x but because these are all raised to odd powers they either give me
asked by ANON 
Physics
A boy sledding down a hill accelerates at 1.65 m/s2. If he started from rest, in what distance would he reach a speed of 7.30 m/s?
asked by Mel 
Physics PLEASE HELP
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. Repeat the problem for the case where the coefficient of kinetic
asked by Phil 
math
jackie is 8 years younger than her neighbor Paula. the sum of their ages is 30. how old are jackie and paula?
asked by marsha 
Physics
An elevator is moving upward at 1.03 m/s when it experiences an acceleration 0.31 m/s2 downward, over a distance of 0.73 m. What will its final velocity be?
asked by Mel 
math
when a dice is thrown randomly .What is the probability of getting 5 ??
asked by TUHITUHI 
Physics
A sailboat starts from rest and accelerates at a rate of 0.18 m/s2 over a distance of 454 m. (a) Find the magnitude of the boat's final velocity. m/s (b) Find the time it takes the boat to travel this distance. s
asked by Mel 
Math
Is it possible for the sequence t(n)=5*2n(n is superscript) to have a term with the value of 200?
asked by MIKE 
chemistry
How many moles of Fe2S3 are produced from a 0.4g piece of Fe?
asked by Kim 
math
Find the derivative of the function f by using the rules of differentiation. f(r)=4/3ðr^3
asked by Beauty 
math
three coins are tossed simultaneously ,what is the is the possible outcome of getting two head one tail ???
asked by TUHITUHI 
7th grade math help square roots
4. WeiMin makes a square quilt that has an area of 100 square feet. It has 25 square blocks, each the same size. What is the length of each side of a block? 2 feet 4 feet 6 feet 10 feet What is the value of "x" if 25^2 = x? 125 0 625 5
asked by Delilah 
7th grade math help
I need help figuring out the square roots of: 1/36 1/121 4/24
asked by Delilah 
Math
Mr. Teal orders the same business lunch for 5 people. Everyone has a salad for $5, a steak sandwich for $12, lemonade for $3 and desert for $4. He adds in a tip of $3 for each person. What is the total cost of 5 lunches?
asked by GamerGuy 
Projectiles (Physics)
Joe is analyzing a video tape of a recent world cup soccer game and made a sketch. According to the diagram what is the launch velocity of the soccer ball? The sketch shows 2 soccer players standing 17m apart. The player standing on the left kicks the ball
asked by Soph 
physics
A car accelerates at a constant rate of 3.42 m/s2 from rest at the beginning of a freeway entrance ramp. At the end of the ramp the car has a speed of 25.49 m/s. How long is the ramp?
asked by dr. burgess 
math
two coins are thrown at random .what is the probability of getting a a head and tails in three pros ??
asked by TUHITUHI 
spanish
what is a word in spanish that starts with a t the means like muy muy muy(very)
asked by rebekah 
statistics
Speeds for a randomly selected sample of n = 36 vehicles will be recorded. Determine the values that fill in the blanks in the following sentence. For samples of n = 36 vehicles, there is about a 95% chance that the mean vehicle speed will be between ___
asked by margie wilcox 
geometry
Points A, B, and C are collinear, and C is between A and B. If AB=8x4, BC=x+2, and AC=x^2, find the values of x.
asked by myra 
english
how would you divide the following verse of scripture: "For I have not shunned to declare unto you all the counsel of God." like this: For I have not shunned to declare unto you all / the counsel of God. or For I have not shunned to declare unto you / all
asked by daniel 
science
how many days would it take to drive from the earth to the moon at a speed of 75 miles per hour? the average distance from the earth to the moon is 380,000km. 1 km=0.62 miles
asked by emma 
analytic geometry
how to convert the small rotation of axes into capital rotation of axes?
asked by shah 
science
how many days would it take to fly to Jupiter (from Earth) in a space shuttle at 45,000 miles per hour? The minimum distance between the Earth and Jupiter is 365 million miles.
asked by emma 
English
List the compound nouns in this sentence. Philo T. Farnsworth was the first American inventor to use television technology. The answers were Philo T Farnsworth, American inventor, and television technology. Can a proper noun also be a compound noun?
asked by Lindsay 
science
how does a change in wavelength affect the speed of a photon.
asked by emma 
math
Using these integers:1,+6,8,+3,2 a) Which integers have the greatest product? Show your work. b) Which two integers have the least product? Show your work. Please help I don't understand how to figure this out thank you
asked by Cherie 
Math
Solve by using the substitution method. (Please keep fractions as they are, don't convert to decimal.) y= 1/7x + 3 x  7y= 4
asked by Neil 
Physics 1
Two small particles of mass 16 kg and 27 kg are a distance 1.4 m apart. What is the gravitational force of one of these particles on the other?_____N
asked by John 
science
what is external fertilisation
asked by ronaldo231 
Physics 1
Find the ratio of your weight on the Earth to your weight on the surface of the Earth's Moon. WEarth/WEarth's Moon=
asked by John 
Equivalent Fractions
1/2=5/10? 3/4=12/16? 7/8=21/24? 3/7=15/35? 1/20=4/40?
asked by Jerald 
Physics 1
The region of the solar system between Mars and Jupiter contains many asteroids that orbit the Sun. Consider an asteroid in a circular orbit of radius 5.8 1011 m. Find the period of the orbit. _____s
asked by John 
Physics 1
The hard disk in a laptop computer contains a small disk that rotates at a rate of 5000 rpm. If this disk has a radius of 2.3 cm, what is the centripetal acceleration of a point at the edge of the disk?_____m/s^2
asked by John 
geometry
If P is the midpoint of RS and RS=17x8 and RP=8x+1, find the values of x and PS.
asked by myra 
Geometry
A nonregular hexagon has five exterior angle measures of 55,58,69,57,and 55. What is the measure of the interior angle adjacent to the sixth exterior angle?
asked by Donovan McCray 
geometry
If J is the midpoint of MN and JM=5x5 and JN=4x+2, find the length of MN.
asked by myra 
Chemistry
A particular oral contraceptive contains 0.041 mg of ethinyl estradiol in each pill. The formula of this compound is C20H24O2. How many moles of ethinyl estradiol are there in one pill? I need help in approaching this
asked by Jess 
Physics URGENT!!!
Two packing crates of masses 7.93 kg and 5.13 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The 5.13 kg crate lies on a smooth incline of angle 40.0°. a) Find the acceleration of the 5.13 kg crate B)Find
asked by Anonymous 
Math
Which of the following options has the highest APY: a 6.25% APR compounded yearly, a 6.2% APR compounded monthly, or a 6.1% APR compounded continuously?
asked by Rose 
Math
A residential property is assessed for tax purposes at 40% of its market value. The residential property tax is 3 1/3% of the assessed value and the tax is $1200. a)What is the assessed value of the property? b) What is the market value of the property?
asked by Anonymous 
Algebra
In a lab experiement, there is a culture that contains 25 bacteria at 2:00. At 2:15 there are 50 bacteria, At 3:15 there are 800 bacteria. What is the conjecture about the rate at which the bacteria increase?
asked by Carol 
chemistry
Is there a gas formed if you heat a sugar? What will be its identity
asked by shay 
Algebra
Sandy purchases an entertainment center that has an opening measuring 42 inches by 20.5 inches. If widescreen televisions (16.9 aspect ratio) are on sale at the local electronics center, what is the maximum screen size that Sandy should purchase, assuming
asked by Jessica 
Intergated chemistry/physics
If you were in a car traveling 50 miles/hours, how many miles could you travel if you continued for 15 hours without stopping?
asked by Laura 
Algebra
A bean sprout grows 3 inches in its first week, 2 inches in its second week, and 1.333 inches in its third week. If the sprout's growth follows this pattern, how much will the bean sprout have grown in its fourth week?
asked by George 
math
When you do the subtraction shown on the right 4,126  2,487, you regroup 1 thousand to 10 hundreds. Does that give you 11 hundreds? Explain
asked by kate 
Math  weighted average?
I need to create some type of formula that will allow me to interpolate values at specific points in a data set. My data is something like this: I have a list of times, and there are values associated with those times like this: T Readings 1 100 103 105 2
asked by Kate 
literature
what is batik maker is all about?
asked by ruel 
physics
The Hubble Space Telescope orbits Earth 621 km above Earth's surface. What is the period of the telescope's orbit? Give answer with 5 significant figures.
asked by Katie 
world history
Can someone help me on this? What changes in the Constitution did the Federalists of New England propose?
asked by Cora 
business english
which of the following would not be considered a violation of a convention? A) Abusiness letter is hand written B) A resume is present in an electronic format. C) Clipart is included throughout a loan contract. D) An attorney's business card is printed in
asked by ashley 
physics
A ball is dropped from a height of 18.6 m. What is the velocity of the ball the instant it hits the ground?
asked by Sara 
physics
A jogger runs down the street at a rate of 1.1 m/s. She sees the finish line, and speeds up to a velocity of 3.6 m/s over 1.1 s. What is the acceleration of the jogger?
asked by Sara 
Early childhood education
Special educational services for young children with disabilities: a. Cannot be enforced through laws. b. depend on parent efforts. c. do not involve the Head Start Program. d. are rooted in federal legislation. I'm thinking D is the correct answer?
asked by Brittany 
physics
what is the acceleration due to gravity at a distance of 2 earth radii abouve earths surface?
asked by sunflowergirl 
Physics
Centrifuges are commonly used in biological laboratories for the isolation and maintenance of cell preparations. For cell separation, assume centrifugation conditions that are 1.00 x 103 rpm using an 8.16cmradius rotor. What is the radial acceleration of
asked by Liz 
Biology
Scientists observe a newly established population of sexually reproducing plants growing on the shore of a small island. An observable trait of the plant has two possible phenotypes. It is determined by a single gene, with the dominant allele having
asked by Anne 
math
22x5=0 explain
asked by jr 
math
A borrower received a 30year ARM mortgage loan for $120,000. Rate caps are 3/2/6 (first adjustment/subsequent adjustments/total over the life of the loan). The start rate was 3.50% and the loan adjusts every 12 months for the life of the mortgage. The
asked by mahagoni 
Math
There are twice as many girls as boys in the 4th grade classes at Joe's school. There are a total of 81 4th graders. How many boys and girls are there in the 4th?
asked by marsha 
chemistry
25 milliliters of tartaric acid solution is titrated against 31 milliliters of NH4OH. What is the normality of the NH4OH?
asked by Stephen 
Physics Elena please help!
Two blocks each of mass 3.38 kg are fastened to the top of an elevator as in the figure. (b) If the strings can withstand a maximum tension of 87.8 N, what maximum acceleration can the elevator have before the first string breaks?
asked by Megan 
Intergated chemistry/physics
If the elevator were falling on the moon 9800 meters/second^2, what would the force be? (hint: you will need to look up the acceleration due to gravity on the moon.)
asked by Laura 
chemistry
0.450mol of Na2S in 1.50L of solution
asked by cara 
Intergated chemistry/physics
If you were in a car travelling at 50 miles/hour, how many hours would it take to get to Miami, FL from Evansville, IN? Assume that there is no stopping on the way. Miami is 1,060 miles from Evansville.
asked by Laura 
Physics
A 1720kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 47.0 m?
asked by Donald 
history
What incident abroad marked the election day of the 1956 election, thereby enhancing Eisenhower's bid for a second term? A. The crisis in the Formosa Straits B. The French defeat in Indochina C. An attack on U.S. Marines in Beirut D. The resolution of the
asked by barbara 
Physics
Two cars drive on a straight highway. At time t = 0, car 1 passes mile marker 0 traveling due east with a speed of 22.0 m/s. At the same time, car 2 is 1.4 km east of mile marker 0 traveling at 30.0 m/s due west. Car 1 is speeding up with an acceleration
asked by Anonymous 
math
i dnt know how to do this can u8 help me
asked by nicki 
phyics
When you see a traffic light turn red, you apply the brakes until you come to a stop. Suppose your initial speed was 12.9 m/s, and you come to rest in 35.0 m. How much time does this take? Assume constant deceleration.
asked by Anonymous 
physics
When you see a traffic light turn red, you apply the brakes until you come to a stop. Suppose your initial speed was 12.9 m/s, and you come to rest in 35.0 m. How much time does this take? Assume constant deceleration.
asked by Anonymous 
social studies
read the map and answer What is the elevation level of boston Massachusetts?
asked by s 
Math
A rectangular wimming pool is 40 ft wide and 45 ft long. It is surrounded on all four sides by a wooden deck of fixed width. The total area enclosed within the perimeter of the deck is 2354 sq ft. What is the width of the deck?
asked by Jackie 
English 12
David Suzuki uses examples that include his daughters. Why do you think he does this? Support your answer by incorporating a quotation into your response.
asked by Aman 
Physics
A 200 block on a 54 long string swings in a circle on a horizontal, frictionless table at 90 A) What is the speed of the block? B) What is the tension in the string?
asked by Elizabeth 
Physics
Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 47.5 N and F2 = 34.5 N. What is the horizontal acceleration (magnitude and direction) of the block?
asked by Anonymous 
reading/language arts
what does dysfunctional mean ?
asked by GiGi 
math
how do I convert 68 degrees fahrenheit to celsius?
asked by Math Geek 
math
nearest degree to an obtuse angle
asked by jasmine 
English III Archetype
what is the archetype in the story of Ishmael? Here's my summary. Abram and Sarai were unable to have children. Sarai was barren. In order to build a family, she allowed her slave Hagar to become Abram’s wife. Abram slept with Hagar and she became
asked by Claire 
math
[2 marks] Fashion One Chain Store found that t weeks after the end of a sales promotion the volume of sales was given by S(t)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales
asked by mawadda 
Math  Need urgent help!
A residential property is assessed for tax purposes at 40% of its market value. The residential property tax is 3 1/3% of the assessed value and the tax is $1200. a)What is the assessed value of the property? b) What is the market value of the property?
asked by Anonymous 
math
[2 marks] Fashion One Chain Store found that t weeks after the end of a sales promotion the volume of sales was given by S(t)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales
asked by mawadda 
math
[2 marks] Fashion One Chain Store found that t weeks after the end of a sales promotion the volume of sales was given by S(t)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales
asked by mawadda 
Physics Elena please help!
A crate of mass 52.8 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.351, and the coefficient of kinetic friction is 0.305. (a) The truck accelerates forward on
asked by Anonymous 
math
4. Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F? a. square root of 52 b. square root of 28 c. 10 d. square root of 20 5. In which quadrant is the point (x, y) located if x is negative and
asked by j 
Physics
When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 914 N and the drag force has a magnitude of 1120 N.
asked by Donald 
Chemistry
determine the volume of 45mM ethanol needed to make 1700 microliters that has a final ethanol concentration of 26.5mM?
asked by Cris 
Science
(1)Suppose a lava flow was found between two sedimentary rock layers. How could you use the lava flow to learn about the ages of the sedimentary rock layers?
asked by Raven 
lit
in "A Pair of Silk Stockings" the silk stockings are a symbol of what?
asked by fred 
Physics
Airplane flight recorders must be able to survive catastrophic crashes. Therefore, they are typically encased in crashresistant steel or titanium boxes that are subjected to rigorous testing. One of the tests is an impact shock test, in which the box must
asked by Donald 
Chemistry
A solution of the primary standard potassium hydrogen phthalate, KHC8H4O4, was prepared by dissolving 0.4877 g of potassium hydrogen phthalate in about 50 mL of water. Titration with a KOH solution required 36.21 mL to reach a phenolphthalein end point.
asked by amanda1012 
Physics
A 607kg elevator starts from rest and moves upward for 4.40 s with constant acceleration until it reaches its cruising speed, 1.73 m/s. (a) What is the average power of the elevator motor during this period? . (b) How does this amount of power compare
asked by KK 
math
a 45 inch rope is cut into 3 pieces. the first piece of rope is 3 inches longer than the other pieces of rope. what is the length of the longest piece of rope.
asked by Arthur 
math
How much is 5% simple interest on $100,000 from June 6 2009 until Oct 1 2012?
asked by charlotte 
7th grade math help asap please
1. 1/9 + (5/7) = ? 2. 11/12 + (2/3) = ? 3. What is the difference between an irrational number and an integer? 21. A length of ribbon is three and onehalf yd long. How many pieces one and fiveninths yd long can Joy cut from the length of ribbon? (1
asked by Delilah 
physics
A 301kg boat is sailing 16.5° north of east at a speed of 2.08 m/s. Thirty seconds later, it is sailing 37.2° north of east at a speed of 3.60 m/s. During this time, three forces act on the boat: a 32.7N force directed 16.5° north of east (due to an
asked by Anonymous 
algebra
Which linear equation represents the statement "the quotient of 17 and y is 9 less than four times x"?
asked by savannah 
Equivalent Fractions
2/5=10/25? 1/8=4/32? 6/7=36/42? 5/12=10/24? 7/10=21/30? 2/9=18/81? 3/16=9/48?
asked by Jerald 
physics
A 5.9kg rock and a 3.0 104kg pebble are held near the surface of the earth. (a) Determine the magnitude of the gravitational force exerted on each by the earth.(b) Calculate the magnitude of the acceleration of each object when released.
asked by D 
Math
Auppose f is even but g is an arbitrary function (possibly neither even nor odd). (a) Is f o g still even? Show why or why not. (b) Is g o f even? Show why or why not.
asked by xavier 
Contrast Sentence
Which sentence below shows a contrast? A) The Northeast has warm summers and cold, snowy winters. B) Unlike the Northeast, the Southeast has hot, humid summers and mild winters. C) The Southeast gets a great deal of rainfall, causing much humidity during
asked by John 
physics
Two blocks each of mass 3.34 kg are fastened to the top of an elevator as in the figure. (a) If the elevator accelerates upward at 1.31 m/s2, find the tensions T1 and T2 in the upper and lower strings. (p4.21a1), enter the answer for T2, the tension in the
asked by lib 
Economics
The Tax Reform Act of 1986 eliminated the deductibility of interest payments on consumer debt (mostly credit cards and auto loans) but maintained the deductibility of interest payments on mortgages and home equity loans. What do you think happened to the
asked by Munroe 
Physics
A bowling ball (mass = 7.2 kg, radius = 0.14 m) and a billiard ball (mass = 0.40 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?
asked by Donald 
Math
Solve the following for the indicated variable. V=Bh for h(volume of a prism)
asked by Aaron 
Math
a jet leaves the Charlotte, North Carolina, airport traveling at an average rate of 564 km/h. Another jet leaves the airport one half hour later traveling 722 km/h in the same direction. How long will the second jet take to overtake the first?
asked by Hunter 
Rotational Motion Physics Problem
A car starts from rest on a curve with a radius of 150 and accelerates at 1.2.Through what angle will the car have traveled when the magnitude of its total acceleration is 2.2 ?
asked by Amar 
Math
find the ratio of the number of cups of sugar to the number of cups of flour for 3 cups of flour and 1 2/3 cups of sugar.
asked by intesar 
statistics
Use your data to make a frequency table by age, with 7 classes, starting at age 10 with a class width of 10.
asked by Mikayla 
algebra 2
what is a good website that i could find reliable information about the polish mathematician Sierpenski: when he lived, what some of his mathematical work involved, and his connection to pascal's triangle ?
asked by SoccerStar 
math
Juan drives to work. Because of traffic conditions, he averages 22 miles per hour. He returns home averaging 32 miles per hour. The total travel time is 2 1/4 hours. Define a variable for the time Juan takes to travel to work. Write an expression for the
asked by Hunter 
Chemistry
A flask has 1.00 L of O2 (g) at STP (the amount of gas and volume are held constant, P=1 bar) and the second has 1.00 L of O2 at 100 C. What mass of O2 must release if we get the pressure to remain at 1.00 bar when it's heated to 100 C? Can someone please
asked by Kristine 
College Physics
1. A certain projectile is launched with an initial speed v0. At its highest point its speed is v0/6. What was the launch angle? 2. The "hang time" of a punt is measured to be 3.50 s. If the ball was kicked at an angle of 61.0° above the horizontal and
asked by Lizz 
CHEM
9.60 g of hydrated nickel (II) sulfate is heated to produce 5.26 g of anhydrous compound NiSO4. Calculate the number of moles of anhydrous nickel (II) sulfate. Calculate the number of moles of water lost. What is the empirical formula of the hydrate?
asked by Dee 
Physics URGENT!!!
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. The acceleration of the boxes is 1.8. Find the tension in the
asked by Anonymous 
Algebra
The width of a rectangle is 1/6 the length. If the length and the width are each increased by 4 cm, the new perimeter is 70. Find the original length and width.
asked by Jayna 
Physics URGENT!!!
A crate of mass 52.8 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.351, and the coefficient of kinetic friction is 0.305. (a) The truck accelerates forward on
asked by Anonymous 
college physics
a toy cannon fires a projectile from ground level with a speed of 15.0 m/s, at an angle of 30.0 degrees above the horizontal. a) calculate the horizontal range of projectile. R=Vi^2/g * sin 2theta = (150/9.8)*(sin(2*30.0) = 19.88m I know this part is right
asked by toor 
college physics
A fighterjet is in level flight at an altitude of 400m and with a speed of 200m/s. The fighter launches a rocketpowered missile horizontally from the underside of the jet. The rocket engine provided a constant horizontal acceleration of 25.0 m/s^2. a)
asked by toor 
Science
What is the basic unit for volume?
asked by OLIVIA 
Science
Environmental Science involves the fields of Science, economics, and politics. Take a current environmental issue, such as the Hurricane Katrina in New Orleans and examine it from the scientific, economics, and political perspective. Which perspective do
asked by Helen 
math
Mrs. rhombus has to make supply bags for a math lesson. She has 60 folders, 45 pairs of scissors, and 30 rulers. What is the greatest number of supply bags that Mrs. Rhombus can use to divide the school supplies into equal groups?
asked by nikki 
PRECALC
solve for x in the interval zero to two pi. 2 sin 4x = 1 i got 5 pi/24 and pi/ 24 but my teacher said that there should be eight solutions. what would those be and how would i find it"
asked by greeny 
AP English 11
What did transcendentalism, a subgenre of American romanticism, believe? The natural and spiritual worlds are connected. Reason separates man from the animals. The needs of society are greater than the needs of the individual. American values should align
asked by Amanduh 
Chemistry
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to BaO2+H2SO4 > BaSO4 +H2O2 How many milliliters of 3.50 M H2SO4(aq) are needed to react completely with 12.1 g of BaO2(s)?
asked by Anonymous 
chemistry
what is the gas formed when baking soda is added to vinegar? complete the reaction: NaHCO3(s) + CH3COOH(aq)
asked by shay 
plaiance
what is an algebric expression for 5 less than 34
asked by kathy 
Physics
A box of mass m2 = 3.1 kg rests on a frictionless horizontal shelf and is attached by strings to boxes of masses m1 = 1.6 kg and m3 = 2.6 kg as shown below. Both pulleys are frictionless and massless. The system is released from rest. After it is released,
asked by Madi 
Science
What is the difference between overpopulation and Consumption overpopulation? What components would you find in an overall plan for sustuinability?
asked by Helen 
finance
your mortgage payment is $1,500 per month. Of this amount, insurance is %50, property taxes are $200, and interest averages about $1,100. Assuming you have other itemized deductions that already exceed your standard deduction and that you are in the 31%
asked by Anonymous 
latin
English to latin translation needed. Friends, hurry to our house now.
asked by Dee 
math
sam has 55 stamps in his collection. how many more stamps does he need to make a square number
asked by mythreyee 
physics
Ice fishing equipment weighing 3,000 N is pulled at a constant speed V = 0.5 m/s across a frozen lake by means of a horizontal rope. If the coefficient of kinetic friction is 0.05, what is the work done (in J) by the fisherman in pulling the equipment a
asked by Drew 
math
arrays and expanded algorithm at Montclair School, Oakland, CA
asked by esther 
math
the width of the scale drawing of the office is 2inches. if 1/2inches=3 feet. what is the actual width in feet of the office
asked by Taylor 
High School Math
Write an equation for the sentence below. Then solve the equation. Thirteen multiplied by h is one hundred and four. A. 13h = 104; 91 B. 104h = 13; mc0111.jpg C. mc0112.jpg; 1,352 D. 13h = 104; 8 I chose A and it;s not right could it be D
asked by Christine 
High School Math
Solve the inequality. 1/4c < 8 A. c < â€“4 B. c < 32 C. c > 32 D. c > 12 I chose C and its not right :(
asked by Brian 
math
Middle grades kids should have at least two cups of vegetables each day. So far today, Kim has had 2/3 of a cup of slised cucumbers.How much more does she need to meet the requirement?
asked by Anastasia 
High School Math
Solve the equation. 5=c/7 A. 7/5 B. Ã¢â‚¬â€œ12 C. 5/7 D. Ã¢â‚¬â€œ35 I got C but not sure how to do this
asked by Brian 
Maths
A ball bounces twothirds of the distance it falls. If it is dropped from a height of 10 meters, how far does it move before hitting the floor for the fourth time?
asked by ALI 
math
jim is 45 years old. He is 10 years older than 5 times his niece. How old is carol?
asked by Anonymous 
English
1. the baseball players lost the game because they were out of practice. (What is the opposite of 'out of practice'? Is it 'in practice'?)
asked by rfvv 
High School Math
Y over 6 > 10 and i need to solve A. y < â€“16 B. y > â€“60 C. y > 4 D. y < â€“60 I got C, but that's not right
asked by Brian 
math
show that the function f(x) = 5x^4+0.5x^2+8x+24 wherever it is defined
asked by lai 
High School Math
Simplify the expression. 3x + 3x A. 6x B. 9x C. 6xmc0041.jpg D. 6 i got B and its not right
asked by Brian 
math
what each ratio means out of drove of 18 cattle 5 are brown 6 are white and 7are tan write 3 different ratio for this group
asked by tashawn 
math
the frame for a shipping crate is to be constructed from 24 feet of 2 by 2 lumber. if the crate is to have square ends of side x feet, express the outer volume V as a function of x (disregard the thickness of the lumber)
asked by sarah 
7th grade Math quick help Ms. Sue
Can you check to see if tese are right? 1. What is 0.68 written as a simplified fraction? 68/100 17/25 100/68 34/25 2. Mrs. Whimsey’s class is having a pizza party. If there are 16 students and 4 pizzas cut into 8 slices, what answer choice represents
asked by Delilah 
science
in damped oscillation, the amplitude of oscillation is reduced to one fourth of its initial value. 10 cm at the end of 50 oscillations. what will be its amplitude when the oscillator completes 150 oscillations?
asked by marich 
High School Math
5(b + 8) A. 5b + 40 B. 5b + 8 C. 5b + 13 D. 8b + 40 I put D and that is not right
asked by Brian 
Math
How do you round off?
asked by Montrell 
Algebra
If Samantha and Logan can do their paper route together in 45 minutes, how many hours would it take each of them to do it alone, given that Samantha is three times as fast as Logan?
asked by Jessica 
mircobology
what is bacteria?
asked by Anonymous 
thermo
four hundred cubic centimeters of a gas at 740mm Hg absolute and 18 degree celcius a process until the pressure until the pressure becomes 760mm Hg absolute and the temperature o degree celcius. what is the final volume of the gas
asked by 111111 
Physics
A car leaves a city at 70 km/hr. After 15 minutes, another car follows at 80 km/h. How long will it take for the second car to reach the first, and at what distance?
asked by Luicia 
Physics
The position of a particle moves along the equation X = Vo/K (1  e^(KT)) Vo and K are constants a)determine the total distance that the particle moves b) Show that the aceleration is derived from the velocity c) Reason how it could take an infinite
asked by Lucia 
math
how do I convert 68 degrees fahrenheit into celsius?
asked by Math Geek 
Chemistry
How many atoms are present in 1.25g of molecular hydrogen? I know the way to do it..but for molar mass, would it be 2.02g or 1.00g?
asked by Mae 
accounting
BLT produces plastic that is used for injection molding applications such as gears for small motors. In 2012, the first year of operations, BLT produced 6,492 tons of plastic and sold 5,410 tons. In 2013, the production and sales results were exactly
asked by shanna 
Math
Solve by using the subatitution method. (Please keep fractions as they are, don't convert to decimal.) 1. y= 3x  1 2x  3y= 8 2. 1 + 3y= 10 5x + 2y= 6 3. 2x  6y= 2 x= 3y  1 4. y= 1/7x + 3 x  7y= 4
asked by Neil 
biology
6. During division in cellular reproduction, the DNA and cytoplasm of the parent cell is distributed to two A. chromosomes. B. clones. C. simplified cells. [D. daughter cells.]
asked by jake 
CHEMISTRY PH=PKA
use the dissociation constant ka=[H+][A]/[HA] to show that ph=pka
asked by jewels 
math
8+2y3+9y
asked by mimi 
Science/Biology
1. Describe a SPECIFIC EXAMPLE of how increased temperature can change cellular processes. 2. What FACTORS (can be properties of animals or the environment) determine how wide a range of temperatures a species can tolerate? Be as comprehensive as you can.
asked by Pag 
Math
Denise and David purchased a home in Dallas, Texas. In February 2003 for $250,000. They were able to make a down payment of $80,000, and borrowed the rest through a 15 year mortgage at 4.5% compounded semiannually. If they make equal monthly payments, how
asked by need help :( 
math
3/5=7/11
asked by Anonymous 
math
a water slide is in inclined at 18 degrees and is 25.6 m long.what is the acceleration and the velocity?
asked by Mike 
math
9/6=15/10
asked by Anonymous 
arithmetic
round to the nearest hundered and add the rounded numbers:385,4012,856
asked by man 
math
3/4=9/16
asked by Anonymous 
math
arnie has between 300 and 400 stickers in her collection. when she divided them into groups of 4, 5, or 9, there is always one sticker left over. how many stickers does arnie's collection contain?
asked by sean 
math
a red light winks every 6 seconds, a white one every 10 seconds, and a green one every 14 seconds. how often they wink together?
asked by sean 
math
bibay has 48 pieces of mangoes, jabby has 32 pieces, and kyla has 64 pieces. they want to put it in baskets with the same number of mangoes in each basket. what is the most number of mangoes that they can put in each basket?
asked by sean 
math
8 cards are drawn from a standard deck of cards with replacement let X=no of diamonds observed find P(X=3)
asked by virginia 
Geography(Eighth Grade)
How did Europeans feel about Columbus's first voyages to america? Were they happy because they found new land or?
asked by Christian 
physics
A 6.01kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.291. Determine the kinetic frictional force that acts on the box when the elevator is (a) stationary, (b)
asked by Sam 
Math
How do you convert celsius to fahrenheit,and fahrenheit to celsius
asked by Math Geek 
Physics Elena please help!
Two boxes of fruit on a frictionless horizontal surface are connected by a light string as in the figures below, where m1 = 15 kg and m2 = 17 kg. A force of 58 N is applied to the 17 kg box. Repeat the problem for the case where the coefficient of kinetic
asked by Anonymous 
math
a fair coin is flipped 5 times the random variable is x is defined to be the number of heads that are observed identify the probability mass function of the random variable x. x P(x)
asked by virginia 
honors chem high school
The topic is Changes in energy Level Calculations. calculate energy value for levels n=1 to n=7; given En=Rh/n2 R=2.180 x 10 18 J E=hv h=6.626 x 10 34 J.s I then need to plot them  I cannot get started.
asked by kate 
physics
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.18. Suddenly, the plane accelerates forward, its altitude remaining constant. What is
asked by Sam 
math
describe the picture you would get by graphing the solutions(if there are any!) to the equation (x+y)^2=x^2+y^2
asked by dan 
math
the inside of the book shelf is 59in high. the five shelves in it are equally spaced and each shelf is 1in thick. what is the tallest book you can put on a shelf?
asked by Anonymous 
math
Average Growth Rate(20002009)of China  GDP: 10.9 Population: 0.8 Per Capita GDP: 10.1 Ethiopia  GDP: 7.5 Population: 2.8 Per Capita GDP: 4.7 How fast does total output(GDP)have to grow in order to raise per capita GDP in Instructions: Enter your
asked by Robert 
math
Is 0.4 greater than or less than 0.40?
asked by Yog 
7th grade math  can't figure this out!
A certain computer can perform 10^5 calculations per second. How many calculations can it perform in 10 seconds? I just cannot seem to solve this problem can somebody explain how to do this step by step?
asked by Delilah 
physics
A 301kg motorcycle is accelerating up along a ramp that is inclined 30.0º above the horizontal. The propulsion force pushing the motorcycle up the ramp is 3420 N, and air resistance produces a force of 230 N that opposes the motion. Find the magnitude of
asked by jean 
Physics
Runner A is initially 3.4 km west of a flagpole and is running with a constant velocity of 5.2 km/h due east. Runner B is initially 5.6 km east of the flagpole and is running with a constant velocity of 5.0 km/h due west. What will be the distance of the
asked by Mel 
physics
A student is skateboarding down a ramp that is 8.48 m long and inclined at 16.4° with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp is 3.94 m/s. Neglect friction and find the speed at the bottom of the ramp.
asked by Sally 
math  still don't get it
How is it equal to?
asked by Yog 
Physics
With vectors a = 5.5 and b = 4.2, what are (a) the z component of a x b , (b) the z component of a x c , and (c) the z component of b x c ? The angle between a and b is 90 degrees.
asked by Sharon 
chemistry
Reacting Mg with acid solution to form Mg salt and Hydrogen gas. What are the: 1.general reaction type 2. Chemical equation include phase 3. complete ionic equation include phase 4. chemical equation for the reaction between magnesium with water
asked by shay 
Math
What is the weight or volume of solute in 5.5% NaOH solution?
asked by Cheryl 
physics
A bus slows down uniformly from 50.9 km/h (14.1 m/s) to 0 km/h in 27 s. How far does it travel before stopping?
asked by Mel 
science/math/physics
A shopper pushes a cart 41 m south down one aisle and then turns 90.0° west and moves 28 m. He then makes another 90.0° turn and moves 14 m. (a) What is the largest possible displacement of the shopper? ____m ___° counterclockwise from west
asked by Caroline 
chemistry
when two solutions are mixed and a new color is observed is this color change an indication that a chemical reaction has occurred? Explain why?
asked by shay 
english
What is bluntbomb corp
asked by marie mills 
Chemistry
Would you expect a chemical change to be always accompanied by a physical change? Explain?
asked by shay 
Math does anyone know this?
I have to state whether these equations are parallel or perpendicular y=4x+6 y4x=1
asked by sara 
Math
I really need help using the property of one to write 2 fractions that are equivalent to 5/9, 3/7 and 2/5
asked by Regina 
grammar
I have to annotate the text of Martin Luther King Jr Letter from Birmginham Jail. Look for: •Appeals (ethos, pathos, logos) •Call to actions •Structure of text •Diction •Sentence structure •Any other rhetorical device employed by King How do I
asked by Cora 
Chemistry
if there are 8.3grams of Mg used, how many moles of MgO can you expect to be produced?
asked by Samantha 
algebra
3x^2+5x2,for x=6x2
asked by Jasmn 
Math
(17+a)2=2209 what is a?
asked by Anonymous 
Physics HELP!
A crate of mass 52.8 kg is being transported on the flatbed of a pickup truck. The coefficient of static friction between the crate and the trucks flatbed is 0.351, and the coefficient of kinetic friction is 0.305. (a) The truck accelerates forward on
asked by Anonymous 
social studies
1. why did't the mound builders have to move around so much
asked by christyle 
Math
The Farmers Market sells apples by the bushel, and each bushel of apples weighs 42 lbs. A bushel of large apples contains 84 apples. If a bushel of small apples contains twice as many apples as a bushel of large apples, how many small apples are in 1 lb of
asked by Neel 
science
What is the relationship between a mineral and a rock? A.They are the exact same thing. B.A mineral is a building block of rocks. C.Minerals are only silicates while rocks are nonsilicates. D.A rock is always manmade while a mineral is naturally
asked by ash 
General Chemistry
What is the velocity of an electron ejected, if any, from a piece of metal whose work function is 2.227 x 10^19 J when a photon whose wavelength is 319 nm hits the metal in a vacuum? I know the answer is 9.372 x 10^5 m/s, but I am not entirely sure of how
asked by Emily 
7th grade fraction subtracting ms. sue help asap
10 5/18 – 8 5/6 (1 point) 2 5/9 2 13/18 1 4/9 1 11/18
asked by Delilah 
Is this right?
I have to determine the slope and y intercept of this equation then graph 4x=6y+9 so I ended up putting it in ymx+b form and it was 6y=4x+9 so slope is 4x and y intercept is 6y? How would I graph it though?
asked by kelly 
7th grade math help quick
11/12 + (2/3) = ?
asked by Delilah 
drawing
well my teacher miss whitcombe has told me to draw a hybrid creature from various parts of insects/machines can anyone help me? many thanks
asked by Natasha 
Discrete math
Total ten pair of gloves are there. If I choose five gloves at random then whats the probability that there is at least one matched pair? What is the probability that I pick at least one right glove and one left glove?
asked by Genie_math 
Algebra II Funtion
f(x)=x11 f(4) f(4)=411 f(4)=7 This is my work for this function. Is it correct? And can you help me solve the next one? f(x) =9x3  x2 + 2 ; f(2)
asked by Cora 
social
create a model of one of the following LANDFORMS OR BODIES OF WATER :PENINSULA,MESA OR PLATEAU,MONTAIN,VALLEY,VOLCANO,LAKE,RIVER,OR ISLAND
asked by Lakshmi 
math
The length of a rectangular area is 3 feet less than twice its width. The perimeter of the rectangle is 132 feet. Find the length and width of the rectangular area
asked by jamie 
Discrete math
I need to find the coefficient of x^18 y^32 in (x+y)^50. I understand that we have to use the binomial theorem. I know how to find the coefficient for example x^18 but here we have "x" as well as "y" which I have no idea about.
asked by Genie_math 
Physics
During a circus performance, a 64kg human cannonball is shot out of an 17mlong cannon. If the human cannonball spends 0.99 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
asked by Anonymous 
Martin Luther King Junior
Can I have a quick summery of why he opposed the war? I don't want to have to read the whole speech. I need some good quotes from him. I'm suppose to "discuss and analyze the rhetoric and persuasive languages used by the king." What does that mean? What am
asked by Cora 
Physics
When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 914 N and the drag force has a magnitude of 1120 N.
asked by Donald 
Physics 1
A 1720kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the horizontal net force that is required to bring the car to a halt in a distance of 47.0 m?
asked by Anonymous 
SCIENCE
CREATE ONE OF THE FOLLOWING WEATHER INSTRUMENTS:THERMOMETER,BAROMETER,ANEMOMETER,WEATHER VANE,OR RAIN GAUGE.
asked by Lakshmi 
math
Suppose that you have $12,500 to invest over a 4 year period. There are two accounts to choose from: 4.5% compounded monthly or 4.3% compounded continuously. a. Write the formula for the first account’s compound interest for n compounding per year. b.
asked by bob 
Phy I
Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 47.5 N and F2 = 34.5 N. What is the horizontal acceleration (magnitude and direction) of the block?
asked by Don 
math
a length of a rope 72 feet long is cut into two lengths the first piece is two times as long as the second piece what are the length of the two pieces
asked by Anonymous 
Gas laws and pressure
An automobile tire has a pressure of 325 kPa when the temperature is 10 degrees Celsius. If the temperature of the tire rises to 50 degrees Celsius and its volume is constant, what is the new pressure?
asked by Britani 
Physics 1
6. –/1.5 points CJ8 4.P.014. My Notes  . Question Part Points Submissions Used 1 2 –/1 –/0.5 0/7 0/1 Total –/1.5 When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky
asked by Donald 
Exceptional Children
Most early childhood professionals children’s agree that the terms inclusion and mainstreaming: A. Both refer to exceptional children’s participation in the general education curriculum. B. Mean the same thing. C. Are two different concepts. D. Both
asked by Brittany 
English
What is the difference between a complex, compound, and compoundcomplex sentence?
asked by Robin 
7th grade math Ms. Sue
I still cannot figure this one out can you please tell me... 11/12 + (2/3) = ? The answer choices are 1/4 13/12 1/6 7/12
asked by Delilah 
Intergated chemistry/physics
A car is accelerated at a rate of 2.5 meters/second^2. If the starting speed is 5.0 meters/second, how many seconds will it take the car to reach a final speed of 27.0 meters/second?
asked by Laura