# Praveen

Popular questions and responses by Praveen
1. ## Math

The roots of x^2 + 5x + 3 = 0 are p and q, and the roots of x^2 + bx + c = 0 are p^2 and q^2. Find b + c.

If a particle's motion is described as x = ut+1/2at^2, where x is position, t is time and u and a, are constants. Show that the acceleration of the particle is constant

A bus is moving with a velocity of 10m/s. A motor cyclist wishes to overtake the bus in 60 seconds. With what velocity the motor cyclist should chase the bus which is 1km ahead of him?

what does LLC means. I know the full form of it. I want to know your definition in simple english ( english is my 2nd language). I read the internet, i still don't understand it. This seems like a simple definition: "Business owners form a Limited

Which type of partners in limited partnership should participate in management? a) General partners only b)Limited partners only. c)Both general and limited partners. d)General partners only, unless there are no general partners, and in that case, limited

6. ## Physics

Determine lamda m Oments wavelength of the peak of the Planck distribution annd the corresponding frequency f at these temperature a) 3.00k. b)300k c)3000k

7. ## Physical Science

How much energy is released when 10 gm of steam at 100 degree Celsius turns to ice at 0 degree Celsius

8. ## Math

In an examination of 100 marks a person attempted 77 questions and got 42 correct answer and 35 wrong answer. If each correct answer carried 2 marks and wrong answer carried 0.50 marks. How much total marks the person scored?

9. ## arithmetic

A set of 7 numbers has a mean of 9. What additional number must be included in this set to create a new set with a mean that is 3 less than the mean of the original set?

10. ## math(urgent)

if x+ y is 25 more than x-y then x is what percent of y ?

11. ## math

if x y is 25 more than x-y then x is what percent of y ?

12. ## physics

A thin steel hoop of weight W and radius r starts from rest at A and rolls down along a circular cylindrical surface of radius a as shown in Fig. G. Determine the angle defining the position of point B where the hoop will begin to slip if the coefficient

13. ## Science

What will be the vapor pressure of Mono Chloro Benzene at 180 - 250 degree Celsius.

14. ## Physics

A capacitor of 4.5 MF, charged to 50v, is connected to another capacitor of = MF, charged to 100v. The total energy of the combination is

An aircraft has a take-off speed 180km/h and length 250m from the start just before take-off a serious snag is detected in the engine and the aircraft failed to take-off. There is a wall at a distance 'd' = 230m ahead of the take-off point. The pilot

The maximum speed of a bus is 72km/h, it accelerates uniformly at the rate of 1m/s^2 and retards uniformly at the rate of 4m/s^2. Find the least time in which it can do a journey of 1km ?

An aircraft has a take-off speed 180km/h and has length 250m from the start just before take-off a serious snag is detected in the engine and the aircraft failed to take-off. There is a wall at a distance 'd' = 230m ahead of the take-off point. The pilot

18. ## science

what is the immediate response of human body soon after a poisoning.what type of reactions take place?

1. ## Math

posted on June 20, 2020
2. ## Math

This is urgent, it is due tonight

posted on June 18, 2020
3. ## Math

I didn't get it, I need an answer quick. I tried plugging in those answers for b and c, it just got more complex. Please get an answer quick

posted on June 18, 2020
4. ## proverb

If you r seeking sadness you may have trouble with happiness meaning of this

posted on November 20, 2019
5. ## science

Is it correctly6

posted on November 14, 2017
6. ## chemistry

5/2 mole of h2o2 is required

posted on September 17, 2017

24.333333333

posted on November 13, 2016

Answer: \$9.94/pound Shop paid: 600 lbs X \$5.59 = \$3,354 Assuming 10% spoilage, shop really purchased only 540 lbs at a total cost of \$3,354 The cost to the shop including the spoilage = \$6.21/lb 60% markup = \$9.94/lb

posted on October 20, 2014
9. ## math

i think B is correct

posted on May 22, 2014
10. ## chemistry

heat gained by rod + heat lost by H2O = 0 [mass Fe x specific heat Fe x (Tfinal-Tinitial)] + [mass H2O x specific heat H2O x (Tfinal-Tinitial)] = 0 32.2*0.450*(58.6-22.3)+m*4.179*(58.6-63.9)=0 525.987=m*22.148 m=23.748 grams

posted on April 7, 2014
11. ## chemistry

heat gained by rod + heat lost by H2O = 0 [mass Fe x specific heat Fe x (Tfinal-Tinitial)] + [mass H2O x specific heat H2O x (Tfinal-Tinitial)] = 0 32.2*0.450*(58.4-22.8)+m*4.179*(58.4-63.7)=0 515.844=m*22.148 m=23.3 grams

posted on April 7, 2014