Deepak

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

Questions

The following questions were asked by visitors named Deepak.

Perimeter of a right angled trangle is 40 cm. Hypotenus is 17cm. Find the area. Urgent help required. Thanks in advance

Rectangular plate is 6m wide and 12m long two holes of 2diameter have been cut in place calculate the are of remaining plat?

Two sums of money are proportional to 8:9.n if the first is 20/- the other is

how many gram of oxygen in persent in 36 gram of water?

Find the average velocity of a projetile between the instants it crosses half the maximum heght.It is projected with a speed u at an angle ø(thita) with horizontal.

Does sodium nitrate turn the phenolphthalein indicator pink ?

Si unit of specific inductive capacity?

The weight of H2C2O4.2H2O required to prepare 500 ml of 0.2N solution is a)126g b)12.6g c)63g d)6.3g

If 4^x-4^x-1=24 find the value of x

A gardener has to lay a grass lawn, leaving space for an 80 cm wide concrete path along the inside edge of a square garden with an area of 72.25 meter square. what will be the area of the grass lawn?

For painting a triangular courtyard and a square courtyard, an equal amount of paint is required. if the edges of the triangular courtyard measure 16.5 m, 27.5 m and 22 m, find the length of the square courtyard, correct up to 2 decimal places.

1. A body is moving along a circular path of radius R. What will be the distance covered and the displacement of the body after half a revolution? 2. A person starts from his house and travels a circular distance of 15 km around the walled city before ret...

Distance 55 m time 10.30 am and distance 255 m time 10.32 am. Find the avg. Speed. Plz advice how total time is being calculated.

If a man travels 2 km towards east and returns back 1 km. What is the displacement?.

A boy walks 100 m north then walks 50 m east and then 80 m south. Calculate the net displacement.

If (9^n×3^2×(3^-n/2)-(27)^n)/(3^m×2^3)=1/27, Prove that m-n=1.

Plz help me plot on graph and also the solution. Q. When velocity is 20 m/s time is 0 and velocity 20 m/s time is 5 sec, velocity 10 m/sec time 7 sec, velocity 20 m/sec time 10 sec and velocity 0 time 15 sec. Calculate total distance showing each step and...

(√2÷5)^8÷(√2÷5)^1/3

From the below information Speed(m/sec) 2m at 0 sec, 4m at 2 sec, 6m at 3 sec, 8m at 4 sec, 10m at 5 sec. Calculate acceleration. Distance (I am getting answer as 27m but as per book it is 30m. Here as per table velocity is not uniform.) Plz confirm me th...

The shopkeeper has 75 3/4 kg of sugar and sold 1/4 of it, find the amount of sugar sold.

Identify factors in 12xyz - 6xy

Write coefficient of b in 9b^3 - a - 6ab

What are the possible factors of the term -6xy in the expression 12xyz - 6xy.

I need separately factor for the term -6xy 12xyz - 6xy. As per me factor 0f the term -6xy should be 1, 2, 3, 6, x & y. Please advice.

Identify the terms and factors in the expression 12xyz - 6xy

What is the valency of E from E2(O3).

Write the valency of E from EO3.

Find the loss percentage if Banrap incurred a loss of RS. 310 when he sold cosmetic for RS. 1550. (In book answer is given as 25%.)

A boy is moving on a straight road against a frictional force of 5 N. After travelling a distance of 1.5 km he forgot the correct path at a round about of radius 100 m. However, he moves on the circular path for one and half cycle and then he moves forwar...

Darisa is 10 years older than Adahun. 10 years from now, Darisa would be twice as old as Adahun was 10 years ago. How old would be after 12 years?

What is the de Broglie wavelength of an oxygen molecules having tha end speed,characteristics of the Maxwell distribution at 27 degree Celsius.

Answers

The following answers were posted by visitors named Deepak.

In this concept a=force/mass.if mass is doubled the a will be half according to first a.

The answer is ant=46. If you are interested in finding out the steps through which we arrived at this answer, please email me at testemailfordg2(at)gmail(dot)com

The length of the wire will be equal to the circumference of four semicircles that were made from it. So, if the diameter of one semicircle is 32 cm, then the radius is = 32/2 cm = 16 cm. Now, the circumference of a circle is 2*(pi)*(radius). Here we have...

Let x be the no. of questions I got right and y be the no. of question I got wrong. So, x+y=40........(1) & 4x-2y-21=25 4x-2y=46 2x-y=23........(2) comparing equations (1) and (2) 3x=63 x=21......(3) putting the value of equation (3) in equation (1) 21+y=...

the sum of two opposite angles of a parallelogram is 150.find the angles of the parallelogram.

ax2+bx+c=0 ; where a and b are constant.

47.61 m squared. Thank you.

13.47 m Thank you.

In this case what will be the direction of displacement.

Please advice how it is east when the man is travelling west. Thank you.

Plz advise for this whether you have used displacement= final position - initial position Displacement = 1 - 0

Is it southeast direction.

The question is to prove m-n=1. I myself feel there is typo in the denominator it should 3^3m and not 3^m rest everything is okay. I tried solving i got as m-3n=3.

Hi bob you are correct but i am not able to find all the area. Can you plz plot me the graph and also the area. Thank you.

I am not able to get the answer as 3125/4√2

Please help whether the question is wrong or correct.

Thank you Bob. Can you please explain while I tried finding distance through area of triangles I did not get the same answer. With the given table I got two triangles shapes. One is 2 to 4 with 2 sec and other one is from 4 to 10 with time from 2sec to 5...

Hi Bob can u plz reply

Thank you. In the book the gave answer as 75 1/2 i.e. they have obtained after subtracting 1/4 from 303/4.

Yeah I feel it should be 6ab^2

Actually my question was to find coefficient of b from 9b^3.

I need only for particular no -6 not for entire question.

Identify the terms and factors in the expression 12xyz - 6xy

Thanks but I have confusion regarding this how valency is 3. We cannot use octet rule as E is unknown. As per calculation it should be 6.

Thank you. My question was to find valency for E from EO3. As per the step valency of E is 6.

My question was to find valency for E from EO3. As per the step for finding valency of E is 6. Is it correct?

That means book answer is wrong. Even I got same as 16%.

Wrong answer is this

Ans is 8.6+or- 0.5