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jyothi
Questions (6)
How to Arrange multiplication and division symbol as you wish between number 1 to 9 to get a result of 1.
1 answer
424 views
You are sitting in a car going 20 m/s relative to the ground and decide to throw a ball backwards with a velocity of 4m/s
2 answers
479 views
A hockey puck of mass m = 120 g is attached to a string that passes through a hole in the center of a table, as shown in the
0 answers
896 views
The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 7.0 m, measured from its tip to
0 answers
608 views
Two objects, with masses m1 and m2, are originally a distance r apart. The gravitational force between them has a magnitude F.
0 answers
1,029 views
In driving the usual route to school, a student computes his average speed to be 26 km/h. In a hurry to get home that afternoon,
0 answers
703 views
Answers (7)
2.511
grown will not occur
In a quadrilateral sum of angels is equal to 360degrees given 2 of its angels are at 90 degrees and 100 degrees and two angels are equal. let the other angel be X degrees =>100+90+X+X= 360 => 190+2X=360 => 2X=360-190 => X= 170/2 => X=85
next three terms are 100,121,144 here the formula is 6^2,(6+1)^2,(6+2)^2,.............
if you add both the equations you will get an equation 2(x^2-11x=-24) solving this equation x=8 or 3 on solving this equation with values of x we get y=0
Given : x^2+y^2=26 x+y=6 squaring on both sides (x+y)^2=6^2 x^2+y^2+2xy=36 ==>26+2xy=36 ==>2xy=10 ==>xy=5 ==>x=5/y now (5/y)^2+y^2=26 ==>y^4-26y^2+25=0 on futher solving x=1 or 5 y= 5 or 1
oooo I see thank you so much, I just figured that the ratio of the car1 to the ball would equal the ratio of the car2 to the ball for some reason but this makes so much sense ! much appreciated!!!
