# Posts by Disha

Total # Posts: 29

Math
A Boy Of Height 1.5m Is Standing By 4.2m Away From The Foot Of A Post Of Height 6m.Find The Length Of His Shadow

Physics
A solid weighs 6.4 kg in air and 5.6 in water. Find the density of the solid

Science
Electron mass is less than proton mass so electron has greater acceleration

algebra
Solve the quadratic equation (a+b-2c)x² + (2a-b-c)x + (c+a-2b) =0 is

algebra
If p≠q and p² = 5p-3 and q² = 5q-3 the equation having roots as p/q and q/p is

calculus
i did it like this 5^2=25 + 5^1= 5 = 30 i guess i did it wrong

calculus
30 ahh i get it now thanks

calculus
so what would be the answer

calculus
A 24 meters B 30 C 40 D 42 E 44

calculus
if the distance covered by an object in time is given by s(t)=t^2+5t where s(t) is in metersand t is in seconds, what is the distance covered in the interveral between 1 second and 5 seconds?

calculus
do i plug 3 in for t?

calculus
the height in feet of a rocket from ground level is given by the function f(t)= -16t^2+160t. what is the instantaneous velocity of the rocket 3 seconds after it is launched? A 32 feet/sec B 64 feet/sec C 12 feet/sec D 10 feet/sec E 8 feet/sec

calculus
what is the slope of the tangent line passing through the point (2,3) of the graph of this function? f(x)=x^2+2x-5 A 1 B 2 C 3 D 4 E 6

calculus
what is the value of this limit lim ( (square root x^2+7) +5) x->-3 A 7 B 5 C 3 D 10 E 9

math calculus
***x^2-25

math calculus
what does this function show at x=5? f(x)=^2-25/x-5 A. removable discountinuity B. jump discountinuity C. infinite discountinuity D. Countinuity E. None of the above

calculus
***x^2-3x+1

calculus
What is the value of this limit? lim (x^2+4/^2-3x+1) x->4 A. 1 B. 4 C. 5 D -oo E. oo

Eng lang
how to write a formal letter to the editor of the newspaper about declining population of animals

algebra
subtract:7x^3-56x^2+105x

chemistry
if the k ion in the blood is 195 mg/ml then what is the molarity of blood

physics
what will be the distance time graph for a train standing at a station?

*I NEED THESE IN ALGEBRAIC EXPRESSIONS! 1.) The larger of two numbers is 1 less than 3 times the smaller. Their sum is 63. Find the numbers. 2.) Find two numbers whose sum is 92, if the first is 4 more than 7 times the second. 3.) The sum of two numbers is 172. The first is 8 ...

I NEED THESE IN ALGEBRAIC EXPRESSION!! The larger of two sums is 12 more than the smaller. Their sum is 84.Find the numbers. The sum of two numbers is 45. The first is 9 less than the second.Find the numbers. The second of two numbers is 5 more than twice the first. Their sum ...

math
4/3 = (2/3)/x Cross multiply: 4x = 6/3 = 2 4x = 2 x = 1/2

science
what causes our floods?

Science
this site doesnt help much

Science
What are floods?

math
the sum of a numbers is 15 and their difference is 4. form a pair of simultaneous equations and solve to find the numbers.

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