Questions Asked on
November 29, 2016

Science
What is the volume of the rock if the water level rises to the 120 ML mark
asked by Fidel 
chemistry
The following information is given for ether, C2H5OC2H5, at 1atm: boiling point = 34.6 °C Hvap(34.6 °C) = 26.5 kJ/mol specific heat liquid = 2.32 J/g°C At a pressure of 1 atm, kJ of heat are needed to vaporize a 41.0 g sample of liquid ether at its
asked by LaMetria 
Math (Calculus) (Related Rates)
A boat pulls away from a dock at 2 m/s, but the operator has neglected to remove the tow rope used to pull the boat up to the dock. This rope runs thru a pulley which is attached to the dock at a point 1 m higher than the point at which the rope is
asked by Ray 
chemistry
Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfer reaction. 2Fe3+ + Sn2Fe2+ + Sn2+ species oxidized species reduced oxidizing agent reducing agent As the reaction proceeds,
asked by LaMetria 
math
pls help me proffesors! I need solution to this question, please show me the steps involve. The mean of the scores of three students in a class is 9. If the modal score is 11, find the lowest score.
asked by Banko 
Math
Write a story problem using ten $100 bills, nine $10 bills, and twenty $1 bill
asked by Alizea 
English
1. The fan is above the desk. (Can we use 'above' any time when the fan is on the ceiling, for example, in each corner. When the fan is directly over the desk, can we use "over" as in the sentence? Can we use 'above' when the fan is in each corner of the
asked by rfvv 
Chemistry
If a box contain 256 water molecules and 1 Na+ ion , then what will be the Molarity of the solution.
asked by Robin Jain 
Math
1. Is the equation true, false, or open? 4y 8 = 6y + 3 2. Which value is a solution of the equation 2  8x = 6? 3. Which ordered pair is a solution of the equation y  x  4? 4. Which ordered pair is a solution of the equation y = 4x? 5. Which ordered
asked by Robin Kwan 
Statistics
About 74% of young adult Internet users (aged 18 to 29) use social network sites. Suppose that a sample survey contacts an SRS of 2000 young adult Internet users and calculates the proportion p̂ in this sample who use social network sites.
asked by Steph 
Math
A cylinder is inscribed in a cone as shown in the diagram below. The cone has a height of 8cm and a fixed radius of R cm. The cylinder has a radius of x cm and a height of h cm. Show that the volume of the cylinder is maximised when x=kR, where k is a
asked by Isabel 
Chemistry
Ammonium nitrate a common fertilizer was used by terrorists in the trgic explosion in oklahoma city in 1995.how many litres of gas at 307oc and 1.00atm are formed by the explosive decomposition of 15kg of ammonium nitrate to nitrogen, oxygen and water
asked by David 
Maths quadratic equation
A ball thrown vertically from the top of a building 96m at initial velocity 80m/sec.the distance 's' of the ball of the ground after 't' second is s=96+80t4.5t^2. After how many seconds does the ball strike the ground...?
asked by Akheel a 
math
length of a rectangle is twice its breadth. if ratio of the perimeter of the rctangle and 6 times its length is 1:2. find the dimensions of the rectangle
asked by abhilash 
linear equations
length of a rectangle is twice its breadth. if ratio of the perimeter of the rctangle and 6 times its length is 1:2. find the dimensions of the rectangle
asked by abhilash 
physics
A body at rest explodes into three equal parts, two parts after explosion fly off due north and west respectively with velocity 8m/s then calculate the magnitude and direction of velocity of 3rd pat.
asked by san 
Science/Biology/Health and Social Care
What would happen if the body didn't have any energy? I have looked at Anabolism and Catabolism but I am overall, stuck answering this fully.
asked by Jess 
Chemistry
What is the pH of a 0.36% by mass HCl?(density=1.0 g/mL)
asked by Kiven 
Chemistry
How much water at 10°C can be heated to 40°C by the heat evolved from cooling 300g of water from 80°C to 40°C?
asked by Kiven 
Business Psychology
The CEO of a multinational manufacturing company, with its headquarters in the UK, is considering aligning its organisational culture across all of its sites of operation. Currently, other than the UK, these are located in the US, Japan, and Finland.
asked by Amanda 
Algebra
Write an equation: 9 added to one fourth of the number is 18.
asked by Rofee 
Social Studies
Discuss the social reforms that shaped the nation in the 1800s. What do you think have been the lasting impacts of the Reform Era? How do these reforms influence society today? What do you think were the most important social reforms and why?
asked by Ellie 
algebra
What is the slope of the line y=52x+3 ?
asked by inaldo 
science
A car is moving at a speed of 72 km/hr. The radius of its wheels is 0.25m. If the wheels are stopped in 20 rotation by applying brakes, then angular retardation produced by the brakes is:
asked by Nancy 
Vectors and matrices
A triangle T has a vortices (3,1),(5,1) and (5,4).draw and label the traingle T. M is the matrix (1 0) ( 0 1). The triangle T is mapped on triangle T by the means of transformations M,draw and label T on your diagram. T has a vertices at (3,1),(5,1)
asked by Vanessa 
math
The area of a square garden is represented by the quadratic expression 9x^2  12x + 4. The length of one side of the square garden is 91 inches. What is the value of x ? Hint: Since the garden is in the shape of a square, the expression 9x^2  12x + 4 is
asked by Jalen 
English
Identify the sentence type. I have to do my homework before I can watch TV. a. simple c. complex b. compound d. compoundcomplex
asked by Kim 
third grade Math
Julie made 206 cookies. 142 were chocolate chip. write the amount of chocolate chip cookies into a fraction. I am not sure how to solve this. Can anyone help me?
asked by Sheila 
Chemistry
Calculate the ph value after of 1ml of 0.01 mol/1hcl solution to 1 liter of distilled water that is initially at ph=7
asked by Abigail 
physics
Dependence of fringe width on lamda D and d
asked by Amos 
Third Grade Math
What fraction would these coins represent? 3 Quarters, 4 nickels, 2 dimes I can write a fraction for each of them. But I don't know how to write a fraction for all of them together. Can someone explain this to me?
asked by Sheila 
physics
When the experimental set up is immerse in water of refractive index n=1.5.what will be the charge in beta?
asked by Amos 
precalculus
8. Solve the system of equations shown below. .3/4x5/2y=9 .x+6y=28 x = 21.5, y = 8.25 x = 8, y = 6 x = 8, y = 6 x = 21.5, y = 8.25
asked by Anonymous 
precalculus
how do you find all the solutions to the system of equations .x+y=0 .x^35xy=0
asked by Anonymous 
precalculs
how do you find all the solutions to the system of equations .2x^22xy=14 .2xy=2
asked by Anonymous 
geometry
Determine the Cartesian form of the equation r^2 cos theta cos3theta
asked by charles 
Third Grade Math
Baseball teams Manatees won 4 more games than the Herons. They played 9 games in all. What is the fraction amount of games won for the Herons? I don't even know where to begin to solve this. I don't know how to figure out how to find 4 more. I know the
asked by Sheila 
precalculus
Which of the following shows an inconsistent system of equations? ________________________________________ 4x  2y = 10 ; y = 2x  5 3x + 2y = 1 ; 2x  3y = 1 2x + y = 2 ; y = 2x  2 3x + 4y = 5 ; 6x + 8y = 10 Is 4x2y=10 y=2x5 the correct answer?
asked by Anonymous 
MATH
A rectangular water tank of base 80 cm ✖ 90 cm contains water up to depth of 40 cm. How many litres are there in the tank?
asked by Ishika 
Social Studies
what is the connection among sectionalism, slavery, and states rights as causes of the Civil War? How did the southern response to the 1860 election results demonstrate this connection? Could someone help me with this and explain it?
asked by Lily 
maths
if a room is 5500 sq metres the romm lenth is 6 times the width what is the length of the room
asked by mary 
SELLING MATH!
Two stores carry a similar stereo for the same original price of $573. One store offers a 16% discount and the second store sells the stereo for $458.40. Which store gives the bigger percent discount? Justify your answer.
asked by Agal 
History
Why can't a 30yearold state representative from Raleigh, North Carolina can't become president
asked by Geno 
Calculus
A particle is moving along the xaxis so that its position at t ≥ 0 is given by s(t)=(t)In(2t). Find the acceleration of the particle when the velocity is first zero. a)2e^2 b)2e c)e d)None of these Any help is greatly appreciated
asked by Jonathan 
Calculus
A particle moves with velocity function v(t) = 2t^2 − 3t − 3, with v measured in feet per second and t measured in seconds. Find the acceleration of the particle at time t = 2 seconds. a)3/4 feet per second^2 b)1 feet per second^2 c)32 feet per
asked by Jonathan 
ss
how did muslim turks influence turkeys development?
asked by help me pls 
Calculus
The driver of a car traveling at 60 ft/sec suddenly applies the brakes. The position of the car is s(t) = 60t − 1.5t^2, t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop? a)60
asked by Jonathan 
Calculus
The position of a particle on the xaxis at time t, t > 0, is s(t) = ln(t) with t measured in seconds and s(t) measured in feet. What is the average velocity of the particle for 1 ≤ t ≤ e? a)1 b)e c)e1 d)1/(e1)
asked by Jonathan 
Calculus
A particle moves along the xaxis so that at any time t, measured in seconds, its position is given by s(t) = 5cos(t) − sin(3t), measured in feet. What is the acceleration of the particle at time t = π seconds?
asked by Jonathan 
pre calculus
Describe the advantages and disadvantages of The method of substitution”, “The method of graphing”, and “The method of elimination” of solving systems of equations
asked by Anonymous 
pre calculus
Create systems of equations in two variables that have (a) no solution, (b) one distinct solution, and (c) infinite solutions. Show that each system has the indicated number of solutions by using a graph or solving the system.
asked by Anonymous 
SALERY MONEY MATH HELP!
What does it mean to get a 150% salary raise? Explain in words and then give an example showing a calculation.
asked by Agal 
SC state history
what inspired most of south carolina's internal improvements?
asked by unknown 
Calculus
The number of people expected to have a disease in t years is given by y(t) = A.3^(t/a) (i) If now (year 2016) the number of people having the disease is 1000, find the value of A. (ii) How many people are expected to have the disease in five years? (iii)
asked by Muhammad 
Algebra 2
The period of a pendulum is the time the pendulum takes to swing back and forth. The function L=0.81t^2 relates the length L in feet of a pendulum to the time t in seconds that it takes to swing back and forth. A convention center has a pendulum that is 80
asked by Olivia N J 
algebra
The perimeter of the rectangle is 62 meters. what is the value of x if one side equal 10 meters.
asked by Sue 
chemistry
why is the spectrum of hydrogen composed of discrete lines?
asked by sara 
Chemistry
2 balloons A and B of volume 600 ml and 1000 ml are taken at temperature 400 K. Max capacity of balloon A and B are 800 and 1200 ml resp. When the temperature is raised which balloon will burst first ?
asked by Minhoya 
chemistry
Find the volume of carbondioxide produced when 25grams ofCalcium carbonate was completely burnt
asked by Anonymous 
chemistry
Find the volume of carbondioxide produced when 25grams ofCalcium carbonate was completely burnt
asked by Anonymous 
Algebra 2
2/3 of the children at a school are scared of snakes, 1/3 are scared of spiders, and 1/6 are scared of snakes and spiders. What fraction of those who are scared of spiders are also scared of snakes? 1/2 1/3 1/6 **my choice but I'm not sure 2/3
asked by Mako 
precalculus
how do you solve 2x + y = 8 4x + 2y = 16
asked by Anonymous 
algebra 1
LaTasha was presented with the following data set and argued that there was no correlation between x and y. Is LaTasha correct? Use the regression equation to explain your reasoning.
asked by natasha 
precalculus
solve 179x=18y 12y=116x
asked by Anonymous 
Chemistry (Dilution) Help please?
Calculate how to prepare 100.0mL of a 1.25x10^4 M aqueous solution of Fe(NO3)3(aq) by dilution of stock of 0.0025M Fe(NO3)3(aq) in a 100.0mL volumetric flask? I tried using the m1v1=m2v2 equation but it doesn't look like that equation would work for this
asked by Ray 
Chemistry
How do differences in molar absorptivity and cell pathlength change the absorbance of a measurement?
asked by Kiki 
Physics
Hi, I've been having trouble with this physics problem. I'm not sure where to begin. A brick with mass m1=2.5 kg can move without friction on a horizontal plane. The brick is attached to a wall by an ideal spring with spring constant k=2300 N/m. A second
asked by Josh 
Math
A recipe for cookies calls for 7 and one half 7 1 2 cups of flour. If the recipe is for 22 dozen cookies, how much flour is needed for 1313 dozen cookies?
asked by Mei Qi 
Math
A recipe for cookies calls for 7 and one half 7 1/2 cups of flour. If the recipe is for 22 dozenâ€‹ cookies, how much flour is needed for 13 dozenâ€‹ cookies?
asked by Mei Qi 
Geometry
Use algebra to classify quadrilateral JKLM. Select all the apply. Trapezoid Kite Square Rhombus Rectangle Parallelogram Point J (2,1) Point K (8,1) Point L (2,6) Point M (4,4)
asked by Joe 
Math
A recipe for cookies calls for 7 1/2 cups of flour. If the recipe is for 2 dozen cookies, how much flour is needed for 13 dozen cookies?
asked by Mikkie 
social studies
what is a landmark that usually rises more than 2,00 feet above sea level
asked by olivia 
PHYSICS
A girl on a carousel has a centripetal acceleration of 21.3 m/s2. What is the acceleration of the girl if the carousel's angular velocity is doubled?
asked by Anonymous 
Physics
A stuntman drives a dirt bike on a curved track with a radius of 17.0 m. If he starts from rest and accelerates at 1.74 m/s^2, at what time will the magnitude of the total acceleration of the bike be 7.04 m/s^2?
asked by Too Hard!!!! 
Physics
Could someone please help walk me through this problem I'm struggling with? Thanks in advance! A brick with mass m1=2.5 kg can move without friction on a horizontal plane. The brick is attached to a wall by an ideal spring with spring constant k=2300 N/m.
asked by Jamie 
History
"Congress has not declared war since ww2. In eight occasions since then however it has a natural joint resolutions to authorize the president to meet certain International crisis with military force" What is the strongest conclusion that can be drawn from
asked by Ren 
AP Physics
Block A (mass 40 kg) and block B (mass 80 kg) are connected by a string of negligible mass as shown in the figure. The pulley is frictionless and has a negligible mass. If the coefficient of kinetic friction between block A and the incline is μk = 0.27
asked by Ashley 
Art in review Lesson 5 unit 2
1. Through this collection, you can gain a better understanding of all of the following EXCEPT: A. the history and traditions of a group of people. B. the diversity of a group of people during a specific time period C. the aesthetic choices preferred by a
asked by Jaosn112 
pre calculus
solve 2x + y = 8 4x + 2y = 16
asked by Anonymous 
Art
You have two boxes of colored pens. The first box contains a red pen, a blue pen, and a green pen. The second box contains a yellow pen, a red pen, and a black pen. What is the set that represents all the pens? (1 point) {red pen, blue pen, green pen}{red
asked by Jaosn112 
US History
How did Irish immigrants coming to America cope with the religious discrimination they faced for being Catholics?
asked by Blair 
Math
Find the function rule. x: 210 1  2 y: 94 1611 I don't have an answer yet. There's no options, I have to provide an answer. I've been studying this for at least half an hour and I have no idea what it could be. Any help? Thanks.
asked by Kenz 
Math
A class of 12 students has taken an exam, and the mean of their scores is 71. One student takes the exam late, and scores 92. After including the new score, what is the mean score for all 13 exams?
asked by Anonymous 
Mathmatics Asap Please!!!!!
Susanna is going to make some concrete, using cement, sand and gravel, in the ratio 1:3:3. Nicola wants to make 245kg of concrete. There is 40kg of cement, 110kg sand and 105kg gravel. Is there enough material to make concrete. Thank you.
asked by Chloe 
Latin
how do you say we will love in Latin?
asked by Anonymous 
science
in evolutionaly terms, RNA is though to have preceded proteins and DNA.
asked by qq 
maths
r=1rcos(theta)convert into rectangular equation? r with cos creating trouble for me how to solve this?
asked by Asfand 
Math
A book of golf balls contains yellow golf balls and white golf balls. You collect the representative sample shown (3 yellow, 2 white). If the bucket contains 50 golf balls about how many golf balls are white ?
asked by Michelle 
PreCalculus
given: ((x2)^2/9)+((y4^2/16)=1 what is the major axis?
asked by Iris 
math
150 children have to go on a school tour. They can use minibuses, which carry x pupils each, or cars which carry y pupils each. The mathematics teacher works out that they could just manage with 10 minibuses and 6 cars, or with 5 minibuses and 18 cars.
asked by Banko 
maths(PLEASE HELP!)
The mass of a 10p coin is 6.5g find the mass in kilograms of the coins in a £10 bag of 10p. Answer please:?????????
asked by colette 
social studies
1) BLANK are people who move into one country from another. A) Emigrants B) Immigrants C)Urbanites D) Nomads 2. One of the largest involuntary migrations in history was the transatlantic A) Irish migration. B) immigrant wave. C) slave trade. D) migration
asked by Michael 
math volume
Tommy decided to also make a sampler can with a diameter of 2 inches and a height of 3 inches. Tommy calculated that the area of the base was es0021.jpg, and multiplied that by the height of 3 inches for a total volume of es0022.jpg. Explain the error
asked by Anonymous 
Chemistry (Molarity) Help
So there's this prelab assignment we're supposed to complete where we would fill out this table with [FeSCN^2+] in each of the test tubes. I'm not completely sure on how to do this? For example, on the first tube calculate the molarity of [FeSCN^2+] with
asked by Ray 
Math
You have $60.00 in your wallet and want to buy some new CDs. If the CDs are $11.00 each, What number of CDs, x, can you buy? Write and solve an inequality. Then explain you answer. Please help me I have no Idea :/
asked by help me please 
PreCalculus
Can you please give and example of a hyperbola and ellipse with the same vertices and center that I can graph? Then explain the similarities and differences between the graphs.
asked by Iris 
Math
1.Pick a number to represent the number of times you would like to have chocolate in a week (more than once, but less than 10 times). 2.Double this amount (just to be bold). 3.Add 5. 4.Multiply the result by 50. 5.If you have already had your birthday this
asked by Melissa 
Math
If I spent $15.85 for three notebooks and 2 boxes of markers the boxes of markers cost 3.95 each and the tax is 1.23 and I have a coupon for 0.75 how much did each notbook cost
asked by Makiyah 
pre calculus
Use Gaussian elimination to write the system of equations given below in rowechelon form 2x+4y+z=4 2x4y+6z=13 4x2y+z=6
asked by Anonymous 
Math
Ricky is 4 times as old as his sister, who's 5. How old will Ricky be when he's twice as old as her?
asked by Calvin 
Math
A barrel contained 60 gallons of water. Water leaked out of the barrel at a rate of 5 gallons every 3 days. How many days did it take for all 60 gallons of water to leak out of the barrel?
asked by Avery 
precalculus
Write the form of the partial fraction decomposition of the rational expression. 2x4/x^21
asked by Anonymous 
College Algebra
What is the domain of ln(x6)^2 and why? There is controversy in the classroom about the answer.
asked by L 
Social studies
How did the search for religious freedom affect the formation of the New England colonies?
asked by Renae 
Social Studies
Why did the Dred Scott v. Sandford decision anger Northerners? It made slavery legal in the territories. It sought to continue the series of compromises on slavery. It allowed for expansion of slavery into the North. (my answer) It created popular
asked by Betta Fish 
Social Studies
"The legislative package known as the Compromise of 1850 postponed the Civil War by a decade. However, like the 1820 Missouri Compromise, the Compromise of 1850 failed to resolve the question of slavery in a meaningful way. Over the course of the 1850s,
asked by Betta Fish 
social studies
We were worked in all weathers. It was never too hot or too cold it could never rain blow hail or snow too hard for us to work in the field. Work work work The longest days were short for him and the shortest nights too long for him. Which statements best
asked by anonymous 
algebra
graph y=/x/2
asked by sierra 
math
3x1/6=3divided by____ =1/2
asked by Damian 
Algebra2
8^3x=60 rewrite using the rules for exponents
asked by Steve 
The Simplex Method
A student earns $10 per hour for tutoring and $7 per hour as a teacher's aide. To have enough free time for studies, he can work no more than 20 hours per week. The tutoring center requires that each tutor spends at least three hours per week tutoring, but
asked by Jammy 
math
y+4=2(x+6)
asked by Anonymous 
Biology
Mendel described two important genetic ideas: inheritance of acquired characteristics and the principle of independent assortment. Provide a brief description of what each one means.
asked by ANG. 
Biology
What are the key characteristics of a model organism? Name atleast 3 different model organisms used in genetics.
asked by babarra 
social studies
At home on the hills of Vermont or in the woods of Maine or the Texan ranch comrade of Californians comrade of free north sweeteners of every hue caste am I of every rank and religion. Why did Whitman compose these lines? A. to point out the vastness of
asked by anonymous 
Social Studies
Which of the following statements best summarizes the system of railroads shown on the map? A. The majority of the railroads that connected the North to the South were built by 1850. B. The railroads established by 1860 each began and ended at a major
asked by JP 
Math
The drama club is planning a field trip. Twothirds of the drama club will attend, in addition to 8 teachers. There are 48 people going on the field trip. Write an equation you can use to find the number of students in the drama club.
asked by Jainam Gandhi 
English
1. The fan is above the desk. (Can we use 'above' any time when the fan is on the ceiling, for example, in each corner. When the fan is directly over the desk, can we use "over" as in the sentence? Can we use 'above' when the fan is in each corner of the
asked by rfvv 
Math
Let (7,3) be a point on the terminal side of theta. Find the exact values of sin of theta, csc of theta and cot of theta?
asked by Justin 
Writing help
I need ideas for a thesis statement with the topic of "Helping Small Businesses Succeed."
asked by Anonymous 
social studies
At home on the hills of Vermont or in the woods of Maine or the Texan ranch comrade of Californians comrade of free north sweeteners of every hue caste am I of every rank and religion. Why did Whitman compose these lines? A. to point out the vastness of
asked by anonymous 
math
a bicycle wheel made 3.25 revolutions through how many degrees did it turn
asked by luren 
statistics
John runs a computer software store. Yesterday he counted 133 people who walked by the store, 66 of whom came into the store. Of the 66, only 24 bought something in the store.
asked by G 
Linear Algebra
Let L be the line with parametric equations x = 1−2t y = 3+3t z = −1−3t Find the shortest distance d from the point P0=(1, −4, −2) to L, and the point Q on L that is closest to P0. Use the square root symbol '√' where needed to give an exact
asked by Ramit Rana 
Physics
A 42kg box slides down a frictionless inclined plane. The angle of the inclined plane is 34.0 degrees. The distance from the box to the bottom of the inclined plane is 3 m. Draw the free body diagram of the force vectors acting on the box. Determine: a.
asked by Anonymous 
pre calc
Find all solutions to the equation 2 sin^2(θ) − sin(θ) − 1 = 0.
asked by mathhhhhh4 
pre calc
Find all solutions to the equation 2 sin^2(θ) − sin(θ) − 1 = 0. Please explain throughly. Thank you so much :)
asked by Anonymous 
English
There are three teams in a classroom. 1. This question is for Team 1. 2. Only Team 2 can answer this question. 22. Only students in Team 2 can answer this question. (Do we have to put 'the' before 'students'?) 3. This one is for Team 3 students. 4. Team 1
asked by rfvv 
Chemistry
If you do percent error and you come up with about 70% error, would this method of testing be considered valid? Why or why not? I don't understand an actual reason to use.
asked by babarra 
Chemistry
When We Balance Equations In Chemical Reaction,we Are Obeying The Law Of
asked by Da Silva 
Correcting Math
You and some friends rent a limousine for a formal reception. The bill for the evening is $65.00. A tax of 7% will be added to your total, and you want to tip the chauffeur for his excellent driving. You decide to leave him a tip that is 20% of the bill
asked by Agal 
Chemistry
This question refers to spectroscopy. So why are certain colors used in this experiment? For example, why would a yellow light be used instead of a green light? And if I were to use a green light instead of a yellow light, would absorbance values be higher
asked by Sammy 
Math
There are 24 students in mrs. garcia's class .she wants to divide the class evenly into groups of at least 4students .write ways in which she can divide the class
asked by Anonymous 
Interest Finite Math
IS MY ANSWER CORRECT? If you would like to make $1213 in 8 years, how much would you have to deposit in an account that pays simple interest of 5%? I=1213(.05)(8) I=388.16 Interest Earned is $388.16 1213+388.16=1601.16
asked by Jammy 
Math
What grouping symbols make this number sentence true 50/10+ 10/2=5
asked by Angelo 
Check It, Math
A car dealership pays you 6% commission on your first $5,000 on car sales and 8% commission on the sale amount over $5,000. If you sold a $10,000 car, how much is your commission? $600** $700 $800 $500
asked by Agal 
Math
Find the asymptote of (3)/(2x^(2)+3)
asked by Grace 
Science
What is the result of c6h5ch2cooh +H^+/KMnO4
asked by Priya 
Family and Consumer Sciences
I am doing a sewing project. I need to decide what project to do. I have four choices. I need find pros and cons. I am having trouble finding the right format for these pros and cons. they need to be written like " I chose the bunny because it costs less
asked by Fluffy_Bunny 
Math
Tony broke a larger array into 2 x 9 array and a 4 x 9 array. What did the larger array look like? Draw picture. Write a number sentence to show the relationship between the large array and the two smaller arrays.
asked by Cc 
Precalc
Calculate the period of sin(x), tan(x), sin2(x) and tan2(x). Please explain throughly.
asked by Anonymous11 
CHECKA Math!
Find the percent of markup. Round to the nearest tenth. $37.00 to $49.00 24.5% 32.4%**** 27.7% 12.0%
asked by Agala 
math
can i get the working for the question damon you lost me at 3.25*360=?
asked by luren 
math
it is now 2.00 pm and 15 minutes, what fraction of a whole turn did the minute hand make? what size of the angle in degrees made by the minute hand?
asked by luren 
CHECK! LAST TIME MATH!
A store is having a 20%off sale. It gives an additional 10% off if the item is still above $100 after the first discount. A jacket costs $149.99. Will you get the second discount and if so, how many dollars will you save in total? yes;$42.00 yes;$14.49***
asked by Agala 
2
all the cotton the South's most profitable cash crop it was not going everywhere why do some Farmers harvest rice or tobacco instead of cotton
asked by Sage 
object oriented programming
Let’s consider there will be 5 delicious food available at your new restaurant which will open by the end of 2016. To make the cashier's job easier, build a C++ console application to automate the process of billing on a daily basis. Specifically, the
asked by ramaah 
maths
A school has 250 children, Eighty are boys. What percentage are girls?
asked by indira 
Algebra 2
the sum of two numbers is 74. one number is 11 more than half the other. find both numbers
asked by Sharon 
maths
Kerry added N to 2 3/5 and got 6. What is a the value of N
asked by indira 
OPRE
A producer is very proud of the peaches he grows. He claims that, on average, 10% or less of his peaches in a bushel are defective. You take a sample of 400 peaches and find that 50 are defective. If Î± = 0.025, what will be the decision?
asked by Anonymous 
CHEMISTRY
Why would it be better to use lighter colored lights (like yellow) be used in a spectroscopy experiment, rather than a green colored light? If green is used instead of yellow, would absorbance values be higher or lower? I don't understand :(
asked by Marlene 
maths
A box containing 150 oranges was bought for $120.00 The oranges were sold in heaps of 6 for $10.00. a) How many heaps of 6 were sold? b) Calculate the profit made
asked by indira 
Physics
Not sure where to go with this problem, any help is appreciated! A bike is turned upside down for repairs. The front wheel can be described as a hoop with radius R=0.6 m and mass M=1.0 kg and a small point mass m=0.005 kg attached to the perimeter to
asked by Jamie 
Math
How do I writ a equation that involves multiplication,contains a variable and has a solution of 5. Can you please help me
asked by Nadia 
maths
An entire bag containing 4.8kg of coffee was repacked into smaller packets. each containing 250g. a) How many smaller packets were obtained? b) How much grams of coffee remained after the maximum amount of packets were obtained?
asked by indira 
math
Farmer Rex planted 48 rows each having 30 corn trees. a) How many corn trees did he plant? b) 1006 plants grew. What percentage of the plants did not grow?
asked by indira 
science (ASAP)
what does the notation TT mean to genetics
asked by Miranda 
math
A petrol tanker is 2/5 full.When 35000 litres are added,the tanker will be 3/4 full.What is the capacity of the tanker in litres?
asked by Banko 
Science
Take 1mL of 1M NaCl solution, and add 9mL of water. Then take 10microL of the diluted solution and add 40microL of water. What is the dilution? And what is the final concentration of NaCl? So I see how this is a 2:1 dilution, but I am having a hard time
asked by Alli 
Math
Carlita saw 5 times as many robins as cardinals while bird watching. She saw a total of 24 birds. How many robins did she see than cardinals?
asked by Valerie 
social studies
How were the lives of white people in the north and south alike and different? can someone help me please
asked by anonymous 
math
Put the following decimals and fractions in order from greastest to least: 0.15, 2/3, 3/5, 0.25, 1 1/8
asked by angel 
math
A box containing 150 oranges was bought for $120.00 The oranges were sold in heaps of 6 for $10.00. a) How many heaps of 6 were sold? b) Calculate the profit made
asked by indira 
LANGUAGE ARTS HELLPPPP!!!!!
1. What is the key to an effective search for your information as you prepare for your presentation? (1 point) A. prewriting B. strong research skills C. paraphrasing D. drawing conclusions
asked by Mathew 
science
In the following equation , 417.96 g of Bi reacts completely with 200 g of F . How many grams of BIF (to the third power) are formed?
asked by chels 
Chemistry
What size volumetric flask do you need to dilute a 0.150M NaOH to 0.390M if you pipette 1500ml?
asked by Sarah 
Physics: HELP PLS
The speed of a wave in a string is given by v = Ö(FT/m), where FT is the tension in the string and m = mass / length of the string. A 2.00 m long string has a mass of 15.5 g. A 93 g mass is attached to the string and hung over a pulley. The end of the
asked by Nopie 
math
If a boy gets $1,000 for his pocket money if he says 250 dollar is what fraction does he spend
asked by nyla collins 
math
An entire bag containing 4.8kg of coffee was repacked into smaller packets. each containing 250g. a) How many smaller packets were obtained? b) How much grams of coffee remained after the maximum amount of packets were obtained?
asked by indira 
Math
Leah spent 5/6 of an hour doing homework on Monday on Tuesday she spent 3/4 of an hour and on Wednesday she did it in 5/8 of an hour How much time did she spend doing her honework on Minday Tuesday and wednesday I know how to concert 5/6 and 3/4 hour but
asked by Caroline 
6th grade math
Tamela's school day is 6 3/4 hours.Yesterday,she had a doctors appointment and she missed 1/6 of her school day.How many school hours did she miss during her doctors appointment?
asked by Leilani 
math
3^(2x−1)= 1/(27^x)
asked by Reniey 
History
Why do you think Columbus kept a private log of the miles the ships actually traveled?
asked by April 
math
( 1/4 )^(xâˆ’2)=16 is x =8
asked by Reniey 
Math
What number has 2 digits and when a decimal point is placed between them, the resulting number is the average of digits in the 2 digit number??
asked by Freddie 
MATH PLZ HELP
Tanya and Mona are in the Big Beast Booth at the County Fair. Tanya buys a ticket that gives her three throws with a beanbag at the beasts. There are four beasts, each with a different number on them, 1, 2, 3, or 4. Each time she hits a beast Tanya earns
asked by Emma R. 
American History
In New England, the town is a major unit of local government. Except for a few major cities, each of the six states in the region is divided into towns. Each town generally includes all of the rural and the urban areas within its boundaries. Which best
asked by Anonymous 
Finite Math
Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each modelA hibachi requires 3 lb of cast iron and 6 min of labor. To produce each modelB hibachi requires 4 lb of cast iron and 3 min of labor. The
asked by Tim 
Math
Easiest way to find probability
asked by Praise 
Math
Tamela's school day is 6 3/4 hours.Yesterday,she had a doctors appointment and missed 1/6 of her school day.How many school hours did she miss during her doctor appointment?
asked by Leilani 
Math
Selina has a homework consisting of 4 questions.
asked by Leilani 
Finite
Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each modelA hibachi requires 3 lb of cast iron and 6 min of labor. To produce each modelB hibachi requires 4 lb of cast iron and 3 min of labor. The
asked by John 
Math
Selina has a homework consisting of 4 questions.In each question,she needs to find the value of each power.When she turns in her homework,her teachers say she got tree correct answers of which of the following values did she calculate incorrectly?
asked by Leilani 
geometry
A segment has endpoints m(5, 2) and n(1, 2). After a dilation with center(0,0), M'(10,4), and N'(2,4). If the scale factor is 3x+2, then which of the following is the value of x? a) 0 b)1 c)2 d)3
asked by madison 
maths
To raise funds to purchase gym equipment at school. Peter decided to sell juice. he sold them in cups each holding 250ml for $2 per cup. He sold 45 cups and the juice finished. a) how much juice did he he initially have? b) It cost him $30 to make the
asked by indira 
physics
a simple pendulum of lengh l,the mass of whose bob is m,is obseved to have a speed v when the cord makes an angle with the vertical.Determine the least value v2 that v could have if the cord is to achieve a horizontal position during the motion
asked by laura 
precalculus
A.) A Ferris wheel has a radius of 32 feet and completes one revolution every 5.4 minutes. What is the speed of the Ferris wheel (in radians per minute)? _______radians per minute B.) A Ferris wheel has a radius of 39 feet and travels 5.6 feet every
asked by Keira 
physics
a simple pendulum of lengh l,the mass of whose bob is m,is observed to have a speed v0 when the cord makes an angle theta0(0
asked by laura 
Calculus
a projectile is fired vertically upward from ground level with a velocity of 1600 ft/sec. If air resistance is neglected, find its distance s(t) above ground at time t. What is its maximum height?
asked by John 
math
A G.P has a common ratio of 2.Find the value of 'n' for which the sum of 2n terms is 33 times the sum of n terms?
asked by Banko 
Geography
What is the benefits of supporting an expedition
asked by May 
Math
I have 2 questions that I need help with if someone could please help me step by step to figure out how to do this equation it would be very helpful. Thank you 1. Suppose y varies directly with x and, y=15 and x=5. Write a direct variation equation that
asked by Anonymous 
math
A rectangular piece of land has a perimeter of 250m. If the length is 65m. What is the width?
asked by indira 
Math
1. Use pointslope form to write the equation of a line that has a slope of 2/3 and passed through (3,1). Write your final equation in slopeintercept form. Is the answer y=2/3+1 2. Write an equation of the line that passed through (2,1) and is
asked by Anonymous 
Science , Biology
Is Atlantic spadefish Nocturnal or Diurnal? Carnivore, Herbivore, Autotroph? Is Porcupine fish Carnivore, Herbivore, Autotroph? Please give me informationsss!!
asked by A. 
Math
The of stamps owned by Shirley, Mary and Daisy is in the ratio of 5: 6 7. The total number of stamps is 540. Mary gives so of her stamps to Shirley and 40 stamps to Daisy. Find the new ratio of their stamps.
asked by Anonymous 
Math
Selina has a homework consisting of 4 questions.In each question,she needs to find the value of each power.When she turns in her homework,her teacher says she got 3 correct answers which of the following values did she calculate incorrectly? a.(3)0 = 1
asked by Leilani 
Chemistry
Based on my percent error (65.8%), would this method of testing for iron be considered a valid means of determining iron content in vitamin pills? Why or why not? I don't understand how to fully answer this question. Since my percent error is high, would
asked by Shelene Ramos` 
Science , Biology
Which creatures live on the energy of the Sun? Angel fish Suquirrel fish Sea urchins Porcupine fish Octopus
asked by AM 
Modle
I just dont under stand this Q Q:Amoble of an apartment is shown where 1/4 inch represent 3 feet in the actual apartment. Determine the actual area of the master bedroom. Plz help me
asked by Mya 
Science
A car completes a half of a circular track that has a radius of 10 m. What is the distance traveled by the car? What is the displacement of the car?
asked by Rose 
Chemistry
E=hc/lambda How would I rearrange this to be able to solve for the other variables (c or lambda)??????? Please and thank you.
asked by Corin 
Calculus
For what values of the constants a and b is (1,3) a point of inflection of the curve y=ax^3+bx^2?
asked by Ben 
Math
How many 6inch long pieces of ribbon can be cut from a piece that is 3 yards long?
asked by Emily 
English
The word phosphorescence and gelatinous would be categorized under the label The answer are A. Marine animals B. Fishing terms C. boat terms D. Marine images I hope somebody can help me
asked by Jenny 
LA HELP!
What is the meaning of the word culminated as it is used in the following sentence from "All Together Now"? Think about the 1960s when Dr. Martin Luther King, Jr., was in his heyday and there were marches and protests against segregation and
asked by Agala 
Calc
Find the derivative. f(x)= √x^24,2arcsec(x/2)
asked by Ian 
algebra
Find the slope of the line through (–9, –10) and (–2, –5).
asked by J J 
chemistry
In an adiabatic coffee cup, a 75mL of 1.0M HCl and 50mL of 1.0M HaOH were neutralize. The initial temperature is 22.1 C and the final temperature is 26.3 C. What is the therapy? S=4.18g/JC and the heat capacity of the adiabatic coffee cup is 18.80J/C.
asked by KO 
physics
so i created a graph Fe(N) vs. 1/r^2,so electric force vs the inverse squared of the radius.My slope was 9.21E28, which was right. But what does the slope represent and how would I answer this question? a. Based on the slope of the line you created,
asked by jon snow 
English
What does this mean? "The world abounds with masterpieces, and yet they do not fill my two hands"
asked by Mia 
Social studies 5th grade
What was difference in exploring for Spain and France? Why did each of them explore? Compare and contrast
asked by Notgonnasaymyname 
physics
why you expect the temperature of water at the bottom of Niagara falls to be slightly higher than the temperature at the top of the falls. Why?
asked by Anonymous 
precalculus
write the form of the partial fraction decomposition of the rational expression (2x4)/(x^21)
asked by Anonymous 
precalculus
write the form of the partial fraction decomposition of the rational expresion. (x^2x+2)/x(x1)^2
asked by Anonymous 
Math
1 3 3 6 6 10 10 15 How do you get from the first number to the next?
asked by Katie 
Science
The Sun exerts a gravitational force of 3.56 x 10^22 N on Earth. The mass of the Sun is 2.0 x 10^30 kg. The mass of the Earth is 6.0 x 10^24 kg. If we assume the Earth has a circular orbit of 1.5 x 10^11 m, what is the velocity needed for Earth to remain
asked by Boberto 
precalculus
how do you determine when a system of equations is written in rowechelon form?
asked by Anonymous 
English
Why does Hawthorne begin the story with a reflection about the need for a cemetery and a prison? I read the chapter 1 and dont know why the author begin the story like that. The book is called the scarlet letter and question pertains to the first chapter.
asked by Emma 
AP Chemistry
The rate constant for the equation, 2C2F4 → C4F8, is 0.05 M^−1· s^−1. We start with 0.111 mol C2F4 in a 3.00liter container, with no C4F8 initially present. What will be the concentration of C2F4 after 1.00 hour? Answer in units of M.
asked by David 
precalculus
write the system of equations in rowechelon form 2x+4y+z=4 2x4y+6z=13 4x2y+z=6
asked by Anonymous 
precalculus
write the equation of the parabola y=ax^2+bx+c that passes through the points(0,3), (1,4), and (2,3)
asked by Anonymous 
algebra
Suppose that the number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of 11% per hour. Suppose also that a sample culture of 1000 bacteria is obtained from this population.
asked by rhonda 
Linear Algebra
Let L be the line with parametric equations x = 1−2t y = 3+3t z = −1−3t Find the shortest distance d from the point P0=(1, −4, −2) to L, and the point Q on L that is closest to P0. Use the square root symbol '√' where needed to give an exact
asked by Ramit Rana 
Science
A new geosynchronous satellite needs an orbit of 35.7 km . The mass of the Earth is 5.97x 10^24 Kg and the radius of Earth 6.4 x 10^3 km. The mass of the satellite is 200 Kg. What velocity will it need to achieve that orbit?
asked by Boberto 
math algebra
The lengths of the three sides of a right triangle are given by three consecutive even integers. Find the lengths of the tree sides.
asked by laura 
Social Studies
Which of the following was stated as part of the Dred Scott v. Sandford ruling? A. Only Congress could decide wheter to allow slavery in the territories. B. Congress could not decide wheter to allow slavery in the territories. C. Popular sovereignty was
asked by ¤Steampunk¤ 
Physics
An iron ball of diameter 15.23cm rests on a brass ring of internal diameter 15.0cm at a temperature of 20 degrees celsius. To what temperature must both be heated for the ball to pass through the ring?
asked by Onyi 
Literature
What does this quote mean> "The world abounds with masterpieces, and yet they do not fill my two hands"
asked by Mia 
Math
The sales tax in the town where Amanda lives is 7%. Amanda paid $35 in sales tax on a new stereo what was the price of the stereo
asked by Yuliana 
English
What would be an example of something that is written not for the purpose of reading?
asked by CarlyJeane 
Physics
Not sure where to go with this problem, any help is appreciated! A bike is turned upside down for repairs. The front wheel can be described as a hoop with radius R=0.6 m and mass M=1.0 kg and a small point mass m=0.005 kg attached to the perimeter to
asked by Jamie 
science
what does the slope of a electric force vs. 1/R^2 graph represent?
asked by jon snow 
Math
If I spent 1/3 of my money on a pen and 4/7 on books how much do I have left?
asked by Emily 
chemistry
Write a balanced equation for the reaction of liquid bromine with chlorine gas.
asked by annie 
math
how much should be invested now at an interest rate of 6.5% per year, compounded continuously, to have $3000 in 4 years? do not round any intermediate computations and round answer to nearest cent.
asked by . 
Chemistry
What is the relationship between the energy of a single photon and the energy of a mole of photons? This is very confusing.
asked by Molly C. Davids 
Chemistry
Phthalic acid, H2C8H404, is a diprotic acid used in the synthesis of phenolphthalein indicator. Ka1= 1.2x 10^3, and Ka2 = 3.9 x 10^6. a) Calculate the hydrongenion concentration of a .015 M solution. b) What is the concentration of the C8H4O4^2 ion in
asked by Crystal 
Physics
A 250kg rollercoaster cart loaded with people has an initial velocity of 3m/s. Find the velocity of the cart at part A (10m high), B (35m), and C (44m) Assume that friction is negligible.
asked by Anna 
Physics
An ore car of mass 44000 kg starts from rest and rolls downhill on tracks from a mine. At the end of the tracks, 26 m lower vertically, is a horizontally situated spring with constant 4.5 × 105 N/m. The acceleration of gravity is 9.8 m/s 2 . Ignore
asked by Jack 
physics
An airplane is flying above the Earth's surface at a height of 10.9 km. The centripetal acceleration of the plane is 16.7 m/s2. What is the angular velocity of the plane moving in uniform circular motion? Take the radius of the earth to be 6400 km. Please
asked by Uoit student 
Math Logs
logbase4(x+5)=3+logbase4(x2) Tried so many times please help!
asked by Laura 
Physics
An airplane is flying above the Earth's surface at a height of 10.9 km. The centripetal acceleration of the plane is 16.7 m/s2. What is the angular velocity of the plane moving in uniform circular motion? Take the radius of the earth to be 6400 km.
asked by Uoit student 
Science
A new geosynchronous satellite needs an orbit of 35.7 km . The mass of the Earth is 5.97x 10^24 Kg and the radius of Earth 6.4 x 10^3 km. The mass of the satellite is 200 Kg. What velocity will it need to achieve that orbit
asked by Boberto 
Chemistry
1.Which of the following is most soluble in water and why ? a.Ag2SO4 b.Hg2SO4 c.MnCO3 d.CaSO4 2.PH of which salt is same for 1M and 5M solution both and why? a.HCOONa b.C6H5NH3^+Cl c.NH4CN d. NaCN 3.NH4OH is highly soluble in and why ? a.CuSO4 b.AgNO3
asked by Minhoya 
English
can anyone please summarize the short story "an ordinary soldier of the queen" because I didn't understand it at all and I am very confused ? I read it 3 times but still dont understand what happened, if anyone has read it please help:) very appreciated:)
asked by Eriha 
Inequality 6 grade math help
Am I doing this right? Mr. Wizard started at zero and jump to left 7 feet. Auntie long legs started at zero and John to right 5 feet which frog was ahead? Write an inequality statement (using < or >) to compare the values of their lending points. 7
asked by Jessica 
Math
There are 20 bottles in a box. Each bottle weighs 1 3/4 pounds. How many pounds do all the bottles weigh together?
asked by Pamela 
Absolute value statement
This is part b:can someone help me of I'm doing this right. Mr. Wizard started at zero and jump to left 7 feet. Auntie long legs started at zero and John to right 5 feet. Wright an absolute value statement that shows the distance that each frog ended up
asked by Jessica