Questions Asked on
January 31, 2016

Math
James earns £800 a month He spends1/4 of this money on rent. James spends 2/5 of the money on food and bills. How much money has he left?
asked by Britney 
Physics
What is the likely identity of a substance (see Table 101) if a sample has a mass of 9.38 g when measured in air and an apparent mass of 8.55 g when submerged in water? A)Copper B)Iron or steel C)Aluminum D) Lead E)Concrete F)Gold
asked by Larisa 
Physïcs
A body is displaced through a certain distance x by a force of 30 newtons.if the work done is 100 joules and the displacement is in the direction of force,what is the value of x?
asked by CHIDIEBERE 
Physics
Suppose a soccer player kicks the ball from a distance 30 m toward the goal. Find the initial speed of the ball if it just passes over the goal, 2.4 m above the ground, given the initial direction to be above the horizontal.
asked by Drew 
Math
1. A spring bearing a 10pound weight has stretched 0.5 inches. If you were to increase the weight to 15 pounds, how many inches would the spring stretch?
asked by John Gomez 
Math
It takes an older pump 4 times as long to drain a certain pool as it does a newer pump. Working together, it takes the two pumps 4 hours to drain the pool. How long will it take the older pump to drain the pool working alone?
asked by Rob 
chem
Calculate the amount of heat required to raise the temperature of a 65g sample of water from 32∘C to 65∘C. (The specific heat capacity of copper is 4.184 J/g∘C.) Q=M*C*delta T 65g*4.184*(6532) 89.7 J
asked by jb 
solid mensuration
the base of a rectangular solid is 4 ft. long and 3 ft. wide. find the volume of the solid if its diagonal is square root of 41 ft. .
asked by audry 
Physics
An arrow is shot from a height of 1.5 m toward a cliff of height . It is shot with a velocity of 30 m/s at an angle of 60 deg above the horizontal. It lands on the top edge of the cliff 4.0 s later. (a) What is the height of the cliff? (b) What is the
asked by Jeff 
Physics
We study the three point charges. They are held at the corners of an equilateral triangle with ℓ = 0.7 m. What is the electric potential energy of the system of three point charges? Use for the three charges q1 = +2Q, q2 = −3Q, q3 = +Q, where Q = 120
asked by Anonymous 
physics
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 205 mi/h in 2.70 s. (a) Find the average acceleration of the plane. (b) Assuming the acceleration is constant, find the distance the plane moves.
asked by jojo 
phys
A circular test track for cars has a circumference of 2.1 km . A car travels around the track from the southernmost point to the northernmost point what distance does the car travel?
asked by Jessica 
Math
Find the ratio and simply. Triangle find the shortest side to the longest 22.2, 9.6, 20 The simplified ratio is Type ratio as a simplified fraction
asked by Amalia 
Math
You want to buy your dream car, but you are $5,000 short. If you could invest your entire savings of $2,350 at an annual interest rate of 12%. How long would you have to wait until you have accumulated enough money to buy the car?
asked by Mary 
statistics, probability
Consider two events A and B in the same sample space such that P(A)=0.4 and P(B)=0.3. Then A and B are mutually exclusive.
asked by Vasya 
History HELP
What role did Henry the Navigator play in finding new routes to the East? He personally led many expeditions around Africa. He forced many Portuguese sailors to go where they weren't comfortable. He encouraged the development of new technologies for
asked by Oscar 
History
1.)Spain gave parts of Florida to the United States as a result of which of the following? Monroe Doctrine Manifest Destiny AdamsOnis Treaty*** Missouri Compromise C?
asked by YRN DJ 
Math
A large elm tree died after it was struck by lightning. The property owner thinks he can remove it himself, but is concerned that it will fall on his greenhouse. He takes several measurements before attempting to cut it down. At 3 PM he measures the shadow
asked by Flora 
COMP1
Heading back to the states but on edge since he survived the tsunami FRAGMENT OR NO
asked by CHRIS 
Geometry
The altitude to the hypotenuse of a right triangle divides the hypotenuse into segments 6 inch and 10 inch long, Find the length h of the altitude.
asked by Kala'e 
calculus
a closed rectangular box whose base is twice as long as it is wide has a volume of 36000 cm^3.the material for the top cost 10 centavo per sq cm,that for the sides and bottom cost 5 centavos per sq cm.find the dimensions that will make the cost of making
asked by emil 
English
Either you must stop eating my food from the refrigerator or you must pay me for it. What sort of conjunction is used in the sentence? common,coordinating,etc
asked by Jen 
math  surface area and volume
A cylindrical bucket with base 15 cm with water upto a height of 20 cm a heavy iron spherical ball of radius 9cm is drop into the bucket to submerge completely in the water. Find the incrrase in the level of water.
asked by s.yashraj 
History
6.)Which expresses the main impact of westward expansion on African slaves in the 1800s? A)It provided greater job choices for them. B)It weakened attempts to abolish slavery. C)It allowed them to travel outside of the northeast. D)It threatened their
asked by YRN DJ 
science
if more sugar is placed into a glass of iced tea than can dissolve in the te,the additional sugar will sink to the bottom of the iced tea. Which of the following statements best accounts for the observation that an oversupply of sugar crystals will collect
asked by Flora 
Physic
A car is driven at a constant speed of 21m/s down a road.the car engine delivers 48 kw of power.Calculate the force of friction that is resting the motion on the car.
asked by Joveal 
Math Algelbra
Joy has to get from her house to the park,which is 10 miles away.If she walks,she can go 4 miles per hour.If she rides her bike,she can go 10 miles per hour.And, if she rides a car she can travel 40 miles per hour.How long will it take her to get to the
asked by Lila 
Science
if a strong odour is smelt continuously for some time the sensation of smell of that substance weakness why?
asked by Rabin 
HISTORY HELP
How did the Reconquista act as a pull mechanism for Spain to explore and conquer new lands? The Reconquista created generations of men trained and ready to reconquer lands for Spain and the Church. The Reconquista pulled the Christian kingdoms of Spain to
asked by Oscar 
Advanced functions
Find the area of a sector of a circle that has a central angle of 3π/8 and a radius of 7 cm.
asked by Vicky 
physics
Two force of 5n and 12n respectively act on the same point.show how you would determine the magnitude of the resultant by using the tail to head and tail to tail methods and Pythagoras theorem (13n)
asked by Bontle Letsoalo 
math
Suppose P is the experimental probability of a certain event occurring, based on 100 trials. Which of the following is the correct formula for calculating P?
asked by Anonymous 
Physics
Consider a circular track with a radius of 200 meters. A runner starts on the east side and runs around the track to a point diametrically opposite her starting point. What is the magnitude of her displacement? 400m She then runs the rest of the way
asked by Terry 
LA Help
"The Rider" A boy told me if he rollerskated fast enough his loneliness couldn't catch up to him. the best reason I ever heard for trying to be a champion. What I wonder tonight pedaling hard down King William Street is if it translates to bicycles. A
asked by Prudence 
Maths
If 12 is subtracted from three times a number the result is equal to twothirds of the number plus 16.What is the number
asked by Anonymous 
chemistry
if 15 grams of ethane gas c2h6, reacts with 128 g oxygen un a combustion reaction, how many moles of water can be produced?
asked by jen 
Geometry
Which of the following represents the length of a diagonal of a trapezoid with vertices of (b,c), (b,c), (a,0), and (a,0)? 1 sq root (a+b)^2c^2 2 sq root (ab)^2  c^2 3 sq root (ab)^2 +c^2 4 sq root (a+b)^2 +c^2
asked by Steve 
Physics
A 300g particle oscillating in SHM travels 11cm between the two extreme points in its motion with an average speed of 65 cm/s. a) Find the angular frequency b)The maximum force on the particle c)The maximum speed
asked by sarah 
Trigonometry
Use a graph of the function to approximate the solution of the equation on the interval [−2π, 2π]. (List the solutions in increasing order from left to right on the xaxis. Round your answers to three decimal places.) cot x = −1
asked by V 
History
7.)Which answer best describes the U.S. National Road? A.)It ran from Atlanta to Baltimore and followed the railroad. B.)It ran from New York to Chicago and was made from wooden planks. C.)It ran from Massachusetts to Ohio and ran parallel to the canal
asked by YRN DJ 
Math lit,life sciences,bussiness study,geography
Im in grade 10 and im doing math literacy,life sciences,business study,geography,life orientation,english and isizulu,what career path do i need to follow?im literaly lost.
asked by Noluthando 
chemistry
Silver chloride was formed when 10.10g of silver trioxonitrate(v) reacts with 14.10g of sodium chloride to form 9.58g of sodium trioxonitrate(v),write out the balance equation
asked by Esther 
Math
1. Doug earns $10.50 per hour at a restaurant. On Friday, he's been 1 3/4 hours cleaning, 2 1/3 hours doing paperwork, and one 512 hours serving customers . What were dougs earning? 6. Salid bought 35 feet of window trim at a hardware store. The trim it
asked by Melanie 
Calculus and Vectors
A farmer has 54 m of fencing with which to build two rectangular animal pens with a common side. If the area of the pens if to be maximized, what are their dimensions?
asked by Matthew Slaney 
SCIENCE
A MACHINE OF EFFICIENCY 60% IS USED TO RAISE A LOAD OF 150kg THROUGH A VERTICAL DISTANCE OF 2.5m.CALCULATE THE WORK DONE [IN JOULES]. I tried E=WORK OUTUT/WORK INPUT times 100% 60=150 times 10 times 2.5/work input times 100 60 times work input=3750 times
asked by JOY 
Technical drawing
On a base of 42mm length of the side opposite this angle is 84mm
asked by Anonymous 
Maths
A student cycles for xhours at 12km/hr and y hours at 16km/hr.Altogether,the student cycles 66km/hr in 5hrs.find the values of x and y
asked by Trysyens 
CSU
A speaker has a diameter of 0.303 m. (a) Assuming that the speed of sound is 343 m/s, find the diffraction angle è for a 1.80kHz tone. (b) What speaker diameter D should be used to generate a 3.72kHz tone whose diffraction angle is as wide as that for
asked by Japhet 
algebra
a rectangular plot of farmland will be bounded on one side by a river and on the other sides by a single strand electric fence . with 800m of wire at your disposal,what is the largest are you can enclose, and what are its dimensions ?
asked by joan 
math
i am a fraction between 1/3 and 1/5 my denominator is 1 less than 4 times my numerator
asked by elyza 
Algebra
A boat has a speed of 20 mph in still water. While traveling on a river at top speed, it went 40 miles upstream in the same amount of time it went 60 miles downstream. Find the rate of the river current.
asked by Rob 
science
Which of the following describes Joseph Lister’s role in discovery and prevention of disease? (1 point) recognized the relationship between disease and cleanliness discovered that microorganisms cause disease in humans invented pasteurization developed a
asked by Anonymous 
Math
Stephanie has a banner that is 32 feet long. She wants to divide it equal parts. What will be the length of each part?
asked by Nahom 
History
1.when did jurassic time period start and end? 2. what ERA and EON did jurassic time period occur in?
asked by Anonymous nerd 
math
solve x6 divided by 3x27 divided by 9=3
asked by brenda 
math
Mr.R covers 3/4 of his kitchen with tiles. He covers 1/4 of his kitchen with rug. what fraction of the kitchen is covered with a rug . A 4/9 B 1/4 C 3/16 D 1/3
asked by TT 
science
1. The liquid part of the blood is called _____. (1 point) hemoglobin plasma platelets white blood cells 2. Your circulatory system can best be compared to _____. (1 point) gates a net pipes a balloon 3. Which of the following shows the correct order of
asked by Anonymous 
Science
Explain how and when the universe formed according to the big bang theory? Explain how and when our solar system formed? Describe one observation astronomers use to show that the universe is Expanding?
asked by Sarah 
Quantitative methods
Two training classes took a test and the results were marked on the scale zero to one hundred. The first group got an average score of 75, with the standard deviation of 8. The second group got an average of 65, with the standard deviation of 4. How do
asked by Anonymous 
QMB
Two training classes took a test and the results were marked on the scale zero to one hundred. The first group got an average score of 75, with the standard deviation of 8. The second group got an average of 65, with the standard deviation of 4. How do
asked by Anonymous 
PHY 231
Mass m1 = 11.3 kg is on a horizontal surface. Mass m2 = 5.70 kg hangs freely on a rope which is attached to the first mass. The coefficient of static friction between m1 and the horizontal surface is μs = 0.573, while the coefficient of kinetic friction
asked by Andrea 
LA
What is the secret to reaching someone with words? Which of the poems—"Concrete Mixers," "The City Is So Big," or "Harlem Night Song"—best uses words to create a vision or an idea of the city for you? In a paragraph, state your opinion and support it
asked by bopper 
MATH
A TAXI CAB COST $1.25 FOR THE FIRST MILE AND $.25 FOR EACH ADDDITIONAL MILE. how many miles can be traveled in the taxi for $8.00? M= number of miles traveled.
asked by MACK 
Math
Mary and Louis are sharing 1000g of flour. Mary receives 3 times as much as Louis. How many grams of flour does each of them receive?😕😕
asked by Unknown👤 
english
how does multiculturalism do more harm then good?
asked by Jasmine 
precal
Find the zeros, if any exist. Round your answers to two decimal places.
asked by rhonda 
surface area and volume
The diameter of two cones are equal if their slant height are in the ratio 5:4, find the ratio of their curved surface area
asked by s.yashraj 
maths
Write down the general rule/term in the sequence of (1a). T5=4(5)1 T5=201 T5=19
asked by mpho 
History
2.)Which event most likely made the state of georgia more anxious from their homeland? A. the discovery of gold in Georgia B. an outbreak of smallpox within the tribe C. help given to runaway slaves by the Cherokee tribe*** D. a surge of Spanish
asked by YRN DJ 
Physics
(a) What is the electric potential V at a distance r = 3.1 108 cm from a proton? (V) (b) What is the electric potential energy in units J and eV of an electron at the given distance from the proton? (J) (eV)
asked by Anonymous 
History
3.)Which of the following are possible results of the Monroe Doctrine? A.)Native Americans are forced off their lands in the West. B.)More Americans move westward seeking gold and riches. C.)The U.S. stops a Spanish ship from entering Florida waters.
asked by YRN DJ 
Physics
An airfilled parallel plate capacitor has a capacitance of 37 pF. (a) What is the separation of the plates if each plate has an area of 0.8 m2? (cm) (b) If the region between the plates is filled with a material with κ = 5.0, what is the final
asked by Anonymous 
History
How did early peoples and native americans adapt and change according to where they lived? Please no links.
asked by Anonymous nerd 
English
1. I was taking a bath when he called. 2. I wasn't there when he called. ================== What is the meaning of 'called'? "Shouted" or "made a phone call" or "visited"?
asked by rfvv 
Science
Describe one observation astronomers use to show that the universe is expanding
asked by Sarah 
Behavioral Statistics
Because Foofy's score had a relative frequency of .02, she claims she had one of the highest scores on the exam. Why is she correct or incorrect?
asked by Nik 
human geography
Describe three elements that can lead to supranationlism Why does supranationalism provide challenges to states? How can a state have both supranational and devolutionary processes at the same time?
asked by Cally 
History
4.)Slavery was defended for many reasons in the 1800s. A.)Which opinion best explains why some citizens of free states might support slavery? B.)Slaves were needed to build railroads and new cities in the west. C.)Escaped slaves should not be protected by
asked by YRN DJ 
History
5.)Nat Turner and John Brown were executed by the government for violent acts, but were heroes to many Americans. Which statement best explains why many Americans admired them? A.)Both men freed many slaves before they died. B.)Both men rebelled against
asked by YRN DJ 
physics Help please!
h(m) KE (J) PEgravity (J) PEelastic (J) E 0 ______ _________ _________ __ 0.2 ______ _________ __________ ___ 0.4 ______ _________ __________ __ A 2.40kg object is hanging from the end of a vertical spring. The spring constant is 31.0 N/m. The object is
asked by mike 
science STEM FAIR
Do all liquids evaporate at the same rate ? Liquids 1. Water 2. Nail polish " Remover " 3.Ginger ale
asked by Jada .. ( friends call me Jaay / Jay ) 
algebra
The function D (t) = 13t^2 to the second power – 120t gives the distance a car going a certain speed will skid in t seconds. Find the time it would take for the car to skid 170 feet. The time to skid 170 feet is __________ seconds.
asked by mm 
physics
A particle moving in simple harmonic motion passes through the equilibrium point x=0, 3 times per second. At t=0 its velocity at x=−0.0325m is negative. It travels 0.5m in a complete cycle. a) what is the phase constant in cm. i found the equation:
asked by maryam 
Health and social Care
What is the meaning of Promoting choice and an example of how this empowers service users? And why is it important to take individual circumstances into consideration when planning care that will empower service users? ( in a nail painting activity; link
asked by Jane 
Physics
If the maximum current in an LR circuit is 2 A what is the instantaneous current at t= time constant of the circuit?
asked by Minhye 
college precalc
Would a truck that is 12 feet tall and 9 feet wide fit through a parabolic arch that is 15 feet high at the high point and 16 feet wide?
asked by Terry 
Chemistry
Calculate the mass of Mg needed to produce ~40 mL of H2. how do I do this?
asked by Anon 
Trigonometry
Use a graph of the function to approximate the solution of the equation on the interval [−2π, 2π]. (List the solutions in increasing order from left to right on the xaxis. Round your answers to three decimal places.)
asked by V 
History
3.)Which of the following are possible results of the Monroe Doctrine? A.)Native Americans are forced off their lands in the West. B.)More Americans move westward seeking gold and riches. C.)The U.S. stops a Spanish ship from entering Florida waters.
asked by Frank 
Social Studies (Check, Please!)
Why did Truman veto the TaftHartley Act? A: President Truman vetoed the TaftHartley Act because he believed it would "revise the basic direction of our national labor policy, inject the government into private economic affairs on an unprecedented scale,
asked by Victoria 
LA
What is the secret to reaching someone with words? Which of the poems—"Concrete Mixers," "The City Is So Big," or "Harlem Night Song"—best uses words to create a vision or an idea of the city for you? In a paragraph, state your opinion and support it
asked by bopper 
precalc college
a certain type of fencing comes in rigid 10 foot long sections. Four uncut segments are to be used to fence in a garden on the side of a building. what value of x will make the garden as large as possible?
asked by Jenna 
Chemistry
What are the correct IUPAC names for triisopropylmethane and 2,2dimethylcyclopentane?
asked by Hayley 
Physics
A 9.7 kg block moving at 3 m/s makes a headon elastic collision with a stationary block of mass 7.6 kg. Find the velocity of the 7.6 kg block. Answer in units of m/s.
asked by Briana 
Chemistry
Of the following (a through e), which increase and which decrease, as the strength of the attractive noncovalent interactions increases? Explain. a) Deviations from the ideal ga law b) Boiling Temperature c) Sublimation temperature d) Vapor Pressure e) The
asked by Anonymous 
algebra
The function D (t) = 16t^2 to the second power – 140t gives the distance a car going a certain speed will skid in t seconds. Find the time it would take for the car to skid 170 feet. The time to skid 160 feet is __________ seconds.
asked by mm 
physics
A jet plane lands with a speed of 81 m/s and can accelerate at a maximum rate of −5.00 m/s2 as it comes to rest. (a) From the instant the plane touches the runway, what is the minimum time needed before it can come to rest? (b) Can this plane land on a
asked by jojo 
physics
A ball is thrown vertically upward with a speed of 19.0 m/s. (a) How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the ball take to hit the ground after it reaches its highest point? (d) What is its velocity
asked by jojo 
Chemistry
A 1.0 L ball containing Ar at 5 atm is connected to a 10.0 L ball containing N2 at 2 atm. a) Calculate the partial pressure and mole fractions of argon and nitrogen after the valve is opened and the gases are allowed to mix (they fill the balls on both
asked by Anonymous 
Math
Recipe calls for 1/3 of flour and 5/6 flour how many cups are needed1/3 plus 5/6=1/3+6/6=7/6 and 556x6/6=30/6
asked by Jmm 
physics
A ball is thrown directly downward with an initial speed of 8.95 m/s, from a height of 29.0 m. After what time interval does it strike the ground?
asked by joanna 
Matrix
I was wondering if you have a matrix (AB)t does matrix A and B both become transposed? like A^t and B^t? thank you
asked by draven 
Physics
A jet aircraft rolls onto the end of a runway before accelerating down the runway for takeoff. At the point where the aircraft leaves the ground, it is traveling at 100 m/s. If the aircraft's initial speed when it rolled onto the runway was 10 m/s, and it
asked by Matt 
Math
Find the domain and range of the function. h(x)=4^sqrt 73x thank you!
asked by Shelly 
math
the top of a bridge tower needs new lights. the lights along the perimeter of the tower's top has an area of 65 sq. meters it has a width or 5meters. what is the perimeter of the top tower?
asked by jaden 
Matrix question
I was wondering if you have a matrix (AB)t does matrix A and B both become transposed? like A^t and B^t? thank you
asked by draven 
Math
1. When would the following conditional be false? If you work 20 hours a week, then you make 125.00. A) You work 25 hours a week, and make 125.00. B) You work 25 hours a week, and you make 175.00. C) You work 20 hours a week, and you make 175.00. D) You
asked by Tim 
Science
An artificial satellite circles around the earth at the height where the gravitational force is one fourth of that at earth's surface. If the earth's radius is R the height of the satellite above the surface of the earth is?
asked by Shubham 
Chemistry
A weather balloon is inflated with helium to a volume of 28.1 L at a pressure of 754 torr and a temperature of 26.0 Celsius. The balloon rises in the atmosphere to an altitude where the pressure is 380 torr and the temperature is 16.1 degree Celsius. 1.
asked by Anonymous 
Science
Find the resultant of two displacement vectors A and B, the magnitude of A is 45 meters and the magnitude if B is 25 meters?
asked by Vince Jerald 
science
a 50 kg of astronaut ejects 100 g of gas from his propulsion at a velocity of 50 m/s. what is his resulting ?
asked by kim allyson 
Physica
Had this question answered answered before but I could not understand the explanation. Can someone else please help me? What is the likely identity of a substance (see Table 101) if a sample has a mass of 9.38 g when measured in air and an apparent mass
asked by Larisa 
physics
A ball is thrown vertically upward with a speed of 19.0 m/s. (a) How high does it rise? (in meters) (b) How long does it take to reach its highest point? (in seconds)
asked by joanna 
physics
A ball is thrown directly downward with an initial speed of 8.95 m/s, from a height of 29.0 m. After what time interval does it strike the ground? answer in (in seconds)
asked by joanna 
mathematics
6 to the power 5 ÷ 6³+7 to the power zero
asked by kefilwe 
Calculus Plz Help
If f(x)=x^4, compute f(2) and f'(2) f(2)=___
asked by Dominick 
physics
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 205 mi/h in 2.70 s. (a) Find the average acceleration of the plane. (answer in m/s^2) (b) Assuming the acceleration is constant, find the distance the
asked by joanna 
Chemistry
look at any mole, what is the ratio of particles of the numerator compared to the number of particles in the denominator?
asked by Charlie 
j
In a flower garden, there are 5 tulips for every 7 daisies. If there are 40 tulips, how many daisies are there? A. 54 B. 56 C. 58 D. 61
asked by Anonymousj 
Maths
The volume of a pyramid with a square base is given by the expression 1/3s square h, where she is the length of a side of the base and h is the height. Find the volume of a pyramid with a square base of side length 24 feet and a height of 30 feet.
asked by Tom 
number pattern
if term 6=243 and term 3=72 of a geometric sequence determine the constant ratio
asked by lesego 
Calculus and Vectors
you want to make a box out of a piece of tin 20cm by 20cm by cutting the squares out of the corners and folding them up the sides. If the box is to have a maximum volume, what are their dimensions?
asked by Matthew Slaney 
maths. It's urgent
solve for the value of x and y. X+y=15 x^y+y^x=30
asked by dannystein(ifeanyi daniel) 
Calculus and Vectors
The volume of a large soup can is 1L. The cost of the top is $0.002/cm^2 while the sides and bottom cost $0.001/cm^2.Find the minimum cost to pruduce the can given that the radius must be between 5cm and 10cm for shipping purposes.
asked by Matthew Slaney 
Algebra
the perimeter of a rectangle is 54 inches. two times the width of 3 centimeters more than the length. find the dimensions of the rectangle.
asked by Julianna 
Calculus and Vectors
Afarmer requires two rectangular corrals with a combined area of 200m^2. The cost of the fencing facing the road is $25/m while the sides cost $20/m. The back side of the corrals will be against the side of the barn, which is 40m long. what is the minimum
asked by Matthew Slaney 
Chemistry
what is the concentration of 0.009 M solution of nh3 at 25 degree fahrenheit?
asked by Jewel 
English
Dialogue in which you convince your teacher that you are too sick to participate in sport for the day
asked by Akani 
Physics
A cannonball is fired with initial speed v0 at an angle 30° above the horizontal from a height of 42.9 m above the ground. The projectile strikes the ground with a speed of 1.2v0. Find v0.
asked by Nicole 
statistics
You measure 64 children , obtaining a X of 57.28 . The mean is 56 and sd is 8 Slug says that bc this X is so close to the mean of 56 , this sample could hardly be considered gifted. A. Perform the appropriate statistical procedure to determine whether he
asked by pam 
SCIENCE HELP PLS
Which of the following is a source of graywater? Sewage water Shower water Water waste from an auto repair garage Water waste from a chemical company is it b
asked by Oscar 
maths
the ones digit of 2digit number is twice the tens digit when the number formed by reversing the digit is added to the original number . The sum is 99 . find the original ?
asked by shipra 
english
“I wanted to go to Yellow Stone National Park with the group, but I did not have enough vacation time.” This sentence is ________. incorrect correct comma splice a runon an incomplete sentence
asked by Anonymous 
Math
Solve the equations below. Check your solutions. 3x5/2=4x+1/4
asked by Anonymous 
Science
which part of the tongue is stimulated by more temperature? Explain.
asked by Rabin 
PHYSICS:
A boy weighing 350N runs up a flight of stairs consisting of 20 steps each 10 cm high in 10 seconds.what is his power?
asked by CHIDI 
science
a body floats with only 30% of its volume out of water.calculate the density of this body.
asked by kaunda kapalu 
Maths
The ratio of boys to girls in a volleyball club is 4:3 twelve club members are boys how many members are girls
asked by Kerolain 
English
I'm having trouble putting together a thesis and topic sentences. There is so much great information with my sources, everything seems to sound the same. This is a layout of how my topics could be arranged and organized . I don't know how to do a good
asked by Dina 
Math
184 seventh graders are going on a field trip. There needs to be one chaperone for every four students. If a bus can hold 50 people, how many busses will they need for their trip? Explain your thinking.
asked by Anonymous 
math
Mrs.Fis has 1/3 of a stack of Quizzes left to grade. Of the stack,3/4 of the OERs are from Courage. What fraction of the entire stack is from courage. A 1 1/12 B 1/4 C 5/12 D 4/9
asked by TT 
math
there are 14 boys in a bus that holds 60 students. if the bus is full, what is the ratio girls to boys?
asked by sue 
Physic
A tray move with a velocity of 10ms in 2 minute. calculate the distance covered.
asked by Michael 
Calculus
If f(x)=x^4, compute f(2) and f'(2) f(2)=___
asked by Dominick 
tourism , geography, mathematical literacy, economics
what career can I do with those subjects
asked by Tashlyn Tarr 
Math
It takes Beth 15 minutes to walk to school, 1/2 mile away. What is her walking pace?
asked by Alexis 
Chemistry
In the preparation of one liter of 2.5 M HCl solution, what is the volume of HCl concentrated (37% w / w, d = 1.19 g / ml) to be used?
asked by Sara 
science
how many electrons are in the sodium sulphate?
asked by jailos 
Ap US History
Why would former slaves and Radical Republicans describe the state of affairs following the Compromise of 1877 as “worse than slavery”? Support, refute, or modify this claim using historical evidence. i just need help starting this paper and i also
asked by sydney 
engineering
In many engineering uses, the value of �g�, the acceleration due to gravity, is taken as a constant. However, g is actually dependent upon the distance from the center of the Earth. A more accurate expression for g is: g=g0(Re/Re+A)^2 Here, g0 is the
asked by Seth 
Calculus
Does anyone know how to solve, ln((3x2)/(x1))
asked by Em 
physics
A blue car pulls away from a red stoplight just after it has turned green with a constant acceleration of 0.2 m/s2. A green car arrives at the position of the stoplight 7.5 s after the light had turned green. What is the slowest constant speed which the
asked by hannah 
earth science
The global ocean covers about 70% of the Earth’s surface. If all the ocean water was uniformly distributed over the whole surface, what would be its depth? Assume that the Earth is a perfect sphere, and the average ocean depth is 4 km.
asked by Marisa 
science
Can you predict the force needed to stretch the rubber band to 40.0cm?why or why not
asked by alicia 
physics
An electron is projected with an initial speed of (1.90x10^6 m/s) into the uniform field between two parallel plates. Assume that the field between the plates is uniform and directed vertically downward, and that the field outside the plates is zero. The
asked by jack 
physics
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 3.55 m/s. The car is a distance d away. The bear is 17.1 m behind the tourist and running at 4.84 m/s. The tourist reaches the car safely. What is the
asked by Kim 
physics
Imagine a parallel universe in which the electric force has the same properties as in our universe but there is no gravity. In this parallel universe, the sun carries charge Q, the earth carries charge −Q, and the electric attraction between them keeps
asked by jack 
COLLEGE ALGEBRA
Find the dimensions of a rectangle with a Perimeter of 100 cm  its width is 2/3 its length.
asked by KAREN 
Algebra
A rectangular garden has a walk around it of width x. The garden is 20 ft by 15 ft. Write a function representing the combined area, A(x), of the garden and walk. Write as a polynomial is standard form.
asked by Anonymous 
history geography business maths literacy
what career or jobs can I get if I've got this subject
asked by precious 
math
factorize completely : 12x squared23x+5
asked by brenda 
physics
what is tripple point?
asked by promise 
Physics
I'm preparing for a test. Can anyone check my answer for all these questions? These are my questions: 1. A stationary curling stone is struck in a glancing collision by a second curling stone of equal mass. If the first stone moves away at a velocity of
asked by Matt Damon 
math
factorize completely : 1636p squared
asked by brenda 
math,algebra
an open box is to be made by cutting small congruent squares from corners of a 12cm by 12cm . sheet of tin and bending up the sides . how large should the squares cut from the corners to be make the box hold as much as possible ?
asked by tonai 
caculas
an open box is to be made by cutting small congruent squares from corners of a 12cm by 12cm . sheet of tin and bending up the sides . how large should the squares cut from the corners to be make the box hold as much as possible ?
asked by tonai 
math
application of derivatives: an open box is to be made by cutting small congruent squares from corners of a 12cm by 12cm . sheet of tin and bending up the sides . how large should the squares cut from the corners to be make the box hold as much as possible
asked by rore 
Physics
A speaker has a diameter of 0.303 m. (a) Assuming that the speed of sound is 343 m/s, find the diffraction angle è for a 1.80kHz tone. (b) What speaker diameter D should be used to generate a 3.72kHz tone whose diffraction angle is as wide as that for
asked by Japhet 
algebra
The owner of a local chocalate shop wants to develop a new trail mix. How many pounds of chocalate covered cashews worth $5.00 per pound should be mixed with 10 pounds of granola bites worth $3.00 per pound? 5x+3x=10 8x=10  = x=10/8 lbs. 8
asked by Saniya 
Math
Muthoni took 6 days to plant crops in 3/4 of her garden.what fraction of the garden did she plant with crops in one day?
asked by Najma