Questions Asked on
March 20, 2017

Algebra
Dale invested his savings in two investment funds. The $12,000 that he invested in Fund A returned a 1% profit. The amount that he invested in Fund B returned a 6% profit. How much did he invest in Fund B, if both funds together returned a 3% profit?
asked by Catherine 
Chemistry
1.33dm³ of water at 70°c are saturated by 2.25moles of Pb(NO3)2, and 1.33dm³ of water at 18°c are saturated by 0.53mole of the same salt. If 4.50dm³ of the saturated solution are cooled from 70°c to 18°c.calculate the amount of solute that will be
asked by Kashim 
Statistics
The amount of time the university professors devote to their jobs per week is normally dis tributed with a mean of 52 hours and a standard deviation of 8 hours. (a) What is the probability that a professor works for more than 56 hours per week? (b) Find
asked by Melvin 
chemistry
20cm(cube) of a gaseous hydrocarbon were mixed with 90cm(cube) oxygen, and the mixture exploded. At room temperature, 60cm(cube) of gas were left. 40cm(cube) of the gas(cabon(4)oxide) were absorbed by sodium hydroxide, leaving 20cm(cube) of oxygen. find
asked by Kenry 
Chemistry
Of the compounds below,_____ has the smallest ionic separation and why? A.RbF B.K2S C.SrBr2 D.KF E.RbCl > How does one determine if a compound has a high or low ionic separation, and what is ionic separation?
asked by Mandy 
Math
1) The manager of a warehouse would like to know how many errors are made when a product’s serial number is read by a barcode reader. There are 24 errors after 1000 scans. Is it reasonable for the manager to expect less than 5% errors in 1000 scans? 2)
asked by James 
SCIENCE
When you turn on a television, you transform electrical energy into what types of energy? 1) heat energy 2) light energy 3) elastic potential energy 4) sound energy I THINK #1 ,#2 #4 Thanks for your help.
asked by Evelyn 
social studys
Compare and contrast the rise and fall of Germany and japan during the period of world war Il Please help me with this.
asked by Samantha 
MAATH!!
The formula rt = d is used to calculate distance if you know the rate and time. What is the equation for finding the time when given the rate and distance? • rd = t • d/r = t • r = td • r/d = t
asked by Agala 
Math
The formula C = 2 x Pi x r is used to calculate the circumference of a circle when given the radius. What is the formula for calculating the radius when given the circumference? C/2Pi = R*** C/2R = Pi 2 x Pi x C = R 2 x Pi/ C = R
asked by Agala 
Math
What is the domain and range fro the expentiral function f(x)=2x4^x1+3? Domain:all real numbers Range:all real numbers less than 3 Domain:all real numbers Range:all real numbers greater than 3 Domain: all real numbers greater than2 Range: all real
asked by Jass 
chemistry
6.10g of boron reacted completely with 22.9g of chlorine to give 29.0g of the metallic chloride. Calculate the empirical formula of the chloride.
asked by Kenry 
Using graphs to analyse data unit test
what are the mean median and mode of the following data set 18, 19, 20, 21, 23, 26, 26, 26 A. mean 22.4 ; median 22 ; mode 26 B. mean 22.4 ; median 26 ; mode 22 C. mean 26 ; median 22.4 ; mode 24 D. mean 23.4 ; median 22 ; mode 26
asked by Kaylee 
Math 3rd grade
List fractions in order from largest to smallest, 1/3,1/6,1/2
asked by Sherri 
Statistics
The weight of bags of pretzels are normally distributed with a mean of 150 grams and a standard deviation of 5 grams. Bags in the upper 4.5% are too heavy and must be repackaged. Also, the bags in the lower 5% do not meet the minimum weight requirement and
asked by Bill 
Math
carnival m charges an entree of $5.00 and $0.65 per tickets for the ride carnival p charges an entree fee of $10.00 and $0.45 per tickets for the ride. How many tickets must be purchased in order for the total cost at carnival m and carnival p to be the
asked by Bubbles 
History
How does Galileo defend himself against these charges of heresy by the Inquisition?
asked by robert 
Chemistry
Calculate the wavelength, in nanometers, of the spectral line produced when an electron in a hydrogen atom undergoes the transition from the energy level n = 4 to the level n = 1.v
asked by Anonymous 
Physicd
A force of 25N acts on a body at rest for 0.2s and a force of 70N acts for the next 0.1s in opposite direction .If the final velocity of the body is 5ms,the mass of the body is
asked by Shinde prathya6 
social studies
what kind of energy does a soccer player transfer to the ball? 1) kinetic 2) potential 3) sound 4) chemical I think #1 kinetic Thank you.
asked by Evelyn 
chemistry
Suppose a balloon is filled so that its volume is 2.00 L when the pressure is 1.10 atm and the temperature is 300k. What volume will it occupy if it rises to an elevation where the pressure is 418mm Hg and the temperature is 200k?
asked by Tom 
Science
If 2.4g of magnesium burns in oxygen to produce 4.0g of magnesium oxide, Write a balanced equation for the reaction
asked by Clinton 
Math
The Cougars won 62% of their games. They won 93 games. How many games did they lose? I'm not exactly sure how to approach this I tried to divide 93 by .62 but that didn't quite exactly work out and I'm not sure how to find the whole with only different
asked by Dinga 
Physics
an empty measuring cylinder weighs 100g. When it contains 20cm^3 of liquid it weighs 120 g. a) What is the density of the liquid?
asked by Princess 
Science
A wreaking ball has a mass of 315 kg. It it is moving at a speed of 5.12 m/s what is its kinetic energy?
asked by Mileena 
Algebra
1/// The truck for a moving company has interior dimensions of 187" x 89" x 77" but dimensions of the storage boxes are 24" x 14" x 27" if the moving company needs to move 200 storage different determine how many trucks will be needed 2/// Gomer stores his
asked by Zappow 
math
On the 1st of January 2014, Carol invested some money in a bank account. The account pays 2.5% compound interest per year. On the 1st of January 2015, Carol withdrew £1000 from the account. On the 1st of January 2016, she had £23 517.60 in the account.
asked by raza 
Math
Dan wants to collect data about the eating habits of his friends. Which questions are statistical questions he could ask? Select each correct answer. A) What time of the day do my friends eat their biggest meal? B) How many times each week do my friends
asked by Simone 
Chemistry
Of the compounds below,_____ has the smallest ionic separation and why? A.RbF B.K2S C.SrBr2 D.KF E.RbCl > How does one determine if a compound has a high or low ionic separation, and what is ionic separation?
asked by Mandy 
Algebra
The value of a boat is $21,200 It loses 6% of its value every year. Find the approximate monthly percent decrease in value. Round your answer to the nearest hundredth of a percent.
asked by Anonymous 
Math  Ratio's
There are a total of 700 blue, yellow, and red balls in a machine. The ratio of blue balls to the total number of balls is 2:7. The ratio of yellow balls to blue balls is 7:4. The ratio of blue balls to red is 4:3. With the given information calculate the
asked by Diana 
College algebra
If 70% of a radioactive element remains radioactive after 400 million years , then what percent remains radioactive after 600 million years? What is the halflife of this element
asked by Alexus 
science, maths
Why are electric field lines perpendicular at a point on an equipotential surface of a conductor .
asked by neeraj sunthwal 
Program Design and Development
Help on Design a class named StockTransaction that holds a stock symbol (typically one to four characters), stock name, number of shares traded, and price per share. Include methods to set and get the values for each data field. Create the class diagram
asked by lisa 
Physics/Mechanics
A particle A of mass 150g lies at rest on a smooth horizontal surface. A second particle B of mass 100g is projected along the surface with a speed of u m/s and collides directly with A. On collision the masses coalesce and moves on with a speed of 4 m.s .
asked by Anonymous 
Science @ MS SUE !
what are some advantages of using renewable energy sources instead of fossil fuels ???????????
asked by Young Trippy Lil G 
chemistry
A 5.309 g antacid tablet, with CaCO3 as the active ingredient, was mixed was 30.0 mL of 0.831 M HCl. After the reaction occurred, it took 15.3 mL of 0.7034 M NaOH to neutralize the excess acid. a) How much HCl (in mL) of was neutralized by NaOH? b) How
asked by Alex 
Chemistry
A 1.50g mixture of the solid salts Na2SO4(molar mass 142.04 g/mol) and Pb(NO3)2(molar mass 331.20 g/mol) forms an aqueous solution with the precipitation of PbSO4 molar mass 303.26 g mol The precipitate was filtered and dried, and its mass was determined
asked by Anwa 
Math
2/5 of the 40 students in class are girls. 1/4 of the girls wear glasses. How many girls do not wear glasses?
asked by Anonymous 
Math
Determine the value of a and b, so that the points (a , b, 3 ) , (2 ,0,1), (1 , 1 ,3) are collinear.
asked by Anonymous 
Math
Find the equation of the ellipse having axes along the coordinate axes and passing through the points (4 ,3), (1,4).
asked by Anonymous 
Social studies
1. Which of these is an example of capital resource? A. Workers B. Iron ore C. Entrepreneurs D. Computers 2. How does scarcity affect customers? A. Limited money forces consumers to make choices. B. Limited time prevents customers from from making
asked by BlurryFace 
Science
What are the uses of reactivity series??
asked by Dheeraj Parmar 
Algebra
How would the surface area and volume of a prism change if it was a pyramid. How would the surface area and volume change if a cylinder became a cone?
asked by YoungJedi 
Math
Lois is making applesauce. Each batch she makes yields 3.25 quarts of applesauce. Lois already has 1.5 quarts. She would like to have a total of 14.5 quarts before she is finished for the day. How many batches of applesauce does Lois need to make? A crayon
asked by Alana 
Algebra
The height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. When graphed, the function gives a line With slope of —0.4. See the figure below. Suppose that the height of the candle after 11 hours is
asked by Catherine 
Math
sqrt of 450 simplified with solution
asked by Yoli 
math
You have the numbers 1 10 in a bag.You draw a slip at random and draw another without replacing the first. Find the probability that both numbers are odd.
asked by Anonymous 
Math
an 8% solution, a 10% solution, and a 20% solution of sulfuric acid are to be mixed to get 100 milliliters of a 12% solution. How many milliliters of each must be mixed if the volume of the 20% solution must be 25 milliliters less than the volume of the
asked by Matt 
maths
I am thinking of a number. I multiply it by 10 and subract it by 127. I get the same number if I multiply by 6 and subract 11.
asked by ella 
Chemistry
A solution of boric acid (H3BO3) in water has a pH of 3.45. If the solution also contained NaHBO3, what do you expect to happen to the pH? Increase Decrease Stay the same Not enough information provided
asked by apersonyoudontknow 
Math
Help me , what is y if y=2x+10
asked by Question 
math
Geo uaually drinks 36 ounces of water per day. He read that he should drink 64 ounces of water per day. If he starts drinking 64 ounces, what is the percent increase? Round to the nearest percent.
asked by Anonymous 
Art
hey i need help i have to draw something about my personal life style and i dont now what to draw honestly
asked by Laila Gonzales 
History
Why would it be important for railroads to use strong management techniques?
asked by Ace 
Math
How many square inches of crust would it take to cover the bottom of a pie dish with a 15 inch diameter
asked by Leila 
Algebra II
the original value of a car was 16,800 after 2 years the cars value has depreciated to 9,000 find the value of the car after 5 years to the nearest dollar
asked by Chyenne 
algebra
the width of a credit card is 3 centimeters shorter than the length (L). The area is 46.75 square centimeters. Find the perimeter.
asked by help me plz 
social studies, WW1 times
10. Which of the following is the most likely reason why many Mexicans were opposed to American investment in their country? O Many Mexicans wanted to invest their own money in property and businesses in Mexico. O Most Mexicans remained poor while
asked by mali 
Social Studies
This is my question: Explain the similarities and differences between corporate farms and mixedcrop farms. I haven't written anything yet but I would really appreciate it if someone could explain to me what a mixed crop farm is and what a corporate farm
asked by La La Land 
Science
Mount St. Helens, the Great Lakes, and Death Valley are physical features of the earth. What is the scientific term used to describe these features? A. cartography B. topography C. geology D. contourology
asked by Solomon 
Science
A reaction has a standard freeenergy change of –11.70 kJ mol–1 (–2.796 kcal mol–1). Calculate the equilibrium constant for the reaction at 25 °C. Im so lost please help
asked by Roberto 
Social
Why western countries such as canada and britain favoured appeasing Hitler? Why did appeasement ultimately fail!
asked by Grace 
Math
Brian buys a package of oneinch square tiles. He wants to make a mosaic picture 5 inches long and 4 inches wide. Does he have enough tiles? If so, how many more will be left over?
asked by Sana 
Social
Why do you think such widespread discrimination was socially acceptable back then and is not today?
asked by Grace 
geometry
Two angles join to form a right angle. The measure of one of the angles is 64 degrees. What is the measure of the other angle?
asked by hector 
Chemistry
A 0.75 g sample of X2CO3 is dissolved in water and 80 mL of 0.20 M CaCl2 solution is added. This is the balanced equation I have created. X2CO3(aq) + CaCl2(aq) → CaCO3(s) + 2 XCl(aq) Based on the ratio in your balanced equation, how many moles of X2CO3
asked by Kelly 
ALGEBRA I
You need to rent a moving truck for two days. Rider Moving Trucks charges $50 per day and $.50 per mile. UMove Trucks charges $45 per day and $0.75 per mile. Write an equation describing each situation. Graph them on the same xy axis. You only need
asked by JANICE 
chemistry
I need help. please show step by step? How many milliliters of 1.0 M NaOH would be required to completely neutralize 40.0 mL of 0.60 M HCl?
asked by Alex 
Social studies
To what extent should canadians try to stop human rights abuse in other countries today?
asked by Jake 
Social Studies
Hi I was just wondering if anyone could check my answers, Thank you!! 1. Unstable government holds back economic development most in a. Namibia b. Botswana c. Somalia d. South Africa*** 2. What was the effect of diversity in Dafur? a. NGOs b. Apartheid c.
asked by Anonymous 
Math
Karen wants to collect data about the hobbies of her friends. The table shows a list of some questions she might ask. Is each question a statistical question that Karen can ask to collect data? Select Yes or No for each question. Question Yes No How much
asked by Simone 
Vectors
prove the vector projection of v on v is v using the vector projection formula.
asked by Stacy 
Science 6
When striking a match what type of energy is represented? A thermal B chemical potential C mechanical D electromagnetic I think the answer is b Thank you
asked by Jaden 
L.A
2) After reading the poem, what can you conclude about the moon? A. She is mad at the sun because she is tired and he is keeping her up. B. She thinks the night is her territory, not the sun’s. *** ?? C. She is glad the sun is there to shine with her,
asked by CJ So Cool 
Science
What type of boundary is an earthquake? I think it is either Transform or Divergent.
asked by Please Help !!!! 
Physics
A Car is travelling 20m/s when it pulls out to pass a truck that is travelling at 18 m/s. The car accelerates at 2.0m/s^2 for 7.0 seconds B) What is the car's speed at the end of the period of acceleration? Vi=20 m/s Vf=18 m/s a= 2.0m/s^2 t=7.0 Seconds I
asked by Lilly 
Math
A swimming pool holds 27460L of water. How long will it take to fill the pool at a rate of 50L/min?
asked by Anonymous 
History
Why might Galileo write a letter defending himself at this time?
asked by Dall 
History
Why might Galileo write a letter defending himself at this time? (1615; when he wrote "Galileo's Letter")
asked by Dall 
Chemistry
A gas occupies 56.44 L at 2.00 atm and 310 K. If the gas is compressed to 23,520 mL and the temperature is lowered to 281 K, what is the new pressure in torr?
asked by Tom 
English
Which of the following is a way that imagery can be used? to present facts during debates to inspire audiences during speeches to entertain readers with a play on words to impress readers with facts and evidence My answer is the third one
asked by Steve 
Maths
64 men can complete a work in 15 days.to complete the same work in 12 days how many more men are required
asked by Ali 
English
the literary device of foreshadowing is used in which of the following excerpts? They're spoiled and we're spoiled Those screams  they sound familiar I have a feeling it'll be Africa again before then They're not old enough to do that alone, I explained
asked by Steve 
Trigonometry
Someone please help!!!? 7. What is 1/cot(x) in terms of sine? This is what I've got so far: sin = 1/csc tan = 1/cot 1+cot2(x) = csc2(x) 1/1+cot2(x) = 1/csc2(x)
asked by Meg 
math
4865 cubic feet out of 27000 cubic feet what is % completed
asked by cyndi 
Trigonometry
12. Find the exact value of sin(2x) if sin(x)=1/2. sin(2x) = 2sin(x)cos(x)
asked by Mess 
Mental Health
Can you help determine what would be the best approach to answering the following question? I selected E but the wording NOT has me unsure about whether to select D. Which of the following are NOT representative of psychological causal factors of abnormal
asked by Lencho 
maths , science
Two point charges q and 2q are kept 'd' distance apart . Find the location of point relative to charge 'q' at which potential due to this system of charges is zero.
asked by neeraj 
Art
Find examples of tints, shades, primary and secondary colors, and warm and cool colors in "the banjo lesson". Thanks!
asked by Katie 
maths
In an isosceles triangle angle in the top vertex is twice the sum of the base angle. Find the exterior angles of the triangle.
asked by koushik 
math
Four men, Eddie Jake, Deon, and Fred are watchmen in a small factory in Lorain. Their job consists of two daily shifts of six hours each, interrupted by a rest of several hours. At any hour of the day or night there must always be two men on duty. However,
asked by kim 
Program Design and Development
Help on Design a class named Book that holds a stock number, author, title, price, and number of pages for a book. Include methods to get and set the values for each data field. Write the pseudocode that defines the class?
asked by angie 
Mental Health
Can you help determine what would be the best approach to answer the following question? I selected E but the wording NOT has me unsure about whether to select D. Which of the following are NOT representative of psychological causal factors of abnormal
asked by Lencho 
Chemistry
I am having trouble getting the right answer for this question please help. Calculate Kc for the FeSCN2+ formation equilibrium [FeSCN2+] = 3.49x10^5 M [Fe3+] = 4.39x10^4 M [SCN] = 1.93x10^4 Kc = [FeSCN2+] / ([Fe3+][FeSCN2+]) * ([SCN]  [FeSCN2+]) I
asked by Amanda 
calculus
If y satisfies y′′ =4, y′(1)=10,and y(1)=6,what is y?
asked by melina 
MATH HELPP!!!
The graph below was drawn with output on the vertical axis and input on the horizontal axis. What does this graph indicate about the relationship between the input and the output? (There is a line line that is straight on the +7 on the graph)
asked by Agala 
Chemistry
carbon disulfide is prepared by heating sulfur and charcoal. the chemical equation is S2(g)+C(S)=CS2(g) and Kc = 9.4 at 900K. How many grams of CS2(g) can be prepared by heating 8.9moles of S2(g) with excess carbon in a 5.00L reaction vessel held at 900K
asked by Angie 
MATHEMATICS
Find the curved and total surface area of a right circular cone,of base radius 8cm and height 10cm
asked by JOHN 
Math
Carter Kurtz a 7 foot piece of wood into eight equal size pieces to make chair legs how long is each piece of wood
asked by Grady 
physics
An arc lamp operates at 80V . suggest a method to use it with 240 V d.c. source
asked by ria 
English
1. From whom did you get the bike?  I got the bike from my father. 2. Whom did you get the bike from?  I got the bike from my father. 3. Who did you get the bike from?  I got the bike from my father. ========================= Which question is commonly
asked by rfvv 
English
1. How many ballpoint pens do you have? 2. How many ballpoints do you have? 3. How many ball pens do you have?  Is #3 incorrect? 4. It's close to my house. 5. It's near my house. 6. It's by my house.  Do you
asked by rfvv 
math
1 A particle is moving in a stright line with the position at any time t is given by s= t³–9t²+3t+1,where s in meters and t in second. Find its position and acceleration when velocity is ¯24m/s 2. Given that x²cos y_sin y=0,(0,π). A. Verify that the
asked by aboddu 
Electricity and Magnetism
When you apply a magnetic field to a material it is observed that the magnetic field inside decreases. What material property have you observed? a) Paramagnetism b) Diamagnetism c) Ferromagnetism
asked by John 
English
1. Are you happy with your school uniform? 2. Are you satisfied with your school uniform? 3. Are you happy related to your school uniform? 4. Are you happy because of your school uniform?  Does #1 mean #2? What about the other
asked by rfvv 
Science  hyperthyroidism
Hello, Can someone explain to me how does negative feedback loop work with a person whose condition is hyperthyroidism? How does graves disease effect the homoeostasis of the thyroid function and its production of hormones I am reading the book but it does
asked by John 
History World
Were tanks used by the British in World War I? I think to break the stalemate by successfully conquering No Man Land is that correct?
asked by Paige 
maths
A particle of mass 40 40kg moves in a straight line such that the force (in newtons) acting on it at time,t (in seconds) is given by, 160t^4320t^2360 at time t=0, v is given by v(0)=10, and its position x is given by x(0)=14. What is the position of the
asked by s17 
Calculus  Integrating
Question: ∫(x^2)/sqrt(x^2+1) u=x^2+1 , x^2= u1, du=2xdx ∫(u1)/sqrt(u) , expand ∫u/sqrt(u)  1/sqrt(u) Integrate: 2/3(u^(3/2))  2u^(1/2) + c My answer: [ 2/3(x^2+1)^(3/2)  2(x^2+1) + c ] When I took the derivative of this to check my answer, it
asked by Liam 
History
Which one of the following events best indicates that the Cold War has become an international conflict? A) Joseph McCarthy censure by the Senate B) Eisenhower's election as president C)Khrushchev speech at the United Nations D) Joseph Stalin's rise to
asked by Evan 
PHYSICAL SCIENCES
BETWEEN DISTILED WATER,ACETONE,ETHANOL AND METHYLATED SPIRITS
asked by SIPHO 
Chemistry
Please help! I'm trying to find the solubility of Ca(OH)2 in .001305 mol/L aqueous NaOH? Saturated solution of Ca(OH)2 in 0.01305 mol/L NaOH. [HCl] = 0.1213 M Volume of HCl = 9.81 mL Volume of Ca(OH)2/NaOH aliquot = 25ml Find: 1. the TOTAL [OH] in the
asked by Alex 
physics
An arc lamp operates at 80V . suggest a method to use it with 240 V d.c. source
asked by ria 
math
find the surface area of the prism: L 11m W 6mm H 3m a)48m 3 b)346m 3 c)780m 2rd d)195m 2rd I THINK 346m SQUARED
asked by Evelyn 
Trig
what are the intercepts of the graph of f(x)=4cos^2 3 on the interval [0, 2pi]?
asked by Anonymous 
value
400cm + 3.7m + 150mm=
asked by value 
American Sign Language
I need help writing in ASL gloss, can someone that knows ASL please help me? Thanks so much!
asked by PoPo 
Chemistry
the freezing point of a water solution containing 26.1g of a non electrolyte in 538g of water is 0.73°C. what is the molar mass of the solute Thank you in advance
asked by Mika Reyes 
Chemistry
A solution containing 10.50g aniline in 226g of benzene lowers the freezing point of benzene by 2.60°C. What is the molar mass of aniline? Thank you in advance
asked by Coach Tai 
science
A gas sample has a volume of 150ml when the pressure is 175kPa. If the temperature and amount of gas remains constant, what volume will the gas sample occupy at a pressure of 120 kPa
asked by Anonymous 
Math
A manufacturer of flea collars for animals that weigh less than 5 kilograms injects the collars with 15 milligrams of a biocide that only acts on fleas. The manufacturer will release a collar that has no less than 14 milligrams and no more than 16
asked by James 
chemistry
What equation is formed when HCl is titrated against Na2CO3 using methyl orange as indicator
asked by patrick