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2013
June
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.
2 answers
asked by
Ericka
1,287 views
How much interest will be gained on a
$3700 investment invested at 5.6% per year, compounded monthly for 3 years?
1 answer
asked by
Courtnie
347 views
Calculate the present value for $1400 needed in 4 years, invested at 4.2% per year compounded semi-anually
1 answer
asked by
Courtnie
383 views
Calculate the present value for $1400 needed in 4 years, invested at 4.2% per year compounded semi-anually
1 answer
asked by
Courtnie
368 views
a rectangular table top measures 7/9 of a meter long by 1/8 of a meter wide. What is the area?
1 answer
asked by
Santina
388 views
(8x^(2)-4x-29)+(9x^(2)+7x)=
1 answer
asked by
Monica
227 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
4 answers
asked by
Sally
404 views
6x^7-3x^3+2x^7+8x^3=
1 answer
asked by
Monica
208 views
Electricity bills in a certain city have mean $120.08. Assume the bills are normally distributed with standard deviation $14.40.
3 answers
asked by
Anonymous
1,806 views
The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean 43 and standard
3 answers
asked by
Anonymous
1,598 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 answer
asked by
Aaron
724 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
2 answers
asked by
Anonymous
554 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 answer
asked by
lucy
480 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
2 answers
asked by
Jessica
655 views
Liquid elemental iron is produced in the thermite reaction because enough heat is generated to melt the iron:
2 Al(s) +
2 answers
asked by
Dennis
606 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 answer
asked by
Dennis
500 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 answer
asked by
Sue 72
451 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
2 answers
asked by
lucy
700 views
in medieval europe, the power of kings and nobles were often held back by what powerful group?
1 answer
asked by
Kitty
369 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 answer
asked by
rfvv
305 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
2 answers
asked by
rfvv
971 views
Determine the theoretical and percent yield of hydrogen gas if 80.5 g water undergoes electrolysis to produce hydrogen and
2 answers
asked by
Ben
1,244 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 answer
asked by
louis aaaaa
396 views
A motorcycle has a constant acceleration of 4.06 m/s2. Both the velocity and acceleration of the motorcycle point in the same
3 answers
asked by
louis aaaaa
572 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
2 answers
asked by
Riana
557 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 answer
asked by
Sue 6f
452 views
5V3+2/v3+1
1 answer
asked by
rt
283 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 answer
asked by
Anonymous
300 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
2 answers
asked by
louis aaaaa
639 views
Consider the approximately normal population of heights of male college students with mean ì = 69 inches and standard deviation
4 answers
asked by
Sue 7
524 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
2 answers
asked by
lucy
535 views
Describe how to prepare a 0.0100M Solution of oxalate using solid sodium oxalate and a 500mL volumetric flask and water.
2 answers
asked by
Jessica
687 views
The number of positive integers satifying
x+ln(2x+1)=x ln5 +ln6 are?
1 answer
asked by
phase
327 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
3 answers
asked by
louis aaaaa
892 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
2 answers
asked by
louis aaaaa
608 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
2 answers
asked by
louis aaaaa
1,061 views
Find the minimum possible value of
2cos4θ+8cos3θ+32cos2θ+56cosθ+100
1 answer
asked by
Abhishek Ranjan
385 views
Two soccer players start from rest, 33 m apart. They run directly toward each other, both players accelerating. The first
2 answers
asked by
louis aaaaa
737 views
Express 8E–06 in scientific notation.
3 answers
asked by
Korie
392 views
Find cos(A+B).
cos A=1/3 and sin B=-1/2, with A in quadrant I and B in quadrant IV.
4 answers
asked by
tony
2,169 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?
3 answers
asked by
Jessica
1,435 views
Adventurous Mary tries a new game: she puts on her rollerblades and throws the ball towards the wall, lets it bounce off,
1 answer
asked by
Abhishek Ranjan
436 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 answer
asked by
anonymous
409 views
Use a sum or difference identity to find the exact value.
tan 25deg + tan 5deg / 1-tan 25deg tan 5deg
2 answers
asked by
tony
1,142 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
4 answers
asked by
Diana
422 views
S=1+2(1
5 )+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 answer
asked by
ravi&ashu
277 views
S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite......... If
s=a/b , where a and b are coprime positive
1 answer
asked by
unknown
332 views
S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite......... If
s=a/b , where a and b are coprime positive
3 answers
asked by
unknown
309 views
Find all angles in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree.
tan α = -1.85
2 answers
asked by
tony
1,166 views
using a glazed paper,find out the multipication of 3/7 and 1/6.
1 answer
asked by
abhigyan
305 views
using buttons of different colours ,find the solution of 5x-6=9
2 answers
asked by
abhigyan
634 views
using a glazed paper,find out out the quotient of 0.4 divided 0.8.
1 answer
asked by
abhigyan
316 views
using glazed paper ,show that 3/-7 and -9/21 are in prpportion.
1 answer
asked by
abhigyan
315 views
write a letter of apology and reconcilation to a friend with whom you have quarrelled.
1 answer
asked by
abhigyan
416 views
What is the molarity of a 15%w/v HCl solution (GMW=36.46)?
1 answer
asked by
tiffany
462 views
Change the following y=x-8
1 answer
asked by
Yakub musa jah
262 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,
2 answers
asked by
AAA
681 views
Cypress Oil Company's December 31, 2013, balance sheet listed $645,000 of notes receivable and $16,000 of interest receivable
3 answers
asked by
joyCypre
1,421 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
2 answers
asked by
AAA
630 views
Project Work-Draw(x-t)graph on graph paper which represents a body is travelling with uniform acceleration.
1 answer
asked by
Nandani Raj
391 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
4 answers
asked by
shiv
427 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
3 answers
asked by
rhove
559 views
√(5x-4) = 7 - √(13-x)
before we do anything, remember we cannot take the square root of a negative so, 5x-4≥0 and
2 answers
asked by
Test
875 views
CRITICAL THINKING: Witout grouping symbols,the expression 2.3³+4 had a value of 58.Insert grouping symbols in the expression
2 answers
asked by
rhove
585 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
3 answers
asked by
Nmesoma
489 views
1. If the mean is 40 in a normal distribution, what is the median?
2 answers
asked by
Rey
510 views
2. For a distribution of scores, which of the following Z score values represents the location closest to the mean?
3 answers
asked by
Luah
2,496 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
3 answers
asked by
dfghndfghncbfv
447 views
Adventurous Mary tries a new game: she puts on her rollerblades and throws the ball towards the wall, lets it bounce off,
1 answer
asked by
Anonymous
777 views
if y varies directly as x,and x=9 and when y=15'find y when x=33
2 answers
asked by
cedric
495 views
what are welfare payments or consumer subsidies
4 answers
asked by
makhosonke lwazi ndaba
397 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
2 answers
asked by
bittubeniwal
745 views
A thin massless horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure. A small bug, located
4 answers
asked by
Anonymous
535 views
How long does it take the ball in problem 5 to travel 15 meters after being played? Neglect the gravitational effect, and
1 answer
asked by
bittubeniwal
444 views
Find the overall average speed of swimmer number one during the race.
Find the overall average speed of the second swimmer from
1 answer
asked by
bittubeniwal
735 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
2 answers
asked by
Julia
679 views
In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community
2 answers
asked by
Ndumy
903 views
solve physics question. a train moves 3.6km from rest to rest in 3minutes. the greatest speed is 90km/h, and the acceleration
2 answers
asked by
Anonymous
812 views
what is meant by liquefaction of gases? can hydrogen be liquefied by compression at the temperature of liquid air?
1 answer
asked by
uche
801 views
from the first law of thympdynsmics, show that in the isothermal expansion of comprrssion of an ideal gas, the heat energy
1 answer
asked by
uche
366 views
Identify the following sentence as either a fragment, run-on sentence, or as correct:
I like this class and it is very
1 answer
asked by
Anonymous
491 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 answer
asked by
Anonymousab
358 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 answer
asked by
Anonymousab
381 views
Find all real numbers in [0, 2π) that satisfy the equation.
cos 2x = √(2)/2
2 answers
asked by
tony
624 views
Find all values of ¸ in [0°, 360°) that satisfy the equation.
2 sin 2θ - √(3) = 0
2 answers
asked by
tony
911 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
2 answers
asked by
Isis
976 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 answer
asked by
Tersia Malatji
815 views
If the two ponds were perennial (i.e., year-round) ponds, because of intersecting the water table, how would the presence or
3 answers
asked by
Lola
389 views
What is the area of a rectangle that has a length of 12x and a width of (x + 3)?
3 answers
asked by
Anonymous
473 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 answer
asked by
Sue 74
377 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 answer
asked by
Sue 76
1,277 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
3 answers
asked by
d.j.
523 views
Alicia Eastman deposited $2,000 in a savings account at the Biltmore Bank paying 6% ordinary interest. How many years will it
1 answer
asked by
keionna
460 views
Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from
2 answers
asked by
keionna
783 views
. You are the accountant for Suite Dreams, a retail furniture store. Recently, an order of sofas and chairs was received from
1 answer
asked by
keionna
891 views
A thin, massless, horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure.
A small bug,
1 answer
asked by
g
506 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
2 answers
asked by
louis aaaa
810 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?
4 answers
asked by
tiffany
1,409 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 answer
asked by
louis aaaa
467 views
An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up
2 answers
asked by
louis aaaa
791 views
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