Archives
2013
September

Questions Asked on September 30, 2013

A sailboat heads north at 3 m/s for 1 hour and then tracks back to the southeast (at 45 degrees to north) at 2 m/s for 45
1. 3 answers
2. asked by Walter
3. 4,337 views
The reaction: 2C2H2+5O2->5O2->4CO2+2H2O is performed by mixing 175 grams of C2H2 and 175 grams of O2 to produce 127 grams of CO2
1. 1 answer
2. asked by Alexandra
3. 2,874 views
A contour (topographic) map indicates that a stream is flowing across a landscape. If the stream has a constant volume, where on
1. 4 answers
2. asked by Paula
3. 2,142 views
Simplify Exponentsba*(2ba4)-3
1. 1 answer
2. asked by Millicent
3. 239 views
which component of the technological system is achieved when your camera takes a photograph ?a) input b) feedback c) goal d)
1. 8 answers
2. asked by victoria
3. 2,584 views
you calculate the area of a 150 m x 100.0 m room. How many significance figures should your answer include ?a) 1 b) 2 c) 3 d) 4
1. 5 answers
2. asked by victoria
3. 1,662 views
you calculate the area of a 150 m x 100.0 m room. How many significance figures should your answer include ?a) 1 b) 2 c) 3 d) 4
1. 1 answer
2. asked by victoria
3. 591 views
how many mL of .135M Sr(OH)2 are needed to neutralize 35ml of .157M HCLI know the answer came out to 20.4 ml My only question is
1. 1 answer
2. asked by Alexandra
3. 393 views
A car sits in an entrance ramp to a freeway, waiting for a break in the traffic. The driver sees a small gap between a van and
1. 2 answers
2. asked by Emma
3. 4,318 views
A large boulder is ejected vertically upward from a volcano with an initial speed of 39.0m/s . Air resistance may be ignored.(a)
1. 2 answers
2. asked by Emma
3. 2,661 views
(time given is the total time in the air, up anddown) During a baseball game, a batter hits a high pop-up. If the ball remains
1. 1 answer
2. asked by mary
3. 423 views
what is the expression for the factored form of 1/4y^2-36?I got (1/4y-6)(1/4y+6) Is this correct? Thanks for checking my work
1. 2 answers
2. asked by B8
3. 899 views
Some bacteria get their energy from reduction of CO2 to CH4 by H2.1. How many electrons are required to reduce CO2 to CH4? 2.
1. 1 answer
2. asked by Kim
3. 870 views
9 and 3/4 minus 4 and 1/3 =
1. 1 answer
2. asked by Tsiyon
3. 290 views
what is the expression for factorization of 6x^2+24?I got 6(x+2)(x-2) Hopefully I got this correct. Thanks for checking for me,
1. 2 answers
2. asked by B8
3. 354 views
how do you solve this problem (m-5)^4+36=13(m-5)^2 algebraically
1. 1 answer
2. asked by maritza
3. 338 views
What are some bad compound concepts and what makes them bad?
1. 3 answers
2. asked by Nick
3. 392 views
write the correct net ionic equation and identify spectator ions when CoSO4 and BaCL2 mix
1. 1 answer
2. asked by Alexandra
3. 3,356 views
Repeated die toss experiment. A fair die is tossed repeatedly, and the sequence of numbers that turn up is recorded, until a 1
1. 1 answer
2. asked by denim
3. 1,034 views
How do you Draw and label 2 different rectangles each with a perimeter of 124 units
1. 1 answer
2. asked by Nucole
3. 514 views
How would you find the domain and range of x=2^y?
1. 2 answers
2. asked by O.
3. 282 views
factor completely4n-n^3 n(y-n^2) n(2+n)(2-n) was this done correctly? Thanks
1. 1 answer
2. asked by B8
3. 326 views
K2SO4+ Na2HPO4=?NaHCO3 + Sr(NO3)2=?
1. 3 answers
2. asked by kelly
3. 418 views
We are going to build a PV system on a roof of 10m2, and we have two possible PV modules:(1) A first generation module with
1. 11 answers
2. asked by Anonymous
3. 4,864 views
An initial-value problem is given by the differential equation,f(x,y) = x + y, y(0) = 1.64 The Euler-midpoint method is used to
1. 0 answers
2. asked by Matthew
3. 538 views
really need help on this question it is worth 5 marks.The question is: Explain how "A Thankless Experience" is a satire with
1. 4 answers
2. asked by Andy
3. 551 views
1. Thomas wants to lose weight for the summer. He currently weighs 245 pounds. He wants to lose 5 pounds a month.What is the
1. 4 answers
2. asked by jarron
3. 554 views
Consider a flat plate in a supersonic flow at an angle of attack as shown in the figure above, and assume the flow is inviscid.
1. 1 answer
2. asked by Anonymous
3. 531 views
A 3.0-g string, 0.14 m long, is under tension. The string produces a 200-Hz tone when it vibrates in the third harmonic. The
1. 1 answer
2. asked by Heather
3. 1,107 views
Using your computer software, you create a new file for an existing customer. When you're finished, you shouldA. coordinate the
1. 1 answer
2. asked by Sofiya
3. 1,294 views
The extracellular concentrations of Na+ and K+ are 135mM and 6mM, respectively.The intracellular concentrations of Na+ and K+
1. 0 answers
2. asked by Drew
3. 409 views
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction
1. 0 answers
2. asked by taylor
3. 579 views
Solve the system by substitution or elimination.x^2 + 2y^2 = 8 x^2 - y^2 = 1
1. 6 answers
2. asked by S
3. 521 views
A 2.86 kg block starts from rest at the top of a 27.5◦ incline and slides 1.94 m down the incline in 1.43 s. The acceleration
1. 1 answer
2. asked by Anthony
3. 503 views
2. Susan has a bank account in Bank of America. She takes out 600 dollars a month for rent. 3 month later, she has $3,200.What
1. 1 answer
2. asked by jarron
3. 540 views
3. For the following, state the domain, range, and state whether the relation is a function. If it is not a function explain
1. 1 answer
2. asked by jarron
3. 457 views
A pilot flying low and slow drops a weight; it takes 3.2s to hit the ground, during which it travels a horizontal distance of
1. 1 answer
2. asked by jay
3. 544 views
Ca + Cr2O7{-2} = Ca{2+} + Cr{+3}Blance the redox please someone help me I got exam tomorrow and I got to go sleep soon
1. 3 answers
2. asked by Please help
3. 1,523 views
1. A human gene carries a certain disease from a mother to her child with a probability rate of 0.58. That is, there is a 58%
1. 0 answers
2. asked by Lisa
3. 1,675 views
The exact conversion between the English measurement system and the metric system is given by the equation 1 inch= 2.54 cm.Let
1. 1 answer
2. asked by anonymous
3. 685 views
Using D for tall plants and d for dwarf plants, a 1:1 ratio is obtained in which of the following crosses? These are my choices:
1. 1 answer
2. asked by Julie
3. 1,237 views
The density of steel is about 0.28Ib/in^3. could you lift a solid steel ball with radius 4in? whith radius 6in? explain
1. 1 answer
2. asked by George
3. 389 views
Albinism is inherited as a simple recessive trait. If a woman and her husband are both heterozygous for albinism then what is
1. 0 answers
2. asked by Hannah
3. 635 views
You have three solutions, A, B, and C, each of which are believed to be one of the following: calcium hydroxide, potassium
1. 1 answer
2. asked by Matt
3. 603 views
find the radius of a sphere withh the given property.A.The number of square meters of a surface area equals the number of cubic
1. 1 answer
2. asked by George
3. 546 views
Saccharin (C7H5NO3S) is sometimes dispensed in tablet form. Ten tablets with total mass of 0.5860 g were dissolved in water.
1. 1 answer
2. asked by chica
3. 904 views
what is the radius of the ball of string to the nearest tenth of a foot?A. 3.3 B. 6.6 C. 13.2 D. 20.75
1. 1 answer
2. asked by George
3. 394 views
Which is the best approximation of the volume of the ball of string?A. 300ft^3 B. 600ft^3 C. 1,200ft^3 D. 2,400ft^3
1. 1 answer
2. asked by George
3. 364 views
A regular pentagonal solid prism has 9cm base edges. A larger, similar solid prism of the same material has 36cm base edges. How
1. 3 answers
2. asked by George
3. 4,514 views
Two similar pyramids have laterl area 8ft^2 and 18ft^2. The volume of the smaller pyramid is 32ft^3. Find the volume of the
1. 0 answers
2. asked by George
3. 663 views
The slan heights of two similar pyramids are in the ratio 1:5. The volume of the smaller pyramid is 60m^3. What is the volume in
1. 1 answer
2. asked by George
3. 707 views
A lawn chair weighs 8Ib. A child's lawn chair has dimensions exactly one half those of the larger chair. How many pounds does
1. 0 answers
2. asked by George
3. 470 views
The volume of two similar rectangular prisms are 64cm^3 and 1000cm^3. The surface area of the smaller figure is 112cm^2. What is
1. 0 answers
2. asked by George
3. 897 views
What is then volume in mL of then solution 3.04g of sodium chloride from a 0.110 M solution?
1. 1 answer
2. asked by samantha
3. 341 views
Find the missing length.MG=10cm, NP=4cm, QP= 14cm, MN=____cm
1. 0 answers
2. asked by George
3. 384 views
Saccharin (C7H5NO3S) is sometimes dispensed in tablet form. Ten tablets with total mass of 0.5800 g were dissolved in water.
1. 1 answer
2. asked by Anonymous
3. 775 views
Calculate the molarity of a solution prepared by dissolving 16 g of urea,NH2CONH2, in 39 g of H2O. The density of the solution
1. 1 answer
2. asked by danielle
3. 694 views
Is there a website which gives safety rules for a study session outside a laboratory, mainly outdoors? It should be for students
1. 1 answer
2. asked by Anonymous
3. 544 views
3. A box is given an initial speed of 3.0 m/s up an incline where the angle θ =22o. Use the diagram below to define the x-y
1. 1 answer
2. asked by sam
3. 618 views
Agree or disagree with this statements and explain:If the demand for a good has unitary elasticity, or elasticity is -1, it is
1. 0 answers
2. asked by Jeff
3. 459 views
i need help to solve this 0.3(0.3x+0.8<-0.3
1. 1 answer
2. asked by vanessa
3. 286 views
I need to form a question out of this response. I wanted to know if it was correct.Response:Hay mucha tarea hoy. Question I
1. 2 answers
2. asked by Devyn
3. 1,150 views
the function f(x)=-0.005x^2+0.8x+12 models the relationship between a certain vehicle's speed and a fuel economy, where f(x) is
1. 0 answers
2. asked by Sydney
3. 1,272 views
the formula T=1/f relates the period of a sound wave T to its frequency f. solve this formula for f.
1. 3 answers
2. asked by shoua
3. 3,009 views
DVD cases are 9/16" wide. If Juan has 60 DVDs, how many will fit on a 2 1/2 feet long shelf?
1. 7 answers
2. asked by Ariana
3. 3,519 views
football is kicked off with an initial speed of 66 ft/s at a projection angle of 45 degrees. A receiver on the goal line 63 yd
1. 1 answer
2. asked by lucas
3. 732 views
5th grade math parent. This will sound dumb but.... 5/7 1/2 and 3/14. The sum is 1 3/7 correct? The question reads MArshall
1. 1 answer
2. asked by Sara
3. 1,073 views
5th grade math parent. This will sound dumb but.... 5/7 1/2 and 3/14. The sum is 1 3/7 correct? The question reads MArshall
1. 1 answer
2. asked by Sara
3. 1,087 views
If you take a 15.0-mL portion of the stock solution and dilute it to a total volume of 0.700L , what will be the concentration
1. 1 answer
2. asked by meaghan
3. 7,097 views
A local photocopying store advertises as follows. " We charge 14 cents per copy for 150 copies or less,6 cents per copy for each
1. 2 answers
2. asked by Ann
3. 616 views
Thank you Jai!
1. 1 answer
2. asked by Sara
3. 287 views
how to write a proposal in brief for a 10 marks question? What structure should be followed for just 10 marks?
1. 2 answers
2. asked by neha
3. 378 views
Why does the moon not require a push to keep it along its orbit around the earth? -I have to use Newton's first law of motion.
1. 0 answers
2. asked by Losa
3. 422 views
Chiara's show is coming soon. We can't wait to see it.(How do you pronounce "Chiara' in the first sentence?)
1. 1 answer
2. asked by rfvv
3. 395 views
Proving quadrilateralsPLEASE PLEASE PLEASE HELP *the diagonals of a square bisect the vertex angle * the diagonal of a rhombus
1. 1 answer
2. asked by Julia
3. 713 views
1/100000-1/10000
1. 1 answer
2. asked by Tekishia
3. 402 views
customers loan of 675 the annual interest is 19.25. what is the total dollar amount to be repaid including principle and
1. 1 answer
2. asked by Anonymous
3. 435 views
find the total amont to be paid if :-(i)one rain coat of rs.300,vat@10% (ii)one pair of shoes of rs.460,vat@9% (iii)clothes of
1. 1 answer
2. asked by shrestha tejaswi
3. 629 views
5th grade parent can you please show me how to break down 4 4/5 does it end up being 24/5? the probleam is: 4/4/5 -1 7/8
1. 1 answer
2. asked by Sara
3. 1,120 views
i am a no. less than 10.my hundredths digit 3 more than my thousands digit.my tenths is 2 less than my hundredths and my ones is
1. 2 answers
2. asked by kristine Ramos
3. 968 views
Find the roots of the following quadratic equations (if they exist)by the mnethod of completion of the square .(i)
1. 1 answer
2. asked by help()!!!!!
3. 425 views
Find a formula for the n'th of the sequence :2,4,8,16,32
1. 1 answer
2. asked by arzam
3. 1,064 views
When drawing a card from a deck, the P(king and hearts) is:
1. 2 answers
2. asked by Alex
3. 806 views
When drawing a card from a deck, the P(face card and red) is:
1. 2 answers
2. asked by Alex
3. 2,136 views
What is the probability of rolling two number cubes and having the first cube land on 2 and the second cube land on 3?I got 2/6
1. 2 answers
2. asked by Alex
3. 1,654 views
Find the n'th term of the sequence :a) 1/2, 2/3, 3/4, 4/5 b) 5/1^2, 5/2^2, 5/3^2, 5/4^2
1. 1 answer
2. asked by arzam
3. 413 views
Find the n'th term of the sequence :a) 1/2, 2/3, 3/4, 4/5 b) 5/1^2, 5/2^2, 5/3^2, 5/4^2 c) 3/1, 4/2, 5/3, 6/4
1. 0 answers
2. asked by arzam
3. 304 views
You took 0.99ml of a hexokinase assay solution and added 10 ul of an unknown glucose sample. The absorbance at 340nm is 0.422
1. 0 answers
2. asked by lacy
3. 540 views
Summarize the main points of this reading.Possible points to reflect upon for your reflection paper and for workshop discussion
1. 1 answer
2. asked by ios7
3. 549 views
What is a possible hypothesis that could be tested in the Atomic Theory lab?
1. 0 answers
2. asked by bob
3. 356 views
find an advertisement for a weight loss product either online or in the print media, the more unbelievable the claims, the
1. 1 answer
2. asked by ios7
3. 506 views
You took 0.99ml of a hexokinase assay solution and added 10 ul of an unknown glucose sample. The absorbance at 340nm is 0.422
1. 0 answers
2. asked by lacy
3. 471 views
calculate the number of moles of H2SO4 wich were added to the NaOH solution
1. 0 answers
2. asked by gill
3. 419 views
What is molarity? what is the unit to measure moralrity?
1. 1 answer
2. asked by Anonymous
3. 402 views
If a line with x-intercept −3 andy-intercept 21 passes through point P=(8,a) , what is the value of a?
1. 1 answer
2. asked by CHRIS
3. 383 views
There are 3 consecutive even integers such that the quotient obtained by dividing twice the largest integer by the smallest
1. 2 answers
2. asked by rr
3. 1,794 views
Read “Witty Ticcy Ray” by Oliver SacksWhat does Ray mean when he says “Suppose you could take away the tics. What would be
1. 1 answer
2. asked by ios7
3. 452 views
Read “Witty Ticcy Ray” by Oliver SacksHow does Oliver Sacks, a neurologist, look beyond his biological/medical paradigm in
1. 1 answer
2. asked by ios7
3. 401 views
a body of mass m accelarates uniformly from the rest to velocity v1 in time t,find the expression for instantaneous power
1. 0 answers
2. asked by ether
3. 377 views
If P=(a,a) is a point on the liney=−2x+27, what is the value of a?
1. 1 answer
2. asked by CHRIS
3. 287 views

Back to September 2013

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2024