Questions Asked on
March 4, 2015

pshs
three balls are drawn successively from a box containing 6 red balls,4white balls and 5 blue balls. find the probability that tare hey drawn in the order red,white and blue if each ball is replaced?
asked by sagar 
Chemistry
Calculate the pOH of a 0.410 M Ba(OH) solution.
asked by Anonymous 
life orientation
compare in five ways the similarities and differences between funza lushaka and nsfas.
asked by mapata lina 
statistics/Help Please!!
In a sample of seven cars, each car was tested for nitrogenoxide emissions (in grams per mile) and the following results were obtained:0.18, 0.12, 0.05, 0.19, 0.18,0.13, 0.15. Assuming that this sample is representative of the cars in use, construct a 98%
asked by slomomo 
Astro
A newly discovered planet orbits a distant star with the same mass as the Sun at an average distance of 118 million kilometers. Its orbital eccentricity is 0.5. A.Find the planet's orbital period. B.Find the planet's nearest orbital distance from its star.
asked by Kat 
Physics
Bob starts spinning his hammer at a rate of 2.00 rad/s^2. At the same time, he starts running towards Jim at 4.00 m/s^2. The distance from the end of the hammer to Bob's elbow is 1.20 m. If Bob takes 3 seconds before he launches the hammer at Jim, what is
asked by Lisa 
Art
Engineering Empires 1) Which statement best describes the differences between architectural developments in Russian and Inca culture? :Russian architecture used few expensive materials; Inca architecture used plenty of gold. :Russian architecture was built
asked by TheLOUDEST_0430 
Math
Two complementary angles, A and B, have measures in the ratio of 7 to 23, respectively. What is the ratio of the measure of the complement of angle A to the measure of the complement of angle B? Express your answer as a common fraction.
asked by G 
statistics/normal distribution
Find the area of the shaded region.The graph to the right depicts IQ scores of Adults (85120), and those scores are normally distributed with a mean of 100 and a standard deviation of 15
asked by slomomo 
Pre ALGEBRA
Someone please help 2. You toss a coin 15 times. P(heads) 2/5 = • experimental; the result is found by repeating an experiment. **** • experimental; the result is based on the number of possible outcomes. • theoretical; the result is found by
asked by Oscar 
math
A rectangular tank measures 30cm by 15 cm by 20 cm. It contains water to a depth of 15 cm. How many metal cubes of edge 5 cm need to be placed in the water to raise the water level to the brim of the tank?
asked by bob 
Math
Karen collects 6/7 qt of rainwater. She uses 1/2 of the water to clean her bicycle and uses the remaining water equally for 3 houseplants. What volume of water does she use for each houseplant ?
asked by Anonymous 
english
Alberto's New Neighbors Alberto took one look at his new neighbours and knew that his life was going to get more difficult. He watched them arrive in their big, noisy car and watched them get out. There they were, two of them, as big and as noisy as their
asked by nana 
Statistics/Probability
Assume that women’s heights are normally distributed with a mean given by μ = 63.4 in, and a standard deviation given by σ = 2.3 in. (a) If 1 woman is randomly selected, find the probability that her height is less than 64 in. (b) If 43 women are
asked by slomomo 
Chemistry
Magnesium hydroxide, Mg(OH)2, found in milk of magnesia, has a solubility of 7.05 × 103 g L1 at 25 °C. Calculate Ksp for Mg(OH)2.
asked by Anonymous 
Chemistry
At 19.0°C, what is the fraction of collisions with energy equal to or greater than an activation energy of 151.0 kJ/mol? I got 1.06 which wasn't right
asked by Caroline 
Science
A generator transforms A. Potential energy into kinetic energy B. mechanical energy into electrical energy***** C. Magnetic energy into electrical energy D. Friction into electrical energy Electrical charges that are different A. Attracts each other**** B.
asked by BUBBLES 
science
Measuring the speed of light through gelatin using a laser
asked by Thomas 
math
When it is assembled, a flute is 28 inches long. The middle piece m is 5 inches less than twice as long as the first piece f. The last piece l is twothirds as long as the first piece. Find the length of each piece of the flute
asked by brenda 
Contemporary Child Day Care
Research shows that the ______ is an important factor in a child's development. A. quality of parenting and care the child receives from adults B. social status of the child's family C. type of preschool the child attends D. financial status of the child's
asked by jq 
chemistry
What is the equation that represents the reaction of esterification of crystal violet? Thanks
asked by irma 
math
Give that x is angle in the first quadrant such that 8sin 2x + 2cosx – 5 = 0 Find: cosx tanx
asked by kudu 
Language Arts
In The Diary of Anne Frank Act 1, what is one effect of wearing the yellow Star of David? A. It makes the wearers feel proud. B. It leads to a shortage of yellow cloth. C. It creates a strong sense of community. D. It sets apart the people who are Jewish.
asked by Izzy 
Calculus (Partial Derivatives)
A car dealer determines that if gasolineelectric hybrid automobiles are sold for x dollars apiece and the price of gasoline is y cents per gallon, then approximately H hybrid cars will be sold each year, where H(x,y)=6000−13x^(1/2)+2(0.1y+20)^(3/2). She
asked by Bill 
English *Answers Check*
What is acupuncture? 1 Acupuncture is one of the oldest, most commonly used medical procedures in the world. Originating in China more than 2,000 years ago, acupuncture began to become better known in the United States in 1971, when New York Times reporter
asked by Gia 
algebra
One phone company charges a fee of $1 and $.50 a minute. Another company charges a connection fee of $5 but only charges $.25 a minute How long is a phone call that costs the same with both companies? How much does it cost?
asked by Uahgs 
Art
which statement best describes how a seventeenth century european portrait (such as the mona lisa) differs from an ancient mexican portail (such as ballgame (?) performer ? a.Ancient Mexican portraits were usually oil paintings, while Europeans created
asked by NEED HELP QUICK 
math
A square tabletop is 5 feet long on each side. Kevin wants to tile the tabletop. how much tile does he need to cover the tabletop.
asked by Anonymous 
Physics
A driver of a car going 90 km/h suddenly sees the lights of a barrier 40.0 m ahead. It takes the driver 0.75 s to apply the brakes, and the average acceleration during braking is 10 m/s2. (a) Compute for the total displacement of the car to determine
asked by Leila 
Biology
1.Which of the following is a renewable resource? A.wind B.fossil fuel C.minerals (D.land) 2.The goal of is to use cells and tissues to treat human illnesses or injuries. A.clone therapy B.therapeutic cloning (C.reproductive cloning ) D.gene therapy
asked by Samantha 
Chemistry
how much heat is absorbed when 63.7 grams of water at 100 degrees Celsius is converted to steam at 100 degrees Celsius? I need help figuring out how to do this.
asked by Natalie 
Chemistry Dr. Bob222
For Cup C Mass of cup,water,stirrer: 55.15 Mass of sodium bicarbonate: 2.02g mass of citric acid: 0.77g total mass: 57.94g mass of cup,solution, stirrer after reaction: 57.64 difference (CO2): 0.30g Calculate the theoretical yield of carbon dioxide in the
asked by Jennie 
Religion
"The Ethics of Belief" by W.T Clifford. Write an essay that describes his attitude towards belief. Be sure to address the following issues: 1. why does Clifford say what we believe is not merely a private matter, but a moral issue? 2. What is morally
asked by Marie 
Calculus 1
Find an equation of the tangent line to the curve y = 6/(1+e^−x)at the point (0,3).
asked by TayB 
History
Which action by the National Assembly was inspired by Enlightenment ideals and the American Revolution? It added a Bill of Rights to the French constitution. It issued the Declaration of the Rights of Man. It set up a federal tax system based on income. It
asked by Sara 
Language Arts
Which sentence correctly uses a predicate pronoun as a subject complement? A.The last arrivals were joe and I. B.This year's soccer champions were Lana and me. C.The tribute deeply touched my brother and I. D.My boyfriend became my best friend Please help,
asked by Anonymous 
math
The directions for lemonade say to put 2 cups of the liquid concentrate into 1 gallon of water. If Olivia only wants to make 1 pint of lemonade, how many fluid ounces of concentrate should she use? Explain.
asked by Phillip 
curriculum development
the large windows , airy ceilings and pale woodwork in the Reggio Emilia classroom help to: a.create a feeling of home b.soothe the childrens without distraction of brigh colors c.lessen the distiction between outdoor and indoors d.reduce the cost to the
asked by siulaniperez 
algebra
A restaurant sells about 330 sandwiches each day at a price of $6 each. For each $0.25 decrease in price, 15 more sandwiches are sold per day. How much should the restaurant charge to maximize daily revenue? What is the maximum daily revenue?
asked by soff 
statistics
one bag contains 4 white balls,2 black balls.another bag contains 3 white balls 5 black balls.if one ball is drawn from each bag. find that a) both are white? b) both are black? c)one is white and one is black?
asked by sagar 
Chemistry Dr. Bob222
Ok, For Cup C Mass of cup,water,stirrer: 55.15 Mass of sodium bicarbonate: 2.02g mass of citric acid: 0.77g total mass: 57.94g mass of cup,solution, stirrer after reaction: 57.64 difference (CO2): 0.30g Part B: Limiting Reactants Plastic Cup C 7. Determine
asked by Jennie 
itt
f(x)=3x212x5 find x intercepts a. analyze the multiplicity at each intercept (where it crossed/touches the axis) determine the number of turning points find four more points to graph graph the parabola
asked by shan 
bautista creek
John has 4 cups filled with fruit juice.he said that he has a gallon of fruit juice.Is his statement reasonable? explain why or why not.
asked by angel 
calculus
differentiate y = 2^3x^2 read as two to the 3x squared power
asked by paula 
math
f(x)=(2x3) (gof)(x)=4x216x+18 g(x)...?
asked by kyle 
Physics
A mechanical device requires 420 J of work to do 230 J of work in lifting a crate. What is the efficiency of the device? I keep getting 0.5% am I right?
asked by Anonymous 
English *Answers Check*
am happy to join with you today in what will go down in history as the greatest demonstration for freedom in the history of our nation. 2 Five score years ago, a great American, in whose symbolic shadow we stand today, signed the Emancipation Proclamation.
asked by Gia 
Chemistry
5% hydrocholric acid in 30ml (1 fl oz)  how to dillute to make 200 ml of .01 M? I think i need to first fin concentration solute /amount of solution x 100 .05/30 x100 = .166 Then i get lost!
asked by Dan 
spanish 3
I need help understanding how to answer a question for example like Escribe el pronombre para este adjetivo y sustantivo. I'm having trobule understanding what it wants me to do and how do do it.
asked by sheri 
math
tow people begin walking from the same point at the same time. One walks due south at 3 mph and the other walks southeast at 4 mph. Approximately how far apart are the two after one hour walking?
asked by elmemo 
Introduction programing visual basic
break even analysis. suppose a certain product sells for a dollars per unit. then the revenue from selling x units of the product is ax dollars if the cost of producting each unit of the product is b dollars and the company has overhead cost of c dollars
asked by Caitlin 
english work
Over the past ten years more than two dozen athletes have died from the medical condition known as heatstroke. Heatstroke occurs when the body’s internal temperature becomes so elevated that its cooling system begins shutting down. Who is most at risk?
asked by Zhana 
Math
Person A starts walking SW froma point at a speed of 13m/s. Ten seconds later person B starts walking from the same point and travels east at 10m/s. After person B have been walking 30 seconds, approximately how far apart are the two?
asked by elmemo 
algebra
a rectangular prism has a length of 6 inches and a volume of 120 cubic inches. the length of this prism changed to 3 inches and the other dimensions stayed the same. What is the volume of the prism after the change
asked by Guest user 
physics
a parent pushes a kid on a swing, A) If the child on the swing rises 2m above the lowest point during each cycle, what is her speed at the lowest point of the swing? B)If the beginning of a cycle (2m above the lowest point) the child is given a push so
asked by chris 
Math
A ship sailing west toward shore, and there are tow ports on the horizon. The ports are 17 miles apart, and from the ship's vantage point, point A is 30 deg North of straight ahead and port B is 80 deg South of straight ahead. Approximately how much
asked by elmemo 
physics
7. A cart like the one we use in lab accelerates down a 20° incline (and since the wheels are smooth, ignore friction for now). Break the force of gravity into components (leave mass as m for now), find the cart’s acceleration, and determine how long it
asked by Ke 
Physics
3. Think about this pulling scenario: A 60 N force pulls three boxes across a surface with no friction. T1 is the tension force the rope on the left pulls with at both ends, and T2 is the force the rope on the right pulls with on both ends. (a) Draw
asked by Ke 
math
roy has 11 model cars that are all red or black. He has 3 more red cars than black cars. How many black cars does he have?
asked by Anonymous 
Math
I can't unscramble this. GONUENRIC It deals with Geometry.
asked by Jesse 
math
Select the sentence that is correctly completes the sentence below. to convert from a smaller unit
asked by kyle 
math
Solve this.. ◻ ➕ ◻ ➕ ◻=30 Fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15)
asked by sai 
physics
a bus is travelling on a horizontal road at a velocity of 126 km/h when the bus driver notices an object in the road. the brakes are applied and the bus is brought to rest over a distance of 150m. the frictional resistance is 2500n and the bus has a mass
asked by Enoch 
Novel
In chapter 13 of The True Confessions of Charlotte Doyle, why are the sailors hesitant about Charlotte taking Mr. Johnson's place on the crew?
asked by Nicole 
Math
1. Mailey mother brought her a pet hamster. She is keeping Montey, the hamster, in a box with a length of 8.3 in.,a width of 6in.,and a height of 5,25in. Mailey plans on covering Montey's box with contact paper. How many square inches of contact paper is
asked by Daisy 
auface area of solid shapes
The volume of a circular cone of base radius and height is given by v = 1/3. 22/7. r^2 .h make r the subject of the formular
asked by Zainab 
Geometry
A boat is looking at a plane 8000 ft in the air at a 40 degree angle from x feet away solve for x 6,713 ft 9,534 ft 10,443 ft 12,445
asked by Anonymous 
math
Nokia school day last 7 hours and 20 minutes how many minutes does Nikki's school day last explain how you found the answer
asked by Connie 
ss
how did reconstruction improve opportunities for African Americans in the south? a.many became wealthy business owners b.they could receive public education c.many became landowners d.they could vote freely without restriction i think its b
asked by bruh 
Calculus 1
The curve y =x/(sqrt(5−x^2)) is called a bulletnose curve. Find an equation of the tangent line to this curve at the point (2,2).
asked by TayB 
math
Critique Reasoning Alex decides that 21 divided by 3 = 7 is NOT a true equation. Is Alex correct? Explain
asked by Terry 
Math
Solve each system by using the elimination method. Make sure to write your answer in (x,y) form. 0.2x  0.5y = 27.8 0.3x + 0.4y = 68.7
asked by Brenna 
Calculus 1
Find an equation of the tangent line to the curve at the given point. y =(1+2x)^12, (0,1)
asked by TayB 
Social Studies
in order for a bill to become a law, is a unanimous decision required
asked by Student 
L.A.
In what ways is the use of descriptive language in the two poems similar?(oh captain my captain and the road not taken) A.Both use analogies to represent decisions the speakers made. B.Both use sorrowful images to communicate regret. C.Both use literal
asked by U.D. 
sorry one more ss question
why was president johnson's attempt at reconstruction unsuccessful? a.it was to harsh for the radical republicans b.it made reconstruction a very lengthy process c.it allowed confederate leaders to maintain power d.it excluded southern representatives from
asked by bruh 
math
Is sin function continuous?
asked by Mike 
Language Arts/ Reading
Ok my teacher told me i had good details in my body paragraphs. And to pull out specifics to put in my thesis. What does she mean by this?
asked by Anonymous 
Biology Ms sue
1.which of the following is a renewable resource? (A.wind) B.fossil fuels C.minerals D.land 2.The goal of is to use cells and tissues to treat human illnesses or injuries. A.clone (B.therapeutic cloning) C.reproductive D.gene therapy
asked by Samantha 
Science
What will the sound of speed be in air if temp is 10 degrees Celsius.this is crickets looking for e plantation on equation
asked by Lucy 
math
5*5 1/16=
asked by lee 
math
18*5 1/16=
asked by lee 
Chemistry
Please help! I have 30 ml bottle of 5% hydrocholric acid. Ned to dillute to make 200 ml of .01 M hydrocholric acid. I don't know how much of the bottle solution to add to how much distilled water to get 200 ml at .01 M
asked by Dan 
CHEMISTRY
HOW MANY MOLES OF SILVER IODIDE COULD BE PRODUCED IF THIS REACTION WAS STARTED WITH 4.3 MOL IODINE AND AN EXCESS OF SILVER?
asked by Shannon 
math
what is the function rule? x= 2, 1, 0, 1, 2 y= 9, 4, 1, 6, 11
asked by connectionsacademy124 
Chemistry
5.0x101 mg of NaCl is added to 0.100 L of a 1.4x102 M solution of Pb(NO3)2. Calculate the resulting equilibrium concentration of Pb2+ after mixing. Show all work.
asked by Ana 
History
Which best describes a similarity between the outcomes of the French and American revolutions? They brought about a return to absolute monarchy in both countries. They changed the world's ideas about how nations should be ruled. Both countries embraced
asked by Sara 
English
1. Hurry up, or there will be no seats left for us. 2. Hurry up, or there will be no seats that are left for us. 3. Hurry up, or there will be no seats that will be left for us.  Does #1 mean #2 or #3?
asked by rfvv 
Science
an aquatic plant known as elodea is shown in the image below. If you observe Elodea leaves over a period of several minutes, you see bubbles forming on the leaf surface that eventually break away and rise to the surface of the water. These bubbles form as
asked by Indigo Aivery 
Math Check
Are my answers correct? Tell whether the system is inconsistent OR dependent. 1.) 7x+6y=4 14x12y=8 2.) 3xy=7 6x+2y=8 My answers: 1.) inconsistent 2.) Dependent
asked by Brenna 
health
What are other factors that contribute to being overweight and obese besides diet and behavior? A. Environment and genetic factors B. Personality and temperament C. Participating in physical fitness and athletics D. Stop smoking and drinking alcohol 
asked by makala lindsey 
Stats
A pill weighs 100 mg, 8/9 of the pill is active ingrediant, how many milligrams are in the part of the pill that is not the active ingrediant?
asked by Alicia 
Physics
A 2.8 kg block is pushed a distance D = 9.8 meters at a constant velocity by a force F = 46 N at an angle A = 30. It takes 8.1 seconds to move the block. Friction can be ignored. What is the work done on the block by the force?
asked by Tevin 
math
how do you create of six values that does not represent a linear relation. All the yvalues must increase in value as x increase in value?
asked by d 
Algebra 1
f(x)=3x+1 What is f(3)? A. 10 B. 8 C. 8 D. 10 Is the answer B? Thanks
asked by Izzy 
Science
The density of ocean water depends on the depth because pressure compresses the water. If the density of ocean water at a depth of 10,000 m is 1.071 g/mL and if 25.0 g of water at that depth contains 190 mg of potassium chloride, what is the molar
asked by Zoey 
Physical science
i push a 500n box up an inclined plane that is 4 m long and 1.2 m high. what force is applied to push the box up the ramp?
asked by Kelly 
English
1. How does the fact that Anne tries to maintain a positive attitude affect the way readers view her? Please include textual evidence in your answer as well as what page number you found it on.
asked by Sahar 
Algebra 1
{3x+y=9 {3x+2y=12 What is the yvalue of the solution to this system of equations? A. 7 B. 3 C. 2 D. 1 I tried them all and I must have did something wrong because none of them worked. Help please!! Thanks.
asked by Izzy 
Math
Good day! Can anyone give links about the sum and product of roots of quadratic equation solving reallife problem involving similarity and proportion? I need it as soon as possible. The more links you'll give, the more I'll be grateful to you. Thanks!
asked by Cyrille 
guidance and dicipline
jack a boy who experience domestic violence hits katy because she will not share the swing on the playground. the teacher runs over katy to see is she was ok. what can the teacher say to help support jack anger over not getting a turn, yet teach him why he
asked by siulaniperez 
Math
Tricia travels 45 miles in one hour .at this rate,how long would it take her to travel 225 miles
asked by Raymond 
guidance and dicipline
Brent is exited because he was chose to pour the juice for snack . as he begins he spill all over the table the juice. Brent feels angry and throws the cup off the table, sits down and refuses to pour more juice . what is the most likely cause of Brent
asked by siulaniperez 
ITT
use the eight step strategy to graph f(x)=3x212x5 find the vertex find x and y intercepts determine the number of points to graph graph the parabola
asked by shan 
Chemistry
Consider the titration of 30.0 mL of 0.100 M NH3 with 0.150 M HCl. calculate the pH after the following volumes of titrant have been added:(a) 0mL (b) 10.0 mL (c) 19.5 mL (d) 20.0 mL (e) 20.5 mL (f) 30 mL
asked by Max 
math
If a tire is 68 inches around what would the radius of the tire be
asked by Beyonce Wallace 
math
A number of circles touch each ather. The area of the smallest circle is 4picm2 and each consecutive circle has area 9/4 times that of the previous one. If the distance AB=665/8. Line AB passes at the centre of the circles. How many circles are there?
asked by jay 
math
An antique clock takes 5.5 seconds to chime at 3 o'clock. How long does it take to chime at 9 o'clock ? 5.5/2= 2.75x8=22seconds
asked by Claire 
Health Information Tecnology
I have a project where I have to create an acute care record for a patient. Can you help with websites
asked by Gabby 
6th grade math
Use the scale 1/4 = 9 ft to represent a 27 ft square
asked by Raegan 
Statistics
. Given that x is a normal variable with mean m=110 and standard divation (r=12, find P(x=≤120
asked by Venita 
math
A number of circles touch each ather. The area of the smallest circle is 4picm2 and each consecutive circle has area 9/4 times that of the previous one. If the distance AB=665/8. Line AB passes at the centre of the circles. How many circles are there?
asked by jay 
Algebra
True or False and please explain so that I can understand. Thank you. 1. (1,0) is always a point on the graphy of y = logb (x). 2. If x=b^2y for b > 1, then y = 1/2 logb (x).
asked by Lily 
Question
Im thinking of taking French for one of my electives for high school. If i ever need help would any one, be able to help me? Thank you.
asked by anonymous 
curriculum development
_____ allows teachers to concentrate on the needs of each child. a. record keeping b. having parent teacher conferences c. taking photographs d.sending home report cards I chose A
asked by siulaniperez 
Physics
Please help me with this question How much work is done by a boy of mass 70kg who ran up a flight of 31steps each15m high. Take g=10m/s^2
asked by Cassandra 
Math 6th grade
Explain what a neutral field is.
asked by Zero 
Physics
Starting from rest, a 4kg block slides 10 m down a frictionless 30 degree incline. Determine the work done on the block by a) The force of gravity b) The normal force c) All of the forces (the net force) on the block d) Find the Kinetic energy of the
asked by Rachel 
curriculum development
A series of goals and objectives which identify desires behaviors for a child with disabilities is referred to as/an a. behavioral objectives b. IEP C IDEA d. public law I chose B
asked by siulaniperez 
Physics
A .5 kg football is thrown and reaches a stationary receiver with a speed of 15m/s. The receiver catches the ball and brings it to rest in .2 sec. a) What is the impulse delivered to the ball? b) What is the average force exerted on the receiver?
asked by Rachel 
Math (advice)
So in my calculus class we learned about implicit differentiation today. The professor would stop and ask if we had any questions, which was nice. I didn't ask any questions though, because I don't really like to ask questions during class. I didn't really
asked by TayB 
algebra
The Kwon family has a rainwater catchment system they use to water their garden. After 3 days without rain, the depth of water in the tanks is 63 inches. After 5 days, the depth is 57 inches. Write an equation in pointslope form describing the situation
asked by Devon 
science
a ball falls on a horizontal from a height h,if the coefficient of restitution be e,find the distance before it will stop
asked by arka 
Math
T'Mara knew that her trip would take about 7 hours. If she left at half past nine in the morning,around what time should she arrive
asked by Nana 
Physics
Calculate the energy released when 235 U fissions resulting in two lighter stable nuclei with mass numbers 140 and 93.Please help!
asked by William 
guidance and dicipline
a morally autonomous person is one who is kind to others because. a will be rewarded for being respecful b. has personal feelings of respect for others c. will have a negative consequences for not respecting others d. naturally learn the skills during the
asked by siulaniperez 
Chemistry
Help i am trying to plot data and then determine the best value of R. my data P(atm) 2.014,2.797,3.571,4.114 and V(L) 21.153,15.231,11930,10.355. there is more data but if I am given the process at starting place I would like to complete myself. thank you
asked by Marie 
life orientation
link between intrapersonal conflict and initiating relationship
asked by phumzile 
physics
Before starting this problem, review Conceptual Example 7. The force vector A has a magnitude of 97.0 newtons (N) and points due east. The force vector B has a magnitude of 107 N and points 71.4 ° north of east. Find the (a) magnitude and (b) direction of
asked by n 
Algebra 1 (PLEASE HURRY!!)
f(x)=3x+1 What is f(3)? A. 10 B. 8 C. 8 D. 10 Is the answer B? Thanks
asked by Izzy 
CHEMISTRY
How many grams of sulphuric acid (H2SO4) are needed to make 1.5L of a 1.5 molar solution? ~~~~~~~~ Here's my work so far: 1.5L x 1.5mol/L = 2.25molH2SO4 2.25mol H2SO4 x 98.09g H2SO4 / 1mol H2SO4 = 220.7025g H2SO4 I wanted to ask if my work is correct,
asked by Anonymous 
Chem
Copper(I) chloride has Ksp = 1.7 × 107. Calculate the molar solubility of copper(I) chloride in (a) 0.0858M HCl solution (b) 0.419 M HCl solution (c) 0.653 M CaCl2 solution
asked by Sandy 
Algebra 1 (PLEASE HURRY!!)
{3x+y=9 {3x+2y=12 What is the yvalue of the solution to this system of equations? A. 7 B. 3 C. 2 D. 1 I tried them all and I must have did something wrong because none of them worked. Help please!! Thanks.
asked by Izzy 
Chem  solubility
What is the molar solubility of Fe(OH)3 in water?
asked by Lindy 
chemistry
how many grams of CuSO4.5H2O is needed to prepare 0.01 M solution?
asked by Anonymous 
Science 8th Grade
Items of clothing rub against each other when they are in a clothes dryer. This can sometimes cause a person to feel a slight shock when he or she removes the clothes from the dryer. This is due to A. The dryer not being grounded B. Static Electricity ****
asked by * 
Physics
A rocket moves upward, starting from rest with an acceleration of 26.3 m/s2 for 5.43 s. It runs out of fuel at the end of the 5.43 s but does not stop. How high does it rise above the ground?
asked by Marley 
Math
What is the volume of a square glass window with a side length of 1 3/4 ft and a width of .08 ft?
asked by Makaila 
Math
Rachel planted a flower garden. She planted roses in 1/4 of the garden and 1/3 of the roses were pink. She planted tulips in 1/3 of the garden and 1/3 of the tulips were pink. How many roses were there in Rachel's garden?
asked by Anonymous 
math
rearrange the numbers in a 4 x 4 array so that each row column and diagonal equal 10 using numbers 14
asked by Anonymous 
immaculate college
FindA if (2sinA\2)squared=2
asked by Rachel 
MATH
Please I need help with a fraction word problem. Peter and Eric bought a large pizza that has 12 slices. John and Eric ate all the pizza. If John ate 4/6 slices, how much did Eric eat? Who ate more pizza? My answer is Eric ate 4/12 of the pizza and John
asked by Beth 
trig equations
Find all solutions (if they exist)for the given equation on the interval [0,2pi) cos^2x5sinx+5=0
asked by Elan 
3rd garde math
seth bikes 3 miles in 10 minutes and 30 miles in 100 minutes. How many miles does seth bike in 1000 minutes
asked by Anonymous 
math
May Ling borrowed $2500.00 for vehicle repairs from her parents. She agreed to pay back the loan plus 7.5% simple interest on the $2500 added on in equal monthly payments over the next 6 months. a) How much interest will May Ling have to pay? [2 marks]
asked by alyssa 
math 11
Paula lent Ned $1200 to help him pay for a mountain bike that he desperately wants. She charged him 8%/a simple interest, payable weekly. Ned paid back the loan plus interest, in equal payments over 20 weeks. a) How much interest will Ned have to pay? [2
asked by alyssa 
Chemistry
After 62.0 min, 11.0% of a compound has decomposed. What is the halflife of this reaction assuming firstorder kinetics?
asked by Alessia 
mathematics function
find a nonlinear function f(x) which is monotonically decreasing on [0,5]
asked by lee yong 
higher school
determine the fishers' ideal price index formular from both the laspeyre and paasche price indices formular
asked by veronica 
Chemistry
Name three properties of metal for which metallic bonds are responsible
asked by Kris 
physics
Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 5.00 cm and b = 23.0 cm. (Indicate the direction with the sign of your answer. Assume that the positive direction is counterclockwise.) f1=
asked by alba 
Physics
Energy Budget for a Rocket in Free Space: Recall the analysis of the rocket engine in Project I, Flight of the Rocket. Although the momentum of the rocket and its exhaust is conserved (constant), their energy is not; energy must be supplied by the
asked by Steve 
math
How many square on a chess board? How to find out it? Please explain....
asked by Pradeep 
Physics
A construction crane's cable lifts a 59.5kg box upward with an acceleration of 1.38 m/s^2. Find the tension in the rope. 501.585 is incorrect.
asked by Reina 
physics
A man opens a 1.19m wide door by pushing on it with a force of 54.5 N directed perpendicular to its surface. (a) What magnitude torque does he apply about an axis through the hinges if the force is applied at the center of the door? ___N · m (b) What
asked by Reina 
Geometry
1. If triangles EIO = UAN, EI = 3x4, IO = 2x+5, UA = 2x+3 and UN = 3x+1, solve for the value of x, find the perimeter of triangle UAN and identify the smallest angle in triangle EIO. 2. If triangle FAT is equal to triangle GRC, FA = 24cm and the ratio of
asked by Lily 
math
Solve it... [ ] [ ] [ ] = 30 fill the brackets using below numbers ( 1, 3, 5, 7, 9, 11, 13,15 ) you can repeat the numbers... Please help me! Many more people unsucceed to solve it
asked by Pradeep 
Physics
A worker applies a torque to a nut with a wrench 0.430 m long. Because of the cramped space, she must exert a force upward at an angle of 59.5° with respect to a line from the nut through the end of the wrench. If the force she exerts has magnitude 81.0
asked by Reina 
physics
A radio station is broadcasting at 90.7 mhz. compute for its wavelength in angstrom and energy in kilojoules.
asked by snez taba 
general maths
Solve it... [ ] + [ ] + [ ] = 30 fill the brackets using below numbers ( 1, 3, 5, 7, 9, 11, 13,15 ) you can repeat the numbers... Please help me! Many more people unsucceed to solve it
asked by Pradeep 
guidance and dicipline
ms wigg find that a two year old billy is throwing a tantrum because james will not share his tricycle with him. billy tantrum is likely due to his immaturity and a. physical immaturity b. cognetive immaturity c. undeveloped communication ability d.
asked by siulaniperez 
Algebra difference quotient
I am doing difference quotient. I am to write the difference quotient in simplistic form. I am having trouble on the simplifying. f(x) = 2x3/4 The answer I got for this one is h3/2h, provided h does not = 0. I wasn't sure on the simplifying at the end.
asked by Hutch 
Precalc+trig
Solve tan(40/90) for the double angle cos(2theta). I know I use the x^2 + y^2 = r^2 formula and cos(2theta) = cos^2theta  sin^2theta. But I don't understand my answer
asked by Anna 
math
which sets of ordered pairs represents a linear relationship? if the relationship is linear, calculate the rate of change of the dependent variable. 1. (2,4),(1,1),(0,0),(1,1),(2,4),(3,9) 2. (5,13),(6,15),(7,17),(8,19),(9,21),(10,23) 3.
asked by dana 
math
For the following scenario, develop an equation and a set of 5 ordered pairs for equation: 1. the amount a sales person earns is a flat rate plus commission. 2. the volume of fuel in a snowmobiles tank related the distance travelled. 3. the cost of a hotel
asked by tj 
math
Two towns P and Q are 400 km apart. A bus left for P and Q. It stopped at Q for one hour and then started the return to P. one hour after the departure of the bus from P, a trail also heading for Q left P. the trailer met the returning bus ¾ of the way
asked by kudu 
guidance and dicipline
ms wigg find that a two year old billy is throwing a tantrum because james will not share his tricycle with him. billy tantrum is likely due to his immaturity and a. physical immaturity b. cognetive immaturity c. undeveloped communication ability d.
asked by siulaniperez 
Math
Can anyone help me find links or sites about sum and product of the roots of quadratic equation solving real life problem involving similarity and proportion?
asked by Cyrille 
Math
Can someone please help. How log will it take you to save $100,000 if you start saving 1597 every 3 months starting today? Assume and interest rate of 6% compounded quarterly. Business Calculator py/cy= 4 I=6% fv= 100,000 1597= PMT BGN is on
asked by Ray 
Statistics Help
Express the confidence interval (0.024, 0.112) in the form of phat – E < p < phat + E = __< p < __ I don't understand how to perform this formula. Please help I am about to graduate and this is my last class, and I am struggling as I only know basic
asked by slomomo 
physics
4.) A 8.0 kilogram physics textbook experiences an applied force of 28.0 Newtons for 2.6 seconds. The resulting acceleration is 3.50 m/s2. Determine the change in the momentum of the book.
asked by Melissa 
biochemistry
How to prepare 2L of 5.5M HCL solutions from scratch
asked by Jack 
chemistry
the vapor pressure of carbon sulfide is 355.6 torr at 25 degrees Celsius. what is the vapor pressure of a solution prepared by dissolving 12.52 g naphthalene (C10H8, 128.2 g/mol) in 125.0 mL CS2 liquid (76.14 g/mol, 1.261 g/mL)? Assume the solution obeys
asked by alexis 
physics
In a relay race, each contestant runs a distance 25.7m while carrying an egg balanced on a spoon, turns around, and comes back to the starting point. Jenny runs the first distance 25.7m in a time t1 = 20.0s . On the return trip she is more confident and
asked by Kikobay 
american Literature
ample most nearly means __________. A. spacious B. concrete C. metallic D. imaginary help
asked by jimm 
curriculum development
the behaviorist approach is base on the law of a.Vygotsky b.operant conditioning c.Piaget d.trust vs mistrust I chose B
asked by siulaniperez 
Algebra
solve each formula for the indicated variable. A) a= v/t for v=? B) pe= mgh for g=? C) p= 2(l+w) for w=? D) d= a+abc for c=? i need help please.
asked by Finn 
critique reasoning
Alex decides that 21 divided by 3=7 is NOT a true equation. Is Alex correct? Explain
asked by Terry 
curriculum development
katie is two years old it is probable that she can a. flex her leg and kick the ball b. push against the ball but not really kick it c. kick the ball with a straigh leg d. kick a ball and have an arm opposition I chose C
asked by siulaniperez 
phy
calculate the work done on the system when 1.00mol of gas held behind a piston expands irreversibly from a volume of 1.00dm cube to a volume of 10.0dm cube against an external pressure of 1.00 bar
asked by bb 
Science
does water evaporating take away or add heat to the wet bulb?
asked by Daniela 
L.A
In The Diary of Anne Frank, Act 1, what is one effect of wearing the yellow star of David? A. It makes wearers feel proud. B. It leads to a shortage of yellow cloth. C. It creates a strong sense of community. D. It sets apart the people who are Jewish. Is
asked by Anonymous 
life orientation
show the link between intrapersonal conflict and initiating relationship
asked by Reneilwe 
american Literature
“Napoleon was nearly three times as long on the great field of human action?” could you explain to me what this means
asked by jimm 
math
A number of circles touch each ather. The area of the smallest circle is 4n cm^2 and each consecutive circle has area 9/4 times that of the previous one. If the distance AB=665/8. Line AB passes at the centre of the circles. How many circles are there?
asked by kamo 
linear(hw check)
determine if v1= [ 2 1 0] v2=[ 1 1 3] v3=[ 0 1 6] spans the vector space of rows with three real entries which has dimension 3. so I wanted to make sure I did this correct. First I created a matrix with v1,v2,v3 as the columns (so for example column 1= 2
asked by kirsten 
geography
What is in the middle of the sky?
asked by kaycee lee 
earth
what is 15 times 12
asked by sam 
MATH
I need help with a word problem. How many halves are there in twofifths? 2/5 ÷ 1/2 = 4/5, so there are 2 halves is this correct
asked by Beth 
curriculum development
the belief that childrens learn adult like behavior by modeling what they see and by having their behavior reinforced is a theory of a.Bandura b.Piaget C.Skinner D. Freud I chose C
asked by siulaniperez 
L,A
In The Diary of Anne Frank, Act 1, what causes the Franks and the Van Daans to move into the rooms on the top floor of the warehouse? A. Their own homes have been destroyed by bombs. B. They are hiding from the Nazis, who have been persecuting Jews. C. The
asked by Anonymous 
marketing principles and information technology
the 4ps of marketing are?
asked by julie 
curriculum development
katie is two years old it is probable that she can a. flex her leg and kick the ball b. push against the ball but not really kick it c. kick the ball with a straigh leg d. kick a ball and have an arm opposition I chose A
asked by siulaniperez 
math
Is the only way to check if a set of vectors are linearly indep. is if the det does not equal 0? I have a problem where v1= [1;2;1;1] v2=[0;2;1;1] v3=[3 1 0 2] but this creates a 3X4 matrix and you can't find the det of this. I am really confused! thanks
asked by kirsten 
Math Check
Hi! Can someone check my answers? Thanks! Directions: Solve each system by using the elimination method. Make sure to write your answer in (x,y) form. 1.) 3x5y=2 2x+5y=13 2.) 3x+11y=4 2x5y=9 My answers: 1.) (3,7/5) 2.) (17,5)
asked by Heather 
math
Garden is 10 1/4 ft long and 6 ft wide, what is the total area?
asked by jaquan 
Math Help
Are my answers correct? Tell whether the system is inconsistent OR dependent. 1.) 7x+6y=4 14x12y=8 2.) 3xy=7 6x+2y=8 My answers: 1.) inconsistent 2.) Dependent
asked by Brenna 
Math
One and seven eights is close to______ inches A.1. B. 2. C. 3
asked by Pinkie 
math
Find D Varation Of D Following Number 2,4,6,8,10,10,12
asked by Anonymous 
Physics
A baseball player with a mass of 79 kg slides into homeplate. The coefficient of kinetic friction between the player and the ground is μk = 0.632. If the player comes to rest after 1.04 s, what is his initial speed?
asked by danny 
Introduction programing visual basic
break even analysis. suppose a certain product sells for a dollars per unit. then the revenue from selling x units of the product is ax dollars if the cost of producting each unit of the product is b dollars and the company has overhead cost of c dollars
asked by Caitlin 
Calculus Physics
A glass of orange juice is on the floor of a subway car traveling along a straight path at constant velocity. Everything's fine. The coefficient of static friction between the glass and the floor is 0.32. The subway suddenly accelerates forward. What is
asked by Mik 
Chemistry
Calculate the pH of a buffer that is 0.130M in NaHCO3 and 0.295M in Na2CO3
asked by Michael 
math
Find the equation of the circle with center on the line x2y+2=0 and which touchesboth positivex and positive y axes.
asked by Anonymous 
Art Help Please!
Why might a college choose to use Greek architectural elements such as columns when designing the central building on campus? A. Greek architecture symbolizes the pursuit of peace and love. B. Greek architecture symbolizes the pursuit of truth and
asked by Anonymous 
Religion
One of the thorniest issues in the philosophy of religion is the problem of evil. Explaining the problem is simple enough: How can one reconcile the existence of a God who is good and omniscient in light of how much suffering there is in the world? But
asked by Linda 
Chemistry
what is the PH of a solution of .1 M NAN3 that disassociates into HN3
asked by Molly 
Algebra
Given l3 is parallel to l4, if l4 has no slope, find the equation of l3 if (5,3) lies on l3. my work: L3: y=mx+b L3: y=0(5)3 y=3 What did I do wrong??
asked by Anonymous 
algebra
Nine less than the product of 20 and Mabel's height
asked by unnow n 
Algebra
Given: g(x) = 3/5x + 1/2. Find: when g(x) = 8 My work: 3/5x + 1/2 = 8 6x + 5 = 80 6x = 75 x = 75/6 x = 25/2 What did I do wrong??
asked by Anonymous 
math
Solve this.. ◻ ➕ ◻ ➕ ◻=30 Fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15)
asked by sharon 
Algebra
If you got paid $15 for 3 hours of work one day and $45 for 8 hours work on another day. Find your hourly rate of pay for the 2 days. My work: 15+45=60 8+3=11 60/11=5.45 What was done wrong?
asked by Anonymous 
math
the first term of the arithmetic sequence is 37 and the second term is39 what is the smallest positive term of the sequence?
asked by Ola 
math
the first term of the arithmetic sequence is 37 and the second term is30 what is the smallest positive term of the sequence?
asked by Ola 
math
develop an equation and a set of 5 ordered pairs for equation: 1. the amount a sales person earns is a flat rate plus commission. 2. the volume of fuel in a snowmobiles tank related the distance travelled. 3. the cost of a hotel room is a flat fee plus a
asked by tj