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Questions Asked on June 17, 2013

Two balls are drawn from a bag with 4 black balls and 2 white balls. Find th probability distribution got drawing 2 black balls.
1. 1 answer
2. asked by Ericka
3. 1,301 views
How much interest will be gained on a$3700 investment invested at 5.6% per year, compounded monthly for 3 years?
1. 1 answer
2. asked by Courtnie
3. 356 views
Calculate the present value for $1400 needed in 4 years, invested at 4.2% per year compounded semi-anually
1. 1 answer
2. asked by Courtnie
3. 392 views
Calculate the present value for $1400 needed in 4 years, invested at 4.2% per year compounded semi-anually
1. 1 answer
2. asked by Courtnie
3. 379 views
a rectangular table top measures 7/9 of a meter long by 1/8 of a meter wide. What is the area?
1. 1 answer
2. asked by Santina
3. 399 views
(8x^(2)-4x-29)+(9x^(2)+7x)=
1. 1 answer
2. asked by Monica
3. 235 views
i have to make a cave for art but i need ideas what to put in it. There's four rooms in the cave, i have
1. 3 answers
2. asked by Sally
3. 418 views
6x^7-3x^3+2x^7+8x^3=
1. 1 answer
2. asked by Monica
3. 217 views
Electricity bills in a certain city have mean $120.08. Assume the bills are normally distributed with standard deviation $14.40.
1. 1 answer
2. asked by Anonymous
3. 1,818 views
The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean 43 and standard
1. 1 answer
2. asked by Anonymous
3. 1,609 views
You need to fill a football with air to play with it. You know that your pump expels air at 10 ft/s. The needle of your pump has
1. 0 answers
2. asked by Aaron
3. 733 views
A 50 kg piston with a radius of 50 cm floats on a cylinder that is filled with air. The air in the cylinder fills the entire
1. 0 answers
2. asked by Anonymous
3. 566 views
Last spring Steve joined a health club. The club charges a one-time enrollment fee of $150.00 plus a $25.00 monthly fee.Which of
1. 0 answers
2. asked by lucy
3. 489 views
0.125g of sodium dichromate is to be reacted wtih 0.025M potassium iodide. How many mLs of the potassium iodide solution will be
1. 1 answer
2. asked by Jessica
3. 672 views
Liquid elemental iron is produced in the thermite reaction because enough heat is generated to melt the iron:2 Al(s) +
1. 0 answers
2. asked by Dennis
3. 618 views
What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric
1. 0 answers
2. asked by Dennis
3. 512 views
A certain population has a mean of 472 and a standard deviation of 40. Many samples of size 46 are randomly selected and the
1. 1 answer
2. asked by Sue 72
3. 461 views
Simone rented a truck to move to a new apartment last month. The rental company charges a rental fee of $25.00 plus $0.50 per
1. 1 answer
2. asked by lucy
3. 708 views
in medieval europe, the power of kings and nobles were often held back by what powerful group?
1. 1 answer
2. asked by Kitty
3. 379 views
1. When you use soap, don't turn the water on.2. When you use a soap, don't turn the water on. (Which one is right, 'soap' or '
1. 1 answer
2. asked by rfvv
3. 316 views
1. Why don't we take a tennis?- Sounds good. 2. Why don't we take a tennis lesson? - Sounds good. 3. Why don't we take a tennis
1. 1 answer
2. asked by rfvv
3. 982 views
Determine the theoretical and percent yield of hydrogen gas if 80.5 g water undergoes electrolysis to produce hydrogen and
1. 1 answer
2. asked by Ben
3. 1,259 views
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.31 m/s. The car is a
1. 0 answers
2. asked by louis aaaaa
3. 404 views
A motorcycle has a constant acceleration of 4.06 m/s2. Both the velocity and acceleration of the motorcycle point in the same
1. 2 answers
2. asked by louis aaaaa
3. 582 views
the distance between two successive crests in waves is 1.50m, and the source generates 25 crests and 25 troughs in 5.00sec. what
1. 0 answers
2. asked by Riana
3. 568 views
A random sample of size 26 is to be selected from a population that has a mean ì = 46 and a standard deviation ó of 15.(f)
1. 1 answer
2. asked by Sue 6f
3. 462 views
5V3+2/v3+1
1. 1 answer
2. asked by rt
3. 289 views
What is the circular force of a 150 g yoyo swung around on a 1.00 m string at a velocity of 5.0 m/s (in Newtons)?
1. 0 answers
2. asked by Anonymous
3. 309 views
An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 9.80 m/s in 3.10
1. 1 answer
2. asked by louis aaaaa
3. 654 views
Consider the approximately normal population of heights of male college students with mean ì = 69 inches and standard deviation
1. 3 answers
2. asked by Sue 7
3. 543 views
Alejandro is the manager of a catering business for private parties. The business charges a set-up fee of $40.00 per event and
1. 1 answer
2. asked by lucy
3. 543 views
Describe how to prepare a 0.0100M Solution of oxalate using solid sodium oxalate and a 500mL volumetric flask and water.
1. 1 answer
2. asked by Jessica
3. 706 views
The number of positive integers satifyingx+ln(2x+1)=x ln5 +ln6 are?
1. 1 answer
2. asked by phase
3. 339 views
A jogger accelerates from rest to 5.64 m/s in 3.36 s. A car accelerates from 24.6 to 39.8 m/s also in 3.36 s. (a) Find the
1. 2 answers
2. asked by louis aaaaa
3. 907 views
(a) What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 11.3 m/s when going
1. 1 answer
2. asked by louis aaaaa
3. 621 views
Suppose a car is traveling at +24.1 m/s, and the driver sees a traffic light turn red. After 0.366 s has elapsed (the reaction
1. 1 answer
2. asked by louis aaaaa
3. 1,072 views
Find the minimum possible value of2cos4θ+8cos3θ+32cos2θ+56cosθ+100
1. 1 answer
2. asked by Abhishek Ranjan
3. 391 views
Two soccer players start from rest, 33 m apart. They run directly toward each other, both players accelerating. The first
1. 1 answer
2. asked by louis aaaaa
3. 749 views
Express 8E–06 in scientific notation.
1. 2 answers
2. asked by Korie
3. 400 views
Find cos(A+B).cos A=1/3 and sin B=-1/2, with A in quadrant I and B in quadrant IV.
1. 2 answers
2. asked by tony
3. 2,185 views
How many milliliters of 2.00 M HCl(aq) are required to react with 7.55 g of an ore containing 36.0% Zn(s) by mass?
1. 1 answer
2. asked by Jessica
3. 1,459 views
Adventurous Mary tries a new game: she puts on her rollerblades and throws the ball towards the wall, lets it bounce off,
1. 0 answers
2. asked by Abhishek Ranjan
3. 444 views
Hi. This question is from my own point of view based on electricity.Is it possible in theory to have electricity passed through
1. 1 answer
2. asked by anonymous
3. 416 views
Use a sum or difference identity to find the exact value.tan 25deg + tan 5deg / 1-tan 25deg tan 5deg
1. 1 answer
2. asked by tony
3. 1,152 views
ALL ice melts at 0*C, but it requires MORE HEAT to melt 10g of ice than it would for 20g of ice.Why? I thought it was the
1. 3 answers
2. asked by Diana
3. 430 views
S=1+2(15 )+3 (1 5 ) 2+4 (1 5 ) 3…. If S=a b , where a and b are coprime positive integers, what is the value of a+b?
1. 0 answers
2. asked by ravi&ashu
3. 284 views
S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite......... Ifs=a/b , where a and b are coprime positive
1. 0 answers
2. asked by unknown
3. 338 views
S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite......... Ifs=a/b , where a and b are coprime positive
1. 2 answers
2. asked by unknown
3. 319 views
Find all angles in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree.tan α = -1.85
1. 1 answer
2. asked by tony
3. 1,178 views
using a glazed paper,find out the multipication of 3/7 and 1/6.
1. 1 answer
2. asked by abhigyan
3. 318 views
using buttons of different colours ,find the solution of 5x-6=9
1. 1 answer
2. asked by abhigyan
3. 642 views
using a glazed paper,find out out the quotient of 0.4 divided 0.8.
1. 0 answers
2. asked by abhigyan
3. 324 views
using glazed paper ,show that 3/-7 and -9/21 are in prpportion.
1. 1 answer
2. asked by abhigyan
3. 326 views
write a letter of apology and reconcilation to a friend with whom you have quarrelled.
1. 1 answer
2. asked by abhigyan
3. 424 views
What is the molarity of a 15%w/v HCl solution (GMW=36.46)?
1. 0 answers
2. asked by tiffany
3. 472 views
Change the following y=x-8
1. 1 answer
2. asked by Yakub musa jah
3. 271 views
A circuit is composed of a capacitor C=3 μF, two resistors both with resistance R=69 Ohm, an inductor L=6.00e-2 H, a switch S,
1. 1 answer
2. asked by AAA
3. 690 views
Cypress Oil Company's December 31, 2013, balance sheet listed $645,000 of notes receivable and $16,000 of interest receivable
1. 1 answer
2. asked by joyCypre
3. 1,431 views
Light from a coherent monochromatic laser of wavelength λ=2.29e-4 m is incident on two slits, both of width a, separated by a
1. 1 answer
2. asked by AAA
3. 642 views
Project Work-Draw(x-t)graph on graph paper which represents a body is travelling with uniform acceleration.
1. 1 answer
2. asked by Nandani Raj
3. 399 views
Integers a, b, c, d and e satisfy 50<a<b<c<d<e<500, and a,b,c,d,e form a geometric sequence. What is the sum of all possible
1. 3 answers
2. asked by shiv
3. 461 views
1.Mark makes Php 40.00 per hour if he works 40 hours or less.If works overtime,he makes an additional Php 5.00 per hour as
1. 2 answers
2. asked by rhove
3. 570 views
âˆš(5x-4) = 7 - âˆš(13-x)before we do anything, remember we cannot take the square root of a negative so, 5x-4â‰¥0 and
1. 1 answer
2. asked by Test
3. 883 views
CRITICAL THINKING: Witout grouping symbols,the expression 2.3³+4 had a value of 58.Insert grouping symbols in the expression
1. 1 answer
2. asked by rhove
3. 600 views
The angle of elevation of the top of a towerfrom a point 42meters away frm its base on level ground is 36degrees.find the height
1. 2 answers
2. asked by Nmesoma
3. 502 views
1. If the mean is 40 in a normal distribution, what is the median?
1. 1 answer
2. asked by Rey
3. 518 views
2. For a distribution of scores, which of the following Z score values represents the location closest to the mean?
1. 1 answer
2. asked by Luah
3. 2,506 views
In a synchrotron, electrons are accelerated to speeds close to the speed of light v≈c≈3×108 m/s Suppose that in a
1. 2 answers
2. asked by dfghndfghncbfv
3. 461 views
Adventurous Mary tries a new game: she puts on her rollerblades and throws the ball towards the wall, lets it bounce off,
1. 0 answers
2. asked by Anonymous
3. 787 views
if y varies directly as x,and x=9 and when y=15'find y when x=33
1. 1 answer
2. asked by cedric
3. 506 views
what are welfare payments or consumer subsidies
1. 3 answers
2. asked by makhosonke lwazi ndaba
3. 410 views
What is the acceleration of a tennis ball if initially it comes toward the player's racquet at 20 m/s, and it leaves in the
1. 1 answer
2. asked by bittubeniwal
3. 752 views
A thin massless horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure. A small bug, located
1. 3 answers
2. asked by Anonymous
3. 549 views
How long does it take the ball in problem 5 to travel 15 meters after being played? Neglect the gravitational effect, and
1. 1 answer
2. asked by bittubeniwal
3. 455 views
Find the overall average speed of swimmer number one during the race.Find the overall average speed of the second swimmer from
1. 0 answers
2. asked by bittubeniwal
3. 742 views
A homeowner empties her hot water heater every 36 days and changes the filter in the heat pump every 48 days. She did both on
1. 1 answer
2. asked by Julia
3. 690 views
In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community
1. 1 answer
2. asked by Ndumy
3. 917 views
solve physics question. a train moves 3.6km from rest to rest in 3minutes. the greatest speed is 90km/h, and the acceleration
1. 1 answer
2. asked by Anonymous
3. 821 views
what is meant by liquefaction of gases? can hydrogen be liquefied by compression at the temperature of liquid air?
1. 0 answers
2. asked by uche
3. 805 views
from the first law of thympdynsmics, show that in the isothermal expansion of comprrssion of an ideal gas, the heat energy
1. 0 answers
2. asked by uche
3. 376 views
Identify the following sentence as either a fragment, run-on sentence, or as correct:I like this class and it is very
1. 1 answer
2. asked by Anonymous
3. 499 views
could you please do the steps with the answer so that I can understand it.write as a decimal round to the nearest thousandth if
1. 1 answer
2. asked by Anonymousab
3. 369 views
could you please do the steps with the answer so that I can understand it.write as a decimal round to the nearest thousandth if
1. 1 answer
2. asked by Anonymousab
3. 393 views
Find all real numbers in [0, 2π) that satisfy the equation.cos 2x = √(2)/2
1. 1 answer
2. asked by tony
3. 642 views
Find all values of ¸ in [0°, 360°) that satisfy the equation.2 sin 2θ - √(3) = 0
1. 1 answer
2. asked by tony
3. 926 views
If an object is thrown in an upward direction from the top of a building 160 ft high at an initial speed of 30 mi/h, what is its
1. 1 answer
2. asked by Isis
3. 992 views
Copper reacts with silver nitrate according to the equation: Cu(s) + 2AgNO3(aq)= Cu(NO3)2(ag) +2Ag(s). If 0.50mol of copper is
1. 0 answers
2. asked by Tersia Malatji
3. 868 views
If the two ponds were perennial (i.e., year-round) ponds, because of intersecting the water table, how would the presence or
1. 1 answer
2. asked by Lola
3. 400 views
What is the area of a rectangle that has a length of 12x and a width of (x + 3)?
1. 2 answers
2. asked by Anonymous
3. 485 views
Consider a normal population with ì = 49 and ó = 6. Calculate the z-score for an x of 44.2 from a sample of size 22. (Give
1. 1 answer
2. asked by Sue 74
3. 388 views
A random sample of size 26 is to be selected from a population that has a mean ì = 46 and a standard deviation ó of 15.(a)
1. 0 answers
2. asked by Sue 76
3. 1,295 views
On May 23, Samantha Best borrowed $40,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact
1. 2 answers
2. asked by d.j.
3. 538 views
Alicia Eastman deposited $2,000 in a savings account at the Biltmore Bank paying 6% ordinary interest. How many years will it
1. 1 answer
2. asked by keionna
3. 468 views
Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from
1. 1 answer
2. asked by keionna
3. 795 views
. You are the accountant for Suite Dreams, a retail furniture store. Recently, an order of sofas and chairs was received from
1. 0 answers
2. asked by keionna
3. 901 views
A thin, massless, horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure.A small bug,
1. 0 answers
2. asked by g
3. 515 views
A woman on a bridge 81.6 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an
1. 1 answer
2. asked by louis aaaa
3. 826 views
The Smiths want to buy a 9 ft. by 12 ft. carpet and center it in a 15 ft. by 20 ft. room.What is the area of the carpet?
1. 2 answers
2. asked by tiffany
3. 1,423 views
A dynamite blast at a quarry launches a rock straight upward, and 1.9 s later it is rising at a rate of 14 m/s. Assuming air
1. 0 answers
2. asked by louis aaaa
3. 476 views
An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up
1. 1 answer
2. asked by louis aaaa
3. 805 views

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