Questions Asked on
March 10, 2016

Science
What wave property is labeled X? a. Frequency b. amplitude c. wavelength d. wave speed Is it C? Thank you!
asked by Jane Doe 
math
1. QTR and ______ are complementary. QTS * RTS PTN QT 2. QTN and _____ are supplementary. QTS QTP * RTS PTR 5. PTN is adjacent to _____. QTR PTS RTS NTS *
asked by Sammy 
Science HELP!!!!
1.To study a rock sample, geologists observe the rock's mineral, composition, color, and temperature. true false*** 2.finds a rock with layers and smaller pieces of other rocks embedded in it. the rock is most likely A igneous B sedimentary*** C
asked by ZOBO322 
English Vocubulary fourth edition
I was not (1)______ (e)d with athletic ability. In frequent nightmare, I'm still trying to pass my mandatory gym class so that I can graduate from high school.The situation always looks grim.For one thing, the teacher has threatened me with (2)____________
asked by Briana 
Life orientation
Explaination on socioeconomic factors that can influence your study choices and future career
asked by Thabsile angel 
Precalculus
Suppose H(X)=(37x)^6 Find two functions f and g such that (f•g)(x)=H(x) Neither function can be the parent/ identity function
asked by Garrett 
L.o
Explain fully what is meant by designated subjects
asked by Nontokozo 
Math
There was a berry picking contest at the earth day celebration this year. The line plot below shows the number of pints of berries collected by the people participating in the contest. a. What is the median of the data displaced on the line plot? b. How
asked by Ciera Rue 
Science
1. Which of the following illustrates mechanical weathering? A.Carbonic acid weathers marble and limestone. B. As plants grow, they produce weak acids that slowly dissolve rock** C. Oxidation causes weathering in rock D. Repeated freezing and thawing in
asked by Izzie 
spanish!!!
which was not found in the ancient maya culture? pyramids hieroglyphics ball courts ** roof gardens Which is a yearly festival in the united states? National Salvadoran american day pupusa festival ** salvadoran folkore week salvadoran new year
asked by aly 
Calculus
Evaluate the Riemann sum for (x) = x3 − 6x, for 0 ≤ x ≤ 3 with six subintervals, taking the sample points, xi, to be the right endpoint of each interval. Give three decimal places in your answer and explain, using a graph of f(x), what the Riemann
asked by nan 
math
david wants to build a pen for his goat. he wants the area of the pen to be 48 square feet. if the length and width of the pen are whole numbers, which of the following could be the perimeter of the pen  p = 26 ft  p = 28 ft  p = 30 ft****  p = 36 ft
asked by little dark one 
Science: Chemical Bonds
Two nonmetals from group 16 are likely to form a: triple and ionic bond double and ionic bond triple and covalent bond double and covalent bond I don't get this, could someone please explain?
asked by Lady Phantomhive 
Physics
a 6 kg mass with an initial velocity of 7 i m/s collides and sticks to a 5 kg mass with an initial velocity of v j m/s. the direction of the final velocity of the two masses with respect to the direction of the x axis is 15 degrees. what is v?
asked by Anonymous 
Math
Find two mixed numbers so that the sum is 7 2/4 and the difference is 5
asked by Caitlin 
Technology
1. Who is an upstander? A. the person doing the bullying B. the person being bullied C. the person watching the bullying D. the person who tries to stop the bullying** 2. Which of the following is a place where cyberbullying DOESN’T occur? A. chat
asked by Serena 
Algebra
Which of the following equations represent nonlinear functions? A. Y=52/3x B. y=x^2+7 C. y=1.5x0.25 D. Y=3 F. Y= 10/x+20 f and b?
asked by Katlynn 
Physics
A pendulum bob has a mass of 1kg. The length of the pendulum is 2m. The bob is pulled to one side to an angle of 10degree from the vertical. What is the velocity of the pendulum bob as it swings through it's lowest point? What is angular velocity?
asked by Sam 
Chemistry
Diethyl ether (also known as “ether”), C4H10O (l), is an organic compound that has long been used as a surgical anesthetic. The complete combustion of 1 mol of C4H10O (l) to CO2 (g) and H2O (l) yields ΔH °=2723.7 kJ. a) Write a balanced equation for
asked by Feufolia 
Physics
Verify that the formula u(t)=Acos(ωo*t+Φ) is a solution to the differential equation for the mass on a spring, by plugging this expression for u(t) directly into the differential equation: d^2u/dt^2+ωo^2*u=0.
asked by Anonymous 
math
Your company recently made a purchase of 25 identical tables. The purchase price after adding 5% sales tax was $1,706.25. You later realize that you only needed 20 tables. If you decide to return five tables, what would be the refund amount before tax?
asked by Anonymous 
Art
An interior designer hopes to create a cozy relaxing intimate environment in a restaurant. which lighting choice will best help to accomplish this goal A) overhead fluorescent lights B) energysaving light bulbs C) red and orange mood lighting•• D)
asked by Help! 
Math Help ASAP PLEASE!!!
You’ve probably heard of Albert Einstein's formula regarding the speed of light: E = mc2. While this is an important formula that you will use throughout your academic career, it is not a formula you apply in your daily life. Describe some common or
asked by Miranda Lambert 
Geometry
In triangle ABC,if m∠A is thirteen less than m∠C and m∠B is eleven less than four times m∠C, find the measurement of each angle. A+B+C= 180 A= 13C B= 4C11
asked by Blanca 
history
Why did the Farmers’ Alliance form? a. To discuss political concerns and develop solutions b. To coordinate the crops grown by farmers in south Carolina** c. Because the Grange did not address social concerns d. Because the Grange did not address
asked by help me please!!! 
Algebra 2
A water sample in a laboratory initially contains 6000 bacteria. The organisms reproduce at a rate of 10% per hour. Find the function that corresponds to this situation. Then predict how long it will take for the population of bacteria to double in number.
asked by Sam Joseph 
Language Arts
Which of the following sentences contains a dependent clause? a) my mother, who never wastes anything, rinsed and saved the takeout boxes b) we were running late and, we had to skip stopping by the post office. c) I had never been to New York before this
asked by Katherine 
geometry
A man who is 6 feet tall is standing under a streetlight and casts a shadow on the sidewalk the man is standing 15 feet away from the 20foot streetlight. How long is his shadow ,s ?
asked by angelica 
math
open study a rectangle rug is 4 feet by 9 feet. what is the side length of a square rug with the same area 3ft 5ft 6ft 8ft
asked by little dark one 
Calculus
Use the Fundamental Theorem to evaluate the integral from 0 to 3 of the quantity x cubed minus 6 times x, dx. (Your answer must include the antiderivative.) Use a graph of the function to explain the geometric meaning of the value of the integral.
asked by nan 
Physics
during a snowball fight two balls with masses of 0.28 and 0.75 kg, respectively , are thrown in such a manner that they meet headon and combine to form a single mass. the magnitude of initial velocity for each is 15 m/s. what is the speed of the combined
asked by Anonymous 
History
Please check my answers! My answer is ** 1. Why did the Farmers' Alliance form? a.) to discuss political concerns and develop solutions b.) To coordinate the crops grown by farmers in SC c.) because the grange did not address social concerns. ** d.)
asked by Help Needed 
Physics
a tennis ball has mass 0.045 kg and is hit at a speed of 120 km/h by the server. the opposing player hits the ball exactly back along the line of its trajectory giving the ball a new speed of 115 km/h. if the contact time between the racquet and the ball
asked by Anonymous 
math
a kite with a string 150 feet makes an angle of 45° with the ground. assuming the string is straight, how high is the kite?
asked by ven 
Calculus
The temperature of a pan of hot water varies according to Newton's Law of Cooling: dT/dt=k(TA), where T is the water temperature, A is the room temperature, and k is a positive constant. If the water cools from 90°C to 85°C in 1 minute at a room
asked by nan 
Math
12.)1,000 people were surveyed about the type of vehicles they owned. The results are shown in the circle graph below 42% SUV 25% Sedan 28% Wagon 5% Hatchback How many people own a SUV? A.)4 B.)42 C.)420*** D.)4,200
asked by #FreeGucci 
Math  Help!
1. What are all the possibly ways to classify a rectangle? A. quadrilateral, parallelogram, rectangle *** ?? B. parallelogram, rectangle (Or this…) C. quadrilateral, rectangle 2. Which property is not a characteristic of a parallelogram? A. Opposite
asked by Petra 
Civics
The Supreme Court case United States v. Nixon led to A.gaining executive privilege B.limits to executive privilege(I pick this one) C.Nixon keeping the tapes private D.Nixon losing his reelection
asked by CIVICS HELPPPP!!! 
Physics
A ball of mass 500g is kicked into the air at angle of 45degree. It reaches a height of 12m. What was it's initial velocity?
asked by Sam 
Algebra 2 honors
A water sample in a laboratory initially contains 6000 bacteria. The organisms reproduced at a rate of 10% per hour. Find the function that corresponds to this situation. Then predict how long it will take for the population of bacteria to double in
asked by Treal Jacob 
Physics
An airplane pilot checks her instruments and finds that the air speed of the plane is 325 km/h. the instruments show that the plane is pointed in a direction (S 30 W). A radio report indicates that the wind velocity is 80 km/h (W). What is the velocity of
asked by lomonoyan 
Art
What is the best definition of intaglio? A. To copy images onto the surface of paper B. To chemically transfer images to the surface of paper C. to carve or engrave images into the surface of a plate •• D. to print money using high tech methods
asked by Help! 
Geography
How would you describe the elevation and relief of the landform shown in the picture? A. High elevation and high relief B. low elevation and high relief C. High elevation and low relief D. Low elevation and low relief. My answer is D
asked by Gourami 
Art
When discussing a work of art, Speaker A talks about how the piece was passed down through generations of family members, While speaker B mentions the different styles of shading. Speaker B is an example of the? Textbook perspective. (Not sure what this
asked by LOVE 
math
A jumping spider jumps from a log onto the ground below. Its height, h, in centimetres, as a function of time, t, in seconds, since it jumped can be modelled by the function h(t) = 490t^2 + 75t + 12.When does the spider land on the ground? ___ seconds
asked by Emily J 
Physics
The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 × 105 J/kg, and its specific heat is 900 J/kg • K. If 300 kJ of heat are added to 442 g of aluminum at 100°C, what is the final state of the system? That is, how much is liquid,
asked by MB 
English
I think the answer is, because he is pretty much telling the people reform is needed. AFTER an unequivocal experience of the inefficiency of the subsisting federal government, you are called upon to deliberate on a new Constitution for the United States of
asked by Henry 
Physics
A police car approaches a large wall at 51m/s. Its siren emits a 980 Hz signal. What is the frequency of the reflected sound observed by the officer?
asked by maryam 
social studies
which two groups played a major role in shaping roman civilization?
asked by keykat 
Social Studies
what would be the most likely method for a game store to distribute a popular new video game to customers A. First come first served B. Levels C. Needs D. Auction which these states a basic economic question A. What job is best B. How much should this good
asked by boo 
MATH
The LRT trolley system 10 miles long is fed by two substations that generate 600 volts and 560 volts, respectively. the resistance of the trolley wire and rail return is 0.3 ohm per mile. if the car located 4 miles from the 600volt station draws 200A from
asked by TOMMY 
algebra
Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? Why? plz help f !!!
asked by chil 
Life oriantation
Propose 6 practical action that you can take to address human right violance of xenophobia in your community
asked by Propose 
physics
an electron moves in the plane of paper toward the top of the page .a magnetic field is also in the plane of the page and directed toward the right .what is the direction of the magnetic force on the electron ?
asked by ruth 
Chemistry
A student collected concentration data to determine the rate of the decomposition of N2O5 to NO2 and O2. The data were recorded in the table below. What is the rate law of this reaction? k[N2O5] k[N2O5]2 k k[NO2]
asked by Steph 
Math Ms. Sue please help me
The mean of the set of four test scores is 88. If three of the test scores are 84, 88, and 94, what is the fourth test score? A. 86 B. 88*** C. 90 D.92 please help am i right?
asked by Skye 
Life orientation
Propose 6 practical actions that you can take to address human right violations of xenophobia in your community
asked by Sthandile Mthiyane 
Chemistry Dr.Bob222
Predict the effect of decreasing the temperature on the position of the following equilibria. (a) H2(g) + Cl2(g) ↔ 2HCl(g) + 49.7 kJ My answer: shifts to the right (b) 2NH3(g) ↔ N2(g) + 3H2(g) ∆ H = 37.2 kJ My answer: shifts to the left (c) CO(g) +
asked by Nevaeh 
Geometry
Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?
asked by Sue 
Language Arts
Which of the following sentences contains a dependent clause? a) my mother, who never wastes anything, rinsed and saved the takeout boxes b) we were running late and, we had to skip stopping by the post office. c) I had never been to New York before this
asked by Katherine 
Social Studies
Which of the following is an example of a new tool that is important for the economy of this area? A. copra B. fishing C. technology ** This one I guess... D. logging My question(s): What is "this area" and do copra (dried coconut meat) logging, and
asked by Miss M 
American lit
What is the significance of the kitchen setting in Langston’s Hughes’ poem “I,Too”? The kitchen represents images of deep racial injustice in society. Hughes wanted to express the importance of family tradition The kitchen is a symbol of hope
asked by SakiYazzy 
english composition 11
all of the following are techniques of active reading except
asked by sara 
Algebra 2 honors
Yuki wants to make a reducedsize copy of a drawing. The original drawing is 14inches long. Yuki's copier can only reduce by 75%. Find the length of a copy after Yuki reduces it 4 times at 75% each time. Round your answer to the nearest hundredth of an
asked by David Jamil 
Physics
A 30gram bullet leaves a gun barrel with a speed of 230 m/s. (a) What work is done on the bullet while it is in the gun barrel? (b) If the gun is 0.60m long, what is the average force on the bullet?
asked by DeezNutz 
life orientation
What are the practical actions that we can take to address human rights violations of xenophobia in our communities
asked by nosipho 
Math
Sam wants to find the height of a window in a nearby building but it is a cloudy day. Sam puts a mirror on the ground between himself and the building. He tilts it so that when he is standing up he sees the reflection of the window. The base of the mirror
asked by Ashley 
history
3.What change was sponsored by the populists to gain the support of industrial workers? a. eighthour workday** b. double pay for overtime c. restrictions on child labor d. increased safety requirements
asked by UNKNOWN 
Algebra 2
Yuki wants to make a reducedsize of a drawing. The original drawing is 14 inches long.Yuki's copier can only reduce by 75% . Find the length of a copy after Yuki reduced it 4 times at 75% each time. Round your answer to the nearest hundredth of an inch.
asked by Sam Joseph 
Calculus
Express the given integral as the limit of a Riemann sum but do not evaluate: the integral from 0 to 3 of the quantity x cubed minus 6 times x, dx.
asked by nan 
Physics
An image formed by a convex mirror (f = 24.0 cm) has a magnification of 0.150. Which way and by how much should the object be moved to double the size of the image?
asked by zhel 
managerical accounts
(ignore income taxes in this problem)the following data pertain to an investment proposal: cost of the investment $30,000 Annual cost saving 9,000 estimated salvage value 4,000 life of the project 5 years discount rate 12% Which is the net present value of
asked by Anonymous 
math 1149
For the triangle shown, find the length AD. (Assume u = 19, v = 19, Úx = 25‹, and Úy = 25‹. Round your answer to two decimal places.)
asked by lisa 
6TH GRADE MATH
Write an equation that includes division that relates the number of minutes a sperm whale can stay under water.🤔
asked by Madi 
Social Studies HELP
2. Which was a part of the Populist Party’s platform? (1 point) tax breaks for farmers*** civil rights for all Americans higher tariffs on foreign goods increased industrial development 3. Whom did Rebecca Latimer Felton replace when she was appointed a
asked by James 
math
Two circles of radii 9cm and 13cm have their centres 15cm apart. Find the angle between the radii joining the centres to the points of intersection of the circles. Hence find the overlapping area between the two circles.  (Been struggling with this
asked by nicole 
History
Please Check: 1. Why did the Farmers’ Alliance form? a. To discuss political concerns and develop solutions b. To coordinate the crops grown by farmers in south Carolina c. Because the Grange did not address social concerns d. Because the Grange did not
asked by Blair 
Geometry
Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?
asked by Sue 
chemistry
calculate the pH of a 0.100M NH4Cl solution.
asked by amy 
Physics
Consider a sound wave in air that has displacement amplitude 0.1mm.calculate the pressure amplitude for frequensis of: 1) 500 Hz 2) 20,000 Hz
asked by Megha 
math
witch benchmark fraction could you use to estimate the product of 36 times 11/16
asked by Anna 
life orinteintion
propose six practical action that you can take to address human rights violations of xenophobia in community?
asked by syabonga 
math
a string of decorative lights is 28 feet long. The first light on the string is 16 inches from the plug if the lights on the string are space 4inches apart how many lights are there on the string
asked by khrishari 
language
Which underlined verb in the sentence is a linking verb? I think that Clarissa will be the winner of a gold medal because she has been skating for a long time and practices every day.
asked by rhianna 
Language Arts
Under a spreading chestnut tree which syllables are unstressed?
asked by Elena 
Physics
Gary and Elaine are competing as a team in an orienteering event. They follow instructions telling them to go 50 m [N], 75 m [NE] and 100 m [30o E of S]. a) Calculate the total distance travelled b) Draw a vector diagram to determine the resultant
asked by Tom 
life orientation
6 practical action that you can take to address human rights in violations of xenophobia in my community
asked by sphiwe mtshali 
Calculus
Evaluate the Riemann sum for (x) = x3 − 6x, for 0 ≤ x ≤ 3 with six subintervals, taking the sample points, xi, to be the right endpoint of each interval. Give three decimal places in your answer.
asked by nan 
sociology
how does social structure shape individual action?
asked by Kate 
Physics
Juliet sits on her balcony while Romeo serenades her from the ground, 7.00m below. To win Juliet’s affection, Romeo throws Juliet a bouquet of roses. At what velocity must the roses be thrown if they are to reach Juliet on the balcony?.
asked by Tom 
physics
An object of mass 10kg is drawn from height of 10cm. Find (g=10m/s) its kinetic energy on reading the ground.. Velocity before as it reaches the ground.
asked by pratheeksha 
insurance
of 500 employees a firm 280 have a life insurance policy, 400 have a medical insurance cover and 200 participate in both programmes. what is the probability that a randomly selected employee will be a participant in at least one of the two programs (ii)
asked by betty 
Physics
Suppose a 300–g kookaburra (a large kingfisher bird) picks up a 84.0–g snake and raises it 2.30 m from the ground to a branch. How much work did the bird do on the snake? I know that W=deltaPE, and PE=mgh. I keep getting 1046.64. Please help!
asked by Emily 
chem 12
for the equilibrium 2HI(g) H2(g) + I2 k eq = 8.0 2.0 mol of HI are placed in a 4.0 L container, and the system is allowed to reach equilibrium. Calculate the equilibrium concentration of all three gases. Inital 2HI 0.5mol/l H2 =0 I2=0 change 2HI= 2x
asked by George 
math
If y varies directly as the square root of x and y = 47 when x = 49, find y if x = 2401. (Round off your answer to the nearest hundredth.)
asked by luke 
Calculus
The particular solution of the differential equation dy/dt=2*y for which y(0) = 60 is y = 60e2t y = 60 e0.5t y = 59 + et y = 30et
asked by nan 
L.o
What are six practical actions that you can take to address human rights voilations of xenophobia in your community?
asked by Asanda 
calculus
water is being siphoned from a cylindrical tank of radius 10m into a rectangular tank whose base measures 20m by 15m. if the depth of the water in the cylindrical tank in decreasing at a rate of 2m/s, at what rate is the depth of the water increasing in
asked by Emily 
Biology
Define a protein kinase and explain its role in a signal transduction pathway. Then describe what can happen if an organism's cells experience abnormal protein kinase activity.
asked by nan 
Algebra
Suppose that the maximum weight that a certain type of rectangular beam can support varies inversely as its length and jointly as its width and the square of its height. Suppose also that a beam 6 inches wide, 2 inches high, and 12 feet long can support a
asked by Marie 
math
a clock has two hands that are 12cm and 15cm in length what is the distance of the tips when the hands are exactly at 2:00?
asked by cathrine 
World History NEED HELP KNOW MS.SUE
I need the following items ordered from least to greatest importance in ancient Chinese culture: Tea Silkmaking Blue and white porcelain Multiplication Table Gunpowder *Note: These are all things that were developed in the ancient Chinese culture.
asked by Aelia 
Pre calc
Give an example of an exponential function that has a range (3,infinity)
asked by S 
Math
A light house is 10 miles northeast of a dock. A ship leaves a dock at moon, and sails at a speed of 12 miles an hour. At what time will it be 8 miles from the lighthouse?
asked by Anonymous 
Math
Sam wants to find the height of a window in a nearby building but it is cloudy. Sam puts a mirror on the ground between himself and the building. He tilts it toward him so that when he is standing up he sees the reflection of the window. The base of the
asked by Ashley 
Math
A map's shows that every 5 inches on the map represents 200 miles of actual distance. Suppose the binstance between two cities on the map is 7 inches. What is the actual distance between the two cities? Write the rule you used to find the actual distance
asked by Hassanatu 
Biology
Multicellular organisms use a variety of communication methods to coordinate cell function. Choose ONE of the following examples below and describe the celltocell communication that occurs, and then describe the types of responses that result from this
asked by nan 
MAth
projectile is fired from the ground s=0 ft with initial speed of v=800 ft/sec at an angle of elevation 30 degrees State the vector function the projectile follow,projectile initial velocity vector,vector function,projectile speed function
asked by Sam 
Biology
Describe the G protein receptor system and the tyrosinekinase receptor system. Explain how these two systems are similar and how these two systems are different, in terms of structure and function please.
asked by nan 
English
Where is Romeo in act IV of Romeo and Juliet? He is hiding in Friar Lawrence's cell. He is in exile in Mantua. He is in exile in Verona. I don't know:/
asked by SkatingDJ 
Algebra 1
30 greater than or equal to 306x Solve each inequality .
asked by Ell 
Calculus
Find the specific solution of the differential equation dy/dx = 4y/x^2 with condition y(−4) = e. y equals negative 1 minus 4 divided by x y equals negative 1 times e raised to the 1 over x power y equals e raised to the negative 4 over x power None of
asked by nan 
Physics (Kinematics)
In the same instant that a Porsche races past him at 130 km/h, a speed cop gets off his motorcycle, accelerates uniformly at 8 m/s^2, to catch the speedster. After 5 seconds the trafic officer reaches his top speed, which he then maintains until he reaches
asked by Jonathan Nokhoya 
Science
If a cheetah runs 50 miles in 5 minutes how fast is it running?
asked by Anonymous 
Math and science
a rock has a mass of 3000 grams what is the mass in kilograms that's the question we need to know how to be converted or figure this question out in the layman's term
asked by Grace and dad 
Physics
a speeding car is driving at 120 km/h when it passes a police cruiser that is driving at 100 km/h. One second later, the police cruiser accelerates uniformly at 15 km/h until it reaches a speed of 135 km/h. how long does it take the police cruiser to catch
asked by John 
Math
Blanca had already taken 16 quizzes during past quarters, and she expects to have 1 quiz during each week of the quarter. How many weeks of school does Blanca have to attend this quarter before she will have taken a total of 22 quizzes?
asked by Anonymous 
physics
the speed of light is measured to be 1.50*10^8 m/s in a sucrose water solution. calculate the refractive index of the solution. \
asked by ayesha 
programming(visual basic)
Write and test a program that allows the user to enter the surname of each baby born at a hospital and their birth weight in pounds. There are 12 newborn babies at the hospital.
asked by ontlametse 
Math
Find the value of x for which x+9 x6 4 are the first three terms of a geometrical progression and calculate the fourth term of progression in each case
asked by Modhi 
maths
a pulley of 21 cm diameter and revolvinat at 1600 r.p.m Find out the speed of the belt running over it
asked by jonesh 
maths
2 equal cords AB and CD intersect at E.prove that arc AD=arcCB
asked by priya 
maths
if the radius and height of a cone both are increased by 10%. how much is the volume increased.
asked by priya 
biology
It was observed that due to poor nourishment the average weight of beetles reduced. If this continues in a number of generation, will this feature direct evolution? Explain
asked by pankaj 
Physics
Nicole is late for work. She jumps in her car and drives to work in 3.5 minutes. Her work place is 3.85 km away from her house. The speed limit between home and work is 50 km/hour. Is Nicole speeding?
asked by Tom 
Electrostatics
The test charge is 12 mm from Q1 and 20 mm from Q2. If Q1 has a relative charge of +4e and Q2 has a relative charge of +8e determine the magnitude and direction of the the result force acting on the test charge.
asked by Henok 
physics
At what height above Earth's surface is the gravitational acceleration reduced from its sealevel value by 0.20%? At what height above Earth's surface is the gravitational acceleration reduced from its sealevel value by 2.0%? At what height above Earth's
asked by lizbeth 
math
10 1/4 diameter pie area of 8 equal slices
asked by Anonymous 
L o
propose 6 practical action that you can take to address human rights violations of xenophobia in community ?
asked by syabonga 
Math
Amara's Blossoms sells roses in grups of 20. Across town, Ilsa's Blooms sell roses in groups of 5. If a customer wants to buy the same number of roses from both vendors, what is the smallest number of roses the customer will have to buy from each vendor?
asked by Anonymous 
Physics (Inside the atom)
A sample of radioactive isotope I is to be used for medical diagnosis of the kidneys. The isotope has a halflife of 8.0 days, and the sample is required to have an activity of 8 x 10^5 per second at the time it is given to the patient. Calculate the mass
asked by Hannah 
Math
The firemen's ladder is 39 feet long (L). The firemen set the base of the ladder 12 feet away from the building (d). When the firemen lean the ladder against the building, the top of the ladder reaches the third floor window. How high, in feet, is the
asked by Destiny 
bio
The frequency of an allele ‘a’ in a natural population is 0.49. What percentage of the population is homozygous for this allele? Calculate the exact value; do not round up or give an estimate. Answer in units of %.
asked by Bianca 
bio
A large population of laboratory animals has been bred randomly for a number of generations. There was an interesting revelation. The scientists noted that there was neither an increase nor a decrease in the frequency of animals displaying the recessive
asked by Bianca 
Physics
a 45kg box initially at rest is being pushed with a force of 950 N along a frictionless horizontal surface. What is the speed of the boz after traveling a distance of 2.0m
asked by Thea 
math
Zkya wants to buy a sweater that originally cost $35. It is on sale for 20% off. Sales tax is 6%. What is the final price of the sweater with tax? (Round final answer to the nearest cent)
asked by makayla 
Dynamics
A 45ft long conveyor is used to move boxes up to a second level. The belt speed is 150ft/min and the conveyor is inclined at 15 degrees. Boxes are dropped vertically onto the conveyor and have no horizontal speed. The static and dynamic coefficient of
asked by Bobby 
Microbiology
Assembly of enveloped viruses requires (membrane/matrix/receptor) to bring together the nucleocapsid and the envelope.
asked by Shannon 
Math
Fred walks a steady 3 2/3 miles per hour. The beach is 4 1/4 miles from his home. How long will it take fred to walk from his home to the beach and back home again???
asked by Kim 
economic
Erehwon is a country where the only products produced were A & B, over 3 years, 2013. 2014 & 2015. What was the Nominal GDP for 2013, 2014, & 2015? Using 2013 as your base year, what was the real GDP in 2014, & 2015? What was the GDP deflator for 2014?
asked by ali 
english
Can u help me pls. How to write busness latter.
asked by yhancy 
Chemistry
1. Oxygen (O2) is about 20% of our air, with about 80% nitrogen and a bunch of minor components. In Colorado Springs, where I grew up, the elevation is ~ 6500 feet and atmospheric pressure is only around 9 psi (vs. 14.7 psi at sea level). Under those
asked by Student 
math111
in a science class,65 student study physics while 40 study chemistry.if there are 93 student in the class,how many student study both physics and chemistry?
asked by james 
calculus
Find the point on the line –3x+4y–5=0 which is closest to the point (0–5)
asked by Taylor 
Math
A customer at a restaurant receives a bill for $43.20. The customer wants to leave a 15% tip
asked by Mary 
Math
Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?
asked by Sue 
Math
Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?
asked by Sue 
Geometry
Which is the formula for the surface area of a sphere with radius r? S=4πr2 S=2/3πr3 S=4/3πr3 S=2πr2 ~~My choice
asked by Jessica 
Math
Im stuck on these multiply choice questions for math. Please help. It's due tomorrow!! Question 1 Bob received a credit card statement that has a new balance of $786.75 and a minimum payment of $25.60. Bob makes only the minimum payment. He makes no other
asked by Leo 
Calculus
The slope of the tangent line to a curve at any point (x, y) on the curve is x/y. What is the equation of the curve if (4, 1) is a point on the curve? x2 − y2 = 15 x2 + y2 = 15 x + y = 15 xy = 15
asked by nan 
chemistry
my developing solvent is hexane toluene acetic acid(5:5:1)nd my samples rf nd impurity rf is very close,my spots r not separating properly,so which hexane should hav to be used?n hexane or hexane fraction?is only hexane affect or other factor is there?
asked by aparna 
Math
0.01 +0.05 simplify the expression.
asked by Anonymous 
Physics
Devise the series or parallel combination of 2 capacitances from the E6 series that gives the closest match to the capacitance 1.14 μF. Indicate the percentage error between the desired value and the value you obtain.
asked by Mike 
English
What are you woried about? 1. I'm worried about my looks. 2. I'm worried about my appearances. ============== Do we have to use the plural form or singular form for 'looks' and 'appearances'?
asked by rfvv 
Physics
Someone please help. A radio needs to be tuned to a range of values between 526.5  1606.5 kHz. Choose a combination of inductor and variable capacitor values within a tuned circuit that would meet this requirement. Choose practical components from
asked by Dan 
Trigonometry
5. Prove: Tan beta sin beta + cos beta = sec beta 6. Prove: ( tan y cos^2 y + sin^2 y)/ (sin y) = cos y+sin y 7. Prove (1+tan theta)/(1tan theta) = (sec^2+2tan theta) /(1tan^2 theta)
asked by Morgan 
Science
What are the main parts of the prefrontal cortex?
asked by Lana 
Math(linear equations)
A total amount of RM720 is divided among Anne,Banu and Chan.The amount of money received by Anne is twice the amount of money received by Banu.The amount of money received by Banu is RM80 less than the amount of money received by Chan.Find the amount of
asked by Agnes 
Math
john has 28 marbles and sue had 157 marbles, after each added the same amount, sue had 4 times more than john. how many did they each add?
asked by Greg 
English
Extending her arms over the leftfield wall, the baseball plummeted toward the fan, and she caught it cleanly on the fly before displaying the home run ball for all to see. Which of the following phrases is misplaced in the sentence above? A. Extending her
asked by ditta 
Solid mensuration
A wooden sphere 16 inches in diameter is placed on a table. The ball is cut horizontally 4in and 10in above the table surface. Find the surface area of the table remains after two cutting
asked by anonymous 
science
usefullness of volume in the 21st centuary
asked by nishi 
math
Three streets intersect with one another East Street runs horizontally North Street runs vertical and Fourth Street runs diagonally and intersects both what geometric figure did the three streets form
asked by bryce 
physics
a)find the charge to mass ratio for an electron accelerated through 600v in a magnetic field of strength 45mT where the speed of the electrons is 1.4*10^7m/s b)what is the percentage difference b/n your result and the accepted ratio with the value
asked by ruth 
Science
Copper plate is used as cathode but it cann't be used as anode during electrolysis of water, why?
asked by Unique 
maths
of 2 chords the 1 which is nearer to the centre is larger.proof
asked by priya 
math
elow is a function the represents the sales for tickets to battle of the Bands Phoenix Music Festival. Student council needs students to buy ticket early in order to book a venue. In order to do this they made a piece scale as follows, where x is the days
asked by dai Help Help! 
Algebra 1
3  X over 3 > 4 Solve for inequality . Thanks..
asked by Ell 
chemistry
Mg+2Hclmgcl2+h2 volume of h2=40ml Hcl is 6M what mass os h is obtained by addin excess hcl to 6m of magnesium
asked by suni bohr 
Math
Rick made $33000 last year he also made $3000 selling vases at craft shows.which part of rick income is fixed income?
asked by Cynthia 
math
Ares baked 30 cookies with 2 scoops of flour. How many scoops of flour does Ares need in order to bake 135 cookies? Assume the relationship is directly proportional.
asked by Anonymous 
PHYSICS
A CAR COVERED A DISTANCE OF 10m IN 5 s; ITS SPEED WILL BE?
asked by RUNALDO 
Question
which consume uses natural gas?? I just need a simple answer
asked by Help! 
Math
Two walls of a rectangle measures 9ft high and 15ft. Long. The other two walls are 8ft. high and 10ft. long. A gallon of paint will cover 440 sq. ft. of wall space. Is there enough paint to cover the walls?
asked by Sue 
Math
Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = 1/2
asked by MsHemmoPenguin 
Math
Quadratic equation of (x^24)^2(x^24)30=0
asked by Ghing 
Math
If I have all three sides of the triangle, how do I measure the height? The sides are 25, 24, 7.
asked by Anonymous 
Trig
The original screamer radius =100 feet rotated 1 deg per sec. The engg decided to make it scarier by making it rotate 18 deg per second. Write the new equation for the vertical position of a passenger on the screamer where the domain is now the time per
asked by skk 
math
In order to gain popularity amongst high school students the local coffee shop is delivering coffee to sell at lunch. Below is a function that represents the prices of coffee where t is the days since January 10th. Piecewise function c(t) = 2; 1
asked by dai 
physics
An object is placed (a) 6cm (b) 20cm from a thin convex lens of focal length 10cm. Determine the nature, position and magnification of the image in each case.
asked by ugochukwu 
Math
Blanca had already taken 16 quizzes during past quarters, and she expects to have 1 quiz during each week of the quarter. How many weeks of school does Blanca have to attend this quarter before she will have taken a total of 22 quizzes?
asked by Anonymous 
Math
900 people were surveyed on how they get to work in Dallas. Public Transportation 19% and Bikes 11%. How many people were surveyed that take public transportation and bikes?
asked by kaylee 
Math
What is the ratio of the total number of cookies Sol to the number of vanilla cookies sold?
asked by Kalasia 
physics
A binary star consists of two dense sphereaty masses of 10rest power 30 kg and 2 x 10rest power 30kg. Whose centres are 10rest power7km apart and which rotate togethe with angula velocity w about an axis which intersects a line joining their centres  show
asked by ugochukwu 
Algebra 2
How do I express a number like 27 ^2/3 as a rational number in its simplest form? 31 25.6 123 16 I keep getting 83/3 and that = 27.66
asked by Sandra 
Science
Copper plate is used as cathode but it isn't used as an anode, why?
asked by Dumi 
Math
Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1 point) m = –2 m = 2 m = 1/2 m = –1 I think it's A
asked by MsHemmoPenguin 
geometry
if the isosceles trapezoid is dilatede with a factor 0.5,what is the area of dialation in square yards?
asked by ali 
Algebra
Write an equation and solve. If 6 is added to twice a number,the result is 20.What are the numbers?
asked by Asia 
math
T(3ry)/(y^3+√r)=4 make r the subject if the equation
asked by Karim mustapha JANNI 
Chem
Difference between K, K+, and K−. The question asks to put them in order from smallest to largest in radius but I don't understand the difference from them in terms of radius since they are the same element
asked by Randy 
Math
Determine whether or not the given linear transformation is invertible. If it is invertible, compute its inverse. (If the transformation is not invertible, enter IMPOSSIBLE. Use theta for θ.) Tθ:R2→R2, the reflection of the plane in the line formed by
asked by Peter 
math
Tim walks 7 miles east and then 6 miles north. How far is Tim from his starting point? Round your answer to the nearest whole number if necessary.
asked by Anonymous 
math
Joey already owns 11 novels, and he can buy additional ones at the rate of 0.83 per dollar. How much money does Joey need to spend on his new novels in order to have a total of 94 novels in his collection?
asked by Anonymous 
Math
Choose the sign that makes this sentence true 7/9 2/3
asked by Anonymous 
Mathematics
The mean mark of Ruth in 8 test is 90.The mean mark of Carol is 85.What is the difference in marks scored by Ruth and Carol?
asked by Akil Ross 
Math
Miguel is 5'10" tall and cast a shadow that is 4"8" tall, a nearby tower cast a shadow that is 8"9". How tall is the tower?
asked by Ashley 
science
If a sheet of Tarpaulin (350gsm) 5m high 7m wide at a pitch of 45% with wind speed of 60mph what will be the upwards force (lift force)in Kg?
asked by sam 
Math
i am still having problem with getting answer to problem 2 divided by a number equals 3/4. i need help please
asked by Anonymous 
Social
Write Four diffences between evaporation and condensation
asked by Vineethsai 
Math
find the next three terms in each sequence 1. 3/4, 1 1/2, 2 1/4, 3,... 2. 7, 14, 21, 28,...
asked by Anonymous (Help ASAP) 
Algebra 2
G(x)=1/2(3^x1)7 What are the domain and range of the function?
asked by Sam Luke 
social studies
what is italy?
asked by keykat 
Physical science
What are photons
asked by Amkelwa 
Maths literary, Geography, History, sepedi, englis
Can I become meteorilogist among those subjects?
asked by Hephney 
Math
Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = 1/2 A?
asked by MsHemmoPenguin 
Linear Algebra
Find the 3x4 matrix associated with the derivative transformation D:P3→P2 with respect to B = { 1, x, x2, x3} and B' = {1, x, x2}.
asked by Peter 
Science
what volume will 5.00g of nitrous oxide gas occupy at 50 degree celcius and 4.00L?
asked by Dorothy May Puyat 
MATh
42/9+31/3 simplify... help please
asked by Anonymous 
math 4 th grader
16x7 help solve problem
asked by totie 
rosa
4 2/9+3 1/3 simplify... help please
asked by Anonymous 
math
2t^3t=54 find t
asked by Karim mustapha JANNI 
math
2 divided by what number equals 3/4
asked by Anonymous 
math
3746+7162=
asked by Anonymous