Questions Asked on
October 4, 2014

Algebra
A student scores 83 and 91 on her first 2 tests. Write and solve a compound inequality to find the possible values for a 3rd test score that would giver her an average between 85 and 90 inclusive. I know she has to score between 81 & 96 but I'm not sure
asked by Tricia 
math
a hall charges $30 per person for a sports banquet when 200 people attend. for every 10 extra people that attend, the hall will decrease the price by $1.50 per person. what number of people will maximize the revenue for the hall?
asked by sunny 
physics
A car of mass 550 kg is moving at a speed of 1.5 m/s. A man pushes the car, increasing the speed to 3.2 m/s. How much work did the man do? A. 3435 J B. 2816 J C. 2197 J D. 4123 J
asked by meriyhome 
physics
You use an inclined plane to move furniture into a truck. You perform 224 kJ of work, but only do 91 kJ of useful work. What is the efficiency of the inclined plane?
asked by meriyhome 
statistic
A “Set” within quantitative theory represents…?
asked by Anonymous 
chemistry
The following equation represents the partial combustion of methane, CH4. 2CH4(g) + 3O2(g) > 2CO(g) + 4H2O(g) At constant temperature and pressure, what is the maximum volume of carbon monoxide that can be obtained from 3.39 x 102 L of methane and 1.70 x
asked by george 
Spanish
Write four different questions for the following sentences 1. Mariana canta en el coro (choir) de la universidad 2. Carlos busca el libro de arte 3. La profesora Gutierrez ensena contabilidad 4.Ustedes necesitan hablar con el profesor de economia
asked by lisa 
Science
Which of the following is not part of the cell theory? (1 point) Cells are the building blocks of life. All living things are made up of cells. All cells are created from other cells through cell division. The nucleus is the control center of the cell. 3.
asked by Dfca 
Math
1. A strip of wood 78 inches long is to be cut into pieces 3 3/4 inches long. How many pieces can be cut? A. 12 B. 26 C. 20 D. 21 C?
asked by Sarah 
chem
Consider the chemical reaction, 2Al + 3Cl2 → 2AlCl3. Here, 56 g of Al can produce 415.14 g of AlCl3 (Molar masses: Al = 26.98 g; Cl = 35.45 g). true or false
asked by bekah 
chem
consider the chemical reaction, 2Al + 3Cl2 > 2AlCl3. here, 212.7 g of chlorine can produce a maximum of 266.66 g of AlCl3 (molar mass of Al = 26.98 g and Cl = 35.45 g) true or false
asked by bekah 
Math
a truck can be rented from company A for $100 a day plus $0.60 per mile and company B charges $50 a day plus $0.80 per mile to rent the same truck. Find the number of miles in a day at which the rental costs for company A and B are the same.
asked by Isabella 
Chemistry
Weight of the Rock Salt Sample: .343 (g) Weight of the Rock Salt Solution: 9.910 (g) Trial #1 Trial #2 Trial #3 Weight of Rock Salt Solution Delivered (g) : .89 1.17 .786 Weight of AgNO3 Solution Delivered (g) : 1.53 .548 .786 Concentration of AgNO3 :
asked by Selena 
Math
1.) An expression is show: √21x; for which value of x should the expression be further simplified? a.) 5 b.) 8 c.) 37 d.) 54 2.) An expression is show: √42x; for which value of x should the expression be further simplified? a.) 11 b.) 13 c.) 20 d.) 55
asked by Gabby 
Chemistry
Use Lewis diagrams to show how electrons are shared to form covalent bonds in compounds with the following atoms. Write the formulas a) one carbon atom and four chlorine atoms i think i would share each of the four electrons of carbon with the chlorine
asked by Anonymous 
Algebra
If n is the set of natural numbers that are factors of 16, what is the set in roster form? My answer is 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16
asked by Aaron 
Algebra
What is a solution forthe inequality y>1.9? 9 2 2 1.9 My answer is if it has to be greater then 1.9 the answer must be 2.0 from those 4 choices.
asked by Tricia 
Math
19. Paul can type 60 words per minute and Jennifer can type 80 words per minute. How does Paul's typing speed compare to Jennifer's? A. Paul can type 1/3 as fast as Jennifer. B. Paul can type 3/4 as fast as Jennifer. C. Paul can type 11/3 times as fast as
asked by Sarah 
chem
how many moles of HCl will be produced when 30g of H2O are reacted according to the chemical equation 2AlCl3 + 3H2O > Al2O3 + 6HCl? (molar masses are H2o=18.015g and HCl=36>46g)
asked by bekah 
Physics
An airplane dropping supplies to northern villages that are isolated by severe blizzards and cannot be reached by land vehicles. The airplane is flying at an altitude of 785m and at a constant horizontal velocity of 53.5 m/s. At what horizontal distance
asked by Han 
accounting
Hamilton Company owns 51,600 of Hennie Company's 120,000 outstanding shares of common stock. Hennie Company pays $33,000 in total cash dividends to its shareholders. Hamilton's entry to record this transaction should include a:
asked by Anonymous 
math
A jar contains 8 pennies, 3 nickels and 4 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins. Find the expected value of X.
asked by Stephanie 
science
An object of mass m is thrown vertically upwards.At what rate will its momentum change?
asked by nisha 
English check answers please!!
"The King of Mazy May" by Jack London Which detail helps you predict that Walt will face a series of unfortunate events? a) Lifting clear on the crest of a great jam off Indian River, Walt masters met with his first accident b) The poor brute plunged in a
asked by Tyler 
chem.1
the volume of a sample of gas is 750ml at 75 degree celsius and 0.750atm.at what temperature in celsius will the sample occupy 1.000L under a pressure of 1.000atm?
asked by jovelyn 
physics
a projectile thrown at an angle Ө with the horizontal has horizontal range R and maximum height h. show that the tangent of the angle of projection is given by 4h/R
asked by swapnita paras 
business
Find the break even point if the selling price is $8 per unit, variable cost $3 per unit and fixed cost $3000.
asked by v 
business
The Springer Company sells its product for $20 per unit. Its fixed costs are $10,000 and the variable cost per unit is $10 What is the new breakeven point if the price per unit increases from $20 to $30
asked by v 
Physics
A freight train has mass of 1.6 x 107 kg. If the locomotive can exert a constant pull of 760000 N, how long does it take to increase the speed of the train from rest to 79 km/h? Answer in units of min.
asked by Casey 
chemistry
How many atoms of oxygen are in 1.5L of carbon dioxide, CO2? (assume STP conditions)
asked by Anonymous 
Chemistry
a piece of silver contains 6.42x10^22 how many dozens does it contain
asked by Amanda 
Combinatorics (math)
In a certain country, 40 roads lead out of each city. When all roads are open, it is possible to travel from any city to any other. Each road leads from one city to another; there are no dead end roads. If one road is closed for repairs, is it still
asked by Jenna 
Algebra
p10=20 p=30? My teacher says there has to be 2 solutions for the absolute value
asked by Coleson 
History, Urgent
Early in the war, American Indians living in Indian Territory disagreed on which side to take. Which of the following best describes the split that occurred? A.groups split along religious lines (Christians vs. nonChristians) B.groups split along tribal
asked by Katt<3Bobby 
History, Urgent
Who negotiated with the five tribes to convince them to side with the South durnig the Civil War?
asked by Katt<3Bob\by 
social studies
What kind of industry is diamond ring?
asked by Pam 
science
An electron drop to what energy level is likely to emit a photon in the infrared region?
asked by liz 
History
Did Lincoln want to assimilate the American Indians to the American lifestyle?
asked by Katt<3Bob\by 
Chem Help Please!
You are carryingout TLC on normal phase plates. Compound A has an Rf of 0.4 and compound B of 0.6. What would happen to the Rf values if you increase the polarity of the mobile phase? For the compounds in question 1, you change to running them on reverse
asked by Bailey 
us history 1 ch3 study guide
with an increasing population, the british clonists faced a shortage of what?
asked by yugenny 
teaching/technology ch 5
computer storage that is long term and continues after the power to the computer has been turned off is?
asked by Anonymous 
AP Statistics
many companies "grade on a bell curve" to compare the performance of their managers and professional workers. this forces the use of some low performance ratings, so that not all workers are listed as "above average". Ford Motor company's "performance
asked by AnaGloria1020 
Science
How fast will A 0.15kg baseball accelerate if a batter hits the ball with a force of 420Newtons?
asked by Ray Brown 
Algebra
Suppose U = 1,2,3,4,5,6,7,8 is the universal set and P = 1,3,5,7, What is P? My answer is 1,3,5,7
asked by Aaron 
Math
2. Lavina wants to buy a rocking chair for $160. She will pay 10% down and pay the rest in six monthly installments. What will be the amount of each monthly payment? A. $27 B. $16 C. $24 D. $26 C?
asked by Sarah 
chemistry
properties of the three state of matter.and seperation techique for silver chloride and sodium trioxonitrate(v)
asked by GIFT 
chemistry
separation techniquesfor silver chloride and sodium trioxonitrate(v).and properties of the three state of matter.
asked by gift 
union county
What is the annual opportunity cost of a checking account that requires a $260 minimum balance to avoid service charges? Assume an interest rate of 2.5 percent.
asked by Anonymous 
math
If evies chicken lays 4 eggs in 5 days how many days will it take for evies chicken to 16 eggs?
asked by Eva 
HELP!
is nursing a science major?
asked by Laruen 
Algebra
A soda machine has flavors cola, root beer, an lime.Second machine has lemon, orange, cola, and cherry. What represents all flavors in the 2 machines? My answer: cola, cola, root beer, lime, lemon, orange, and cherry
asked by Tricia 
chem
the molar mass of NaCl is 58.45g. How many molecules does a gram of NaCl contain?
asked by bekah 
Algebra
Start from 110 feet away, a person on a scooter rides towards a checkpoint and then passes it. At what times is the scooter 40 feet away from the checkpoint? My answer is 2.3 to 4.6 seconds
asked by Aaron 
Science
When you see lightning strike, you probably wil see thunder soon. Is this theory or law? I think its theory, what do you think
asked by Mckenna 
Algebra
Of 375 musicians some play only jazz band, some play only the marching band, some play both.If 250 play in the jazz band and 130 play in both, how many play in the marching band? My answer is 135
asked by Sandy 
Chemistry
My prelab is telling me to find the initial concentrations of I(^) and S208(^2) given the following reaction: 25 mL of 0.2 M KI + 48.00 mL 0.2 M KNO3 + 1 mL 0.4 M Na2S2O3 + 1 mL starch + 25 mL 0.2 M (NH4)2S2O8 + 1 drop EDTA How do I calculate the
asked by Louise 
Physics
What should the theoretical maximum value of the uniform acceleration of a object freely rolling down an inclined plane and what would the angle of elevation be?
asked by Brendan Byrnes 
math evaluation
So how am I suppose to Evaluate the expression and put it in simplest form? It's 7th grade math. The question I need help on is: 8/3 + 1/4. If u comment and show me how u got an anwser THANKS!!!!!
asked by Allison Earnheart 
statistics
In a major city 7 % of cars have an alarm system installed. A car without an alarm has a probability of 0.01 of being stolen, this is triple the probability of a car with an alarm being stolen. What is the probability that a car stolen from this city has
asked by Joe 
Physics
A basketball is thrown at 45° to the horizontal. The hoop is located 6.2 m away horizontally at a height of 1.1 m above the point of release. What is the required initial speed? I know that I need to use d = vit + (0.5)at^2, but I then get stuck. Thanks!
asked by Alex 
Algebra
z 1/5 > 1/4 My answer is z < 9/20
asked by Steve 
p.e
It is important to choose simple carbohydrates for breakfast to get you started for your day. True False True? Thanks
asked by anonymous 
math
Lester jogs 5 3/4 miles on each day that he jogs. Last month, he jogged a total of 115 miles. How many days did he jog last month?
asked by Janaya 
Math
ScarletCamille needs three lengths of wood to finish a project. She needs one piece measuring 148 cm, one piece measuring 38 cm, and one piece measuring 42 cm. Every time ScarletCamille cuts a length of wood she loses 3 mm of wood. If ScarletCamille can
asked by Whitney 
Ashford University
The untimely death of Professor Hathaway halted his groundbreaking research into the uses of solar power. It therefore appears that Hathaway’s research will not result in practical applications.
asked by Anonymous 
Chem Help Please!
You are carryingout TLC on normal phase plates. Compound A has an Rf of 0.4 and compound B of 0.6. What would happen to the Rf values if you increase the polarity of the mobile phase? For the compounds in question 1, you change to running them on reverse
asked by Bailey 
Math
Convert 86 inches to yards, feet, and inches? Why the inches again?
asked by Whitney 
math
Solve 2s^34r^2 if r=1 and s=5 I did 2*5*5*5=250 4*1*1=4 2504=246 I also added 2*5^34*1^2=246 Am I correct? Thanks
asked by anonymous 
Math
A regulation baseball bat must be 2/3/4 inches or less in diameter and shorter than 42 inches long. Which bat would not be allowed? a)diameter 6cm b) length 0.9m c)diameter 7m d)length 1.0668m d?
asked by Whitney 
Calculus
Find the equation of the tangent to the curve y=3x^2+4x which makes a 45 degree angle with the negative xaxis
asked by MinGyu 
1333 math
Probability Scores 0.2 0 0.2 2 0.05 4 0.45 7 0.1 9 Find the variance of the above random variable random variable.
asked by Stephanie 
Math
6. If 31/2 pounds of bananas cost $.98, how much would one pound cost? A. $.20 B. $.14 C. $.28 D. $.18 C? 7. A used car is priced at $2,695. If you borrow the money for the car, your payments will be $122 a month for 30 months. How much will you save by
asked by Sarah 
chemistry
Identify the functional groups in menthol
asked by art 
algebra
2x+3(x2)^2
asked by Tabitha 
Chemistry
My prelab is telling me to find the initial concentrations of I(^) and S208(^2) given the following reaction: 25 mL of 0.2 M KI + 48.00 mL 0.2 M KNO3 + 1 mL 0.4 M Na2S2O3 + 1 mL starch + 25 mL 0.2 M (NH4)2S2O8 + 1 drop EDTA How do I calculate the
asked by Louise 
PreCalc/Trig...
if h(x)=(fog)(x) and h(x)=3√x+3 find g(x) if f(x)= 3√x+2
asked by Anonymous 
Algebra
How do you solve the equation by completing the square X^2+4x=10
asked by Steph 
Physics
A car drives at 15 m/s and has an air resistance force of 277 N. What is the air resistance force at 30 m/s? A truck drives at 9.7 m/s and has an air resistance force of 380 N. What is the air resistance force at 32 m/s? A 85.0 kg skydiver is falling at a
asked by Becky 
Chemistry
My prelab is telling me to find the initial concentrations of I(^) and S208(^2) given the following reaction: 25 mL of 0.2 M KI + 48.00 mL 0.2 M KNO3 + 1 mL 0.4 M Na2S2O3 + 1 mL starch + 25 mL 0.2 M (NH4)2S2O8 + 1 drop EDTA How do I calculate the
asked by Louise 
science
A “Set” within quantitative theory represents…?
asked by Anonymous 
english
which sentence is correct? a) They are trying their best in the hope of winning the race. b) They are trying their best in the hopes of winning the race. c) They are trying their best in hope of winning the race. d) They are trying their best in hopes of
asked by lilly 
math
a 1000 seat multiplex is divided into 3 theatres. there are 310 seats in theatre A.theatre C has 180 seats then theatre B. how many seats are there in theatre b?
asked by shafiqah 
physics
The distance between two telephone poles is 54 m. When a 2.0 kg bird lands on the telephone wire midway between the poles, the wire sags 0.16 m. How much tension in the wire does the bird produce? Ignore the weight of the wire. Answer in units of N.
asked by christie 
Math
How do you solve the equation by completing the square X^2+4x=10
asked by Steph 
Physics
A 7.80 kg particle starts from rest and moves a distance of 8.90 m in 2.60 s under the action of a single, constant force. Find the magnitude of the force.
asked by Waverly 
Math
What is (7)^5 in expanded form? A. 7x7x7x7x7 B. 7.5 C. (7)x7x(7)x7x7 D. 5x5x5x5x5x5x5 Is the answer A? Thanks
asked by Anonymous 
chemistry
what is the concentration in ppm of Ag in a 245 lb of Ore that contains 83.5 g of silver?
asked by melo 
algebra
find single digit positive interger values x and y so the four numbers x++y, 3x+2y,8 and 9 can be combined to make 24.
asked by seekii 
accounting
Jesper Parnevik borrowed $70,000 on March 1, 2012. This amount plus accrued interest at 12% compounded semiannually is to be repaid March 1, 2022. To retire this debt, Alex plans to contribute to a debt retirement fund five equal amounts starting on March
asked by Anonymous 
AS Physics
A driver leaves his car without applying the hand brakes on a road inclined at an angle of 25 degrees. The car starts to roll down the road with the driver chasing from behind after moving a distance of 20 m the speed of the car is 5.0 ms1. Calculate the
asked by Ariana 
physics
You overindulged on a delicious dessert, so you plan to work off the extra calories at the gym. To accomplish this, you decide to do a series of arm raises holding a 5.5kg weight in one hand. The distance from your elbow to the weight is 36cm , and in each
asked by dia 
Physics
An object that starts from rest completes 7 revs in 3 seconds. What is angular accel. in rad/s2?
asked by L 
physics
A 74.0kg person is put on an exercise program by a physical therapist, the goal being to burn up 550 food calories in each daily session. Recall that human muscles are about 21.0% in converting the energy they use up into mechanical energy. The exercise
asked by dia 
chemistry
8.10 g metal combines with 7.20g of oxygen to form X2O3. What is the relativ e mass of X
asked by treasa 
physics
Why in free fall condition the length of water column in capillary tube is equal to length of tube?h=2Tcos theta /drg where h is rise in? height ,T=SURFACE TENSION d=DENSITY r=RADIUS OF TUBE AND g=ACCELERATION DUE TO GRAVITY explain from this formula how
asked by zoha 
Algebra
5y =3
asked by Aaron 
physics
In free fall ,atmospheric pressure is also not present?i mean pressure is force per unit area ,so atmospheric pressure comprises force but? in free fall there should be only gravitational force so atmospheric pressure is not present in free fall?
asked by zoha 
physics
is sky diving free fall?i mean free fall is when the only force acting is gravitational force but in sky diving drag force also present? so how sky diving can be considered as free fall?
asked by zoha 
math
A person purchased a $204,815 home 10 years ago by paying 10% down and signing a 30year mortgage at 10.2% compounded monthly. Interest rates have dropped and the owner wants to refinance the unpaid balance by signing a new 30year mortgage at 5.1%
asked by Ciara 
physics
Find the magnitude of A+B(vectors),where A(vector) = (31.3, 63.9) B(vector) =(88.5, 142.0)
asked by Mert 
Chem Help Please!
In most cases with GLC the area under the peak as a % of the total area for all peaks is interpreted as representing the % mass of the compound measured in the mixture. Explain why this is only an approximation. I've tried to find the answer online but
asked by Anonymous 
Physics
A 55kg block, starting from rest, is pushed a distance of 5.0m across a floor by a horizontal force Fp whose magnitude is 140N. Fp is parallel to the displacement of the block. The final speed of the block is 2.35m/s. a. How much work was converted to
asked by M 
statistics
how to identify the 5 W's in the problem of the student averages in a High School college algebra class for the last semester. the teacher wanted to see how well the class did and constructed the Distribution from the grade book. who Students what
asked by nina 
Algebra
z/3= 18
asked by Aaron 
Math
A 5x7 photo fits in a frame with a 2 1/4 inch boarder. What is the perimeter of the entire shape
asked by Albert Marshall 
PreCalc
The number of pounds of apples a cannery can produce and the processing cost are P(h) = 375h and C(n) = 0.35n + 1000 where P(h) is the number of pounds of apples that can be processed in h hours and C(n) is the cost of processing n pounds of apples. Use
asked by Tori 
Math Help
Find the inverse of the following function algebraically. Show all work. f(x)=5√4x+4+2
asked by Robert 
intro edit. please.
What is, through the eyes of Hollywood, a teenager? Within this arbitrary place, teenage movies unfairly label their characters "identities" such as absent minded jocks, affluent popular girls, academically obsessed students and rebellious wrongdoers. In
asked by Anonymous 
Math
20. Find the product of 987.2365 and 1,000. A. .9872365 B. .09872365 C. 987,236.5 D. 9,872,365 Ohh now I see it is C
asked by Sarah 
Intro to Physical Science
Lucy the elephant jumps straight up from ground level with a speed of 6 meters/second. With what speed will she have just before she reaches the ground on her way back down? With no friction and then with friction.
asked by Bonni 
Chemistry
How do I solve these problems You have 2000. g of aqueous NaOH solution. The percent by mass of the solute is 4.25%. How many grams of NaOH are in the solution? If you have 100.0 mL of a 25.0% aqueous solution of ethanol, what volumes of ethanol and water
asked by Lucy 
Physics
A pilot points his aircraft due easy, while wind blows from the south. If the resultant velocity of the aircraft is 44m/s 22 degrees [n] of [e], at what speed does the wind blow?
asked by Sandara 
science
a base jumper jumps from a height of 2500m, after 2.5s how fast was he traveling
asked by nhu thao 
Health
Education, Experiences, social and cultural expectations,and religious belies are called a listener's? A. messages B. obstacles to communication C. reference points D. Defense mechanisms I think the answer is C but just not sure.
asked by Tyla 
Algebra 2 (Please, help me!)
What are the steps to performing the following transformation and then graphing it? Transformation: compress f(x) = 2x  3 vertically by a factor of 1/4.
asked by Victoria 
informal logic
Socrates claims that he knows that death is not an evil because: (Points : 1) His religion has told him so The oracle has not prevented him from saying what he said Life is a disease Death is hell None of the above
asked by alley 
Math
80=8b15+5b How do I solve this and what does check mean?
asked by Whitney