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Questions (10)
if x is an acute angle and tan x --3/4 evaluate : cos x sin x /cos. x + sin x
2 answers
472 views
Roberto has 150 roses, 120 lilies, and 60 hydrangeas to make bouquets. Each bouquet should have the same number of each type of
1 answer
736 views
Alex wants to decorate her bedroom wall with colored square paper. She wants all the squares to be the same size to make a
1 answer
563 views
a tractor of mass 5.0×10^3kg is used to tow a car of mass 2.5×10^3kg. The tractor moved with a speed of 3.0m/s just before the
1 answer
539 views
How far will a move in 4 seconds if uniformly accelerated from rest at the rate of 2ms-2?(ssce June 1993)
2 answers
542 views
Determine the interval on which The function is differentiable :
f(x) = 3x - 5
2 answers
1,559 views
A and B are vectors in the same plane. If A= 8i+6j. Find the vector B such that |A+B| = 14.14 units and A is perpendicular to B.
5 answers
456 views
Check whether the 3 vectors ar coplanar or not
A= t+j+k , B= i+3j+k , C= 2i+2j+2k
6 answers
620 views
Find analytically the sum or resultant of the following displacements:
A= 10m Northwest , B= 20m 30 degree north of east and C =
5 answers
3,168 views
A word made by writing the seven letters used to spell "EXAMPLE" in some order. Find how many different 'words' are possible in
1 answer
1,886 views
Answers (14)
Solution for the first 5 terms
Usman
I need the answer
thank you
H=Pt P=900w t=3min 3*60=180s H=900*180=162,000J H=ml 162,000 = m*2.26*10^6 m=162,000/2.26*10^6 =0.072kg
56
D is correct haahhahaha
I know that if f is differntiable on (a,infinity) and the one side limt f(x) -f(a) / x-a exists then its differntiable on [a,infinity) I found the interval of the function which appears to be (infinty,infinity) i.e R .. all real numbers But i really cant
Oh .. the rest of the steps are the same then ?
Sorru for the inconvenience... but I didnt get this concept |A+B|^2 = 14 ??!!
Thanks .. thats what i was doubtful about !!!
No it's A = t+j+k
a) 6Km because it moves at 6Km/hr b) 1/2 the distance i.e 6/2 = 3Km c) 1/3 of 6 Km = 2 Km
Ten sentence and undeerlinethe main and helping verb?
