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Questions (31)
a manufacture has found that the marginal cost is 3x - 60x + 400 find the total cost
1 answer
362 views
Write an algorithm that read three integers and then determines and prints the largest and the smallest integers in the group.
1 answer
620 views
Find the weight of led pipe is 3.5 m long if the external diameter of pipe is 2.4 cm and the thickness of led is 2mm and 1cm
1 answer
573 views
If a room were 2m longer and 3m broader its area would have increased by 16 sq m. if its were 1 metre shorter and 2m broader .
1 answer
2,281 views
interpret the number of moles of oxygen atoms in po3-
4
1 answer
424 views
A normal clock loses 3 minutes per hr and another clock gains 5 min per hr. How many hours after from now, both the clocks will
2 answers
2,219 views
Whar are two longest wavelength in frequency 1kghz and 200kghz
1 answer
369 views
a train is moving along a horizontal track. A pendulum suspended from the roof makes an angle 4 degree with the vertical. obtain
2 answers
909 views
construct a triangle ABC where AB=8.5 and BC=6.2.
2 answers
457 views
Prime factors of 23150 . It is unique
1 answer
501 views
boy weighting 30 kg is riding a bicycle weighting 50 kilograms if the bycycle is moving at a speed of 90 kilometres per hour
2 answers
1,981 views
which of the following lines is not parallel to y=2x+1
1)4x-2y=-4 2)2y-x=4 3)y-2x=6 4)2x-y=4
1 answer
400 views
which of the following lines is not parallel y=2x=1
1)4x-2y=-4 2)2y-x=-4 3)y-2x=6 4)2x-y=-4
1 answer
930 views
find the pair own parallel lines
1)-12y+15x=-4 2)4y=-5x-4 3)15+12y=-4
1 answer
582 views
which of the following equations has a graph that is parallel to the graph of 4x-2y=7?
1)4x+2y=2 2)-2y=4x+2 3)7-4x=2y 4)2y=4x+7
2 answers
831 views
find the pair of parallel lines
1)-12y+15x=4 2)4y=-5x-4 3)15x=12y=-4
1 answer
557 views
from a normally distributed infinite number of iron bars lengths with a mean and standard deviation as 4 ft. and 0.6 ft.
1 answer
662 views
(9x+5)(x-3)=0
1 answer
404 views
if tanx+cotx=2 then the value of tan^5x + cot^10x is
1 answer
1,544 views
what are the related phases of revolutionary development until 1781 For the American Revolution and 1795 for the French
0 answers
1,006 views
what is black hole form?
2 answers
433 views
A bacteria culture starts with 260 bacteria and grows at a rate proportional to its size. After 4 hours there will be 1040
1 answer
1,865 views
If f(x)=5cos(2ln(x)), find f'(x).
My answer is (-5sinx)(2lnx)+(5cosx)(1/x) I just did the product rule can you verify if this is
1 answer
450 views
what is reason for saturation current in reversed biased diodes
0 answers
322 views
An electric dipole has its dipole moment paligned with a uniform external electric field E(a)Is the equalibrium stable or
1 answer
499 views
An atom is normally electrically neutral .Why then should an alpha particle be deflected by the atom under any circumstances?
2 answers
1,716 views
If an electron is localized in space ,its momentum becoms uncertain.If it is localized in time ,its energy becomes
1 answer
523 views
which will be more effective in knocking a bear down
(a)A RUBER BULLET OR (b)a lead bullet of the same momentum.
0 answers
1,039 views
what is the effect on the speed of a fighter plane chasing another when it opens fire?what happens to the speed of pursuid plan
3 answers
2,580 views
In thrill machine rides at amusement parks ,there can be an acceleration of 3g or more .But without head rests ,acceleration
6 answers
5,029 views
5 m : 140 cm = ????????
ratio and proportion 5 m is 500cm. Does that help?
0 answers
438 views
Answers (15)
t=18.4 s later x=740 m H=469 m v*2=u*2+2gh....at hmax , Vy =0 0=u*2+2gh usina=radical 20(469)=96.8 horizontal componet of velocity ucosa=x/t=740/18.4=40.21
thanks a
nope
its wrong
how can find mass in gram
hi, how did you go from 36=x(12-2x)(8-2x) to 9=x(6-x)(4-x)?
you tell me
15000
i dont know i have the same ques\tion
d is the mid point so according to theorm 8.9 we can solve it
1425m
37,53
i dntknw
i have the same question but you could you give the equation because i am confused
i need help with chapter 4
