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Questions Asked on November 15, 2015

Calculate the number of moles of hcl(aq)added to sodium thiosulphate
1. 1 answer
2. asked by peter
3. 1,212 views
A train can deccerate at 0.4 m/s. It's traveling at 160km/hr. How far in advance should it apply brakes to come to a full stop.
1. 3 answers
2. asked by Jas
3. 2,866 views
Sarah has about containing x ribbons and 4 extra ribbons. Jill's has 12 ribbons.Express the number of ribbons that Sarah has in
1. 7 answers
2. asked by Josh
3. 1,601 views
Find the absolute minimum and absolute maximum values of f on the given interval.f(t) = 16 cos t + 8 sin 2t, [0, π/2]
1. 2 answers
2. asked by TayB
3. 3,379 views
Can someone help me fix my sentences or suggest any changes. This has to be in past tense and make sense. I think it make sense
1. 3 answers
2. asked by Emily
3. 540 views
The perimeter of a rectangular garden is 62 m.If the length is 3 meters longer than the width,what is the width of the garden?
1. 1 answer
2. asked by Gallia
3. 1,785 views
How would I change this sentence: into a passiveThe jury announced the verdict after five hours of deliberations.
1. 3 answers
2. asked by jennifer
3. 442 views
How would I write this sentence in an active voice:"Blue Suede Shoes" was sung by Elvis Presley Is this correct: Elvis sang "
1. 2 answers
2. asked by jennifer
3. 586 views
If $3000 is invested at 6% p.a. compounding yearly, how long will it take to double the value?
1. 1 answer
2. asked by Paige
3. 401 views
1.) Use sigma notation to describe the sum of the first ten terms of the arithmetic sequence.20+18.5+17+15.5+14+12.5+11+9.5+8+6.
1. 1 answer
2. asked by Ellie
3. 940 views
Active voice: The sleet turned the old municipal building into an ice castleIs this correct for a Passive voice Passive voice
1. 3 answers
2. asked by jennifer
3. 429 views
Why don't we run out of the important gases that we need to stay alive?
1. 3 answers
2. asked by Anonymous
3. 1,400 views
What gas do plants give off in the light
1. 1 answer
2. asked by Anonymous
3. 483 views
Animals breathe in ___ and breathe out __In sunlight plants take in ___ and realease __
1. 3 answers
2. asked by Anonymous
3. 1,951 views
simulate a 24 hour day 12 hours of light 12 hours of dark how many snails and plants do you ened to keep a stable environment
1. 8 answers
2. asked by Anonymous
3. 1,888 views
Two identical small spheres of mass 2.0g are fastened to the ends of an insulating thread of length 0.60m The spheres are
1. 1 answer
2. asked by Ness
3. 1,211 views
The 3.1 kg box shown below slides with a constant speed down an incline at an angle of θ = 28.0° to the horizontal.What is the
1. 1 answer
2. asked by Mariah
3. 612 views
Passive Voice Sentence:The priceless vase was smuggled ( by someone) out of the country. Is this correct using an Active voice:
1. 1 answer
2. asked by jennifer
3. 470 views
Passive Voice Sentence:More concern was shown (by television viewers) over the Super Bowl than over the outbreak of an
1. 3 answers
2. asked by jennifer
3. 469 views
An automobile is traveling 50 km/h². It deccerate at 5 m/s², how far will it take to travel after the brake are applied?
1. 1 answer
2. asked by Abby
3. 450 views
I'm doing History , Life science, Geography and maths literacy......I want to do carreers that relate to helping people and
1. 4 answers
2. asked by Gugu Hope Mbolambi
3. 1,090 views
A certain amount of gas has a volume of 4000cm^3 at a temperature of 27 degree celsius and a pressure of 1.2 atmospheres. If the
1. 0 answers
2. asked by Hera
3. 521 views
If the specific heat of ice is 0.5 cal/g degree celsius, how much heat must be released from 5 g of water at 0 degree celsius to
1. 0 answers
2. asked by Peter
3. 616 views
The digit 3 appears fourteen times in tye page numbers of Chapter 1 of a book.How manypages are there in Chapter 1 of the book?
1. 1 answer
2. asked by Gallia
3. 562 views
Divide and reduce to lowest terms wherever possible.105/ 5+1/4
1. 1 answer
2. asked by John
3. 386 views
rotating space station has radius 1380 m, measured from the center of rotation to the outer deck where the crew lives. What
1. 2 answers
2. asked by Anonymous
3. 659 views
Think we have it but want to make sureWrite the standard form of the equation of each line using integers. 1. Y=-8/5x-4 Answer
1. 1 answer
2. asked by Mom
3. 373 views
A 0.120 g sample of a diprotic acid of unknown molar mass is dissolved in water and titrated with 0.1218 M NaOH. The equivalence
1. 0 answers
2. asked by Jorge
3. 913 views
How were each of the following cations utimately separated from the rest of the group and /or decorated? The use of equations
1. 1 answer
2. asked by Elena
3. 374 views
A parallelogram has sides of lengths 7 and 4, and one angle is 55°. Find the lengths of the diagonals. (Round your answers to
1. 1 answer
2. asked by Karl
3. 1,939 views
A spherical tank of radius a feet is buried in the ground. The top of the tank lies b feet below the surface of the
1. 1 answer
2. asked by josh
3. 525 views
Consider the 4 leaf rose and a circle having polar equations: r=10cos(2Θ) and r=5 with 0≤Θ≤2π, respectively. Find the
1. 1 answer
2. asked by josh
3. 585 views
Consider the function below.f(x)= (x^2)/((x-4)^2) Find the interval where the function is concave up. (Enter your answer using
1. 1 answer
2. asked by TayB
3. 1,061 views
Use Newton's method to approximate the indicated root of the equation correct to six decimal places. The root of x^4 − 2x^3 +
1. 0 answers
2. asked by TayB
3. 634 views
A BALL IS PROJECTED VERTICALLY UPWARD FROM THE TOP OF A TOWER 60MITRE HIGH WITH A VELOCITY OF 30MITRE PER SECONDS.WHAT IS THE
1. 2 answers
2. asked by Anonymous
3. 816 views
A gas has density of 1.977 g/dm3 at STP(a) what is its molecular mass? (b) what is its density at 77¢XC and 0.95 atm pressure?
1. 1 answer
2. asked by Janice
3. 805 views
locate the center, foci, vertices,ends of the latera recta and draw the conic. Compute the eccentricity and equation of the
1. 0 answers
2. asked by rhinechilde
3. 614 views
find the equation of a parabola with vertex on line y = 2x, axis parallel to the y axis and passing through (3/2, 1) and (3, 4).
1. 0 answers
2. asked by rhinechilde
3. 576 views
one half of what john's age was 4 years ago is equal to on of thrid of what it will be in 5 years time.How old is john now
1. 1 answer
2. asked by lili
3. 482 views
a parkway 80 ft. wide is spanned by a parabolic arc 100 ft. long along the horizontal, if the parkway is in the center, how high
1. 0 answers
2. asked by rhinechilde
3. 927 views
Find the equation of the ellipse having the center at the origin and the major axes on OX.a) passing through (2 sq root of 2,
1. 0 answers
2. asked by rhinechilde
3. 519 views
Period of moon=273 daysRadius of moon =3,9x10^5 km Radius of satellite = 7200km Period of satellite=?
1. 0 answers
2. asked by Mk
3. 464 views
A student performed an experiment to determine the molecular weight of a gaseous compound.Using the ideal gas law PV = nRT, and
1. 1 answer
2. asked by Ericka
3. 984 views
how we prepare 0.5 mol of solution of hcl in 70ml in water
1. 1 answer
2. asked by asif
3. 366 views
how much dilute sulphuric acid add for making 18 g/l of Mohr salt solution
1. 1 answer
2. asked by reeti anand
3. 512 views
One pipe can fill the swimming pool in 6h and on other in 8h. If the first run for 2h and then the second is opened. How long
1. 1 answer
2. asked by Britz
3. 433 views
10000 tonnes of iron reacted in a blast furnace Fe2O3 calculate the typical mass of iron produced each day
1. 2 answers
2. asked by Anonymous
3. 2,723 views
A surveyor stands 200m from the base of a tower on which an Ariel stands. He measures the angle of elevation to the top and
1. 1 answer
2. asked by Nongo
3. 869 views
A disk shaped yoyo (m=220 grams) has a 70 cm long string. The radius of the central winding peg is 2.5 mm, the outer radius of
1. 0 answers
2. asked by Anonymous
3. 421 views
john can usually wash a car in 45 mins. where as jim took 30 mins. for the job. one weekend they were in a hurry, so they worked
1. 1 answer
2. asked by Britz
3. 397 views
In many years time will a some of money quintuple at a rate of 4% per annum compounded quarterly?
1. 1 answer
2. asked by farahan
3. 393 views
how to develop a C program that will determine whether a department-store customer has exceeded the credit limit on a charge
1. 0 answers
2. asked by BILOLI
3. 403 views
In how many years time will a sum of money quintuple at a rate of 4% per annum compounded quarterly?
1. 1 answer
2. asked by farahan
3. 350 views
A standard sodium carbonate solution is prepared in a 250 cm^3 volumetric flaskduring a titration,20 cm^3 of a 0,1 mol.dm^-3
1. 1 answer
2. asked by alex
3. 1,138 views
An ECG monitor must have an RC time constant less than 100 μs to be able to measure variations involtage over small time
1. 1 answer
2. asked by carolyn
3. 1,153 views
Definition of Philosophy??And Definition of logic ??
1. 2 answers
2. asked by Mark
3. 499 views
A 1450 kg car goes over a vertical hill with a radius of 64.7 m. What is the maximum velocity that will keep the car on the road
1. 0 answers
2. asked by Smit
3. 425 views
A hockey skater turns in a circular path with radius of 31.0 m while going 10.5 m/s. If he experiences a centripetal force of
1. 0 answers
2. asked by Smit
3. 524 views
Determine the velocity of the Hubble deep space telescope while it is in orbit at a height of 598 km (5.98 x 105 m) above the
1. 1 answer
2. asked by Smit
3. 762 views
Compare the maximum speeds at which a car can safely navigate a flat, unbanked turn of radius 50.0 m in dry conditions versus
1. 0 answers
2. asked by Smit
3. 801 views
StatisticsThe marks scored by a sample of 56 students are summarised by: N=56 Sum of x =3026 sum of(x-the mean)^2 =15378 A)
1. 0 answers
2. asked by Anonymous
3. 637 views
Given that p-2q over p+2=3q ,express q in terms of p.The answer is C. p over 3p+8 I cant get the steps..help me
1. 2 answers
2. asked by Agnes
3. 3,564 views
Express (a^2+ab-ac-bc)÷a^2-c^2 over a-bin single fraction. Answer is a^2-b^2 over a+c How the steps?
1. 1 answer
2. asked by Agnes
3. 476 views
Explain why the graph of g(x) = 1/x has a horizontal asymptote. What is the equation of this asymptote? Will all reciprocal
1. 1 answer
2. asked by Maddie
3. 468 views
A bicycle spins 10 revs in 5.7 sec. The radius of the wheel is 15 cm a drop of water is 0.3 grams. What height will the drop of
1. 1 answer
2. asked by amelia
3. 359 views
I do not understand verbal representation. Graphic re presentation? Numerical representation?
1. 1 answer
2. asked by Nicole
3. 299 views
In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light
1. 1 answer
2. asked by Dalton
3. 904 views
The annual real estate tax on a duplex house is $20,913 and the owner sell the house after 9 months of the tax year. How much
1. 1 answer
2. asked by Ms. Roberts
3. 1,224 views
when james planted a tree 5 m from a window the tree just blocked from view a building 50 m away if the building was 20 m tall
1. 2 answers
2. asked by lucy
3. 1,212 views
in a lottery, a player wins or shares in the jackpot by selecting the correct 6-number combination when six different numbers
1. 1 answer
2. asked by safi
3. 574 views
A survey indicated that 3 out of 5 doctors use brand x aspirin. If 2000 doctors were surveyed how many used brand x? please show
1. 1 answer
2. asked by LISA COLLEGE MATH
3. 732 views
Tom and Kathy together have 30 chocolates.Both of them lost 6 chocolates each,and the product of the number of chocolates now
1. 1 answer
2. asked by Agnes
3. 1,082 views
solve the system by substitution-4x-5y=-47 x=2y-11
1. 1 answer
2. asked by Anonymous
3. 383 views
when james planted a tree 5 m from a window the tree just blocked from view a building 50 m away if the building was 20 m tall
1. 0 answers
2. asked by lucy
3. 463 views
The cows are in the barn. Is barn a noun or adjective
1. 1 answer
2. asked by Haylee
3. 371 views
In the figure, square WXYZ has a diagonal of 12 units. Point A is a midpoint of segment WX, segment AB is perpendicular to
1. 3 answers
2. asked by Aditi
3. 1,858 views
1.) the first successfully established English colony in North America wasa.) Plymouth b.) New York c.) Jamestown d.) Santa Fe
1. 1 answer
2. asked by Abbie
3. 1,161 views
Why did the English establish colonies in the Americas?The English established colonies in the Americas because the King of
1. 2 answers
2. asked by Abbie
3. 1,314 views
A roller coaster reaches the top of the steepest hill with a speed of 7.0 km/h . It then descends the hill, which is at an
1. 0 answers
2. asked by Emily
3. 696 views
A car starts rolling down a 1-in-6 hill (1-in-6 means that for each 6 m traveled along the road, the elevation change is 1 m).Ho
1. 0 answers
2. asked by Emily
3. 640 views
Hello I'm having trouble with this physics question: You are examining the loss in intensity as light passes through a fibre
1. 1 answer
2. asked by diana
3. 670 views
If the magnetic field in a traveling EM wave has a peak value of 17.9nT, what is the peak value of the electric field strength?
1. 0 answers
2. asked by Anonymous
3. 479 views
A family earns $1800 a month. The family's expenses are at least $1250. Write and solve an inequality to find the possible
1. 3 answers
2. asked by Zero
3. 1,493 views
Painters A and B take 3 hours to paint a roomPainters B and C take 5 hours to paint the same room Painters A and C take 7 hours
1. 1 answer
2. asked by Anonymous
3. 498 views
Which molecule contains a polar covalent bond?a)C2H4 b)ZnS c)LiI d)NBr3 e)AgI
1. 1 answer
2. asked by Mark
3. 1,803 views
1. A hypothetical pure element consists entirely of two isotopes. The natural percent abundance of the isotope with mass 25.5 u
1. 3 answers
2. asked by Melissa
3. 1,944 views
What is the numerical expression for 8[(20-4)-6]
1. 1 answer
2. asked by Anonymous
3. 365 views
4 cos 2x + 3 sin 2x = 2
1. 2 answers
2. asked by Ali
3. 360 views
A 0.120 g sample of a diprotic acid of unknown molar mass is dissolved in water and titrated with 0.1218 M NaOH. The equivalence
1. 1 answer
2. asked by Jorge
3. 1,275 views
What is the reciprocal of 3 3/7Easy 7/e
1. 1 answer
2. asked by Layal
3. 370 views
A car manufacturer claims that you can drive its new vehicle across a hill with a 47 degree slope before the vehicle starts to
1. 1 answer
2. asked by Chris
3. 1,646 views
An aeroplane flies due north from Ikeja Airport for 500km. It then flies on a bearing of 060 degrees for a further distance of
1. 19 answers
2. asked by Anonymous
3. 4,470 views
in the heart blood flows from the right atrium to the right ventricle where it is pumped to the ______ openstudy
1. 3 answers
2. asked by Anonymous
3. 1,133 views
A man moves due north 6km then he moves 4km due west and then moves 4km southwards finally he moves 4km eastwards.Find his:
1. 1 answer
2. asked by Nonso
3. 624 views
I NEED HELP A$AP, PLEASE! I don't understand how to do this :(I have to draw a short roller coaster on graph paper Directions:
1. 14 answers
2. asked by Milana
3. 3,637 views
find the domain of f give the function of f(x)=square root x+5
1. 1 answer
2. asked by lonnie
3. 415 views
I have a homework, someone can help me pls.. Do u think being a teacher is a dream job?
1. 1 answer
2. asked by Favien
3. 353 views
translate 16 less than the quotient of a number and 7 equals 3
1. 1 answer
2. asked by tp
3. 563 views
POEM: The Grammar Of Silk by Cathy SonLines 19-26: "Seamstresses waited at counters like librarians to be consulted. Pens and
1. 2 answers
2. asked by John Doswell
3. 2,461 views
a crane holds a 500kg wrecking ball in place using a wire with tension T1 and is horizontal to the ground. The crane swings it
1. 0 answers
2. asked by Drew
3. 771 views

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