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2012
February

Questions Asked on February 16, 2012

How do I prepare 100mL of 10g/L HCl from concentrated HCl(37%HCl, density 1.19g/mL)Is it 2.28mL of conc HCl dilute to 100mL with
1. 4 answers
2. asked by annie
3. 16,775 views
find the perpendicular distance from the corner of the triangle to the opposite side if the side is 25cm long
1. 4 answers
2. asked by molly
3. 2,146 views
Linda has two fish tanks in the shape of rectangular prisms. Each of the sides of the second fish tank is 3 times greater than
1. 1 answer
2. asked by Help me
3. 648 views
Label the following inherited or learnedSea turtle laying eggs on a beach=inherit Seal balancing a ball on its nose=learned
1. 0 answers
2. asked by Colton
3. 584 views
a lab technician has a 15% alcohol solution. She wants to make 100 gallons of a 29% solution. How much of the 15% solution
1. 0 answers
2. asked by matt
3. 1,185 views
can anyone solve this please it is hardIn a basketball game, Garrett and Logan scored a total of 19 points. Logan and Ray scored
1. 1 answer
2. asked by zachary stanich
3. 439 views
how many pounds of cashew nuts that sell for 2.00 a pund should be mixed with peanuts, which sell for 80 cents a pound to make a
1. 0 answers
2. asked by matt
3. 648 views
Manny loves to eat Cajun pizza. Each square inch of pizza is 8 calories. He orders a slice of pizza from a pizza with a diameter
1. 2 answers
2. asked by Help me
3. 687 views
4m/9+13-1m/3=4Please help me solve and show your work
1. 3 answers
2. asked by Sadey
3. 441 views
Suppose you wish to whirl a pail full of water in a vertical circle without spilling any of its contents. If your arm is 0.93 m
1. 2 answers
2. asked by Lisa
3. 3,309 views
A diploid organism has five pairs of chromosomes in each somatic cell. Assuming that no crossing over occurs, how many
1. 2 answers
2. asked by Rebecca
3. 4,337 views
What is the free-fall acceleration in a locationwhere the period of a 0.594 m long pendulum is 1.55 s s? Answer in units of
1. 8 answers
2. asked by Angel
3. 622 views
A model of s skyscraper is 1.6 in. long,2.8 in. wide, and 11.2in. high.The scale factor is 8 in. 250 ft. What is the actual
1. 3 answers
2. asked by Anonymous
3. 826 views
One day, a person went to horse racing area, Instead of counting the number of human and horses, he instead counted 74 heads and
1. 2 answers
2. asked by HARDEST QUESTION IN THE WORLD
3. 871 views
A 19.0 ohm, 9.00 ohm , and 8.00 ohm resistor are connected in parallel to an emf source. A current of 9.00 A is in the 9.00
1. 1 answer
2. asked by Anonymous
3. 666 views
does 2+2-2+2-2+2-2-2+2=2 ??
1. 1 answer
2. asked by Harry
3. 319 views
time travel questionin km 0 - 240, a vehicles started at 30km at 2:30, where would the truck be at 3:30?
1. 0 answers
2. asked by taylor
3. 317 views
37. A person deposited $500 in a savings account that pays 5% annual interest that is compounded yearly. At the end of 10 years,
1. 1 answer
2. asked by yolanda
3. 647 views
Evaluate the following expression:d/dx (integration sign: upper=1 and lower= -3) (2t^3 + 3)dt = I am given the following
1. 3 answers
2. asked by Mishaka
3. 489 views
Zinc sulfide and oxygen gas react to form oxide and sulfur dioxide. Determine the amount of ZnO that should be produced in a
1. 1 answer
2. asked by Christian
3. 1,320 views
prove that:log25+log8*log16/log64 -log14/5+log28=3
1. 4 answers
2. asked by mohamed sedeeq
3. 631 views
cos^4 15-sin^4 15 with out using calculator
1. 1 answer
2. asked by mohamed sedeeq
3. 396 views
A solution was made by dissolving 62.07grams of a compound in 500g of water. The compound was not ionic. The freezing point of
1. 1 answer
2. asked by Hannah
3. 665 views
Round 33.56 to the nearest tenth?
1. 2 answers
2. asked by Jojo
3. 361 views
A piano emits frequencies that range from alow of about 28 Hz to a high of about 4200 Hz. Find the maximum wavelength in air
1. 1 answer
2. asked by Angel
3. 1,330 views
how do you graph c =40t+ 250
1. 1 answer
2. asked by lizzie
3. 668 views
A train has a velocity of 72km/h. How far does it travelled in 1/2minutes
1. 1 answer
2. asked by Sunday philip alaku
3. 467 views
A car travelled at an average speed of 200km/h. What distance does it cover in 10minutes.
1. 1 answer
2. asked by Sunday philip alaku
3. 530 views
A tuning fork produces a sound with a frequency of 277 Hz and a wavelength in air of1.21 m. What value does this give for the
1. 4 answers
2. asked by Angel
3. 641 views
what is 14 decreased to 12
1. 1 answer
2. asked by tara
3. 298 views
what is the conclusion for what types of water will make a carrot softer
1. 1 answer
2. asked by jessica
3. 308 views
Which of the following would be simplified the most if it were multiplied by 3/13.a. 13x+39 b. x+39/13 c. x+9/3 d. 3x+9
1. 1 answer
2. asked by Izzy
3. 413 views
A concentration cell based on the following half reaction at 317 K(Cu^2+) + (2e-) --> (Cu) SRP = 0.34 V Has initial
1. 0 answers
2. asked by Arron
3. 913 views
Al has 76 nickels and dimes worth$5.55. How many of each coins does Al have?
1. 2 answers
2. asked by Jay
3. 463 views
When 16.3 g of magnesiumm reacts with 4.52 g of oxygen, how many grams of magnesium oxide will be performed? Identify the
1. 1 answer
2. asked by Kayla
3. 921 views
Part(1 of 3)You dip your ﬁnger into a pan of water twice each second, producing waves with crests that are separated by 0.17
1. 0 answers
2. asked by Angel
3. 540 views
Laura sees 5 triangles she knows each triangle has 3 corners help laura sjip count to find how many corners are on 5 triangles
1. 1 answer
2. asked by GiGi
3. 426 views
The distance between two successive crests ofa certain transverse wave is 1.42 m. Eight crests pass a given point along the
1. 0 answers
2. asked by Freddy
3. 606 views
3k/4-28-2k/3=37Please help me solve and show your work please and thank you
1. 2 answers
2. asked by Sadey
3. 433 views
What arw aome example of someone being sexist
1. 4 answers
2. asked by ken
3. 428 views
a 100 mL {100 grams} of water at 4.0 degrees celsius is heated until its tempurture is 37 degrees celcus. if the specific heat
1. 0 answers
2. asked by jane
3. 644 views
In an electric field described by E = (20i+60j) V/m calculate the change in potential for a particle that moves from the origin
1. 0 answers
2. asked by physics
3. 360 views
What is the potential halfway between two point charges spaced 1 mm apart if q1=10 micro culumbs and q2= -5 micro culumbs
1. 2 answers
2. asked by physics
3. 634 views
How do I figure the degree of measure from 18-24 people = 11%
1. 0 answers
2. asked by Nate
3. 289 views
You've got a conducting hollow sphere of rradius 0.2 m and a charge of 20 micro culumbs. What is the potential of the sphere at
1. 1 answer
2. asked by anne
3. 492 views
How much distilled water must be added to .85% solution Of NaCL to make a 70% solution of NaCl
1. 3 answers
2. asked by Joan
3. 523 views
a 100 mL {100 grams} of water at 4.0 degrees celsius is heated until its tempurture is 37 degrees celcus. if the specific heat
1. 0 answers
2. asked by jane
3. 500 views
What is the molecular geometry n the electron domain for HCN
1. 0 answers
2. asked by Alison
3. 575 views
For a rollercoaster, a hydraulic catapult propels the car to the top of the ride, at a height of 430 ft. If the car and
1. 0 answers
2. asked by Chio
3. 926 views
How do you say "I want a cat for christmas" in Spanish
1. 1 answer
2. asked by Jodi
3. 408 views
Players on Team; Tennis 2, Basketball 5A community center has 3 tennis teams and 5 basketball teams. No one is on both teams.
1. 2 answers
2. asked by Nadine
3. 867 views
How do you say "I will travel to California in the fall" in Spanish
1. 0 answers
2. asked by Robby
3. 322 views
Which of the following sentences contains a verb in the simple past tense?A. I was working overtime for about six months. B. She
1. 5 answers
2. asked by tom
3. 674 views
What does Que compras tu para tu madre? Mean
1. 3 answers
2. asked by Robby
3. 446 views
A card is drawn from a standard deck of cards. Find P(A U B) in each part.A= {getting a heart}, B= {getting an even number} A=
1. 1 answer
2. asked by christy
3. 1,265 views
How do you verify inverses?the question is y=3x-3... we know how to make an inverse but how do you verify it using composition?
1. 1 answer
2. asked by nicole and brian!
3. 1,201 views
point A is located at (1,5) and point B is located at (3,2). What is the length of line segment AB in simplest radical form
1. 1 answer
2. asked by shay
3. 548 views
I am a set of 5 whole numbers that are less than 30. My median is 10. My range is 15. My mode is 10. The smallest number in my
1. 1 answer
2. asked by karina
3. 734 views
please help! is the square of a number greater than the number?
1. 5 answers
2. asked by dani
3. 351 views
High-voltage power lines are a familiar sight throughout the country. The aluminum wire used for some of these lines has a
1. 0 answers
2. asked by Anonymous
3. 1,226 views
Calculate the volume (mL) of 2.06 M magnesium phosphate solution require to prepare 46.20 mL of 2.3998 %w/v solution of
1. 2 answers
2. asked by myles
3. 557 views
Calculate the volume of 2,180 ppm Pb(NO3)2 solution required to prepare 1.2550 L of a 0.0021 M Pb2+ solution.
1. 3 answers
2. asked by myles
3. 591 views
A woman who is 6 feet tall stand near a light that is 13 feet tall. Find a function for the length of her shadow in term of her
1. 1 answer
2. asked by Jayden
3. 546 views
What is the potential halfway between two point charges spaced 1 mm apart if q1=10 micro culumbs and q2= -5 micro culumbs
1. 0 answers
2. asked by bel
3. 489 views
Write balanced equation for:Al + NH4CLO4 (yields) Al2O3 + AlCl3 + nitrogen monoxide gas, and steam
1. 1 answer
2. asked by Michelle
3. 828 views
A string has a length of 84 cm. The string is stretched taut, and both ends are restricted to be nonmoving. Touching the string
1. 2 answers
2. asked by Brittney
3. 922 views
The 2nd harmonic of a string of length 40cm and linear mass density 1.11g.m has the same frequency as the 5th resonance mode of
1. 0 answers
2. asked by joe
3. 825 views
the equation is TiCl4 + O2 (yields) TiO2 + 2Cl2.How much titanium(IV) chloride must react with excess oxygen to prepare 175
1. 1 answer
2. asked by Michelle
3. 1,115 views
A balloon isin the vertical plane of two consecutive milestones of a road. The angles of depression of the stones as viewed from
1. 2 answers
2. asked by Candy
3. 732 views
Why is there always a difference between the experimentally calcuated error for resistance, and the actual components tolerance
1. 0 answers
2. asked by laura
3. 398 views
a race car having a mass of 2550 kg is accelerated by a force of 127,500n.what is the accelerration?
1. 0 answers
2. asked by chad
3. 436 views
if the length of a rectangular pyramid is made seven times longer, how many times the volume of the original figure is the
1. 1 answer
2. asked by Eliza
3. 468 views
Assume that the Earth is spherical and recall that latitudes range from 0° at the Equator to 90° N at the North Pole. Consider
1. 2 answers
2. asked by sara
3. 584 views
a bullet is fired at 660 m/s and strikes a target 200 meters away. what is the duration of the bullet?
1. 4 answers
2. asked by Anonymous
3. 2,935 views
A radio station played 15 songs in 1 hour
1. 1 answer
2. asked by chaina
3. 393 views
The Hansons are considering two possible vacation destinations. A trip out west will cost $1075 in total airfare plus an average
1. 1 answer
2. asked by Janet
3. 435 views
Ok so you're supposed to solve the system by method of substitution. And the problem is:-2/3x + y = 2 2x - 3y = 6 So i put y=
1. 3 answers
2. asked by Carrie
3. 1,126 views
what is the estimated product of 3 2/3 x 5 1/9
1. 17 answers
2. asked by victor
3. 443 views
John was in charge of buying milk for a class of 32 students. Milk is sold in half-gallon cartons and gallon cartons at the
1. 0 answers
2. asked by Jeftro
3. 522 views
i need to know how to do (4m -3power n5power)0 / mn
1. 0 answers
2. asked by Chris
3. 271 views
A particle is moving clockwise in a circle of radius 1.54 m. At a certain instant, the magnitude of its acceleration is a = 26.0
1. 4 answers
2. asked by sara
3. 1,185 views
How many moles of oxygen are produced from the decomposition of 3.4g of hydrogen peroxide?How many molecules of O2 are produced?
1. 2 answers
2. asked by Dani
3. 2,488 views
if vector a is parallel to vector b, but in the opposite direction, express the magnitude of a+b in terms of magnitudes of
1. 1 answer
2. asked by kally
3. 423 views
In a bag of marbles, 3/5 of them are blue and the rest are red. If the number of red marbles is doubled and the number of blue
1. 3 answers
2. asked by Cameron
3. 3,728 views
A rhombus has base angles of 60 and 120. The length of each side is 16. What is the area of the rhombus?
1. 0 answers
2. asked by giselle
3. 579 views
2/3+7/9
1. 2 answers
2. asked by john
3. 223 views
Assume that you select 2 coins at random from 5 coins: 3 dimes and 2 quarters.What is the probability that all of the coins
1. 1 answer
2. asked by Kelly
3. 1,411 views
Prove1+cos X/1-cos X = (csc X + cot X)squared
1. 1 answer
2. asked by Emmie
3. 468 views
Suppose that 8% of a certain batch of calculators have a defective case, 11% havedefective batteries, and 3% have both of these
1. 3 answers
2. asked by Anonymous
3. 2,007 views
A group of students who are selecting 2 of their group at random to give a report, but assume that there are 5 males and 3
1. 0 answers
2. asked by Kelly
3. 605 views
Mrs. Lincoln budgets her monthly take-home pay. The remainder she deposits in her savings account. She budgets 1/3 of her
1. 4 answers
2. asked by Sadie
3. 1,598 views
Assume that you randomly select 8 cards from a deck of 52.What is the probability that all of the cards selected are hearts?
1. 1 answer
2. asked by Rachel
3. 871 views
Carla has a plate that has 4 equal sides, 2 pairs of parallel sides, and no right angles. Which quadrilateral is it?
1. 1 answer
2. asked by Mia
3. 524 views
A man is 4 times as old as his son.After 16 years he will be only twice as old as his son. find their present ages.
1. 5 answers
2. asked by Raj
3. 688 views
You've got a conducting hollow sphere of rradius 0.2 m and a charge of 20 micro culumbs. What is the potential of the sphere at
1. 0 answers
2. asked by bel
3. 442 views
Describe the possible values of variable a such that (/72) + (/a) can be simplified to a single term.Note: (/a) is the square
1. 1 answer
2. asked by cheyanne
3. 764 views
What is the slope of the tangent of each curve at given pointy=√(16x^3), (4,32) If I find the derivative of y=√(16x^3) Will
1. 1 answer
2. asked by Jake
3. 487 views
the gross profit rate represents:
1. 2 answers
2. asked by Anonymous
3. 426 views
Assume that you randomly select 8 cards from a deck of 52.What is the probability that all of the cards selected are hearts?
1. 2 answers
2. asked by Kelly
3. 2,376 views
graph on a rectangular coordinate y-2x+3=0
1. 1 answer
2. asked by sheba
3. 331 views

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