# Disha

Most popular questions and responses by Disha
1. ## algebra

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

2. ## 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?

3. ## physics

the radius of earth is 6000km what will be the weight of a 120 kg body if it is taken to a height of 2000km above the surface of earth?

4. ## math

one out of 43 high school ball players plays college ball.one out of 38 college players plays professional ball. what fraction of high school players plays professional ball?

5. ## 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

*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

7. ## 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

8. ## Physics

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

9. ## chemistry

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

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

11. ## physics

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

12. ## 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.

13. ## 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

14. ## Eng lang

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

15. ## science

what causes our floods?

16. ## algebra

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

17. ## 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

18. ## 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

19. ## 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

20. ## algebra

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

21. ## Science

What are floods?

1. ## math

Let put z=5 Z^2-6z+9=4√z^2-6z+6 25-30+9=4√25-30+6 4=4√1 4=4 Let put z=1 1-6+9=4√1-6+6 4=4 ..... Let put z=3+2√3 (3+2√3)^2-6(3+2√3)+9= 4√[(3+2√3)-6(3+2√3)+6]

posted on May 10, 2019
2. ## mathematics

not useful

posted on April 21, 2019
3. ## Mahts

100 metre

posted on February 12, 2018
4. ## Science

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

posted on June 7, 2016
5. ## calculus

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

posted on November 27, 2012
6. ## calculus

do i plug 3 in for t?

posted on November 27, 2012
7. ## calculus

30 ahh i get it now thanks

posted on November 26, 2012
8. ## calculus

so what would be the answer

posted on November 26, 2012
9. ## calculus

A 24 meters B 30 C 40 D 42 E 44

posted on November 26, 2012
10. ## math calculus

***x^2-25

posted on November 26, 2012
11. ## calculus

***x^2-3x+1

posted on November 26, 2012
12. ## math

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

posted on November 8, 2010
13. ## Science

this site doesnt help much

posted on May 2, 2010