Ande

This page lists questions and answers that were posted by visitors named Ande.

Questions

The following questions were asked by visitors named Ande.

Find the indicated nth term of the geometric sequence. 7th term a5: -2/81 a9: -2/6561 I know the formula is an= a1 r ^ n-1 but I can't figure out how to apply it
14 years ago
The 5th,9th and 16th terms of a linear sequence A.P are consecutive terms of an exponential sequence.Find the common difference of the linear sequence in terms of the first term.
7 years ago
A student eats a dinner containing 8.0 X 10^6 Joules of energy. He wishes to do an equivalent amount of work in a nearby gym by lifting 60 Kg object. How many times must he raise the object to expand this much energy? Assume that he raises it a distance o...
5 years ago
An iron rod is 1.58 metre long at 0 degree Celsius, what must be the length of a brass rod at 0 degree Celsius if the difference between the lengths of the two rods is to remain the same at all temperatures. Linear expansivity of iron = 1.2X10^-5 K^-1 Lin...
5 years ago
The density of mercury is 1.36 X 10^4 Kg/m^3 at 0 degree Celsius. Calculate its value at 100 degree Celsius and at 22 degree Celsius. Take cubic expansivity of mercury as equal to 180 X 10^-6 K.
5 years ago
A glass bottle full of mercury has a mass of 50g. On being heated through 35 degree Celsius, 2.43g of mercury are expelled. Calculate the mass of mercury remaining in the bottle. Cubic expansivity of mercury is 1.8 X 10^-4/k. Linear expansivity of glass i...
5 years ago
A brass measuring tape is correct at 20 degree Celsius. The volume obtained when the length of a field is measured with the rule at 50 degree Celsius appears to be 70.5m. What is the true length of the field? Linear expansivity of brass is = 1.8 X 10^-5/k
5 years ago
Taking the ordinate of 1, 1.5, 2, 2.5, 3. Calculate correct to 2 dp then approximate value of integral with upper boundary of 3 and lower boundary of 1 √x + 1dx/x
5 years ago
Explain how image is formed by a plane mirror
5 years ago
x and y are points on the earth's surface at opposite ends of a diameter through the centre of the Earth. (a) If the longitude of x is 19 degrees East, what is the longitude of y? (b) If the latitude of x is 52 degrees North, what is the latitude of y?
5 years ago
Find the latitude and longitude of a place P which is 2560km/hr North of a place F (latitude 29.25 degrees North long 140 degrees South) take π=22/7, R = 6370 km.
5 years ago
Find the Foci and directrices of the following parabola of the pattern: y^2=8x at (2,4) y^2=24x at (5/2, 6) x^2=12y at (6, 3) x^2=5y at (5,5)
5 years ago
Find the foci and directrices of the following parabola: (a) y^2=8x (b) y^2=24x (c) x^2=12y (d) x^2=5y
5 years ago
Find the equation to the tangent of the following parabola at the given point. y^2=8x at (3/2, 6) x^2=24y at (6, 3) y^2=24x at (3/2, 6) x^2= 5y at (5, 5)
5 years ago

Answers

The following answers were posted by visitors named Ande.