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Shane

Questions (271)

An organization sends a random sample of surveys to 100,000 people and received 4,781 responses. A) Give a 95% confidence
1. 0 answers
2. 979 views
Why is fermentation an important process for some organisms?
1. 0 answers
2. 424 views
Two resistors of equal resistance are connected in series with each other and are connected to a battery that produces a
1. 1 answer
2. 470 views
State the x-intercepts of the graph of y=1-x^2
1. 0 answers
2. 353 views
Point P(-8,-3)and Q(6,9)are joined by a straight line.Find the equation of the line joining the midpoint of PQ to the origin.
1. 1 answer
2. 511 views
Solve for x,leave your answer in surd form. 2/x+2 + 3/x+1=5
1. 1 answer
2. 691 views
Given the quadratic function y =3x^2+10x-8 (i)Find the y-intercept. (ii)Find the x-intercept. (iii) Calculate the axis of
1. 0 answers
2. 507 views
Complete and balance the following equations.Identify each type of the reactions. (a) Cr + O2 >Cr2O3: (b)Na2CO3 + Mg3(PO4)2:
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2. 525 views
Represent this reaction with a balance chemical equation. Solid aluminium hydride is formed by a combination reaction of its two
1. 3 answers
2. 1,421 views
compleat and balance this equation. Na2CO3+Mg3(PO4)2
1. 1 answer
2. 876 views
what is the name of the ions that are formed when the following compounds dissolve in water. (a) BaBr2 (b) (NH4)2CrO4 (c)HBr
1. 1 answer
2. 501 views
Why is there difference in the quality of the poultry products?
1. 0 answers
2. 347 views
Represent this reaction with balanced chemical equation. Disilane gas (Si2H6) undergoes combustion to form solid silicon dioxide
1. 6 answers
2. 3,034 views
A solution of silver nitrate is mixed with a solution of potassium sulphide.Write the molecular,total ionic,and net ionic
1. 0 answers
2. 960 views
Based on CaCo3 + 2HCl --> H2O + CO2 + CaCl. How many ml of 1.00 M NaOH should be used in the titration. 25ml of HCL and 750mg of
1. 1 answer
2. 402 views
Based on CaCo3 + 2HCl --> H2O + CO2 + CaCl. How many ml of 1.00 M NaOH should be used in the titration. 25ml of HCL and 750mg of
1. 1 answer
2. 454 views
Ron is tiling a countertop. He needs to place 54 square tiles in each of 8 rows to cover the counter. He wants to randomly place
1. 9 answers
2. 9,835 views
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A
1. 0 answers
2. 582 views
Which of the following represents a decimal system of measurement?1 quart = 16 fluid ounces 1 mile = 5,280 feet 1 kilometer =
1. 2 answers
2. 1,117 views
A stone is catapulted at time t = 0, with an initial velocity of magnitude 21.5 m/s and at an angle of 35.3° above the
1. 0 answers
2. 1,202 views
If 20ml of a 2.0M solution of HCl is diluted to 500mls, what is its new molarity?How do I work this out
1. 1 answer
2. 329 views
A saturated Ni(OH)_2_ can be prepared by dissolving 0.239 mg of Ni(OH)_2_ in water to make 500.0 mL of solution. What is the Ksp
1. 1 answer
2. 847 views
Find the general solution using the method of undetermined coefficients.y''' - 10y'' + 25y' = e^(-x) cos x + e^(5x) + x.
1. 1 answer
2. 823 views
What is the electron dot structure of Ethanol?
1. 1 answer
2. 520 views
Suppose 10 undergraduate students are selected randomly to be interviewed about credit card usage. Is the selection of 10
1. 1 answer
2. 493 views
Explain how negative feedback systems maintain homeostasis in non-stable environments.
1. 0 answers
2. 478 views
What are 3 components of the regulatory control system of the body?
1. 0 answers
2. 431 views
two runners jog around an oval path at constant rates, but in opposite directions. One runner completes a lap every 10 minutes,
1. 1 answer
2. 624 views
how many cubic feet are in the volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout?Express
1. 1 answer
2. 546 views
Compute: 7!/6! x 3!2!/(8-1)!. Express answer as acommon fraction.
1. 1 answer
2. 369 views
Write the product 35/14x3/125 in scientific notation.
1. 0 answers
2. 422 views
Six people are going to be seated in a row of 8 chairs. How many different ways may they be seated?
1. 1 answer
2. 748 views
Two runners jog around an oval path at constant rates, but in opposite directions. One runner completes a lap every 10 minutes,
1. 0 answers
2. 522 views
What numeral is in the 100th decimal place in the decimal representation of 6/7?
1. 1 answer
2. 565 views
If the sides of a square are lengthend by 7cm, the area becomes 121cm^2. Find the length of a side of the orginal square.
1. 1 answer
2. 449 views
I have a series of questions that I did. They lead up to the last question I can't solve. Could you check my math and help me
1. 0 answers
2. 776 views
Durring the late 1970's prices quoted in terms of the Israeli currency, the shekel, rose so fast that the grocery stores listed
1. 1 answer
2. 888 views
Which figure in the pattern below will have 99 squares?Figure 1 (picture of 1 square) Figure 2 (picture of 3 squares) Figure 3
1. 1 answer
2. 713 views
Suppose a market with two sellersSeller 1 has a marginal cost of c1=20q1 and seller 2 has a marginal cost of c2=40q2 Find the
1. 0 answers
2. 557 views
Given f(x)=sin(x)-2cos(x) on the interval [0,2pi]. Determine where the function is concave up and concave down, and increasing
1. 0 answers
2. 567 views
Help with this problem please. I don't get it at all.A ship is heading due north at 12 mph. The current is flowing southwest at
1. 2 answers
2. 2,013 views
An experiment consists of tossing a coin 14 times.(a) How many different outcomes are possible? (b) How many different outcomes
1. 1 answer
2. 3,138 views
Estimate the velocity of the groundwater flowing from a point 500 feet from a creek. The point is 50 feet above the surface of
1. 0 answers
2. 537 views
I have a few problems I need you to take a look at and tell me if I arrived at the right answer.1. I am to use the intercepts to
1. 0 answers
2. 611 views
Can you check my essay, it is not done, but I want to see if I'm on the right track? My essay is on Hamlet and the thesis
1. 16 answers
2. 783 views
I have tried this problem a few ways, and I am getting frustrating results. Could you help me out by showing me how to set the
1. 1 answer
2. 498 views
A softball of mass 0.220 kg that is moving with a speed of 6.5 m/s (in the positive direction) collides head-on and elastically
1. 2 answers
2. 6,780 views
A vertical spring (ignore its mass), whose spring constant is 980 N/m, is attached to a table and is compressed 0.160 m.(a) What
1. 0 answers
2. 1,330 views
A 0.455 kg wood block is firmly attached to a very light horizontal spring (k = 160 N/m). It is noted that the block-spring
1. 4 answers
2. 1,083 views
A 17 kg child descends a slide 3.5 m high and reaches the bottom with a speed of 1.5 m/s. How much thermal energy due to
1. 3 answers
2. 781 views
Calculate the velocity of a satellite moving in a stable circular orbit about the Earth at a height of 2600 km.
1. 5 answers
2. 555 views
Most housewives use spin dryers to dry their clothes. Explain how water is removed from the clothes in a spin dryer.PLEASE
1. 2 answers
2. 816 views
A sled slides down a snow-covered hill at CONSTANT SPEED. If the hill makes an ANGLE of 10degrees ABOVE THE HORIZONTAL, WHAT IS
1. 3 answers
2. 1,668 views
According to the law of universal gravitation, there is force of attraction between any two bodies in the universe, WHY CAN'T
1. 3 answers
2. 868 views
A 1.50x10cube is going up a road inclined at 10degrees. If the coefficient of friction is 0.7. Determine the force that will
1. 1 answer
2. 347 views
The mass of a certain planet is six times the mass of the earth and the diameter of the planet is twice the diameter of the
1. 1 answer
2. 648 views
Runners in the 100-m dash use starting blocks. Explain what this device does.PLEASE HELP.
1. 1 answer
2. 419 views
Why does a gun move backward(recoil) when it is fired?
1. 1 answer
2. 419 views
A 25 kg object accelerates from rest to a 0.45 m/s in 1.3 seconds. If the coefficient of friction between the object and the
1. 1 answer
2. 490 views
A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4-42. The mass of the person plus the
1. 2 answers
2. 1,325 views
Was the containment policy a effective strategy for fighting the Cold War with the Soviets?
1. 4 answers
2. 443 views
What are the ideological influences that have shaped the regulation of the Canadian banking system?
1. 1 answer
2. 349 views
I just need some direction to get started please.... Some family friends have asked you to plan a rafting expedition. A rafting
1. 2 answers
2. 708 views
I am kind of stuck on this question, I need some ideas or suggestions, thanks.Garbage collectors (belongs to a union) in a town
1. 4 answers
2. 452 views
Could someone provide me with an example of a function in algebra f(x) and g(x)? The substitution confuses me. Danke schon.
1. 0 answers
2. 372 views
An Ostrich can run 174 feet in 3 seconds.it costs $ 6:30 to mail a 6- pound package.
1. 3 answers
2. 1,506 views
(population)A normal distribution has a mean of 80 and a std dev of 20. For each of the following scores, indicate wheter the
1. 1 answer
2. 838 views
i have a question on my assignment that I donot understand.Which high performance processor is the fastest Pentium4 or Itanium4?
1. 0 answers
2. 489 views
Name two ways that land pollution can effect the natural resourceshttp://en.wikipedia.org/wiki/Soil_contamination#Ecosystem_effe
1. 0 answers
2. 453 views
On a credit card, minimum monthly payments are often about 2% of the balance. If no interest were charged, how long would it
1. 0 answers
2. 455 views
COMPOUND 1CH2=CH-CH-OH ________| _______CH3 COMPOUND 2 _____________O ____________// CH3-CH-CH2-C _____|______\ ____CH3______OH
1. 0 answers
2. 1,397 views

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