Questions Asked on
December 11, 2015

Physichs
Two metal disks, one with radius R1 = 2.40 cm and mass M1 = 0.900 kg and the other with radius R2 = 4.95 cm and mass M2 = 1.50 kg , are welded together and mounted on a frictionless axis through their common center. A light string is wrapped around the
asked by 121 
Language Arts
1. Which sentence contains an opinion? (1 point) Thomas Jefferson supported American independence from Great Britain. He was a lawyer in his home state of Virginia. Jefferson authored the Declaration of Independence, the most important document in
asked by Alex 
history
The last part of the Declaration of Independence contains a list of complaints the colonists had against King George. Which of the following best describes an economic complaint the colonists had toward the king? A)He cut off trade. B)He took away colonial
asked by Anon 
Math
A single fair die is tossed find the probability of rolling a number different than 12. Please help me.
asked by Roa 
History
1.)Which of the following represents the civic virtue of diversity? Being open to the opinions of others Seeking honesty in oneself Arguing a point based on fact Focusing on individual rights A? 2.)What was the goal of the Alien and Sedition Acts? To stop
asked by YRN DJ 
Math
A system of equations is shown below: x + y = 3 2x − y = 6 The xcoordinate of the solution to this system of equations is _____. I'm thinking it could be X=3
asked by Student 
Math
10. What is 0.00000512 in scientific notation? The answer is 5.12 x 10 6 but I have to explain why and idk? :(
asked by Alana 
gammar
True/False. Determine if the following sentences employ the correct use of commas and apostrophes. Choose true if the sentence is punctuated correctly or false if it is punctuated incorrectly The infant’s first dextrose stick after delivery was 23;
asked by kerston 
Math
A children's play area is triangular. The sides of the play area measure 100 m 250 m and 275 m respectively. Find the area
asked by Giuseppe 
hbi pact for adults
There are 1068d common nails in one pound. How many are in 50 pound box
asked by wannetta 
Math
Heather drove 715 miles in 13 hours. At the same rate, how long would it take her to drive 495 miles?
asked by SSundee 
Math TRUE or FALSE Help
You do not need to flip the inequality sign when solving the inequality 3t + 7 ≥ 9. TRUE or FALSE? I'm not that great at knowing when to flip inequality signs... Can someone help me ASAP? Thank you for your assistance in advance. Nic
asked by Natasha 
Physics
A uniform rod is 4m long and weighs 10 kg.if it is supported on a knife edge at one metre from the end what weight placed at that end keeps the rod horizontal?
asked by priya 
math
Given the equation of a closed curve is x^22x+4y^2+16y+1=0.Find the coordinates of the two points where the lines tangent to the curve are vertical.
asked by CC 
Math
If a 14ft ladder leans against a building, with an angle of elevation of 70°, how far up the building will the ladder reach? I believe this requires law of cosines but otherwise I am lost.
asked by Nick 
FUW
Chlorine is prepare by the reaction 2KmnO4 + 16Hcl 2Kcl + 2mncl2 + 5cl2 + 8H2O what mass of KmnO4 is required to prepare 500cm3 of chlorine gas at 73mmHg pressure at 25oC?
asked by Julius Isaac Awudu 
Geometry
1. In an isosceles triangle that is not equilateral the angle between the congruent sides is called a ____ A> Leg B> Vertex C> Base D> Corollary
asked by Chase 
Chemistry
At its normal boiling point of 126°C noctane, C8H18, has a vapor pressure of 760 torr. What is its vapor pressure at 25°C? the enthalpy of vaporization of noctane is 39.07 kj/mol.
asked by Nicole 
math
Alexandra correctly answered 90% of the questions on a math test. If she missed 4 questions, how many questions were on the test?
asked by warda 
statistics
Directional and nondirectional hypotheses can be easily interchanged according to the hypothesis the researcher is testing. For instance, a drug company might predict that a drug will help a subject lose weight while another drug company might predict that
asked by tanisha 
math written assignment help
A’s DJ service charges a $200 setup fee and $75 an hour after that. B’s DJ service charges no setup fee but costs $125 an hour. (4 points) Set up equations for both of the services using x and y. Determine the variables and provide an explanation for
asked by kate 
state
A machine put the juice in the bottle with normal distribution with mean is equal to 50 cl, with the standard deviation 5 cl. Test was done to see if the claim is right. A sample of 100 bottles were tested. They got the average content of 48.9 cl. At ∝
asked by iram 
physics
A runner of mass m = 58 kg and running at 2 m/s runs as shown and jumps on the rim of a playground merrygoround which has a moment of inertia of 408 kg·m2 and a radius of 2 meters. Assuming the merrygoround is initially at rest, what is its final
asked by Anonymous 
Chemistry
If you reacted 100.0 g of carbon tetrachloride (CCl4) with excess antimony fluoride (SbF3), how many grams of carbon dichloride difluoride would be produced?
asked by Catherine 
gRammar
Proofread the following sentences. Insert punctuation as required. After a Maylard incision was made through the abdomen a retractor was used for visualization of the pelvic contents.
asked by Anonymous 
Chemistry
Suppose we had mixed 52.37 mL of 1.00 M HI solution with 25.42 mL of 1.00 M KOH solution, and measured a heat of reaction of 1.52 kJ. What is ΔH for this reaction, in kJ? Assume that all solutions have the same density as water (1.00 g/mL).
asked by Will 
Math
If someone could help me with these 6 questions, that would be great, Thank you. :) 5.) Chris wants to buy a cell phone that costs $215.00. His parents say Chris must raise 35% of the money himself. How much money much Chris raise? A.$705.00 B.$75.25
asked by Todd Thicket 
Math, Algebra II
Help would be great, it is for a "test" to see what we know, so it is not worth anything but I still would like to see if I can make changes to it before I submit it. :D 3.) Select the equation that has infinitely many real solutions. (these are all
asked by Ronald 
Math:Finance
What amount must be remitted if the following invoices, all with terms 4/10, 2/30, n/60, are paid on May 10? $850 less 20%, 10% dated March 21 $960 less 30%, 16 2/3% dated April 10 $1040 less 33 1/3%, 25%, 5% dated April 30
asked by Mike 
ELA
Determine the ideas that would be most worthy to share in a literary discussion about The Watsons Go to Birmingham1963. Provide an explanation for your choices. How did the role you selected and the work you completed help you to understand more about the
asked by Peyton 
Math
You have 8 liters of a 60% alcohol solution. How many liters of water should be added to make a 35% alcohol solution?.
asked by Help Please! 
Math
A number, plus one third itself, plus one eighth of itself, equals 70. What is the number?
asked by Emily 
Math
Find all values of 𝑐, so that the solutions of the following equation are real numbers 2x2 − 4𝑥 + 𝑐 = 0
asked by Help Please! 
Chemistry
Rank the following in order of increasing vapor pressure at 298 k: CH3CH2OH, CH3OCH3, CH3CH2CH3.
asked by Nicole 
Algreba
What is the simplified form of the expression? (2x^6)(3x^1/2) A.6x^13/2 B.6x^3 C.5x^13/2 D.5x^3 I got the answer 3x^7 but that's not one of the answer choices and I'm really lost.
asked by Jasmine 
Calulus
Fundamental Theorem of Calculus 1. (4e^x3)dx plus the number in x (6,1)
asked by Daniel 
science + check over
please check my answers + help me improve them. * 1.) explain why earth & other planets were not solid when they formed during the beginning of the precambrian, approximately 4,600 million years ago + what was this particular time period called & why is
asked by abx + 
Math
Sample size= 16 mean=3.48 and standard deviation=0.92. For a 99% confidence interval, what is the Margin Of Error
asked by Knight 
Chemistery
consider the reaction N2O5 + h2o > 2HNO3 how many moles of N2O5 must be dissolved into one more of H2O to obtain an aqueous solution of HNO3 in which the mole fraction of HNO3 is 0.5
asked by PInk ROSEE 
Math
Results for: Rumpelstiltskin Could Pronounce His Name In Six Tenths Of A Second.at What Rate, How Many Times Could He Pronounce His Name In 15 Seconds?
asked by Asiyah 
Math
Rumpelstiltskin Could Pronounce His Name In Six Tenths Of A Second.at What Rate, How Many Times Could He Pronounce His Name In 15 Seconds?
asked by Asiyah 
Math
wahts 10 gallons of gas at the price of $1.599 per gallon?
asked by Asiyah 
Physics
Salt water is poured into a U tube until it stands 0.250 m high in each arm. Oil is then added slowly to one arm until the salt water in the other arm stands 0.300 m high. The free surface of the oil then stands at 0.321 m high. (the weight density of the
asked by Jon 
math
Assume you are throwing a baseball up from the top of a building. The equation for the height of the ball, h, at time, t, is represented by the equation: h=16t^2+64t+512 (5 points) After how many seconds does the ball reach 560 feet? Explain what your
asked by kate 
Math
lim (6x+1)/(62x) as x>infinity is what number? I thought it was 0, but answer key says 3. How?
asked by Kenny 
math
two airplanes travelling in opposite directions , leave an airport at the same time. if one plane averages 480 ml/hr and the other averages 520 ml/hr, how long will it take before they are 2000 ml apart?
asked by jj 
Math
Find the right end behaviour of x^3 e^(x). The answer choices are x^3, x^3, e^x, e^x, e^x.
asked by Bella 
Math
piece wise function{y=x^22, x=1. find slope of tangent at x=1 of piece wise function. So is it 2, 1.5, or no tangent? I am confused by the 2 graphs(piecewise). Thanks
asked by Kenny 
Physics
A woman holds a 1.90mlong uniform 5.0kg pole as shown in (Figure 1) ( its horizontal). A. Determine the force she must exert on the pole at A. Express your answer to two significant figures and include the appropriate units. Enter positive value if the
asked by Natalie 
Mathematics
Solve: 3^x=7 3^2x+1=12 4^x6=2^3x
asked by James 
Finance
Mooncorp Insurance has quoted you an annual premium to insure your car of $3100. You are offered a 15% discount if you pay the lump sum immediately. They also offer an alternative payment method. You can pay the account in full by making 12 equal beginning
asked by Raila 
Maths
There were a some men, women , children in a hall.there 1 1/4 times as many men as women,and the ratio of number of women to the number of children is 8:5.when 105 more children entered the hall, the ratio of men to the children changes to 3:2. find the
asked by Mullai 
pobability
Suppose that 16% of the CD's that are distributed are defective. If you choose 5 CD's randomly, what is the probability that at least 1 of them is defective?
asked by Sarah 
probability
Grace has flipped a coin 500 times and each time is has come up tails. If she flips the coin 500 more times, how many tails should she expect? Why?
asked by Hillary 
probability
Mike Vanderjagt is the most accurate kicker in the history of professional football. He makes 91.2% of his field goal attempts. What is the probability that he will miss at most 1 out of the next 4?
asked by Anonymous 
maths
The angle of elevation and angle of depression of the top and base of a mobile tower from a mobile handset are 60 degree and 30 degree respectively. If the distances of the top and the base of the tower from the mobile handset are 15m and 8m respectively,
asked by keya 
maths (trigonometry)
The angle of elevation and angle of depression of the top and base of a mobile tower from a mobile handset are 60 degree and 30 degree respectively. If the distances of the top and the base of the tower from the mobile handset are 15m and 8m respectively,
asked by keya 
Health
Which of the following is a controllable risk factor of acquiring a noncommunicable disease?
asked by Sinistare Stewie 
SCIENCE
If you were creating a lamp by hand what type of material would you chose for the wiring and what material would you chose to coat the wiring? Why?
asked by JENE 
Physics grade 11
A car traveling at 72 km/hr hits a tree. the driver, who has a mass of 55.0 kg comes to a rest 0.10s after the impact. What is the force that acts on the driver?
asked by Maddie 
english
Which sentence is correct? a.Each guitar must be in their own case. b.Each guitar must be in its own case.****** c.Each guitar must be in his or her own case. ******answer
asked by Scott 
science
A cattleman has installed a new electric fence. The cows keep escaping because they are not deterred by the low power they experience when touching the fence. There are two dials on his controls. Would you tell him to change the amperage or voltage?
asked by JENE 
Spanish
Answer. Use a possessive adjective in your answer. Tus padres tienen un carro. ¿Es viejo o nuevo el carro de tus padres?
asked by Naomi 
probability
On a typical scantron exam, there are 4 choices for each problem (a, b, c, or d). If you are given an exam with 6 problems and you guessed randomly, what is them probability of getting at least half the problems right?
asked by Anonymous 
Health
This type of autoimmune disease occurs when the immune system attacks the layer of insulation that surrounds the nerves and slows nerve impulses. A. asthma B. allergies C. multiple sclerosis D. rheumatoid arthritis
asked by Sinistare Stewie 
gammar
There were separate instructions for the (mens', men's) examination.
asked by kerston 
intro to algebra written assignment help
Assume you are throwing a baseball up from the top of a building. The equation for the height of the ball, h, at time, t, is represented by the equation: h=16t^2+64t+512 (5 points) After how many seconds does the ball reach 560 feet? Explain what your
asked by kate 
gammar
The (doctors', doctors) conclusions were very similar to one another.
asked by kerston 
Chakote school solapur
if three resistors are connected in parallel there are 10 ohm 20 ohm and 60 ohm to a battery of 12 volt then find the effective resistance ?
asked by Bhharti 
English
1. Each woman is carrying her own bag. 2. Each woman has her own bag. 3. Each woman is moving her own back (to a place). ============== Does #1 mean #2 or #3? The expression 'is carrying' represent 'the state.' Am I right? Action of State?
asked by rfvv 
World Geography
Employment opportunities for more than five hundred people will be lost when New Development Solutions, Inc., closes its headquarters in the city of Nowhere, USA.
asked by KeSean 
Ap physics 1
The mass of a star in a galaxy far, far away, is 3.12 × 105 Earth masses, and the mean distance from the center of this star to the center of a planet with the same mass as our Earth is 2.46 × 108 km. Treating this planet and star as particles,with each
asked by Jonathan 
English
A:Sarah, have you had bibimbap before? B:No, I haven't. A: How about bulgogi? B:___________________ 1. I haven't had it, either. 2. Neither have I. 3. Nor have I. 4. Me, neither. =================== Can we use the expressions for the blank? Do you have
asked by rfvv 
Gr. 8 Math angles
Kendra has recently purchased a 27inch flat screen television. If the width of the screen is 22 inches, then what is the height of the television? Round to one decimal place.
asked by Sinead 
probability
In the game of blackjack, the player automatically wins if his two cards add up to 21 points. If you assume an Ace is worth 11 points, and the Jacks, Queens, Kings, as well as 10's are all worth 10 points; what is the probability that you get a 21 when you
asked by Anonymous 
Math
solve the exponential function for x by using common logarithms. 5^x=50^x+1
asked by Help Please! 
Physics
If I use 1.013x10^5 instead of given 101kpa....is it wrong?
asked by Shah talal 
economics
Suppose three neighbors must vote on installation of a traffic light that costs $210. All three will share the cost of the light – that is, each person will contribute $70 to the installation. Leona values the light at $50; Lionel values the light at
asked by Matt 
PHYSICS
A marble with a mass of 0.5 kg is moving to the right at 1.25 m/s and a second marble with a mass of 0.35 kg is moving to the left at 2.15 m/s. If they collide head on and the collision is elastic find the final velocities of the two marbles
asked by DAVID 
gammar
I.True/False. Determine if the following sentences employ the correct use of commas and apostrophes. Choose true if the sentence is punctuated correctly or false if it is punctuated incorrectly. The patient’s first visit, to the office, was for lower
asked by Anonymous 
algebra
Jess ate 1/4 of a pizza.Jack ate 1/3 of the same pizza.Dennis ate 1/2 of the same pizza.Explain and show with math if this is possible?
asked by Esau 
English
1. If you do it at all, do it well. (What is the meaning of 'at all' here?) 2. Do you believe it at all? (What is the meaning of 'at all' here?) 3. I don't know him at all. (What is the meaning of 'at all' here?)
asked by rfvv 
Physics
You have a boat that is capable of moving at 10.4 m/s through still water. You wish to cross a river that flows due west at 2.8 m/s. At what numerical compass heading must you pilot your boat so that you will reach a destination that is due south of your
asked by Cynthia 
math
Chip and Arlene have 60 shares of stock between the two of them. If you double the number arlene has and halve the number chip has, then they ahve the same number of shares. How many shares does charlene have?
asked by Tria 
Math
The Japanese yen corresponds to the american dollar. If the exchange rate is 150 Yen for 1 Dollar, then A japanese car sold in america for $10,000 will bring in 1,500,000 yen. If the exchange rate changes to 120 yen for each dollar, then what price in
asked by Robert 
math
The property taxes on a business office were $3000. What was the tax rate if the business office was valued at $200,000?
asked by sierra 
gRammar
Proofreading. Proofread the following sentences. Insert punctuation as required. The xrays revealed: an articular fracture of the tibia, a butterfly fracture of the fibula, and a longitudinal fracture of the femur.
asked by Anonymous 
Physics
mass of 4.00 kg rests on a rough horizontal table. The coefficient of static friction between the block and the table is 0.54. The block is attached to a hanging mass by a string that goes over a smooth pulley, as shown in the diagram. Determine the
asked by Anonymous 
Chemistry
how many milliliters of a 2.61 m h2so4 solution are needed to neutralize 71.50 ml of a 0.855 m koh solution
asked by Anonymous 
Chemistry
how many milliliters of a 2.61 m h2so4 solution are needed to neutralize 71.50 ml of a 0.855 m koh solution
asked by Patty 
physics
A Student jumps off a diving board that is 6.7 meters above the ground. As a student falls down what happens to the Potential energy, Kinetic energy, and the Total Mechanical energy.
asked by ayleen 
blair
For history class, I have to pretend to be a canadian soldier writing a letter home during ww2. However, I am experiencing writer's block and would appreciate if any of you had any creative ideas I could focus on in my letter.
asked by evie 
science
which of the following is the function of live
asked by betty 
Physics
An aeroplane is heading north at a speed of 300km/h . If wind begins blowing at a speed of 50km/h from the west , calculate the magnitude of the velocity of the aeroplane relative to ground?
asked by Ranya 
calculus
AntiDerivatives 2x^6x^3/x^2
asked by Jason 
Math
The base of a triangle is three inches more than its height. If each is increased by 3 inches the area of the triangle (1/2 bh) is 14 square inches. Find the original base (𝑏) and the original height (ℎ) in inches. (Lesson 15)
asked by Help Please! 
Pre Algebra
Scale you will need to use _______________________  Height:3 6  8 10  Burn time:4580120150 _______________________ The candle company wants a candle that will burn for the equivalent of 3 full days. Assuming the pattern continues, how tall
asked by Austin 
Calculus
As an ice cube melts its surface area in decreasing at a rate of 6 cm^2 / sec. Find the rate at which the length of each side is decreasing at the moment when each side has length 2 cm.
asked by Daniel 
Math
A woman rows a boat 1.75 miles upstream against a constant current in 35 minutes. She then rows the same distance downstream (with the same current) in 15 minutes. What is the rate of the current?
asked by Help Please! 
Calulus
You have 300 square feet of wood you will use to construct a rectangular shed with a square base and top. What is the maximum volume of your shed? Optimization Question
asked by Daniel 
Algebra 1
I'm currently working on a project for algebra in which we have to study two cab companies and their flat fees/how much they charge per mile. One of the taxi services has a flat fee of $4.25, with an added $0.50 for every mile driven. The question I need
asked by anon 
Calulus
Consider the function y = 2x^33x^2+9x+5. 1. Find where the function is increasing, where the function is decreasing, and calculate all relative extrema (local max and local min) 2. Find where the function is concave up, where the function is concave down,
asked by Daniel 
English
In the presidential election of 1860, Lincoln received 180 out of a possible 303 electoral votes. In the election of 1864, he received 212 out of a possible 233 electoral votes. (The number of possible votes declined because in the second election, only
asked by Kayla