# Posts by guru

Total # Posts: 22

maths in ggv 5standards
I am a composite number between 20 and 30.the digit in my ones place is four times the digit in my tens place

math
3?45-5/2?1/3+4?3

English
Error correction in we sentence "My friend house us big red and expensive"

Math
Try meditation.

Find the point of intersection of the lines 3x+2y=15and7x-3y=4

Math
The answer given above is wrong. The formula used is incorrect.

chm
Calculate the theoretical amounts of 0.1000 M NaOH titrant used to titrate 0.8 and 0.9 g KHP

Science
just multiply the concentration of Bx2=1.10Mx2L=2.2moles and then subtract the moles of A from calculated moles of B 5.00-2.2=2.8moles

Accounting
Step 1: Determine amount of dividends that preferred shareholders are entitled to: 5000*100*5% = 25,000 Step 2: Determine amount of earnings left over for common shareholders after the payment of preferred dividends: 105,000-25,000 = 80,000. Step 3: Use the EPS formula to ...

Chemistry
it depends on whether the reactant or product is solid or liquid. If it's solid you don't suppose to include in finding equilibrium concentration and the eq. will look like Kc=[B][C]

Maths
In a regular polygon,each interior angle doubles its corresponding exterior angle,find the number of side of the polygon?

Physical Science
a=v-u/t where a, is the acceleration,v the final velocity,u the initial velocity and t the time.=a=x ,v=15ms`,u=0 and t=10 therefore from a=u-v/t you have a=15-0/10=1.5ms`2

chemistry

math
12 pounds of A grade coffee and 8 pounds of B grade coffee.

Heat Transfer
A fin 30 cm long & 10mm diameters throughout is made of steel alloy of thermal conductivity 43 W/m-deg. the fin attached to a plane heated wall at 200 deg.C temp. extends into surroundings at 25 deg.C.& Unit surface conductance of 120W/m^2-deg. Workout the heat flow rate from ...

biology
1. what is the function of the menstrual cycle? 2. Trace the path of a sperm from the male body? 3. Examine the two small lungs found on either side of the heart? Describe their size and function?

math
The length of the fence of a trapezium-shaped field ABCD is 130m and side AB is perpendicular to each of the parallel sides AD and Bc.if BC=54m,CD=19m and AD=42m,find the area of the field.

finite math
Suppose a state lottery prize of \$2 million is to be paid in 20 payments of \$100,000 each at the end of each of the next 20 years. If money is worth 9%, compounded annually, what is the present value of the prize?

chemistry
C.0.31M

math
Kwan has modeled a number that is less than 999. His model has twice as many 100-blocks as 10-blocks. It has twice as many 10-blocks as 1-blocks. What is the number?

physic
T = time/oscillations = 36/10 = 3.6s f = 1/T = 1/3.6 = .278 Angular f = 2Pi/T = 2Pi/3.6 = 1.74 X (amplitude) = total distance/2 = (50cm - 3cm)/2 = 23.5 cm or .235 m T = (2PiX)/Vmax or Vmax = (2PiX)/T = (2Pi0.235)/3.6 = .410 m/s

science
Propose a method to find the specific heat of sodium which reacts with water Two methods to think about. Use a liquid with which Na doesn't react. OR, use a weighed amount of Na metal to react with water. Measure T of the water before addition of Na and after adding Na. ...