Thursday
April 17, 2014

Posts by Riya


Total # Posts: 30

MATHS - AREA
The wall around a playground is 410m. If one wall along the length is 80m long, what is the length of the wall along the breadth? What is the area of the playground?

MATHS - HCF
Find the least number when divide by 25, 45, 60 leaves reminder 20. 2) Find the least number which when divided by 18, 12, 24 leaves a reminder of 16, 10, 22 respectively. Can U help me to find the answer.

maths - hcf
1) Find the least number when divide by 25, 45, 60 leaves reminder 20. 2) Find the least number which when divided by 18, 12, 24 leaves a reminder of 16, 10, 22 respectively. Can U help me to find the answer.

maths - HCF
Excellent. Thanks

maths - HCF
The product of HCF and LCM of two numbers is 119. Find the two numbers if one of the numbers is not 1. Please help me to solve this.

grammar - tense
I will at the airport. I will be a the airport. which statement is correct for simple future. Please explain the fact behind it.

chemistry
A commercially available sample of sulphuric acid is 15% H2SO4 by mass (density=1.10g/ml) Calculate the molarity ,normality and molality.

chemistry
for an aqueous solution having Calcl2 (2molar) and Mgcl2 (5molal) and specified gravity of solution is 1.145 calculate molality of chloride ion and molality if chloride ion.

physics to Drwls
a)(a) What is the spring constant of the spring? 51.3 N/m (b) Luke now pulls the brick 5.1 cm from the equilibrium position to watch it oscillate. What is the maximum speed of the brick? .35 m/s So would you subtract 2.55 cm from 5.1 cm? To get how much was stretched?

physics
Luke is trying to catch a pesky animal that keeps eating vegetables from his garden. He is building a trap and needs to use a spring to close the door to his trap. He has a spring in his garage and he wants to determine the spring constant of the spring. To do this, he hangs t...

Physics to Elena
Thank you, but I tried this answer its wrong and I don't know why!

Physics
So what is Vm m/s and Am m/s^2 Thank you!

Physics
The prong of a tuning fork moves back and forth when it is set into vibration. The distance the prong moves between its extreme positions is 2.28 mm. If the frequency of the tuning fork is 440.6 Hz, what are the maximum velocity and the maximum acceleration of the prong? Assum...

physics
Thank you so much; I really appreciate it!

physics
A spoked wheel with a radius of 44.0 cm and a mass of 1.90 kg is mounted horizontally on frictionless bearings. JiaJun puts his 0.550-kg guinea pig on the outer edge of the wheel. The guinea pig begins to run along the edge of the wheel with a speed of 18.0 cm/s with respect t...

MATH
The base and height of a triangle are in the ratio 5:3.if the area of the triangle is 67.5 square metre.find its base and height.

MATH
THE BASE AND HEIGHT OF A TRIANGLE ARE IN THE RATIO 5:3. IF THE AREA OF THE TRIANGLE IS 67.5 SQUARE METRE; FIND ITS BASE AND HEIGHT.

algebra
at least 17

chemistry
An aluminium can contains ferrous sulphate solution. It is observed that after a few days it develops holes in it. Explain the observation and write the chemical equation for it.

Maths
If a marble of radius 2.1 cm is put into a cylindrical cup of radius 6cm and height 8cm, then how much water flows out of it.?

chemistry
titration of phosphoric acid in presence of excess h2po4-, changes in equivalence point??

math
mujhe simple interest ka method samajh nahi ataa. question-a some of money double itself 10 year the number of year it wood trebles itself is.........

8th grade
Who was influenced negatively by the southern code of behaviour in the autobiography of miss jane pittman, and how?

SCIENCE
TAKE A BOWL OF WATER AND PLACE IT NEAR A SUNLIT WINDOW. PLACE A MIRROR IN WATER AND USE A WHITE CARD AS 0SCREEN POINT.ADJUST THE MIRROR TO AN ANGLE WHERE IT PROJECTS THE COLOURS OF LIGHT ON THE SCREEN. TELL ME YOUR OBSERVATION AND EXPLAIN HOW THIS PHENOMENON OCCURS.

science
what is sublimation?

sst
how i make a poster on social evil

pre-calculus-check over work
1). change to exponential form: log2^256=8; 2^8=256 log0.0001=-4; 10^-4=0.0001 2). change to logarithmic form: 5^3=125; log5^125=3 4^-3=1/64; log4^1/64=-3 3). solve the equation: 3^(x-2)=27^(x+1) 3^(x-2)=(3^3)^(x+1) 3^(x-2)=3^(3x+3) x-2=3x+3 -5=2x -5/2=x 2^(x^(2)+1)=4^(x+2) 2^...

chemistry
Thank you for your help.

chemistry
(1.3 atm)(29L)=(P2)(3.9) 9.66=P2

chemistry
A sample of gas occupies 29 L under a pressure of 1.3 atm. What would the resulting volume be if the pressure were increased to 3.9 atm if the temprature did not change?

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