Questions Asked on
February 16, 2017

Chemistry
Which of the following statements cannot be assumed for the vapourization of a liquid? A)Enthalpy is positive B)Entropy is postive C)Temperature (in degrees Celcius) is positive D)They are all true
asked by Sarah 
Math
Beth has 1/4 bag of candy. She ate 1/2 of the candy. What fraction of the whole bag is leftover.? I say 7/8, she ate 1/2 of 1/4 which is 1/8, there are 8/8's in a WHOLE BAG... subtract the 1/8 she ate and there are 7/8 left. The question Asks what fraction
asked by Mrs. Terry 
ELA
Based on context clues, what is the meaning of deemed in the following sentence? The teacher deemed it necessary that all students turn in their reports before vacation, or they would receive half credit. • voted • ruled • (decided) • clarified
asked by Help I need somebody not just anybody 
math
Mary has rehearsed her ballet solo for five and a half hours. A week from now, she wants to have rehearsed at least a total of nineteen and a half hours. If she rehearses for the same amount of time each day for the next 7 days, at least how many hours
asked by larissa 
Structures/Engineering
Design for flexure a simple beam 14 ft in length and having a total uniformly distributed dead load of 13.2 kips and a total uniformly distributed live load of 26.4 kips.
asked by Dib 
Physics  Calculating work required
Two equipotential surfaces are shown. If Va = 5V and Vb = 15V, find the work needed to move a 2μC charge from A to B along the indicated path.  First of all, does the path of the charge going from A to B matter or can I just calculate using the
asked by Kid 
physics
A uniform rectangular marble slab is 3.4m and 2.0m wide.it has a mass of 180kg.its originally lying on surface flat ground with It's 3.4m*2.0m surface facing up.How much work is needed to stand it on It's short end?(hint,think about its centre of gravity)
asked by sarah Basheer zubair 
Physics
A pickup truck is carrying a toolbox, but the rear gate of the truck is missing, so the box will slide out if it is set moving. The coefficients of kinetic and static friction between the box and the bed of the truck are 0.340 and 0.750, respectively.
asked by Braum 
Math
A positive integer is 2 less than another. If the sum of the reciprocal of the smaller and twice the reciprocal of the larger is 5/12, then find the two integers. algebraic expression is: 1/n2 + (2)1/n = 5/12
asked by Sandy 
Physics
Which of the following properties can be used to measure temperature?
asked by Anna 
algebra
f(x)=3x^22 and g(x)=e^2x find g o f(x)
asked by chipo 
algebra
Sagar and akash run 2km race twice.Akash completed the first round 2 minutes earlier than Sagar.In second round Sagar increased his speed by 2 km/h.Sagar finished 2 minutes earlier than Akash.Find their speed running first round.
asked by saurabh 
pre algebra
Which function rule represents the data in the table? x32101 y125811 The answer choices are 1. y=3x8 2. y= 1/3x8 3. y= 1/3x+8 4. y= 3x+8 Please state the answer and how you got it. I want to be able to do this on my own in the future.
asked by olay 
math
perimeter of a rectangle is 10 times the width. The length is 9 metres more than the width.Find the width of the rectangle.
asked by sa 
Math  Calculus
f(x) = { x^2sin(1/x), if x =/= 0 0, if x=0} a. find lim(x>0)f(x) and show that f(x) is continuous at x=0. b, find f'(0) using the definition of the derivative at x=0: f'(x)=lim(x>0) (f(x)f(0)/x) c. Show that lim(x>0)f'(x) does not exist. In particular,
asked by Anonymous 
physical science
A 15kg piece of mass suspended from a hook in the ceiling is pulled aside by a horizontal string until the supporting string makes an angle of 30 with the vertical .draw a vector diagram showing all the force acting on the piece of mass
asked by Veronica molapo 
Math
(x1)/2+(x2)/2+(x3)/2+...(x100)/2=...
asked by Dona 
maths
A school is organising a pen holder making competition using cardboard, if the pen holder is in the shape of a cylinder having base of diameter 28 cm and height 60 cm .If there are 35 competitors, then how much cardboard is required?
asked by none 
P4 naths
Three times a number is greater than half that number by 10. Find the number. Somebody pls help me on this...
asked by Zapata 
Math
In a form of 30 girls, 18 play netball and 14 play hockey, whilst 5 play neither. Find the number of those who play both netball and hockey?
asked by Erastus 
fluid
1. A vertical seawater lock is 4m wide and 2m high. The water level is 2 m above the base of the lock on one side, there being no water on the other side. The mass of the lock is 2.5 t and the coefficient of friction between the lock and the slides is
asked by sam 
SCIENCE
CO+H2O >CO2+H2 IN THIS REACTION HOW TO I HAVE TO CANAVART CARBONIC ACID?
asked by manjanagouda.patil 
art
Match the following. 1. presence suggested by the light in Leonardo da Vinci's paintings The Last Supper 2. painting that displays chiaroscuro shadows 3. important element in chiaroscuro painting Virgin of the Rocks 4. da Vinci's favorite composition La
asked by cora 
Math
The functions of f(x), g(x), and h(x) are defined below: f(x) = 2x g(x) = 2x + 5 h(x) = x^2 + 3x  10 Calculate the indicated function values. 1. f(a+b) 2. f(g(x))
asked by Sam 
math
solve for x in the following. (a) 3/4x+5/6x=5x125/3 (b) 2(3x7)+4(3x+2)=6(5x+9)+3
asked by ayno 
Government
Karl Marx introduced liberalism in one of his communists manifestos. How does Liberalism handle the war on terrorism today? Is liberalism the better approach to terrorism or could conservatism have a more meaningful approach? If so,why? In my opinion, I
asked by Hunter 
Algebra
Find three consecutive odd integers such that the sum of 4 times the largest is 191
asked by Dee 
math statistic
One of your friends knows that you are taking Advanced Placement Statistics and asks for your help wither Chemistry lab report. She has come up with five measurements of the melting point of a compound: 122.4, 121.8, 122.0, 123.0, and 122.3 degrees
asked by rhinechilde 
science
weather maps use isobar lines to show weather conditions. what is indicated by this?
asked by help me 
Math
7.) Old McDonald wants to build a fence around his farm. If the area of his farmland is 400 square meters, what would the perimeter of the fence be? 200 feet 20 feet 40 feet 80 feet(my answer) 8.) 8) A square has an area of 29 square units. Which is the
asked by 123bruh 
science
what causes clouds to form?
asked by Sarah 
S S PLEASE HELP PLEASE
Some Polynesian islands are ringshaped coral islands that surround a body of water, or (1 point) • copra. • coral. • atolls. • plates. 2. In the mid1800s, what event played a part in the large increase in British immigration to Australia? (1
asked by foxiecold 
math
What is the standard deviation of the following test scores? Round your answer to the nearest hundredth. 82, 76, 93, 82, 73, 80
asked by qui 
science
10. Which of the following is an effect of global warming? A) increased drought B) falling sea levels C) decreased coastal flooding D) glacier spreading
asked by help me 
USG
federal district judges generally represent the values and attitudes of the states that they serve. how can a president assure that an appointee meets this criterion?
asked by grant 
ed tech HELP PLS
why is it important to take responsibility for your online publications? a. What you post can hurt or slander others*** b. people will know who the author is c. your parents need to see what you post d. what you post is important for your grade
asked by Ali 
math
there are 20 students in mark`s homeroom class. Ten percent of the students in marks homeroom class are also in art class He finds the number of students in his homeroom class who are also in art class like this . Can you tell me the answer of how many
asked by richard 
Physics
How meny watts need to up the 18kg in 4mtr per 15 second
asked by Shamsu tractor 
science
What can people do to reduce global warming?
asked by Sarah 
Math
From the top of a tower,the angle of depression of a boat is 30degree if the tower is 20cm high how far is the boat from the foot of the tower
asked by Ashifola Davido 
Math
What operation do I use to solve this problem? Ed's car can travel 93.5 miles on 4.25 gallons of gas. How far can the car travel on 1 gallon of gas?
asked by Mysterious Beauty 
Algebra
For this question I answered part A. But I am lost on what I am suppose to do for question B. Given d varies jointly as r and the square of s and inversely as t and d =8 when r=3, s=2, and t=6. A. What is the constant of proportionality? Show your work.
asked by Ebony 
Science and Hurry!
What causes land breeze and sea breeze? A) The differential heating of land and sea by the Sun results in the movement of air. B) Hot air from the sea blows over the land because there is a high pressure area over the sea. C) Cold air blows from the land
asked by JT 
Physics
1) Imagine you were to walk 12 km 25 degrees North of East. If you could only walk south and west to get back to the point that you started from, how far would you have to walk? 2) An airplane has a velocity of 70 m/s [50 degrees W of N] with respect to
asked by Josh 
Math(Please help!)
1. How do the graphs of y=1/x and y=5/(x+6) compare? I need steps because I want to be able to do these type of problems. Thank you!
asked by Olivia N J 
Science and Hurry!
How do ocean currents influence the climate of a place? A) They transport heat over large distances, affecting the wind that blows over the land. B) They bring cold water from the poles, reducing the temperatures along the coasts. C) They draw out moisture
asked by JT 
Earth Science
Slide 1 This is a cumulus cloud. Can you find four things on the word list that you can use to describe this cloud. Cumulus clouds consists of puffy tops, no rain expected, 3,000 ft. high, and flat bottoms. Slide 2 This is an example of towering cumulus
asked by Sam 
maths
triangleabcand triangle dcb are right angled at a and d respectively and ac=db.prove that triangle abc is comruent to traingle dcb
asked by suhana 
Science and Hurry!
The Gulf Stream current shown here makes the waters of the North Atlantic A) warmer. B) cooler. C) more dense. D) less nutrient rich.
asked by JT 
Chemistry
Give the oxidation state for the metal ion in each of the following compounds, respectively: K2O,CaO,TiO2,V2O5
asked by Diana 
s.s
what kind of government does canada have? A) absolute monarchy B) communist C) representative democracy D) parliamentary democracy
asked by kakashi hatake 
urgent math help plz !!
The angle θ lies in Quadrant II . sinθ=34 What is cosθ ? −7√/4 7√/4 3/4 −3/4
asked by sam 
s.s
what was one important political result of the canada constitution of 1982? A) quebec became an independent nation B) english became the official language of canada C) canada became completely independent D) a monarchy was established in canada
asked by kakashi hatake 
Physics (Magnetism)
In an experiment on the shuttle, an electron with a speed of 6.3 x 105 m/s [N] and a mass of 9.11 x 1031 kg is shot through an external magnetic field. Determine the strength and orientation of the magnetic field required so that the electron's direction
asked by Kim Tuan 
math
Write a function that represents the situation. Find the balance A in the account after the given time period t . $2000 deposit that earns 5% annual interest compounded quarterly; 5 years
asked by Macey 
Science
What does the HertzsprungRussell Diagram NOT plot? A. temperature and mass B. spectral class and absolute magnitude C. absolute magnitude and luminosity D. spectral class and temperature Is it B?
asked by Dactyl 
Social Studies
(please help i need it now.) Where do most people in Southwest Asia live? A) in cities B) in rural river valleys C) in the mountains D) in desert interiors PLEASEEEE help me Mrs. Sue :)
asked by Kiana 
math
Which set of ordered pairs has point symmetry with respect to the origin (0, 0)? (9, 2), (9, 2) (9, 2), (9, 2) (9, 2), (9, 2) (9, 2), (2, 9)
asked by emily 
History
According to the quotation, why does Stevens believe that Johnson should be removed from office?
asked by MarieGrande 
Social Studies
Which physical feature covers most of arabia? A) The Empty Quarter?** B) The Fertile Crescent? C) The Zagros Mountains? D) The Persian Golf? i think it might be A? but I'm not sure, if you could just check this out that'd be great =)
asked by Kiana 
physics
A 22.0 kg box is sliding down on an incline set at (44) degrees up from horizontal. The coefficient of kinetic friction between the box and the incline is (.27). Find the acceleration of the box. Give your answer in m/s2 and with 3 significant figures.
asked by dalia 
history
How did the development of a written language change feudal China?
asked by coolgirl 
Math
1. All real numbers that are less than 3 or greater than or equal to 5 A. x
asked by EmberShy 
math
If the area of parallelogram ABCD = 246 mm2 and h = 20.5 mm, what is the length of the base of triangle ABD?. the answers are a)12mm b)24mm c)123mm d) not enough info
asked by unknown 
math
Mike's age right now is exactly 3 times his age 3 years hence minus 3 times his age 3 years ago. How old is Mike right now?
asked by kim 
Math (Algebra 2)
Ann and Tom want to establish a fund for their grandson's college education. What lump sum must they deposit at a 9.39% annual interest rate, compounded annually, in order to have $20,000 in the fund at the end of 10 years? I cannot get
asked by John 
math
Find the height of a triangle with area = 110 ft2 and base = 10 ft. answers are a)5.5 ft b)22 ft c)550 ft d)11 ft
asked by unknown 
Math  Sequences
Could someone help me with this question?? What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15? A. 15, 30, 45, 60 B. 15, 16.5, 18, 19.5 C. 15, 22.5, 33.75, 50.625 D. None of the above
asked by Amber 
math
Sam charges a $5 travel fee and then $3.25 per hour for labor. How many hours will he need to work to make $18?
asked by samantha 
Algebra
I just need to know how to set this problem up. You are given 28 feet of fencing and need to enclose a patio on all four sides. The following variables are defined: Let X represent the width (in feet) and Y represent the length (in feet)of the enclosed
asked by Ebony 
Technical writing
Two independent clauses joined together with no punctuation create a ________. Select one: a. complex sentence b. compound sentence c. runon d. comma splice
asked by Michelle 
Technical writing
In order to have a complete sentence, you need a ________. Select one: a. subject, verb, and a complete thought b. subject and verb c. subject, verb, and a prepositional phrase d. subject, verb, and a dependent clause
asked by Michelle 
Physics
The objective lens of a microscope has a focal length of 2cm and that of the eyepiece is 2.2cm and they are placed 8cm and 3cm apart from the objective lens.Find the distance of the; a)image I from the objective lens b)final image
asked by Gai Samuel Pandak 
Technical writing
The teacher should have been more patient with her students. Select one: a. students; should have b. teacher: should have c. teacher; have been d. teacher; should have been D.
asked by Michelle 
geography
How did islam mainly spread throughout the region? A) by imperial command? B) through military command? ** or C) via trade?** D) because of religious decree i think its B or C I'm not sure tho : \ if u could just check this out for me that'd be great I'm
asked by Kiana 
Aa pd
Alex bought 9 mo I'd tickets for. Total cost of $9.00. Each child's ticket cost $2 and each adult ticket cost $4. How many children's tickets did alexdq
asked by Anonym 
SS
Image URL: h t t p : / / b i t . l y / 2 l o x J p 0 1. Which of the following best accounts for the number of southern votes cast for Johnson’s impeachment? a). Only a few southern states have been readmitted to the Union. b). Southern states only had
asked by Anonymous 
math
(x/50)+(x/25)+(3x/50)+(2x/25)+...+2x=
asked by Lulu 
SCIENCE HELP
a bristlecone pine in the white house usually adds a new ring when which of the following occurs? a. earths daily rotation is complete b. the full moon causes a monthly high tide c. the new moon is visible from earths surface d. earths northern hemisphere
asked by honk 
science
It is new and old at the same time
asked by rose 
Math
Hi! I just want someone to check my answers please! I cannot provide you with any pictures as I have gotten them off of my schools website. You cannot access these pictures because you have to be logged in. 1. Andrea drew triangle JKL as shown. A. The sum
asked by Emma 
Math
Alex bought 9 tickets for $30. Adult tickets cost $4 and children's cost $2. How many children's tickets did he purchase?
asked by dj 
Accounting
Cash $10,000 Accounts Payable $7,000 Accounts Receivable $6,400 Mortgage Payable $65,000 Supplies $1,500 Longterm Debt $36,000 Building $150,000 Notes Payable $9,000 Equipment $80,000 Preferred Stock $32,000 Merchandise Inventory $18,000 Retained Earnings
asked by Veronica Salas 
Help MATH
1. does the equation represent a direct variation? if ao find the constant of variation 5x=3y Any help???
asked by DirectHelp 
Physics
In really stormy weather and with the right conditions, the sky would dump a bunch of hail, making the roads rather hazardous. A choir director was driving his car in these conditions and going a tad fast under the circumstances. His car began to slip on
asked by Alisa 
Socials
Make up an epitaph for a young coal miner, detailing the cause of death and the circumstance. Were suck people heroes of the Industrial Revolution? Explain your opinion
asked by Alyssa 
SCIENCE (Connexus)
how could tree rings from Bristlecone Pines support the theory that some areas have had periods of drought and flooding for hundreds of years?
asked by Queen 
math
If the sum of the 4th term and the 7th term is 45.The sum of the 9th term is 117.Find the term when the sum of it is 600
asked by thembeka 
Math
A train goes twice as fast downhill as it can go uphill, and 2/3 as fast uphill as it can go on level ground. If it goes 120 mph downhill, how long will it take to travel 45 miles on flat land?
asked by Shari 
Chemistry
Write “yes” or “no” below if the chemical equation is balanced or not. 1. 2H2 + O2 > 2H2O 2. S8 + 12O2 > 8SO3 3. HgO > Hg + O2 4. Zn + HCl > ZnCl2 + H2 5. 2Na + 2H2O > 2NaOH + H2 6. 2Al + 3FeO > Al2O3 + 3Fe 7. 4Si2H3 + 11O2 >
asked by Bro...?... 
math
how many pounds of tea worth $1.54 a pound should be mixed with tea worth $1.70 a pound to make 40 pounds of blended tea to sell at $1.60 a pound?
asked by lindsey 
Mathdecimals
Is 20 times 5/6 greater or less than 20?
asked by Melanie 
Social studies
How did zoning laws help to reduce the danger from pollution? They required factories to limit their use of chemicals.*** They kept factories outside of residential neighborhoods. They relocated factories to rural areas far away from the city. They
asked by Social studies 
Science
The words to use are: crust, moving, lithosphere, asthenosphere, upper mantle, volcanoes, semisolid The ___1___, which includes the ___2___ and part of the ___3___, is divided into plates that carry all of Earth's lands and oceans. These plates float on a
asked by Ari 
Science
which one occurs more often lunar eclipse or solar eclipse? this is just a question i'v been thinking of
asked by Savanna Reed 
math
simply the following (6*4x^2*y^3/27xy^4)^1/3
asked by lindsey 
Math
A teacher made a pair of foam dice to use in math games. Each cube measured 10inches on a side. How many square inches of fabric were needed to cover the two cubes?
asked by Brandy 
ELA
This is the poem question 1 is talking about. Full fathom five thy father lies; Of his bones are coral made; Those are pearls that were his eyes; Nothing of him that doth fade But doth suffer a sea change Into something rich and strange. Sea nymphs hourly
asked by Conexus ELA quiz Help Please 
Math  Calc/Algebra/Trig
I'm trying to find all the points on the graph y=4/3cos^3xcosx where the tangent line is horizontal. I took the derivative, which gave me: 4cos^2(x)sin(x)+sin(x) Now I need to solve it for x and I'm not sure how. Can you help?
asked by Jamie 
physics
If a resultant force of 15N acts on a body of mass 4kg for 4seconds.Calculate the change in momentum of the body
asked by Ibem 
MATH
I just need to know how to set this problem up. You are given 28 feet of fencing and need to enclose a patio on all four sides. The following variables are defined: Let X represent the width (in feet) and Y represent the length (in feet)of the enclosed
asked by Ebony 
Calculus
Given k(p) = p+4, find the average value of this function on the interval from 4 to 4. I get 6.
asked by Anonymous 
Chemistry
If one wanted to a make a 500.0 mL of 4.5 x 106M solution of this red dye, how many grams would they need to weigh out? The molar mass of the dye is 492 g/mol. SHOW WORK.
asked by Steven 
Chem
Calculate the mass of 0.025 moles of sodium bicarbonat
asked by Anonymous 
Social studies
1. which is the most important effect of the Bessmer Process?
asked by kat 
math
a circular track has a circumference of 200 pi squared meters. what is the radius of the track?
asked by kathy 
Math
The diagonal of a square garden 17ft. Determain the perimeter of the garden, rounded to 3 decimal places.
asked by John 
Stephens
Each of the letters in the word CALCULATOR are on separate cards, face down on the table. If you pick a card at random, what is the probability that it's letter it's letter will be C or L?
asked by Jamie 
Math
I am between 40 and 50 and I have 17 ones. Who am I?
asked by Maggie 
Math
A magician showed a magic trick where he picked one card from a standard deck. Determine what the probability is that the card will be a red color queen card ?
asked by Jamie 
Math
Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. The lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. The height of the trapezoid is 12 ft. What is the area of the stage? Enter your answer in
asked by Marie 
Science
During what phase of the moon can a lunar eclipse Occur
asked by Smiley rainbow 
Physics
A novice skier starts from rest and slides down a frictionless 35 degree incline whose height is 125 m. How fast will she be going at the bottom?
asked by Anonymous 
grid
A family uses 45.2 litres of water daily,how much water does they use in a week?
asked by casmir 
grid math
A sack of sand weigh 40.5kg. How much does does 5 sack of sand weigh?
asked by casmir 
Ethics
n making a decision about the ethics of abortion, is viability (existence, development and growth) of the fetus an ethical valid distinction? Eventually babies may be viable from point of conception. Im really not sure what the question saying? help?
asked by Anonymous 
grid multiplication
A sack of sand weigh 40.5kg. How much does 5 sack of sand weigh?
asked by casmir 
Chemistry
Air bags in cars are inflated by the sudden decomposition of sodium azide (NaN3) by the following reaction. 2 NaN3(s) −→ 3 N2(g) + 2 Na(s) What volume of N2 gas, measured at 1.30 atm and 88.0◦C, would be produced by the reaction of 65.0 g of NaN3?
asked by Danana 
Mrs. Sue
Mrs. Sue, Is this your job?
asked by CoxCable 
Art
What technology does an Xray use to see below the surface of a work of art? a) laser technology b) electromagnetic radiation c) color spectrums d) computer software
asked by Anonymous 
Chem
A gas mixture being used to simulate the atmosphere of another planet consists of 322 mg of methane, 146 mg of argon, and 251 mg of nitrogen. The partial pressure of nitrogen at 319 K is 10 kPa. Calculate the total pressure of the mixture. Answer in units
asked by Danana 
Chemistry
Iron pyrite (FeS2) is the form in which much of the sulfur exists in coal. In the combustion of coal, oxygen reacts with iron pyrite to produce iron(III) oxide and sulfur dioxide, which is a major source of air pollution and a substantial contributor to
asked by Danana 
Algebra 1
I have this extra credit assignment for Algebra 1. It's due tomorrow and I really need help on this. I had a slope of 0.222 for one line and 0.081 for the other line. (y=0.081 * x + 215.378) (y=0.222 * x  43.829) My intersection point is about 1800,320. I
asked by Kate_Mack_Son 
Math
Place parentheses in the expression to make it equal 60? 2×6+6+3×2
asked by Karen 
Political Science
Should the same impeachment process and standards be used for judges, justices, and presidents? Are the same process and standards used?
asked by Alex 
Algebra
In a twodigit number the units’ digit is 7 more than the tens’ digit. The number with digits reversed is three times as large as the sum of the original number and the two digits. Find the number.
asked by Lola 
math
my question is Identify the percent of change as increase or a decrease. Then find the percent of change. Round to the nearest tenth of a percent, if necessary. 1/3 to 2/3. How do I figure it out? I put 33% decrease
asked by Jordan 
math
Please help 4(2^3)(1^2)
asked by kacy 
physics
A billiard ball travels 22 cm in the positive direction, hits the cushion and rebounds in the negative direction, and finally comes to rest 7.5 cm behind its original position.
asked by h 
Math (Probability)
My friend and I have been debating back and forth on the answer to this question. I say that it is 1/6, while she says that it is 1/60. So, the question is... If you are to roll a fair, six sided die ten times, what is the probability that you will roll a
asked by Abigail 
Math Help
If 4 cards are drawn randomly from the standard deck of 52 cards, what is the probability that all 4 cards are red cards? How would I set this up? there are 26 red cards So I would take 26/52 and 48/52? If this is correct, would I multiply them? Thanks
asked by John 
Social Studies
how did the paper changed the beliefs of the Chinese and/or the way things were done?
asked by Plz Help, PLZ? 
Math
Monday$88 4 players Tuesday$154 7 players Wednesday$132 6 players Thursday$66 3 players Friday$ ? 2 players Aon friday,the coach will collect fees from 2 more players.what is the total amount of money the coach will collect from the 2 players? Buse
asked by Emma 
Physics
Two ultrasonic sound waves combine and form a beat frequency that is in the range of human hearing for a healthy young person. The frequency of one of the ultrasonic waves is 84 kHz. (The range of hearing for a healthy young person is 20 Hz to 20 kHz.) (a)
asked by Daisy 
Math
The Fun Guys game rental store charges an annual fee of $25 plus $6.50 per game rented. The Game Bank charges an annual fee of $57 plus $2.50 per game. For how many game rentals will the cost be the same at both stores? What is that cost?
asked by Brigette 
Math
Find two solutions of the following equations, giving your answers in radians sin ϴ = 1/2 cosec ϴ = 2sqrt(3)/3 cot ϴ = 1
asked by NR 
chemistry
Hi, I'm doing a postlab report and I have no idea how to solve this question. It asks which of the following molecules would be useful in quenching benzophenone photoreduction. it then lists oxygen (s1 = 22kcal/mol), 9,10diphenylanthracene (t1=42
asked by Alexa 
math
Is it possible to write a second linear equation to create a system that had one solution and the same yintercept as 9x+3y=12?
asked by Anonymous 
Research 1
Bandura's"Bobo doll" study of social learning and aggression (a) exposed children to a videotape in which someone either played nicely with toys or played aggressively with them, and then (b) measured how often children behaved aggressively toward an
asked by Dianne 
Math
Mr rainwater has 9 goats and 36 cows and 6 horses on his farm. He has 4 times as many cows as chickens. How many chickens does he have?
asked by Anonymous 
math
a boy noticed that the end of the 3.5m shadow, the top of his head and the top of a 28m tall tree are in a straight line. if he is 1.5m tall, how far is he from the tree?
asked by josh 
Statistics
Find the area under the standard normal curve between z = 0 and z = 1.37.
asked by Sharon 
SS
Well I cant find anything for social studies. No one ever wants to post them... But In what way did Beveridge think overseas expansion would help solve labor problems in the united states? A: Expansion would bring new foreign markets for American goods,
asked by Random Guy 
math
Mikahla served 10 pints of fruit puch and 10 cupcakes at her celebration party. How many cups of fruit puch did Makahla serve?
asked by susy 
Math
Monday$88 4 players Tuesday$154 7 players Wednesday$132 6 players Thursday$66 3 players Friday$ ? 2 players Aon friday,the coach will collect fees from 2 more players.what is the total amount of money the coach will collect from the 2 players? Buse
asked by Emma 
Physics
Question: A 62 kg astronaut floats outside a 3200 kg spacecraft. She's initially stationary with respect to the spacecraft. Then she pushes against the spacecraft and moves away at .50m/s to the left. I got an answer of .0096kg from doing 62*.50/3200 but
asked by Kay 
chemistry
How much energy is required to increase the temperature of 755 g of iron from 10 ̊C to (40,679 J)?
asked by monica 
History World
Which of the following results from France giving Russia a loan to Build the TransSiberian railway? I think it's Russia defaults on its debt making an enemy of France.Don't I can't find anything. Help please
asked by Sam 
electrostatics
The magnitude of the electric force between two protons is 2.3 x 10^26 N. How far apart are they?
asked by Jv 
Chemisty
if the chemist mistakenly makes 275 ml of solution instead of the 200ml, what molar concentration of sodium nitrate will the chemist have actually prepared
asked by Jayla 
Global/World Ancient History
How did Greek religion shape Ancient Greek's government and society?
asked by Rosalyn 
civics
what does the constitution grants the federal courts. in several different kinds of court cases
asked by alivia 
Chemistry
How many liters of CO2 will be formed from 200. grams of this sugar at STP? C6H12O62C2H6O+2CO2
asked by William 
Chemistry
Find the number of miles of calcium chloride 0.44g
asked by Cynthia 
Maths
What is rank of word prachi
asked by Prachi 
3rd Math fraction answer conflict
A scarf is knitted at a rate of 3/7 inch per half hour. How much length is added to the scarf in a 6 hour period? This needs a set up for a 3rd grader just starting with fractions. I showed her this: 3/7 inch in a half hour, so 6/7 of an inch in an hour.
asked by Kate's question 
algebra
Determine the length of the missing side of each right triangle. Show your work. 1)a=15; b=?; c=20 Answer is b= 5√7 2)a=9; b=12; c=? Answer is c= 15 **How do I show my work to come up with each of these two answers? THANK YOU!!
asked by Tim 
english 101
in which sentences snake used as adjective? The spy had to snake his way furtively on to the train the cobra is venomous snakethe plumber used his snake to open up clogged pipeyou are a snake when you stay from me. my answer is (a snake) because of A
asked by engl1301 
english 101
is this sentence correct, find the best choice?This door to remain unlocked when occupied. 1is correct. 2this door to remain unlocked while open. 3this office must have the door at all the time. 4this door to remain unlocked while open. my answer is
asked by engl1301