Questions Asked on
January 17, 2013

physics
A pilot flies her route in two straightline segments. The displacement vector A for the first segment has a magnitude of 246 km and a direction 30.0o north of east. The displacement vector B for the second segment has a magnitude of 178 km and a direction
asked by shantel 
physics
A pilot flies her route in two straightline segments. The displacement vector A for the first segment has a magnitude of 246 km and a direction 30.0o north of east. The displacement vector B for the second segment has a magnitude of 178 km and a direction
asked by shantel 
Chemistry
On June 17, heavy rain fell on Seattle for 26 min. at a rate of 3.9 mm/hr. if the area of Seattle is 144km^2, how many gallons of water fell on the city that day?
asked by Angelina 
Math 6
Is the product of 8 x 5 1/2 40 1/2 ?
asked by Moby 
Math 6
Is the product of 8 x 5 1/2 40 1/2 ?
asked by Moby 
6th grade math
Ok it is 3b6 over (like a fraction) 2b+3 = 9 over (like a fraction) 4 help!
asked by Alleesha 
math
solve: 4x + 6y = 1/8 and 3x + 7y = 1/10
asked by dakshayini 
Chemistry
On June 17, heavy rain fell on Seattle for 26 min. at a rate of 3.9 mm/hr. if the area of Seattle is 144km^2, how many gallons of water fell on the city that day?
asked by Angelina 
physics
Consider the motion of an object along a straight path as shown in the ﬁgure. 1 0 1 2 3 4 5 6 7 8 9 b b b b b b b b time (s) velocity (m/s) Find the average acceleration during the time interval 0 s to 3 s. Answer in units of m/s 2 005 (part 2 of 6) 10.0
asked by Anonymous 
Physics
A student is standing on a railway station. A train is coming towards him. The first two carriages is passed her in 2seconds and next two is passed in 2.4 seconds. The train is uniformly decelerating. When the train stops the student is standing in front
asked by Bipu 
physics
011 (part 1 of 5) 10.0 points Two objects are connected by a string of negligible mass. The 12 kg block is placed on a smooth table top 2.4 m above the ﬂoor, and the 9 kg block hangs over the edge of the table. The 9 kg block is then released from rest
asked by Anonymous 
english
at papa's home
asked by Anonymous 
physics
A 126 kg block is released at a 6.8 m height as shown. The track is frictionless. The block travels down the track, hits a spring of force constant k = 1999 N/m. The acceleration of gravity is 9.8 m/s 2 .moreno (lm35839) – Homework 16A – smith –
asked by Anonymous 
physics
1 0 1 2 3 4 5 6 7 8 9 b b b b b b b b time (s) velocity (m/s) Find the average acceleration during the time interval 0 s to 3 s. Answer in units of m/s 2
asked by Anonymous 
physics
A car enters the freeway with a speed of 6.9 m/s and accelerates uniformly for 3.3 km in 2.8 min. How fast is the car moving after this time? Answer in units of m/s
asked by Anonymous 
Math
help please anyone? i'm having a hard time solvig these problems LOGIC CONDITIONAL PROOF. HOMEWORK HELP PLEASE!? A. 1. A > (B > C) 2. (C ^ D) > E 3. F >(D ^ E) / :. A > (B > F) B. 1. (A v B) > (C ^ D) 2. (C v D) > (E F) 3. (E F) > (G ^ H) /
asked by Moses 
physics
A robot probe drops a camera oﬀ the rim of a 291 m high cliﬀ on Mars, where the freefall acceleration is 3.7 m/s 2 . Find the velocity with which it hits the ground. Answer in units of m/s Find the time required for the camera to reach the ground.
asked by Anonymous 
physics
A rocket moves upward, starting from rest with an acceleration of 28.5 m/s 2 for 3.09 s. It runs out of fuel at the end of the 3.09 s, but does not stop. How high does it rise above the ground? Answer in units of m
asked by Anonymous 
science
are u there ms sue?
asked by Chex16 
Mechanics_physics
An argon atom has a mass of 6.64 x 10kg has 5.5 x 108J of kinetic energy. At what velocity is it moving.?
asked by Precious 
MATH
The unit's digit for the number 7^76 is____ ?
asked by Jeff 
Math
* How many different odd 3digit numbers can be formed using the digits 1,2,3,4,5 if none the numbes have repeating digits? * A bus having a seating capacity of 45 people is 80% occupied. When the bus stops one third of the people get off and 3 people get
asked by Marie 
Trigonometry
Find all values of x such that sinx+sin2x=0 and 0
asked by Amy 
Math
If sinx=1/3 where pi/2
asked by Amy 
Physics
A lead bullet travelling at 350km/s strikes a target and is brought to rest.What will be the rise in the temperature of the bullet if there is no heat loss to the surrounding (SHC of Pb is 0.13J/k/kg and melting point of pb=600.5k)
asked by Blessing 
math 1
how many integral powers of 2 are there between 2 and 2000?
asked by HELP HELP HELP MNHS 
Mechanics
What is Viscosity
asked by Precious 
Mechanics
What is Viscosity
asked by Precious 
political science
is politics an art or a science? give proper reasons for chosen side.(its an essay)
asked by jean 
Mechanics
What is Viscosity
asked by Precious 
math 2
mera painted equal sections of her bedroom wall to make a pattern. she painted 2/7 of the wall white and1/2 of the wall lavender.write an.equivalent fraction.for each using a common denominator. please help answer. thx
asked by stephie 23 
math 2
mera painted equal sections of her bedroom wall to make a pattern. she painted 2/7 of the wall white and1/2 of the wall lavender.write an.equivalent fraction.for each using a common denominator. please help answer. thx
asked by stephie 23 
math 3
adam.has a collection of movie posters. 1/3 of the posters are for comedies and 1/4 of the posters are for dramas. what is the least number of movie posters Adam could have?
asked by stephie 22 
math 3
adam.has a collection of movie posters. 1/3 of the posters are for comedies and 1/4 of the posters are for dramas. what is the least number of movie posters Adam could have?
asked by stephie 22 
Math
Find the difference of the largest and smallast numbers formed by using all the digits 0,5,6,7,8 with no digit used twice.
asked by Ishfaq 
figure
is the sun a plane figure? explain.
asked by RjhejheddJ 
quadratic equation
if one root of 3x^25x+c=0 is 2, what is the other? (with solution pls... tnx...)
asked by HELP HELP HELP MNHS 
math
the quotient of n and 5 is 4 times n find equation
asked by barb 
Math
Find x,y,z (solution set) 2x+y+32=13 x+3yz=4 23x2y+4z=11
asked by Aa 
Chemistry
What are the physical propertise of Air
asked by Emmy 
Literature
I just can't seem to figure this out. In the poem "On this wondrous sea" by Emily Dickinson, which live indicates that the speaker has encountered challenges in her life? A. On this wondrous sea B. Sailing silently c. Their anchors fast d. Where the storm
asked by Dylan 
Math
7x3y+4z=18 13x+6y+8z=30 11x9y12z=16 Find x,y,z
asked by Aa 
Plane Trigonometry
A segment of height 3 meters from the center of chord to center of arc has an arc of 1/3 radians. Find the area of the segment.
asked by Sunshine 
urgence question for physic grade 9th
A truck gradually start off from rest with a uniform. accelleration of 2m/s2 .it reaches as velocity of 16m/s. Using this equation v2 +2as .what is distance it travell while its accellerating?
asked by meer badok obany 
math
#1:Which ratios form a proportion? Use equivalent ratios to test each pair. A: 4/9, 2/3 B: 6/15, 9/12 C: 12/16, 15/20 D:18/20, 24/30 explain how o do it plsss
asked by tesj 
math
What would 350 dollars at 5 % compounded semi annually for 40 years amount to?
asked by Barbara 
Proportions
What is the solution to the proportion 3y8/12=y/5? can someone help me do this?
asked by Corie 
algebra
an investor invested a total of 1,100 in two mutual funds. One fund earned a 5% profit while the other earned a 2% profit. If the investor's total profit was 49.00 how much invested in each fund?
asked by Sandy 
consumer math
John Tucker is interested in purchasing stock. He wants to determine the costs.
asked by Darrin 
pharmaceutical chemistry
what are the conditions when cathartics are properly used?PLEASE HELP ME.
asked by ynah 
Science Help fast
A cheetah can go from a state of resting to running at 20 m/s in just 2 seconds. What is the cheetah’s average acceleration? A. 0.1 m/s2 B. 10 m/s2 C. 0.1 m/s D. 10 m/s
asked by Becka 
Science Help fast
A cheetah can go from a state of resting to running at 20 m/s in just 2 seconds. What is the cheetah’s average acceleration? A. 0.1 m/s2 B. 10 m/s2 C. 0.1 m/s D. 10 m/s
asked by Becka 
math
How much money would need to be deposited into an account earning 5.75% interest compounded annually in order for the accumulated value at the end of 25 years to be $85,000?
asked by Keysha Williams 
physics
Which is the vector quantity that describes the shortest path between two points?
asked by Anonymous 
fin/370
What information is needed in order to prepare a cash budget
asked by Anonymous 
engineering
Your friend, a 75 kg mountain climber is suspended from a cliff by a rope. Calculate the tension in the rope, in Newtons, when you lift your friend to safety. If the rope can withstand 1.25 kN of stress per square centimeter of crosssectional area, what
asked by amanda 
science
an iron box immersed in water,kerosene and coconut oil separately.does same force of buoyant force on iron box in all liquids?
asked by rose 
engineering
the pringles manufacturing company tells you that they are switching to a potato supply that has a higher moisture content than those used previously. The new supply, after being mashed an cooked, prior to drying for pringles production, now contains 70%
asked by amanda 
science
what is the natural and humanmade cause of climate change visible in the computer simulation?
asked by A 
math
Two planes left at the same time from two airports which are 4,500 miles apart and flew toward each other. In 5 hours, they passed each other. The rate of the fast plane was twice the rate of the slow plane. Find the rate of each plane.
asked by MP 
math
In Ethan’s piggybank there are nickels, dimes and quarters. There are 3 times as many quarters as nickels, and 5 more dimes than nickels. How many of each kind of coins are there? Ethan has saved a total of $3.20.
asked by MP 
music
are the instruments in the string family old?
asked by Anonymous 
social studies
Lloyd is sitting in the waiting area of a swank restaurant anticipating a dinner meeting with a new client whom he has never met. All he knows is that the new client is named Chris. When he first meets Chris, which one of the following pairs of
asked by phia 
geomtry
Which is the sum of the interior angles of an octagon?
asked by Anonymous 
Physical sciences
What is the solvent of a cup of tea in homogeneous
asked by Ngobeni risuna 
math
–2(m – 30) = –6m
asked by ft.tom 
PHYSICAL SCIENCE
TWO FORCES OF 5N AND 7N RESPECTIVELY ACT ON AN OBJECT.WHEN WILL THE RESULTANT OF THE TWO VECTORS BE AT A MAXIMUM?
asked by GOMOLEMO 
science
what is stored energy?
asked by Anhwar 
Math
Shelley wove three rugs with Seminole designs. She wrote this expression to show the total length of all three rugs she wove. (8 7/16 + 11 9/10 ) + 15 1/10 Which shows another way to write the expression , using the Associative Property of Addition?
asked by Anonymous 
American History
What, in your estimation, were the key principles of the Progressive Movement?
asked by angela 
math
having trouble deciding between mean and median for which one would best represent the data and why. The numbers are: 22, 25, 34, 35, 41, 41, 46, 46, 46, 47, 49, 54, 54, 59, 60. Thanks....
asked by Brandi 
Math
Martin came in first place in the 10 meter dash with a time of 14 7/10 seconds. Samuel came in second place with a time of 15 23/100 seconds. By how many hundredths of a second did Martin beat Samuel?
asked by Anonymous 
Expand binomial Pascal's triangle
(p+q)^9
asked by Bri 
algebra
the ratio of two integers is 9:7 their sum is 1024 fint the two integers?
asked by jessica 
tenchnology
According to the textbook, there is an infinte amoount of time that our civilization can exist based on the following? A. our civilization is based on nonrenewable resources B. Our production of nuclear weapons will lead to mass distruction C. At the
asked by debbie 
Urgent Science!!!
1. Which of the following is NOT a fossil? (1 point) outline of a fern found in a rock petrified wood in the desert baby mammoth found in a glacier old stone tools found in a cave 2. _____ is based on the idea that younger rock layers are deposited on top
asked by plz help 
Math
If your Indiana trip is 375 km, how many cm is this?
asked by Kaelyn 
Math 6
Jebb is the tallest player on the basketball team. He is 1 1/2 times as tall as the shortest girl in the sixth grade, who is 4 1/4 feet tall. How tall is Jeb? 3/2 x 17/4 = ?? IS this how I solve it? Help?
asked by Moby 
calucus
Draw the graph of y=2f(x+1)3
asked by jackie 
lang arts
1. What can you predict about the poem by previewing the title, subtitle, and first line of the poem “In Response to Executive Order 9066”? It will be a letter to the JapaneseAmerican citizens in which they are told they must leave their homes. It
asked by Anonymous 
World history; Check:P
Human Origins Assignment What were the major achievements in human history during the Old Stone Age? The major achievements during the stone age was the invention of tools. They used tools to hunt for food. They learned how to make fire. 2.How did
asked by Victoria 
physical sciences (motion in two dimensions)
John stand at the top of a 30m building. He throws a stone upwards with a speed of 5m/s. Calculate. (1)how long the stone is in the air. (2)the maxi mum height the stone reaches the ground?
asked by Lee 
Maths nd science
A ball is thrown vertically upwards.It takes 4 s for the ball to return to the thrower's hand now what is thb maximum height reached by the ball.
asked by Felicia 
nursing
500 grams of sugar occupies a volume of 0.315 L. what is the density of the sugar in g/mL?
asked by jasmin 
English
Add one suitable adverb to each of these sentences 1.sbusiso walked across the field 2.the grey horse approached the gate 3.dotor tshabalala donated a prize 4.the trainer apologised for arriving late
asked by Ntokozo 
prealgebra
evaluate V if V=5and w=4
asked by Amaya 
science
why do you thik modern cars use int
asked by Taylorion engineernal combustather than external r 
English
Things that have the same sound as January
asked by Sequoia 
Math
Lee & Lynn started out on a trip at 8:00am and arrived at 4:00 pm. The next day they started back home at 11:00am using the same exact route. If their driving speed was constant for the entire trip, at what time would they have been at the same place at
asked by Reid 
Math
Does the table represent a exponential function? x 1 2 3 4 y1 8 27 64 A.) Yes B.) No I think it's yes but not sure. Thank you.
asked by Deborah 
Math
Suppose a population of 160 crickets doubles in size every month. The function F(X)= 160 * 2^X gives the population after x months. How many crickets will there be after 2 years? A.)2,684,354,560 crickets B.)640 crickets C.)7,680 crickets D.)655,360
asked by Deborah 
social studies
what was a negative impact of "bonanza" farms
asked by esai 
Math
Suppose an investment of $2,300 doubles in value every decade. The function F(X)= 2300 * 2^X gives the value of the investment after x decades. How much is the investment worth after 2 decades? A.)$2,355,200 B.)$92,000 C.)$46,000 D.)$9,200 I think the
asked by Deborah 
Math
What is the graph of the function? y = 2 · 2x How would I graph this. I don't understand it. Thank You.
asked by Deborah 
Chemistry
Write the halfreactions for F3+ + I > F2+ + I2 and balance it.
asked by Alex 
Algebra
x+5y=13 xy=15 Solve by using process of elimination.
asked by Caitlyn 
physical science(chemistry)
Why can chemical methods not be used to determine the reaction rate at different stages of the reaction?
asked by tsakani 
Chemistry
An element crystallizes in a bodycentered cubic lattice. The edge of the unit cell is 2.77 , and the density of the crystal is 8.65 . Find the atomic weight of the element.
asked by John 
science
What are the orgin names for these abbreviation? in latin Augold agsliver sntin hgmercury pblead kpotassium wtungsten fetron
asked by tom 
math
what is the answer to 6x+4=34
asked by sam 
Physics
Two equally charged insulating balls each weigh 0.42 g and hang from a common point by identical threads 35 cm long. The balls repel each other so that the separation between their centers is 6.4 cm. What is the magnitude of the charge on each ball? I have
asked by Nicole 
Algebra
Is the series 72, 48, 32,... an arithmetic or geometric series. WHat is common difference or ratio
asked by Andrew 
PreAlgebra
To make a batch of cookies you need 3.25 cups of sugar, if you start off with 16.5 cups of sugar, how many batches of cookies can you make?
asked by Gianna 
Grammar
The surgery was performed by Dr. Jones and me / myself. A) me B) myself I answered B
asked by Marie 
college chemistry
A 0.300 g sample of an aspirin tablet is used to prepare 100.0 mL of a stock solution by dissolving the tablet in 1 M NaOH then diluting with distilled water to the 100 mL mark of a volumetric flask. A 0.30 mL sample of the stock solution is then
asked by abbie 
Grammar
1.She is a nurse with who / whom I enjoy working. A) who B) whom 2.Then 50 cc of Marcaine was / were injected. A) was B) were 3.Then 50 cc of Marcaine was / were injected. A) was B) were My answers: 1.b 2.a 3.b
asked by Marie 
chemistry
CaCO3(s)+2HCl(aq)>CaCl2(aq)+H2O(l)+CO2 (g) How many grams of calcium chloride will be produced when 31g of calcium carbonate are combined with 11 g of HCl? I have 0.3097 moles of CaCO3 and 0.30169 moles of HCl...I get stuck at that point
asked by Jana 
Algebra
What is the answer to 7x+2y=16 and 21x6y=24 using the substituion method?
asked by Yolanda 
science
Gene therapy research uses _______ to alter defective hereditary material. (1 point) bacteria cells interferons viruses 2. _____ transports materials within a cell and between cells and makes up ______ percent of most organisms. (1 point) Fat; 60 Protein;
asked by Girl 
biochemistry
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid, 0.5 L of 1.0 M sodium acetate and then adding 8 g of solid NaOH (MW = 40.0 g/mole).
asked by Dre 
math
a truck driver traveled for 3 hours at an average speed of 65 miles per hours. how far did he travel in 8 hours?
asked by darrius 
science
The enthalpy of solution of KBr in water is about +198 kJ/mol. Nevertheless, the solubility of KBr in water is relatively high. Why does the solution process occur even though it is endothermic
asked by Samantha 
sciencerepost! please help
Determine if the following substances are soluble (at room temperature, 1 atm) in water or in hexane (: grease and CS2 how do you know this
asked by Samantha 
Math
Translate this situation into a system of equations of the first degree in two variables and make sure you identify the variables clearly: Today, the difference in age between a father and his son is 23 years. Two years from now, the father's age will be
asked by Danielle 
basic chem
If a solution containing 33.82 g of mercury(II) acetate is allowed to react completely with a solution containing 9.718 g of sodium sulfate, how many grams of solid precipitate will be formed? How many grams of the reactant in excess will remain after the
asked by Caitlin 
Advanced Functions
How do I verify this identity? (I've tried a lot but it's just not working) (sin2x + sin2y) = 2sin(x+y)cos(xy)
asked by Zack 
Physics
A balloon with a mass of 90 kg is filled with helium (density = 0.179 kg/m3). The balloon is spherical and has a diameter of 11.0 m. What is the maximum mass that can be attached to the bottom of this this helium balloon, for it to be able to fly? The
asked by Alphonse 
physics
You are pushing a box up an inclined ramp. The force you exert on the box is 19·N up the ramp. The weight of the box is 100·N straight downward. The force friction exerts on the box is 8·N down the ramp. The normal force exerted on the box by the ramp
asked by wally 
physics
A 800·kg elevator is attached to a cable whose tension is 7800·N. Which of the following statements could describe the motion of the elevator? Choose all that apply. slowing down as it moves upward moving upward at constant speed speeding up as it moves
asked by wally 
Physics
Two spheres of charge q1 and q2 that are equal in magnitude (i.e. q1 = q2) are attached by a spring with a constant k = 1440kg/s2 and a rest length of x0 = 83.0cm. We take negative values of Äx for compression and positive Äx values for expansion.
asked by Phil 
Algebra
x+y+z=2 4x+5y+2=12 2x=4 solve using substitution
asked by Summer 
Physics
A block of mass m = 3.40kg and charge q = 1.50C is on an incline plane that makes an angle è = 33.0o with the horizon. An applied electric field is parallel with the incline as shown in the above diagram. What must the value of the applied electric field
asked by Tim 
Physics
A particle with mass m = 1.20g and charge q = 345ìC is traveling in the xdirection with an initial velocity of v0 = 68.0m/s. The particle passes through a constant electric field in the ydirection with magnitude E = 263N/C over a distance of d =
asked by Nick 
social studies
Did Martin Luther King Jr have to make his i Have a Dream speech
asked by aniyah 
Physics
Three concentric rings and one point charge are in the same plane as shown in the above diagram. The linear charge densities of the rings are ë1 = 2.60nC/m, ë2 = 1.10nC/m, and ë3 = 2.20nC/m with corresponding radii of r1 = 86.0cm, r2 = 64.0cm, and r3 =
asked by Nick 
math
What is 3/4 divided by 1/9. Please show and explain
asked by Anonymous 
can u help me
Which of the following statements is always true of similar polygons? (1 point) Corresponding angles of similar figures have the same measure. The lengths of corresponding sides form equivalent ratios. The lengths of corresponding sides have the same
asked by tesj 
physics
a truck travels at 90km/hr W for 10 min. then at 110 km/ hr for 38 km what was the trucks average velocity
asked by Anonymous 
Chm
What is the molarity of a saturated solution of potassium sulfate if the solubility is 13 g per 100 g H2O at 25°C? The density of the solution is 1.1 g/mL
asked by Chris 
Chemistry
If a solution containing 33.82 g of mercury(II) acetate is allowed to react completely with a solution containing 9.718 g of sodium sulfate, how many grams of solid precipitate will be formed? How many grams of the reactant in excess will remain after the
asked by Caitlin 
PLEASE HELP!
Jordan has 4/5 as many DVDs as Joseph. If Jordan has 56 DVDs, then how many does Joseph have? Explain.
asked by Bell 
math
Members of the band are required to practice twentyfive minutes every night. About how many hours does a band member practice weekly?
asked by Anonymous 
PLEASE HELP!
Elizabeth has 17/10 as many plants as Rosalie has in her garden. If Elizabeth has 51 plants, how many plants does Rosalie have in her garden? Explain.
asked by Bell 
the facility study unit
aesthe tics is concemed with matters such
asked by jo 
fractions in simplest form
13/14
asked by Enzo Barquinero 
Health
The ________the concentration of HIV in semen or genital fluids, the more likely it is that HIV will be transmitted to a sex partner?
asked by Riley 
physics
A lamp which is 9.0 cm tall is in front of a concave mirror which has a focal length of 53.0 cm. (a) How tall is the lamp's image if the lamp is a distance of 26.5 cm from the mirror (include sign if negative)? (b) How tall is the lamp's image if the lamp
asked by m 
physics
a farmhand attaches a 25 kg bale of hay to one end of a rope passing over a frictionless pulley connected to a beam in a hay barn. another farmhand then pulls down on the opposite end of the rope with a force of 227 N. ignoring the mass of thr rope what
asked by Anonymous 
statistics
There are two independent groups of students one group took online courses the second group took conventional course faceface. Using the sample data determine if there is a significant difference between the 2 groups scores.Ho(mu1mu2)=0 (no difference),
asked by Cherelle 
economics
Select a product and for that the government places a mandated price ABOVE the equilibrium price, based on your research how would this affect the market equilibrium, explain your view.
asked by judy 
Help me! Physics
A block of aluminum with a mass of 2.6 kg is at 13C and comes in contact with a hot block of copper with a mass of 10.2 kg at 93C. What is the equilibrium temperature in Celsius degrees? caluminum = 0.22 kcal/kgC ccopper = 0.093 kcal/kgC
asked by Sierra 
Math
One type of lightning bug glows every 1 1/2 seconds. How many times can it glow in 1 minute?
asked by Gabby 
posibility
a jar contains 4 pink, 11 green, 19 blue, and 6 violet what is the posibility it will not be green
asked by Anonymous 
Biology
why does water and hydrogen peroxide have different chemical and physical properties
asked by Bella 
math
the mean life of a tire is 30,000 km. the standard deviation is 2000 km. 68% of all tires will have a life between _km and _ km
asked by Antonee 
Math
Alexa is choosing a number for her new combination lock. She can use three differents digits from 0 to 9. How many arrangements are there?
asked by Luke 
Chemistry
At pressures greater than 60,000 kPa, how does the volume of a real gas compare with the volume of an ideal gas under the same conditions? A.)It is much greater. B.)It is much less. C.)There is no difference. D.)It depends on the type of gas. I think it's
asked by Deborah 
Physics
Find the magnitude of the x and y components of the following vector:  \ 35 degrees \ 52 N \ \ I also have to find out which of the components is negative in direction.
asked by Andrew 
Science
What are 6th grade examples of negative feedback mechanism?
asked by jonah 
Physics
This is for physics class. Sally applies 32 N of force at an angle of 22 degrees above the horizontal to a 12 kg crate. Ignoring friction, calculate the horizontal acceleration of the crate? Conceptual: will the acceleration of the crate increase or
asked by Andrew 
MATH HURRY PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!
xy = –12. What is the constant of variation for this relationship? A. 1/4 B. –1.2 C. –0.12 D. –12
asked by Becka 
accounting
What is the purpose of closing all temp accounts.
asked by Nana 
Math
Part 1: How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay. Part 2: View and comment on the work of at least 2 other students. Try to choose students whose
asked by Deborah 
Biology
why does water and hydrogen peroxide have different chemical and physical properties
asked by Bella 
Math 8  HELP!!!
A 5 7/8 ft section of wood was cut from 9 1/2 ft board. How much of the original board remained.
asked by Lauren 
Percents Using Proportions
I do not understand the wording and/or got stuck while I was working on the following two problems: The attendance at a family reunion was 160 people. This was 125% of last year's attendance. How many people attended the reunion last year? There are 1,295
asked by Samantha 
Please help biology
why does water and hydrogen peroxide have different chemical and physical properties
asked by Bella 
Math
Perimeter of pentagon is 9x1. Find length of missing side. Sides are 3x4; 2x+3; x+1; x5
asked by Perry 
Probability
1) A group of students were asked about their itunes collection. The probability that a student had downloaded the album by group X was 33%. The probability that a student downloaded the album by group Y was 41%. However, if you only asked the students
asked by robson 
Math
Ms. Nikkel wants to divide her class of 23 into 4 equal teams is this reasonable? Why or why not?
asked by Camila 
chem please help!
If a solution containing 33.82 g of mercury(II) acetate is allowed to react completely with a solution containing 9.718 g of sodium sulfate, how many grams of solid precipitate will be formed? How many grams of the reactant in excess will remain after the
asked by Caitlin 
Reading
1. Scan the article “The Games Kids Play” to find the name of the Iowa State University professor who believes violent games make people more aggressive. Bryce Conley Craig Anderson Eric Harris Howard Winkler
asked by Jman 
peralgebra
whats the sequence,common difference or common ratio and the next three terms of the sequence of 10,18,26,34
asked by bob 
astronomy/conversion
There are 365.25 days in a year, 24 hours in a day, 60 minutes in an hour, and 60 seconds in a minute. Convert years into seconds. Show your work and keep 5 significant figures. Ok, so finding it is easy (multiply 24, 60, 60 and 365.25) but how does the
asked by carl 
Math
Chris cuts a 3 1/2 feet long board of wood. He cuts out 4 pieces that are each 2/3 foot long. Find the combined length of the 4 pieces? Find the length of the remIng board after chris gets his 4 pieces
asked by Zach 
Spanish
Un amigo te pregunta quienes estan haciendo varios trabajos. Responde sus preguntas con frases completas. Modelo: Quien ensana una clase? La profesora esta ensenando una clase. 1. Quien te ayuda a planear un viaje? 2. Quien habla en el programa de radio?
asked by Anonymous 
Science
WHat fraction of the earth is covered in water? Forgot my science book HELp
asked by JOshua 
Science
Compare how much kinetic energy and potential energy the ball has at each point and describe why the ball has that energy
asked by Brandon 
fundamentals of math
if 3 is added to a number and this sum is doubled, the result is two more than the number. Find the number.
asked by laura 
multiplying and significant figs
Multipy and keep only the correct number of significant figures. 101.6 * 3
asked by carl 
Precal
A bicycle with 26 inch diameter wheels is traveling at 10mph, to the nearest whole number how may revolutions does each wheel make per minute?
asked by Anonymous 
Reading
3. What are the three main parts of a research report? title, body, conclusion introduction, body, sources introduction, body, conclusion introduction, evidence, conclusion
asked by Jman 
Don't get scared when you hear the word Physics!
A 1500 kg car traveling at 16.0 m/s to the south collides with a 5100 kg truck that is initially at rest at a stoplight. The car and truck stick together and move together after the collision. What is the final velocity of the twovehicle mass? Answer in
asked by Just help please. Homework due in 4 hours 
Spanish
Un amigo te pregunta quienes estan haciendo varios trabajos. Responde sus preguntas con frases completas. Modelo: Quien ensana una clase? La profesora esta ensenando una clase. 1. Quien te ayuda a planear un viaje? 2. Quien habla en el programa de radio?
asked by Anonymous 
Math 8  HELP!!!
Give an example of a rational number between 1.5 and 1.75 Ok.. I SERIOUSLY need help with this problem.
asked by Lauren 
Chemistry
I have to write the equation for the following and I am not figuring it out.I was out with flu and so lost...please help. How many moles of Hydrochloric acid are needed to dissolve 39.0 grams of aluminum Hydroxide? How many grams of precipitate will form a
asked by Lost 
Grammar
My parents and we. Is that correct?
asked by Anonymous 
Grammar
Is this correct? My parents and we are jumping.
asked by Anonymous 
please help!!
If a solution containing 33.82 g of mercury(II) acetate is allowed to react completely with a solution containing 9.718 g of sodium sulfate, how many grams of solid precipitate will be formed? How many grams of the reactant in excess will remain after the
asked by Caitlin 
math
For a temperature of 100°C, A cricket will chirp how many times
asked by Bryana 
science
if the compressor in a refrigerator stopped working, how would its failure affect the heat transfer cycle?
asked by Taylor 
math
1/2 is multiplied by a fraction and the product is 3/8. What is the fraction
asked by Anonymous 
trig/sig figs
There are 60" in 1', 60' in 1°, and 2π radians in 360°. Convert arcseconds into radians. KEep 6 significant figures. If someone could help and walk me through this process, it would be soooo appreciated!
asked by carl 
sciene
if the compressor in a refrigerator stopped working, how would its failure affect the heat transfer cycle?
asked by Taylor 
Chemistry I NEED HELP! PLEASE
How many moles of Hydrochloric acid are needed to dissolve 39.0 grams of aluminum Hydroxide? I just need to write out the equation but I was out and don't know how PLEASE HELP!
asked by Lost 
science
if the compressor in a refrigerator stopped working, how would its failure affect the heat transfer cycle?
asked by Taylor 
science
Will a plastic block that has sides that measure 9 cm and its mass is 19.2 grams float on water?
asked by eric 
Math 6
A bag of oranges weighs 5 1/4 pounds. How much does 1 1/2 bags weigh? Ok, so this is what I did : made each into improper fraction liket his. 23/4 x 3/2 = 69/8. Now, I divide 69/8 and I come up with 62 5/8 right ?
asked by Moby 
Chemistry
1. How would you take 1L of an existing solution with a concentration of 1M and use it to make a new solution of 0.1 M? Be specific. Tell me the process..... What would you do....ex: I would pour this into that ....... 2. Would it be possible to easily
asked by Anonymous 
Algebra
Find the range of the relation [(1, 4), (2,5), (3,5)]. Then determine whether the relation is a function.
asked by Megan 
Visual Basic intro to Programming
What is the difference between the If Then ElseIF clause and a Nested If Block? Please provide examples of how you would use each.
asked by Monika 
chem really need help!
If a solution containing 33.82 g of mercury(II) acetate is allowed to react completely with a solution containing 9.718 g of sodium sulfate, how many grams of solid precipitate will be formed? How many grams of the reactant in excess will remain after the
asked by Caitlin 
math help me plss
1. How do you write 0.24% as a decimal? (1 point) 0.24 0.024 0.0024 2. How do you write 135% as a decimal? (1 point) 1.35 13.5 0.135 3. How do you write % as a decimal? (1 point) 0.002 0.02 0.2
asked by tesj 
science
What can engineers do to help buildings survive in an earthquake?
asked by Joshua 
math
what is 0.0678/100
asked by dan 
Physics
Which of the following is a direct result of the equation of continuity? a. The pressure one meter below the surface of water is about 10% greater than atmospheric pressure. b. The pressure on the inlet side of a horizontal pipe through which water is
asked by Johnny 
Differential Equations
Model radioactive decay using the notation t = time (independent variable) r(t) = amount of particular radioactive isotope present at time t (dependent variable) λ = decay rate (parameter) Note that the minus sign is used so that λ > 0 a) Using this
asked by Quinn 
Math
Use a calculator to simplify the expression. 8/2^32+4.1*2 When I used the calculator, I got 22.2 So then I used "PEMDAS" but got 7.53333... But the answer is 7.2 can someone help please?
asked by Emma 
math
what is the ratio of the radius to a diameter of 2.4
asked by Tyson 
science
where do we encounter concepts of aquatic ecosystems everyday?
asked by Anonymous 
math
1. Find 30% of 70. (1 point) do you have a link or can u explain how to do this plss...
asked by sincery 
chemistry
can i mix hypochlorite powder and baking soda to make a bleach solution?
asked by jimdel 
Physics
The human heart is a mechanical pump. The aorta is a large artery that carries oxygenated blood away from the heart to various organs in the body. For an individual at rest, the blood in the aorta (of radius 1.25 cm) flows at a rate of 5*103 cm3/min (5
asked by Johnny 
Geometry
Just really quick, my friend and I disagree on this problem. I got 1997 and he got 721.033 4. A surveryor is standing on horizontal ground level with the base of a skyscraper. The angle formed by the line segment from his position to the top of the
asked by MathMat 
Computer (Hardware Support)
What types of devices use USB ports?
asked by Derek 
7th Grade Math stuffs
Compare probabilities of independent and probabilities of dependent events. Any examples???
asked by lazyburrito 
physics
At the moment car A is starting from rest and accelerating at 5.0 m/s2, car B passes it moving at a constant speed of 45m/s. How long will it take car A to catch up with car B?
asked by Marissa 
chemistry
Lab on Determining hard water Not sure if I answered this currently, not completely sure how to explain either. If a student has a nonzero blank correction, but forgets to include that correction in his/her calculations:? a. Would his/her calculated
asked by Ahmad 
algebra
Jill’s Company produces lawnmowers. It has fixed costs of $1000 per week and Variable costs of $70 per lawn mower. Express the total weekly costs C(x) as a function of the production level x.
asked by Anonymous 
math
14s1 true or false
asked by barb 
Math
John bought some stamps. He used 3/5 of then to mail letters. He had 12 stamps left. How many stamps did he use?
asked by Samantha 
Physics
A horizontal pipe, 10 cm in diameter, has a smooth reduction to a pipe 5 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, what is the flow speed of the water (in m/s) in the
asked by David P. 
math
A survey by Men’s Health magazine stated that 40% of men said they used alcohol to reduce stress. At 0.10, test the claim that a random sample of 100 men was selected and 30 said that they used alcohol to reduce stress. Use the Pvalue method.
asked by v 
Trig
A 12foot ladder reaches 9 ft 6 in up a wall. How far up would a 20foot ladder reach when placed at the same angle? Write the answer in feet with inches.
asked by Kelly 
algebra
C(x) = $70(x)  $1000 If Jill can sell her lawnmowers for $150 each, b) Find the revenue function R(x) c) Find the manufactures weekly profit function P(x) d) how many lawnmowers must the producer sell per week in order to show profit?
asked by Anonymous 
English
Patrol can be an action verb. Explain how a teacher would patrol.
asked by Hayden 
its physics.. i just want the formula
A boy on a 2.2 kg skateboard initially at rest tosses a(n) 7.7 kg jug of water in the forward direction. If the jug has a speed of 2.9 m/s relative to the ground and the boy and skateboard move in the opposite direction at 0.57 m/s, find the boy’s mass.
asked by Rah_rAh 
algebra
The weekly cost of manufacturing x telephones per week is found by a manufacturer to be C(x)= 500+20x+xsq dollars. The telephones can be sold at a price p=$80 each. a)find the manufacturers's breakeven production level(s) b)for what production levels will
asked by Anonymous 
Englis
Patrol can be an action verb. Explain how police officer can be used as patrol.
asked by Hayden 
Thank you Jiskha and Reiny
I just wanted to write a post to thank everyone who helps out. I haven't found people to be very grateful on this site so I thought i'd take a moment to tell you how awesome you guys are. Special thanks to Reiny for all the helpful math tips. You have
asked by Anonymous 
english
Is this antithesis? "...like rain, except its not raining..." "Like a radio or something, but its not a radio..." "...all very civilized, except this isn't civilization." examples taken from The Things They Carried by Tim O'Brien
asked by Kristan 
sci
why are aquatic ecosystems important to humans?
asked by Anonymous 
Math
A large factory knows that if it sells it's new gadgets for $10 each, it can sell 350 per month and if it sells the same gadgets for $8 it will sell 500 per month assuming the relationship between price and sales is linear predict the monthly sales of
asked by Emma 
algebra
Solve: C(x)=70x1000
asked by Anonymous