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Questions Asked on November 15, 2015

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. 4,495 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. 3,661 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. 3,574 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. 3,390 views
Calculate the standard enthalpy change for the reaction2A+B⇌2C+2D Use the following data: Substance ΔH∘f (kJ/mol) A -251 B
1. 3 answers
2. asked by Miranda
3. 3,070 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. 2,882 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. 2,738 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. 2,478 views
El Niño is a change in how warm the ocean is. It happens when warm water from the Pacific moves eastward. No one knows why this
1. 3 answers
2. asked by jelena
3. 2,075 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. 1,967 views
Animals breathe in ___ and breathe out __In sunlight plants take in ___ and realease __
1. 3 answers
2. asked by Anonymous
3. 1,961 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. 1,951 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. 1,897 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. 1,872 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. 1,814 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. 1,798 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. 1,663 views
x^2 - 4What are the: Intervals on which the graph is above the x axis Intervals on which the graph is below the x axis Intervals
1. 2 answers
2. asked by Rose
3. 1,624 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. 1,614 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. 1,505 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. 1,409 views
Given:PbSO4 + 2e− Pb + SO42− E° = -0.356 V PbO2 + 4H+ + SO42− + 2e− PbSO4 + 2H2O E° = 1.685 V Determine the cell
1. 2 answers
2. asked by Anonymous
3. 1,386 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. 1,329 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. 1,286 views
El Niño is a change in how warm the ocean is. It happens when warm water from the Pacific moves eastward. No one knows why this
1. 8 answers
2. asked by lana
3. 1,249 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. 1,234 views
Calculate the number of moles of hcl(aq)added to sodium thiosulphate
1. 1 answer
2. asked by peter
3. 1,230 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. 1,224 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. 1,223 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. 1,178 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. 1,164 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. 1,153 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. 1,147 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. 1,103 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. 1,097 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. 1,077 views
Sarah can type 225 words in five minutes. She then typed 135 words in three minutes. If sarah types for 24 minutes, how many
1. 1 answer
2. asked by Max
3. 1,004 views
A thin spherical shell of silver has an inner radius of 8.74 x 10-2 m when the temperature is 29.4 °C. The shell is heated to
1. 1 answer
2. asked by Kevin
3. 1,004 views
An airplane is travelling at a speed of 600 mph on a heading of 345 degrees. There is a wind moving at a speed of70 mph on a
1. 1 answer
2. asked by johnny
3. 1,003 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. 998 views
if your plane is flying 25° north of east at the speed of 820 kg per hour how fast is it moving to the north?
1. 1 answer
2. asked by Karlie
3. 993 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. 954 views
The produce manager receives 5 containers of green beans, each weighing 7 pounds. She divides the total amount of green beans
1. 2 answers
2. asked by teresa
3. 942 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. 939 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. 923 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. 913 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. 881 views
When a wood shelf of mass 7.2 kg is fastened inside a slot in a vertical support as shown in (Figure 1) , the support exerts a
1. 0 answers
2. asked by Anonymous
3. 861 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. 1 answer
2. asked by Anonymous
3. 843 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. 828 views
find 2 solutions of tan θ=.6524 in both degrees and radians.I know the answer are 33.12 degrees/.578 radians and 213.12
1. 1 answer
2. asked by elle
3. 826 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. 819 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. 814 views
1. The distance, d(t), fallen by a free-falling body is represented by d(t)+vt-0.5gt^2, where v is initial velocity and g is
1. 2 answers
2. asked by cierra
3. 808 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. 780 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. 775 views
A car travels 15km northwards. 5km eastwards, 10km southwards, and 5km westwards to arrive at point P. Find its total
1. 1 answer
2. asked by Benny
3. 768 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. 742 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. 714 views
When a wood shelf of mass 7.2 kg is fastened inside a slot in a vertical support as shown in (Figure 1) , the support exerts a
1. 0 answers
2. asked by Anonymous
3. 711 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. 686 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. 668 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. 651 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. 650 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. 648 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. 639 views
Gary owns a car dealership that sells cars, SUVs and minivans. Gary has three times asmany SUVs as Minivans. He has eight more
1. 2 answers
2. asked by Need Help
3. 636 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. 634 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. 624 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. 619 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. 599 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. 599 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. 594 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. 583 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. 574 views
translate 16 less than the quotient of a number and 7 equals 3
1. 1 answer
2. asked by tp
3. 573 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. 559 views
for each mathematical statement below determine if it's always, sometimes, or never true.a. |m-n| = |m| - |n| b. b + (-b) = 0
1. 2 answers
2. asked by teaopi
3. 557 views
The students in a political science class are divided up into three categories: liberal,conservative, or moderate. There are
1. 2 answers
2. asked by Test
3. 557 views
what percentage of women have shoe sizes greater than 11.33 if the mean is 8.27 and the deviation is 1.53?11.33-8.27=3.06/1.53=2
1. 1 answer
2. asked by Evelyn
3. 546 views
What are some dependent variables for Global Warming?
1. 2 answers
2. asked by John Doswell
3. 544 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. 541 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. 535 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. 532 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. 527 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. 521 views
How much water must be added to 200 g of a 10% NaOH solution to obtain 8%solution
1. 1 answer
2. asked by mustafa
3. 516 views
Definition of Philosophy??And Definition of logic ??
1. 2 answers
2. asked by Mark
3. 511 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. 504 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. 494 views
What gas do plants give off in the light
1. 1 answer
2. asked by Anonymous
3. 490 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. 486 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. 485 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. 483 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. 481 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. 480 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. 476 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. 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. 461 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. 456 views

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