Questions Asked on
September 13, 2016

math
p varies directly as q and the square of r and inversely as s write the equation of the relation find k if p=40 q=5 r=4 s=6 find p when q=8 r=6 and s=9 find s when p=10 q=5 r=2
asked by cate martinez 
Language Arts
"The Third Wish" Quiz 1. Part A What internal conflict does Leita face in "The Third Wish"? Leita enjoys being Mr. Peter's wife, but she deeply misses being a swan** Leita is unhappy with the old King for turning her into a human Leita does her best to
asked by May 
Art
this particular artwork can be viewed by some to be appealing to the eye or beautiful. what characteristics of the worker is being described? A. aesthetics ** B. critique C. heritage D. culture
asked by Paysen 
Physics
A body is moving with uniform acceleration describe 40m in first 5second and 65m in next 5second. It's initial velocity will be?
asked by Akshita 
English
1.Read the following sentences from "Lifeguard Rules!" “That’s it, Ira and Michael,” Francesca had said. "You guys don’t get a third warning. Go spend fifteen minutes out of the water. I’ll inform you when I’m ready to see you in the pool
asked by GummyBears18 
geometry
Find the area of a regular hexagon with the given measurement. 4inch side A = sq. in.
asked by Anonymous 
Physics
A ball thrown horizontally at 21m/s from the roof of a building lands 24m from the base of the building. Now high is the building?
asked by Arman 
chem
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.03 nm. It then gives off a photon having the wavelength of 2165 nm. What is the final state of the hydrogen atom?
asked by brett 
Maths
ABCD is a quadrilateral in which angle ABC = 73°, angle C = 97°, angle D =110° if AE is parallel to DC & BE is parallel to AD & AE intersects BC at F find the measure of angle EBF
asked by Vaisshnavi 
Algebra
A boat travels 28 km upstream in 7 hours. It travels 48 km downstream in 4 hours. Find the speed of the boat and the speed of the stream.
asked by Raquel 
biology
Which of the following is the definition of ecology? the social movement with a goal to protect the environment the recycling of humanmade materials to reduce the waste going into landfills the study of interactions among organisms and between
asked by oto 
English
What is the irony is this passage? In that direction, my windows commanded an unobstructed view of a lofty brick wall, black by age and everlasting shade; which wall required no spyglass to bring out its lurking beauties, but, for the benefit of all
asked by collin 
Please check my answer(Social Studies)
In the Mayflower compact, why do the pilgrims "all due submission and obedience"? To show that they will remain sevants of God To show that they will follow the colony's rule•• To show that they will elect a colonial leader To show that they will
asked by Josh ticklish 
Wold History
Which of the following most directly resulted from the Neolithic Revolution? •Populations increased. •Complex cultures blended. •Religion became less important. 2. Which of the following best describes the emergence of social classes in early
asked by J 
math
Mr. kumar bought a car for $5,000 during the first year, it's value depreciated by 20%. what was the value of the car after one year.
asked by aroara 
chemistry
At what Celsius temperature will the numerical reading on the Fahrenheit thermometer be 44 degress less than that on the Celsius thermometer?
asked by marley 
algebra
A boat can travel 38 mph in still water. If the boat can travel 100 miles with the current in the same time it can travel 80 miles against the current, find the rate of the current r in miles per hour.
asked by sasha 
math 101
how much liquid containing 6% boric acid should be mixed with 2 quarts of a liquid that is 15% boric acid in order to obtain a solution that is 12% boric acid?
asked by arvee 
pre algebra 8th grade(0, 0.3), (1, 0.5), (2, 0.7),
how would I graph a slope of 0.2 and a y intercept of 0.3? I know that y intercept is up and down, and the slope is rise (up)over run (across) , but I am confused because of the decimal format. Thank you, I asked mom but she doesn't know either, and I
asked by Charlotte 
chemistry
When we are calculating the molality of KNO3 in H2O do we add i the van hoff factor
asked by byu 
Math
hi i need help for a math question. The question is about geometric sequence, it asking about " in 2004, the turbines generated 326 MW of wind energy, and it is projected that the amount will be 10,000 MW per year by 2010. If this growth were modeled by
asked by Anonymous 
mathematical physics
A metal sheet has ,on the average , 5 defects per 1.0 m^2. Assuming a poisson distribution , calculate the probability that a 1.5 m^2 piece of the metal sheet will have at least 4 defects.
asked by gourav bhardwaj 
HISTORY HELP plsssssssss
Which of the following is a characteristic of illuminated manuscripts? Text was presented in different colors, based on its intended purpose. Text was written with special ink that made the text appear brighter to readers. The manuscript covers were kept
asked by Oscar 
Math
A machine produces items of which 10% are defective. At the end of each hour, a sample of n items is inspected. If it contains no defectives, the machine is allowed to run for another hour, otherwise the machine is stopped. Find the minimum value of n if
asked by Desperate student 
algebra 2
Apparently i got this wrong, but my teacher is giving me a chance to redo. The question was to put these numbers in decreasing order. _/13, pi, 1.3, 0.7, 8/5 (and i put them in this order) She gave me a 0/2 and said think about how you would place them
asked by Jac 
math
What is the ratio of the green bens to the total number of beans where the number of green beans is 4times more than the number of red beans?
asked by isay 
Economics
Do you think a nation’s output should be distributed according to income or according to some other standard (such as basic human need)? Explain your answer.
asked by Ashley 
Math
13.8.33 Question Help If an object is propelled upward from a height of s feet at an initial velocity of v feet per second, then its height h after t seconds is given by the equation h=−16t squared + vt +s, where h is in feet. If the object is
asked by Sweet Person 
Math
If an object is propelled upward fom a height of s feet at an initial velocity of v feet per second, then its height h after t seconds is given by the equation he=−16t squared + vt + s, where h is in feet. If the object is propelled from a height
asked by Please help 
math
the ratio of Mark's shirt to edwin's shirts is 3:5. if Mark gives Edwin 7 shirts and the ratio becomes 1:3, how many shirts did each have at first?
asked by tingga 
math
Martin had red toy cars and blue cars in a box. the ratio of the blue toy cars to the red toy cars is 5:2. When Martin put 15 more blue toy cars in the box, the ratio of the blue toy cars to the red toy cars became 4:1. How many red toy cars and blue toy
asked by michelle 
chemistry
how many moles of NH3 does it take to make 8.0 mol of H20 according to the reaction shown below? 4NH3 + 5O2 > 4NO + 6H2O I REALLY NEED HELP WITH THIS AS I AM LOST. PLEASE PROVIDE NOTES.
asked by kristen 
Please check my answers(Social Studies)
1. What was the primary reason that roger Williams left the Massachusetts bay colony and founded the Rhode Island colony? He wanted to start a colony where the government had more power He was forced out by native Americans He sought better opportunities
asked by Josh ticklish 
Maths
Plastic drinking straws are manufactured to fit into drinks cartons which have a hole in the top. A straw fits into the hole if the diameter of the straw is less than 3 mm. The diameters of the straws have a normal distribution with mean 2.6 mm and
asked by Anon 
math
Earned five dollar earned $5.50 per hour as an assistant in an auto repair shop how much will Taylor on if she works for and a half hours on Friary's
asked by lydia 
Math
It is a 6 digit number the least digit is in the thousands place. The greatest digit is in the ones place. The digit in the tens place is 5 less than the digit in the ones place. The digit in the hundred thousands place is greater than the digit in the
asked by alina 
math
translate the following sentence into an equation: The product of 9 and four less than n is 27 is is 9(n4)=27 or 9n4 = 27
asked by emily 
science
A pipe of diameter 80mm is fitted with a branch section into which fit two pipes of equal diameter. If it is desired that the velocity remain constant throughout, determine the required diameter of each of the branch pipes.
asked by Pam 
spanish
1. Which Spanish city is known for the fact that people of three different religions peacefully lived there together? a) Avila b) Madrid c) Segovia d) Toledo** 2. How would you express your agreement with the following statement? a) Pues, me gusta esquiar
asked by oto 
science
What change do you expect if the value of the reaction quotient is greater than the value of the equilibrium constant? A. The rate of the forward reaction is greater than the rate of the reverse reaction. More reactant forms. B. The rate of the forward
asked by logan 
Physics
A drag racer starts her car from rest and accelerates at 4.8 m/s 2 for the entire distance of 409 m. How long did it take the car to travel this distance?
asked by James 
Math HELP please!
Order the rational numbers from least to greatest: 0.42,  1/2, 11/20,  0.51.  0.51, 0.42,  1/2, 11/20  0.51,  1/2, 0.42,11/20  1/2,  0.51, 0.42,11/20  1/2,  0.51, 11/20, 0.42 PLEASE HELP
asked by Pokemon 
Please help me (Social Studies)
What was the primary reason the pilgrims came to the new world? Land Religious freedom •• Ship building Trade with Indians
asked by Josh ticklish 
CHECK my answer in American government
** by my answer 4. In which way does a dictatorship differ from a democracy? (1 point) In a dictatorship, the power is held by one person and political party. Leaders in a dictatorship are always democratically elected. Dictatorships have shortterm limits
asked by Anonymous 
Math
The number of blocks has 9 in the ones place.The number in the hundreds place is one more than the number in the tens place.Those two numbers equal 11.How many blocks are there?
asked by Deron 
math
Tonya's mother is 1.5 times as tall as Tonya was when she was 6. How tall is Tonya's mother? Use the correct number of significant digits.
asked by alexa 
Science
Why does hot water not make the btb turn color to yellow
asked by Kailei 
math
The mass of JM's father is 7/3 of JM's mass. What fraction of their total mass is JM's mass? what is the total mass if the mass of JM's father is 36 kg more than JM's mass?
asked by isay 
algebra
How to translate expressions
asked by trent 
science,physics
a 5kg bomb exploded into two fragments .If one fragment with 3 kg moves in a direction with 5m/s then what is the velocity of the second fragment of mass 2kg
asked by jhon 
Math
BD bisects
asked by Valerie 
math
john saved 8/5 of what Mary saved. If Mary saved P 390.00 less than what John saved, how much did both of them saved?
asked by isay 
math
Insert symbols from order of operations to make the statements true: 14 2 5 5 = 10 2 8 9 5 = 34 40 8 7 3 =32
asked by Allie 
Statistic
Males females N1=16 n2=18 S1=4.2 s2=2.3 Using a .01 level of significance
asked by Dhelp 
Math
Where do I put the brackets in the following equation? 3x5+32x7+1=23
asked by Meelah 
PreCalc
A vehicle has an engine that is connected directly to a gear box. In the highest gear, a 2 inch radius gear is turning a 14 inch diameter gear. This gear is connected to the drive shaft. The drive shaft attaches to a wheel and a tire that measures 2 and
asked by Caitlynn 
math
three varieties of flowers bloom every 24, 48, and 52 days. suppose today the three are flowering, after how many days will they bloom together?
asked by arvee 
math
Sara is thinking of a number when she rounds her number to the nearest hundred,she gets 700.What is the greatest number Sara can be thinking of?Explain
asked by james 
math
The movie theater has 48 rows of seats with 12 seats in each row. If every seat is full, how many people are at the theater?
asked by yaya 
math
The ratio of Joseph's coin s to Jake's coins is 5:2. The ratio of Stephens coins to Jake's coin is 4:9. If Jake is 36 coins, how many coins do they have altogether?
asked by tingga 
Math
Tow friends begin walking on a 1 mile track at the same time. They walk the mile in 15 minutes and 18 minutes respectively. After how many minutes will they both be back to the starting point?
asked by Sherri 
math
mMax has two basket of oranges. The ratio of the oranges in the basket A to those in basket B is 7:4. If Max puts half of the oranges in basket A to basket B, what is the new ratio of the oranges in basket A to basket B?
asked by shobe 
math
Flery has some apples and bananas. The ratio of the apples to the bananas is 2:5. She used 1/4 of the apples to make an apple pie. What is the ratio of the apples to the bananas?
asked by shobe 
mathematical physics
Obtain the derivative and the unit tangent vector for a vector function a(t) = t i^+e^t^2 j^+ sin2t k^
asked by gourav bhardwaj 
mathematical phyaics
For three vectors u, v and w show that: (u×v).[(v×w)×(w×u)]= [u.(v×w)]^2 .
asked by gourav bhardwaj 
mathematical phyaics
show that for any vector field F 🔻. (🔻× F) = 0.
asked by gourav bhardwaj 
Math
I am 2 digit number. The digit in the ones place is the first odd prime number The digit in the tens place is three times the value of the ones place digit I am ____
asked by Alexis 
Math
Last season , a football team won 35 games and lost 72. Finding the winning percentage.
asked by Katia 
mathematical phyaics
For a scaler field ϕ(x, y, z) = x^n+y^n+z^n, show that (🔻ϕ ).r = nϕ , where n is a nonzero real constant.
asked by gourav bhardwaj 
Math
For every 52 of something there are 12 of something. Please help!!! Thanks
asked by Fernini 
mathematical physics
Out of 90 applicants for a job, 60 people get selected after the interview. If five applicants are selected at random,calculate the probability that 2 will get selected.
asked by gourav bhardwaj 
mathematical physics
A metal sheet has ,on the average , 5 defects per 1.0 m^2. Assuming a poisson distribution , calculate the probability that a 1.5 m^2 piece of the metal sheet will have at least 4 defects.
asked by gourav bhardwaj 
math
John saved 8/5 of what Mary saved. Idf Mar saved P 390 lessthan what John saved, how much did both of them saved?
asked by michelle 
physics
a ball is thrown verrically upward. the speed of ball was 30m/s when it had reached ½ of its maximum height. 1) how high did the ball rise 2) find the velocity and acceleration 1 second after it is thrown
asked by ayush 
mathematical physics
An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses , B is the event that a tail occurs on the third toss and C is the event that exactly two tails appears in the three tosses, show that : i) Event
asked by gourav bhardwaj 
Chemistry
At constant pressure, which of these systems do work on the surroundings? A(s)+B(s)>C(g) 2A(g)+2B(g)> 3C(g) A(g)+B(g)>3C(g) 2A(g)+3B(g)>4C(g) I've tried everything and I just don't understand what I'm doing wrong.
asked by Sam 
natural science
1.write down the aim of the investigation? 2.make aprediction ofthe outcome ofthe investigation? 3. Switchon the hotplate to its maximum heat and start the stopwatch immediately after that?
asked by anam 
Maths
An exterior angle of a triangle is 15°& one of the interior opposite angle is 35° find the other two angles of a triangles
asked by Vaisshnavi 
math
What is the conjugate of the complex number 5  4i?
asked by kate 
chemistry
Arrange given metal in decreasing order of electrical conductivity ( Al ,Ag ,Hg ,K,Ca
asked by megha 
Math
What is 1 2/10×5simplified to
asked by Bianca 
Triangles
Two sides of a triangle have lengths of 10 and 13. The length of the third side can be any number between _________ and ________.
asked by Logan 
Cell Biology Help Please!
1) AMP activated protein kinase (AMPK): Option A: is activated by both AMP and ADP. Option B: undergoes allosteric regulation. Option C: all of the choices are correct. Option D: adds phosphate groups to serines and threonines in other enzymes. 2) Which
asked by Saki 
Triangles
Determine whether the following lengths can make a triangle: 3, 5, 7
asked by Logan 
Calculus integrals
Suppose f(x)=∫ (from 0 to x) (t^236)/2+cos^2(t) dt. For what value(s) of x does f(x) have a local maximum?
asked by byu 
science
two bodies having mass m1 of 2kg and m2 of mass 4kg are hanged with pulley. Find the acceleration and tension of the string.
asked by Divyansh 
Math
Alex, Bill, and Chen each in turn toss a balanced coin. The first one to throw a head wins. a. What are their respective chances of winning if each tosses only one time? b. What are their respective chances of winning if they continue, given a maximum of
asked by Desperate student 
grammar
Jf Kennedy was a senator before he president in 1960. became hi my friends ,is that right w became
asked by jj 
Homework
It’s true that children depend in the parents for food, clothing and shelter. that,,, is wrong here ???? that thanks
asked by texas 
English
1. Which street food do you like most among (the) four street food(s)?  I like fruit sticks the most because they are delicious and nutritious. (Do we have to use the definite article? Do we have to use 'food' or 'foods' here?) 2. We have talked about
asked by rfvv 
Statistics
A social worker is involved in a study about family structure. She obtains information regarding the number of children per family for a certain community from the census data. Identify the variable of interest, determine whether it is discrete or
asked by AprylB 
Math
Please check my responses! ASAP Consider the following data set: 3,4,6,7,9,9,11 If 5 were added to each of the values, how would that affect the median? My Answer: The median would change and increase. Consider the following data set: 3,4,6,7,9,9,11 If 5
asked by Kara 
Concepts in number sense
An odd number whose thousands digit is twice its hundreds digit
asked by April 
history
which factor had the most negative impact American Indian populations? a. exposure to European disease b. introduction to crops such as tobacco c. the French sales of guns to American Indians
asked by delaney 
Maths Percentage
(1)Emraan income is 25% more than that of Syed. How many per cent is Syed's income less than that of Emraan? (2)Ram's income is 20% more than that of Lakshman. How many percent is Lakshman's income less than that of Ram? (3)Hero's income is 20% less than
asked by Vivek 
Math
I need to help with my math
asked by Allison Lopez 
Biology
Which one of the following is NOT blood parasite? (A)plasmodium(B)trypanosoma(C)trichinella(D)L.donovani
asked by Bibek 
science
How does deltaG° relate to K for a reaction? A. When deltaG° > 0, K < 1 and products are favored. B. When deltaG° < 0, K > 1 and products are favored. C. When deltaG° < 0, K < 1 and reactants are favored. D. When deltaG° > 0, K > 1 and reactants are
asked by logan 
algebra
In 2020 a city's budget is projected to be $24 million. This is approximately 12/7 of the 2000 budget. What was the city's budget in 2000? please show all work
asked by merna 
math
the weights of 3 kittens at one week of age were 3.6 ounces,4.2 ounces,and 3.3ounces. if each kitten has gained 2.3 ounces, how much does each of the kittens weigh
asked by saadia 
algebra
A store prices tapes by raising the wholesale price 40% and adding 25 cents. What must a tape's wholesale price be if the tape sells for $1.99? Please show work than you
asked by merna 
algebra
For three consecutive odd integers, the sum of 3 times the first integer and 2 times the second integer is 7 less than 4 times the third integer. What are the three integers? Separate your answers with commas. Ex: 1,2,3 Please show work thank you
asked by merna 
Geography
why is the “0” not on the far left of the 1: 24,000mile scale bar?
asked by Dee 
math
angle a is 20 degrees larger than b. if A and B are complimentary what is the measurement of angle A?
asked by karyn 
math
hi i need help for a math question. The question is about geometric sequence, it asking about " in 2004, the turbines generated 326 MW of wind energy, and it is projected that the amount will be 10,000 MW per year by 2010. If this growth were modeled by
asked by hi my name is... 
Social studies
The degree of latitiude is always listed where It is a cross word
asked by Rachel 
Math pre algebra please help
Solve the equation 1/2x 5 +2/3x=7/6+4
asked by Anonymous 
Physics
Two particles A and B,are of equal mass,and moving towards each other,with speeds of 3m/sand 2m/s respectively and collide.Particle B then strikes a plane surface,which is perpendicular to its direction of motion and the rebounce.If the coefficient of
asked by Mercypraise 
maths
In a two digit no tens digit is 5 less than unit digit.if the digit are interchanged the new no exceeds the original no by 7 find the no
asked by ishu 
Math pre algebra please help with ?
Solve the equation 1/2x 5 +2/3x=7/6x+4
asked by Jenny 
Social Studies
Another word for lines of latitude is what?
asked by Rachel 
Algebra
For three consecutive odd integers, the sum of 3 times the first integer and 2 times the second integer is 11 less than 4 times the third integer. What are the three integers? Separate your answers with commas. Ex: 1,2,3
asked by jamie 
Chemistry
How much energy is needed as heat at a pressure of 1 ATM when 78g of liquid ethanol (C2H5OH) at 298 K is converted to solid enthalpy at 159 K (FP). The molar enthalpy fusion is 277.6 KJ/Mole, and heat capacity of liquid ethanol is 112.3 J/mole k.
asked by David Marcel 
algebra
A store prices tapes by raising the wholesale price 40% and adding 25 cents. What must a tape's wholesale price be if the tape sells for $1.99?
asked by jamie 
sciences
Assume you are starting a new research project from scratch, you are interested in one of the following proteins and want to purify this protein for biochemical characterization. Please choose one of the proteins below and write a onepage research
asked by princess 
Geometry
I need help with this paragraph proof I have no clue what I am doing. Given: QS bisects angle PQR. Angle PQS equals 45 degrees. Prove: PQR is a right triangle. I really need help, I don't want to fail.
asked by Kat 
astr0nmy
A newly discovered planet has a surface temperature of 330 K and a density of 6 g/cm3. What minimum radius does the planet need to have in order to hold water in its atmosphere indefinitely? (in km)
asked by m 
Math
Eric had 13 tiles to arrange in a rectangular design. He drew a model of the rectangles he could make with the 13 tiles? How does Eric's drawing show that 13 is a prime number?
asked by Anthony Garcia 
Social Studies
Here's the question i have been struggling with: "Imagine you could go back to the Canada of 1014. What attitudes would you find most difficult to deal with? Why? What specific social values do you hold that would conflict with those commonly held in 1914"
asked by Joash 
Physics
Two pith balls each of mass 2 mg are suspended by very light thread of 20 cm long from a common pt. each ball has the same charge so that the threads form angles of 30° with the vertical. what is the charge on each ball?
asked by Aayushi 
Maths
Sorry for posting this one again. But sir, Im really sorry. I thought tutors wont answer me, so I do it with different subject. This is really desperate. I didn't know it was dawn there. My country is night right now. Once again sorry. Heres the question.
asked by Stupid student who says sorry. 
Science
Assume that a spacecraft can travel at the speed of 100,000 km, how many days will it take to get from Earth to Mars?
asked by Ryan 
Math
To make green paint, Jeff's art teacher instructed him to mix blue and yellow paint. To make the desired shade of green, the ratio of blue paint to yellow paint is 3:4. What does the ratio 3:4 mean? Answer: It means comparing part to part. (Comparing how
asked by Matt 
mathematical physics
An unbiased coin is tossed three times. If A is the event that a head appears on each of the first two tosses , B is the event that a tail occurs on the third toss and C is the event that exactly two tails appears in the three tosses, show that : i) Event
asked by gourav bhardwaj 
mathematical physics
For a scaler field ϕ(x, y, z) = x^n+y^n+z^n, show that (🔻ϕ ).r = nϕ , where n is a nonzero real constant.
asked by gourav bhardwaj 
Math
A 3.5 m long ladder is resting against a wall making an angle of 70° to the ground. How far is the foot of the ladder from the wall? How far up the wall is the top of the ladder?
asked by Renata 
Chemistry
Which of the following will contain more atoms: 12g of carbon or 12g of magnesium? Give a reason for your answer. Thanks
asked by Natt 
Math
Create a story problem (scenario) that could be solved using the expression:1 1/2
asked by Taylor 
Physics
two pith balls each of mass 2 mg are suspended by very light thread of 20 cm long from a common pt. each ball has the same charge so that the threads form angles of 30° with the vertical. what is the charge on each ball?
asked by Anonym 
Math
An insurance company classifies drivers as lowrisk, mediumrisk and highrisk. Of those insured, 60% are lowrisk, 30% are mediumrisk and 10% are highrisk. After a study, the company finds that during a 1year period, 1% of the lowrisk drivers had an
asked by Desperate student 
precalc
A Norman window has the shape of a square with a semicircle mounted on it. Find the width of the window if the total area of the square and the semicircle is to be 240 ft squared
asked by lauren 
physics
a rock is thrown straight up and reaches a height at 10 meters. 1.how long was the rock in the air 2.what is the initial vvelocity of the rock?
asked by gheng 
Need help 6th grade math
A large pizza has 8 slices determine whether 6 large pizzas will be enough for 24 people if each person eats 2 to 3 slices of pizza Plz I need help By savanna
asked by Savanna 
math
a surplus of 12 items is represented by 12, determine the opposite of that number and describe the measurement indicated by that opposite? I think it is 12 and the opposite is 12, a shortage of 12 items. Is this correct?
asked by kelley 
differential calculus
A bulldozer costs $120,000 and each year it depreciates 8% of its original value. Find a formula(equation) for the value V of the bulldozer after t years.
asked by christine 
Algebra
Find two consecutive integers such that 1/5 of the first less 1/9 pf the secondnis 3
asked by Raquel 
Algebra
Find two consecutive integers such that 1/5 of the first less 1/9 of the second is 3
asked by Raquel 
engineering
A castiron saucepan of mass 1.4kg is filled with 5L of water at 15°C, placed on an electric hotplate, and bought up to boiling point. What is the cost of the energy used if the electricity costs 10 cents per kWh and the hotplate has an efficiency of 70%.
asked by mat 
Algebra
A boat travels 28 km upstream in 7 hours. It travels 48 km downstream in 4 hours. Find the speed of the boat and the speed of the stream.
asked by Raquel 
math
A fourcylinder engine has a bore of 90mm and a stroke of 100mm. The clearance volume of each cylinder is 0.065 L. Assuming compression starts at the bottom of the stroke, determine: (a) the capacity of the engine (b) the compression ratio of the engine
asked by Alice 
HISTORY HELP plsssssssss
The Black Death contributed to the growth of the arts by decimating the population, leaving the survivors wealthier giving artists a universal subject to depict strengthening the control of the Church forcing people to spend more time indoors, where they
asked by Oscar 
algebra
For three consecutive odd integers, the sum of 3 times the first integer and 2 times the second integer is 77 less than 4 times the third integer. What are the three integers? Please show work thank of you
asked by sandy 
algebra
In 2020 a city's budget is projected to be $3131 million. This is approximately StartFraction 14 Over 3 EndFraction 14 3 of the 2000 budget. What was the city's budget in 2000?
asked by Denise 
Algebra
a+(b+c)=a+(c+b) Communicative property of addition Communicative property of multiplication Associative property of addition Associative property of multiplication I don't know which one to pick for this one:p Please help, thanks
asked by Fading 
Geometery
The perimeter of a recatngles is 54 inches. THe width is one inch less than the length. FInd the length and width
asked by merna 
Please check my answers(Social Studies)
what were some important industries along the eastern coast in the new england colonies? Shopping Fur trade•• Cattle farming Fishing•• Tobacco farming
asked by Josh ticklish 
Math
132:89
asked by Anonymous 
science
I need some ideas on new lab tools to invent for the field of Radiologist.
asked by cennen 
maths
principal 224000,rate of interest 2%, time 16 years,what is compound interest.
asked by tanuj 
math
half the difference of 4 from 14 added to 5
asked by mary 
Vocabulary
"If you forgot your favorite pillow, you packing was hasty" is this true or false? . . I think it is true because you can forget your pillow by rushing
asked by Jelena 
Math
If you stop back in number by 1 by 2 from a number of money. It'll be fun bye to you get one by 8 what is the number
asked by Kirtiman Singh 
ece2040
checklists are best used to observe
asked by Lucretia 
social studies
"By the rude bridge that arched the flood, Their flag to April's breeze unfurled, Here once the embattled farmers stood, And fired the shot heard round the world." These lines are from a hymn written by Ralph Waldo Emerson in 1837. To what do the lines
asked by Alexandria 
science
how much force is needed to accelerate a 7.1 kg skier at 4 m/s/s?
asked by michael 
S.S.
1. For centuries, Arab Muslims had generally welcomed Christian pilgrims to the Holy Land. Which group later took control of the Holy Land, attacked pilgrims, and led Pope Urban to call for the crusades? a. Mongols b. Byzantines c. Seljuk Turks** d. North
asked by Dani 
math
mike reads thrice as fast as judy.the ratio of the number of words judy can read per minute to the number of words paul can read per minute is 5:2 if paul can read 140 words per minute,how many words per minute can mike read
asked by michelle 
Math
Suppose that you have three different length of linking cubes as shows below assume that you have as many of these length as you need but you may not take them apart. Can you make each length below using only one clout if it is possible, show more than one
asked by Help 
Math
What is the distance, to the nearest tenth, from S(4,1) to W(2,3)
asked by Brianna 
Please check my answers(Social Studies)
some characteristics of the Middle Colonies? Select all that apply. 1. Some colonists were skilled artisans. •• 2. They were all established as Royal colonies 3. Most colonists settled for religious reasons. 4. Agriculture was an important industry.
asked by Josh ticklish 
Math
1/2_5/10
asked by Lilith 
Biochemistry
What is the pH of a 0.1M solution of TRIS in the acid from with pKa =8.3
asked by Vanessa 
physics
Sally travels by car from one city to another. She drives for 29.0 min at 63.0 km/h, 37.0 min at 32.0 km/h, and 14.0 min at 26.0 km/h, and she spends 14.0 min eating lunch and buying gas.
asked by will 
english
One of the themes of "The Interlopers" is that nature can be severe and unkind. Below, select the TWO best sentences that support the central idea that nature can be severe and unkind. Question 7 options: Sweating in the heat, we had lost the whole day,
asked by Jay 
Math HELP!
3/4 ___  5/6 < > =  1 3/4 ___ 3/4 < > = 2 3/4 ___ 2 4/6 < > = PLEASE HELP
asked by Pokemon 
Physics
I'm having Sig fig troubles. What would 0.98*2040 be using Sig fig rules???
asked by Stephen 
Math
A man has $8000 invested, part at 4% and the rest at 2.5 %. The annual income from the 4% investment is $34 more than that from the 2.5% investment. How much is invested at 4%?
asked by Jasmine 
Chemistry
When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 13.0 oz drink from 71 ∘F to 39 ∘F, if the heat capacity of the drink is 4.18 J/g∘C? (Assume that the heat transfer is 100 % efficient.)
asked by Sara 
Chemistry
Estimate the orders and rate constant K from the results observed for the Reaction. What is the rate when [H2O2]=[I]=[H+]=1.0M? H2O2 + 3I + 2H+ →I3 + 2H2O Experiment H2O2 [I] [H+] Initial rate MS1 1 0.010 0.010 0.0050 1.15e6 2 0.020 0.010 0.0050
asked by Preeti 
Physics
A car is driving at a speed of 66.0 km/h toward an intersection just as the light changes from green to yellow. The driver has a reaction time of 0.750 s and the magnitude of the braking acceleration of the car is 5.50 m/s2.Find the minimum distance the
asked by Alison Zook 
Physics
An astronaut exerts a 190N force pushing a beam into place on the International Space Station. The beam accelerates at 0.14 m/s2 .Determine the mass
asked by Anonymous 
Math
2√2 (3√8  √6) For my answer I got 24  2√12, would this be correct? I'm not sure if I simplified incorrectly.
asked by Sara 
Math
A fair eightsided die is rolled six times. A success is getting a 6, 7 and 8. Find the probability of getting three successes.
asked by Grace 
Math
The ratio of North American butterflies to South American butterflies at a butterfly park is 5:3. The ratio of South American butterflies to European butterflies is 3:2. There are 30 North American butterflies at the butterfly park. a. How many South
asked by Matt 
Calculus
Hello all, I would like some confirmation on a limits question. The limit is as h > 0, [sqrt [735(x+h)]  sqrt (735x)]/h I multiplied by the conjugate of the numerator and reduced everything down to this final answer: [(5)sqrt(735x)]/2 Is this
asked by Tim 
MATHS2
Solve (0
asked by A GOODSTUDENT 
Physics
A fire hose held near the ground shoots water at a speed of 13m/s.At what angle should the nozzle point in order that the water land 16m away?Why are there two different angles? Please show the all the work thank you very much.
asked by Arman 
english
The best preparation for good work tomorrow is to do good work today. i need the subject verb and object
asked by toya 
riddle
He is someone that when the clock strikes, and life between life and death happiness and sorrow your beloved will save
asked by gap 
Physics
If it takes 5 seconds for the baseball to fall, how far from the tower will it land? I used vertical distance formula dy=1/2(g)t^2 and got 122.5 but its one of the answers in the multiple choice. Please help.
asked by Em 
SciencePhysics
Why is it easier to float in the Dead sea than the Caribbean sea?
asked by Anonymous 
english
the subject verb object Great people endure criticism without resentment.
asked by toya 
english
the subject verb object . Adults are just outdated children.
asked by toya 
math
Simplify the expression 8² +9(12÷3 x 2) 6 Explain each of your steps.
asked by Harry