# Posts by Simran

Total # Posts: 60

Maths
A man travels 3/8 of his journey by train 3/5 of it by bus and walks the rest of the distance.If he walks 2 km. How much distance did he travel by bus.

math- Trigonometry
If cos degree equals to 0.8641  What is Sin degree?  I have no idea how to find this.  Please help me. I got help from two people, but I'm not getting the answer and how they got the numbers either. Someone says: cos^2+sin^2=1  sinDegree=sqrt(1-cos^...

math- Trigonometry
If cos degree equals to 0.8641 What is Sin degree? I have no idea how to find this. Please help me. Thank you

math
SA= ?rs+?r^2 417?= ?3s+?3^2 1310.0044137=?3s+?3^2 Divide by ? 417 divide by ? 132.7352225= 3s+3^2 Now I don't know what to do

math
If a cone has a Surface Area of 417? and a diameter of 6 determine its slant height.

number magic(math)
Paper draw rectangle with perimeter 12cm. 1. How many rectangle could you draw?

physics
Give two examples to show how physics help in understanding the concept of evolution, biological systems of living organisms.

Maths
How many silver coins, 2cm in diameter and of thickness 2 mm, must be melted to form a showpiece in the form of a frustum of a cone having height 9 cm and radii of the outer circular ends as 5cm and 3cm?

Maths
Two persons are on opposite sides of a tower. They measure that the angle of elevation of the top of the tower are 30°and 45°respectively. If the height of the tower is 50metres, find the distance between the two persons.

physics
which law of chemical combination is illustrated by the fact that 168g Fe reacts with 72g H2o to form 232g Fe3O4 and8g H2

physics
A proton with charge mass ratio of 108 C/kg is moving in a circular orbit in a uniform magnetic field of 0.5T .Calculate the frequency of revolution.

math

math

math
solve by completing square method 16x^2-24x-13=0

What subsidies and welfare payments is the south african government providing and to whom ?

math vectors
If Vector a = (2, 2k), Vector b = (4, -k), are perpendicular, solve for k with solutions?

Math 10 aw
george is in a hot air balloon that is 125 metres high. the angle of elevation from a house below, to the balloon is 18 degrees. how far is george from the house

science
on the moon where g=1.62m/s2 would the pendulum clock on the moon run faster or slower

buisness statics
Mean yearly salary of employes of a company wasRs20,000.mean yearly sakaries of male and female employes were Rs 20,800 and 16,800.find out the percentage of male and female employed by the company??b

chemistry
Balance the following equation by partial equation method:- P4 + HNO3= H3PO4 + NO2 + H2O

Social Studies

Global history
How did the use of machines brings about a major change in the lives of people in great people?

Math
1/16x+1/4=1/2

science
in which direction are nearly all galaxies moving relative to earth

Math
What percent of runners completed the time trial between 52.0and 53.9 seconds?

maths
if n is any integer ,then in is (a) i,(b) 1,-1 (c) i,-i (d) 1,-1,i,-i

Math
Plz help me tmrw my test

Math
Plz help me Sanjay borrowed twice the money browed by alkesh at the same rate of intrest of 12% per anum for 4 years.if alkesh paid rs.72000 less than the intrest paid by sanjay,find the money borowed by them.

Math
Plz reply soon tmrw my test

Math
Plz help me On what sum will the C.I at 10% per anum for 3year compounded anually be rs331?

Math
Plz reply me as soon as bcz tmrw my test

Math
Plz help me to solve this Find the time in which an amount of rs.6250 amount to rs.6760 at 4% per annum,if the intrest is compounded anually.

Math
Bt its ans is 8year

Math
Plz help me to solve In how many years will the money deposited in a bank double itself,if the rate of intrest 12 1/2% per annum?

Math
Plz help me as soon as posible

Math
Plz give me solution The c.p of 13 chairs is the same as the s.p of 18 chairs.find the gain or loss %

Math
Thank you ..

Math
Plz help me to solve this question A dealer buys a sofa set for rs24000.at what price must he mark it so that after allowing a discount of 20%,he still makes a profit of 30%

Math
Thank you..

Math
Plz help me to solve this question The distance between two stations A & B is 230km.Two motorcyclistr start simultaneously from A&B in opposite directions and the distance between them after 3hours becomes 20km.if the speed of one motorcyclist is 10km,hr less than that of the ...

Maths
Plz help me

Maths
Can u tell me Bt its ans is 9 1/2%

Maths
This is math question plz tell how to solve it What percent is 95paise of rs10

Maths
Ok thanx

Maths
Can u tell me plz how is obtained 1/8

Maths
Plz give solution as soon as possible What number will be obtained on decreasing 240 by 25/2%

b.c.m school
A 5.0-kg object moves on a horizontal frictionless surface under the influence of a spring with force constant 10 3 N/m. The object is displaced 50 cm and given an initial velocity of 10 m/s back toward the equilibrium position. (a) What is the velocity of the motion? (b) How ...

maths
A Toy is in the form of a hemisphere surmounted by a right circular cone of the same base radius as that of the hemisphere .If the radius of base of the cone is 21 cm and its volume is 2/3 of the volume of hemisphere calculate the height of cine and surface area of the toy.

maths
hey I confused

Chemistry
When a mixture of 10 moles of SO2 and 15 moles of O2 was passed over a catalyst, 10 moles of SO3 was formed. how many moles of SO2 and O2 did not enter into combination?

maths
let f(x,y)=sqrt (1-x^2-y^2) where x^2+y^2 <1. (positive sqrt) a.) what is the graph of f in geometric terms? b.) find the equation of the tangent plane to the graph (surface) at a point (x,y) with x^2 +y^2 <1

V/CV OR VC/V PATTERN
this is so freakin hard

geometry
the answer can be 144 deg and 216 deg

Physics
A 0.097 kg cup falls from the kitchen shelf and shatters on the ceramic tile floor. Assume that the maximum kinetic energy obtained by the cup is 2.6 J and that air resistance is negligible. Calculate the cup's maximum speed

Chemistry
90 Th 221 ===> 89 Ac 221+ e+

Anatomy & Physiology
cerebellum

Science/ Biology 8
The question is: "If you shine a flashlight in a dark room and sprinkle talcum powder in front of the flashlight, what property of light does it show?"

french
essay on mon saison favori

math
7.5