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edward

Questions (149)

I'd like some help to calculate flux of F={(x, y, z) = x(z^3 − y^2), −yz^3, z(y^2 − 1)} going through surface S = {(x, y,
1. 1 answer
2. 18 views
Determine the zero(s) of the quadratic function
1. 1 answer
2. 193 views
With such huge increases in population, why has there not been a direct and equivalent increase in urban development (i.e., why
1. 1 answer
2. 282 views
What led to the increase in steel consumption seen on the graph?Fossil fuels that became popular depends on steel production.
1. 0 answers
2. 208 views
give a decagon( 12 sides) with a circle inscribed that has a radius of 25. find the area of the decagon
1. 1 answer
2. 139 views
what is the even number
1. 2 answers
2. 187 views
how can u calculate mixed fraction of addition
1. 2 answers
2. 270 views
what can i work with these subjects...
1. 1 answer
2. 215 views
Jason spent a total of $79.80 on 6 pens and 12 erasers for his friends. A pen costs 5 times as much as an eraser. Find the cost
1. 2 answers
2. 561 views
A tank is drained by two pipes.One pipe can empty the tank in 30minutes,and the can empty it in 25minutes.If the tank is 5/6
1. 5 answers
2. 1,351 views
Find the intercepts if anyx^2+y^2+8x-8y-49=0 EW1
1. 1 answer
2. 372 views
Find the distance d (P1, P2) between the points P1 and P2P1 = (−4, 4) ; P2 = (1, 6) d(p1,P2)= ____ (Simplify your answer. Type
1. 2 answers
2. 844 views
Find the midpoint of the line segment joining the points P1 and P2P1= (5,2) P2= (-4,3) The midpoint is _______ (Type an ordered
1. 2 answers
2. 670 views
Find the equation of a line that is parallel to the line y = −3x and contains the points (9,−4).Y=______ (Type your answer
1. 1 answer
2. 509 views
Find the equation of a line that is perpendicular to the line y = 1/4x + 5 and contains the point (-6, 0)Y=________ (Type your
1. 2 answers
2. 492 views
Find the intercepts and use them to graph the equation. Y = x-7qaz
1. 1 answer
2. 554 views
A circle has the equation x squared plus y squared plus 8 x minus 8 y minus 49 equals 0Graph the circle using the center (h,k)
1. 1 answer
2. 884 views
Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notationx
1. 1 answer
2. 720 views
Write the expression as a sum and/or difference of logarithms. Express powers as factors.log3(27x)
1. 2 answers
2. 2,907 views
Solve the exponential equation. Express the solution in terms of natural logarithms. Then, use a calculator to obtain a decimal
1. 2 answers
2. 1,661 views
Solve the logarithmic equation. Be sure to reject any value of x that is not in the domain of the original logarithmic
1. 1 answer
2. 1,223 views
Find the domain of the composite function f◦g.Find the domain of the composite function f◦g. F(x)= 3/(x-3); g(x)= 2/x
1. 1 answer
2. 1,131 views
The population of viruses in an influenza culture after t hours is given by the functionx(t) = 4et/2.5 The cost y in dollars for
1. 1 answer
2. 905 views
the gravitational force on an object on the surface of the earth is F , what's the gravitational force on the satelite when at
1. 0 answers
2. 452 views
how many years will have to pass before only 3% of radioactive isotope is left if there is a half ye
1. 1 answer
2. 395 views
precious father is 5times older than his daughter precious and precious is twice as old as his brother mathew.in two year time
1. 2 answers
2. 499 views
x^4+2x^2.y^2+y^4.......plz help
1. 3 answers
2. 322 views
A-C=B/2A-B=C/6 B+C=32 find A,B,C
1. 1 answer
2. 522 views
resolve the partail fraction and then integrate.3x^2-34x+97/(x-5)^3
1. 1 answer
2. 380 views
9^x(-2)+3^3(x)=81 i need help
1. 5 answers
2. 318 views
9^x(-2)+3^3x=81.... here is wat i did bt i go confuse(3^x)(-4)+(3^x)3=81 let 3^x=b b/4+b^3=81 multiply tru 4 b+b^3=81
1. 2 answers
2. 312 views
12 is divided into two parts such that the product of the square of one part and fourth power of the other give a maximum,find
1. 1 answer
2. 478 views
integrate. (1):sin2xcos3x(2):5(cos3x)^2
1. 2 answers
2. 671 views
find the equation of a tangent of a curve at point(1,3)x^2.y^3+y^2.x^4+4x^2-14=0,i tried differentiate it n also applying this
1. 2 answers
2. 429 views
calculate the relative permeability of an iron ring when the exiting current taken by the 600-turns of coils is 1.2A and the
1. 0 answers
2. 447 views
y=2^nx differentiate with respect to x using the first principle
1. 2 answers
2. 389 views
show that any fuctiony(t)=acosx+bsinx ,satisfied the differential equation y^"+wy=0 and also find the value of (a) and (b)
1. 0 answers
2. 721 views
find the centroid of the area of the finite region enclosed by the curve y=x^(2)+1 when x-axis and the line x=0 and x=3
1. 0 answers
2. 481 views
find the centroid of the area of the finite region enclosed by the curve y=x^(2)+1, when x-axis and the line, x=0 and x=3
1. 4 answers
2. 555 views
(1)find dy/dx of y if y=tan^(-1)1/x^2(2) if y=3z^2.z^2 find dy/dz (3) if y=x^x show that dy/dx=x|n(x+1).. thanks
1. 4 answers
2. 318 views
the graph of the relation y=x^2+2x+k, passes through 2 and 0 find the value of k. plz explain
1. 1 answer
2. 416 views
(i):find the number of four letter words that can be formed from the letter history(ii):how many of them begin and end with a
1. 12 answers
2. 760 views
logx+logx+n-logx/n.plz solve with explanation thanks
1. 2 answers
2. 543 views
in how many ways can be the first four letters of your name be arranged to form a three letter word,(i)when the letter can be
1. 1 answer
2. 561 views
A rectangular face of a casting 250mmx100mm is to be machined on a sharper.if the average cutting speed is to be 20m/mins and
1. 2 answers
2. 407 views
damon,reiny,steve,ms sue.plz get a solution 2 my question please itz urgent!!!
1. 1 answer
2. 436 views
qustion(1):A rectangular face of a casting 250mmx100mm is to be machined on a sharper.if the average cuting speed is to be
1. 1 answer
2. 414 views
integrate. cos7xcos3xsinxdx.plz help tanks
1. 0 answers
2. 361 views
A shop is sending out a bill for an amount less than #100.the accountant interchange the two digits and so overcharage the
1. 13 answers
2. 989 views
integrate x^xdx.plz explain thanks
1. 1 answer
2. 456 views
resolve the partial fraction:x^3+6/x^2(x+3).with explanations thanks
1. 4 answers
2. 457 views
resolve the partial fraction: x^3+6/x^2x+6.plz explain thanks
1. 1 answer
2. 421 views
if the price of an orange was raised by 1/2k per orange, the number of oranges a customer can buy for #2.40 wil be less than
1. 2 answers
2. 1,798 views
qustion(1)x^x=100, find xquestion(2):2x+2y<4,3x+4y>6 find the value of x&y that satisfy the inequalities qustion(3):x^x=100^x
1. 2 answers
2. 487 views
qustion(1):find the product of xy if x,3/2,6/7,y are in a g.pqustion(2):calculate the angle between the vector u=2i+2j and
1. 2 answers
2. 552 views
if the radius of a sphere decreases by 0.1%,find the percentage decreases in (i)surface area(ii)volume
1. 1 answer
2. 860 views
Why the blood pressre in human greater at the feet than in the brain?
1. 1 answer
2. 398 views
while training for a marathon Anderson is supposed to run a total of 10 miles total during the week. he ran the following number
1. 1 answer
2. 444 views
did i answer the question: Explain how one of the major concepts learned in CHM 111 applies to everyday life.One major concept
1. 1 answer
2. 501 views
did i answer the question: Explain how one of the major concepts learned in CHM 111 applies to everyday life.One major concept
1. 2 answers
2. 464 views
what major concepts makes chemistry useful in everday life?
1. 3 answers
2. 360 views
what major concepts makes chemistry useful in everday life?
1. 1 answer
2. 346 views
how does chemistry apply to everday life?
1. 1 answer
2. 465 views
A wheel is free to rotate about its fixed axle. A spring with constant k = 290 N/m is attached to one of its spokes a distance r
1. 0 answers
2. 863 views
please tell me new ideas regarding information and communication technology that have not yet used in daily life..
1. 1 answer
2. 627 views
if you take five tests and come out with your grades. order these numbers from least to greatest76% 8/10 90% 17/20 83% then find
1. 1 answer
2. 489 views
the key to using a pedometer to meet the physical activity guidlines for americans is to?
1. 0 answers
2. 425 views
how to make a model for scince fair for purification of smoke coming out of chimneys? And how this purified smoke can be used
1. 0 answers
2. 423 views
i have to make a model for science fair. Any new development!. So please give me only idea that which new development can be
1. 1 answer
2. 426 views
write the programing for following1 2 3 4 5 6 7 8 9 10 10 9 8 7 6 5 4 3 2 1 1 1 2 1 2 3 1 2 3 4 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4
1. 1 answer
2. 323 views
according to einstein's mass energy relationM= m'/root[1-(v^2/c^2)] Where M is mass of particle when it moves with velocity 'v'
1. 2 answers
2. 560 views
prove that 4cos36+cot15/2=1+4+9+16+25+36,ifcot15/2 is1+cos15/+sin15
1. 1 answer
2. 662 views
an amount of Rs 5000 is put into three/investments at the rate of interest of 6%, 7%, 8% per annum respectively; the total
1. 2 answers
2. 5,449 views
how to show with the help of a model that resistivity of a conductor increases with increase in temperature?
1. 0 answers
2. 405 views
why acceleration at any instant does not velocity at any instant?
1. 0 answers
2. 314 views
show that accelration at any instant does not depend upon velocity at any instant?
1. 0 answers
2. 379 views
1)How can you determine average velocity from displacement time graph?
1. 1 answer
2. 450 views
prove that average velocity of particle over an interval of time is either smaller than or equal to average speed of particle
1. 0 answers
2. 577 views
please give me some idea for making a working model based on optics. Like combination of light and lenses, spectrum etc......&
1. 0 answers
2. 437 views
1.descibe the construction and working of machine used to generate high voltage?2.draw electric lines between the plates of a
1. 1 answer
2. 880 views
how does the total energy stored in a capacitor change, when the medium of air is replaced by a medium of dielectric constaant
1. 1 answer
2. 694 views
what does 1M solution of sugar stands for?
1. 1 answer
2. 384 views
1.what is the advantage of heating gellium semi-conductor with sites or gold instruct of indium and boron?2.why co-ordination
1. 0 answers
2. 349 views
1.if 2^x+2^y=2^(x+y) then dy/dx is equal to what?2.If x.root(1+y)+y.root(1+x)=0 then dy/dx is equal to what?
1. 2 answers
2. 475 views
1.)Sin^-1(x)+Sin^-1(y)+Sin^-1(z)= pieProve that X.root(1-y^2)+y.root(1-x^2)+z.root(1-z^2)=2xyz
1. 0 answers
2. 729 views
there is technology day celebration in our school. I have to give a speech on a new technology that has developed recently and
1. 1 answer
2. 594 views
a matrix X has a+b rows and a+2 columns while the matrix Y has b+1 rows and a+3 columns. both matrices XY and YX exist. find a
1. 2 answers
2. 2,014 views
a trust fund has rs30000 that must be invested in two diferent types of bonds.the first bond pays 5% and second 7% interest per
1. 1 answer
2. 625 views
a ball rolling on oa inclined plane dors so with constant acceleration. One ball, A, is released from rest on th etop of an
1. 1 answer
2. 636 views
if the angular speed of earth becomes 17times its present value what will be the 1.effect on a body on the equator of earth? it
1. 0 answers
2. 442 views
if the angular speed of earth becomes 17times its present value what will be the 1.effect on a body on the equator of earth? it
1. 1 answer
2. 515 views
i have to prepare a new technology based model for science fair that has been rarely known. Is there any different technology in
1. 1 answer
2. 401 views
sound waves travel faster in humidity than in dry air. But as temperature increases the velocity of sound also increases. So
1. 0 answers
2. 622 views
what is the refrevtion of waves? And what are the laws'of refraction? Also about phase change.
1. 1 answer
2. 500 views
1. What are the examples of supersonic waves? 2. What is match cone, match no? 3. Define echo? 4. What is the effect of
1. 0 answers
2. 456 views
a circular ink-blot grows at a rate of 2 sq cm per second. find the rate at which the radius is increasing after (28/11)seconds.
1. 4 answers
2. 951 views
how are longhouses and present day homes alike'
1. 1 answer
2. 402 views
how can we collect sound energy from outside? then it can be converted into electricity with the help of transducer. Have to
1. 0 answers
2. 356 views
what is the range of the function f(x)=1/root(|x|-x) and its domain.
1. 1 answer
2. 359 views
if [x] denotes the integral part of x, then what is the solution set of the equation [x]^2 -5[x]+6=0
1. 1 answer
2. 858 views

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