# Posts by manisha

Total # Posts: 37

**math**

The rate of increase of bacteria in a culture is proportional to the number of bacteria present .if the original number of bacteria double in the two hours, in how many hours will it be five times?

**science**

define protozoans

**why do we fall ill- science**

what ae the fators responsible for reduving immunity

**science- sound class 9th**

what is relation between frequency and time period

**science- sound class 9th**

aditi clapped her hands near a cliff and heard the echo after 4 seconds. what is the distance of cliff from her if the speed of sound is taken as 346ms-1

**English**

D. are; seem.

**Algebra**

Well it's a algebra statement . What is the equation ?

**Algebra**

Suppose you but 5/8 of a hard of fabric for 2.50. What is the price of the fabric per hard?

**maths**

how does the kinetic energy of an object varies on increasing its velocity by 10% ?

**maths**

if the 8th term of an AP is 37 and the 5th term is 15 more than the 12th term. find the AP. hence find the sum of the first 15 terms of the AP.

**kmv college**

Purchased new jewelry worth $2,000 for home using the credit card wht is the journal entry??

**oc**

1 what the importance of public sector ? 2 what is the private sector importance ? 3 conclusion the public sector ? 4 conclusion the private sector ?

**math**

4mLA=5mLB, find mLC

**maths**

find the lowest common multiple of 45 and 60

**maths**

a:b=c:d=3:5=?

**college physics**

Show that the motion of a particle in a central force field is always confined to a plane.

**Calculus**

well to differentiate or find the derivative you would use the "sum or difference rule" which would be derivative of first factor minus derivative of second factor and i think you would have to use the power rule too i hope you know the power rule if not then you ...

**Algebra 1 (HELP PLEASE!!)**

lily has 8 cups of milk. She uses 2 cups of milk for a recipe. What fraction of the milk is left?

**Algebra**

1st of all I learned this in my calculus class. Now to the problem now since you are going to cut squares (X)from a sheet of 33*33 inches. I am using capital 'X' instead of small the volume would be V = (33 - 2X)*(33 - 2X)* X where one (33 - 2X) is length the other is ...

**chemistry**

total mass 9.85 grms and total volume 0.65 cm ^3 . The jewlry contain only gold and silver which has densities 19.3 g/cm^3 amd 10.5 g/cm^3.calculate the % of mass of gold in jewellery

**maths**

each side of a square flower bed is 2cm and 8cm it is extended by diging strip of 30cm wide all around it,find the area of enlast and also increase in area flower bed.

**maths**

4m a rectangular sheet tin of size 100cm,80cm are cut 4 square side 10cm from each corners find area of remaining side.

**maths**

THE AREA OF 4 WALLS OF A HALL IS 3.20MSq the length and breabth of hall is 12.5m and 7.5m respectively.find the height of hall.

**maths**

a rectangular field is measured 290m by 219m.how long it will take for a girl to go to 2 times round the field.if she walks at the rate of 1.5m per sec.

**chemistry**

According to the following reaction, how many grams of water will be formed upon the complete reaction of 21.6 grams of oxygen gas with excess hydrogen sulfide? 2 H2S (g) + 3 O2 (g) = 2 H2O (l) + 2 SO2 (g)

**physics**

Two long parallel wires carry currents of 10 A in opposite directions. they are separated by 40 cm. what is the magnetic field in the plane of the wires that is 20 cm from one wire and 60 cm from the other?

**Chemistry**

magnesium carbonate consist of one atom of Mg,one atom of c,three atoms of O.SO weight of magnesium carbonate is 24 + 12 + (3*16) =24 +12+ 48 =84

**excretion**

out of these two choices (b)is the better answer.This is so because main aim for the release of sweat is to cool the body by the production of water on skin.Sweat is not released when body is cool and it has waste to excrete.But in case of lungs, it is the only source by which...

**chemistry**

Dipole means two ends having opposite charge.A dipole is usually formed in a molecule in which one of the atoms is highly electronegative.For example HCl Here Cl is highly electronegative which attracts the electrons present between H and Cl towards itself.As a result a ...

**science**

Chromosome is always a chromosome through out mitosis.chromosome and chromatids are two different things.Each chromosome is made of two strands and these strands are called chromatid.Chromatids of same chromosome are called sister chromatids and they are joined at a point ...

**science**

Four haploid cells called gametes

**home economics**

list the 6 nutrients and give examples of foods they are contained in. what is a balanced meal? Give an example of a balanced meal. list 3 rules to follow when packing meals. define the term deficiency disease and give 5 examlles. what are the functions of the following:...

**home economics**

list 3 important rules to follow when in the food laboratory to PREVENT safety hazards. what is energy balance? the 3 words variety, moderation ,balance are used to help you balance tour diet.Explain what each means.

**home economics**

what is a packed meal?

**6th Grade Social Studies**

How often are general elections held in Trinidad and Tobago?

**9th grade**

whatis 1=1

**humanities**

what are the human and physical features of niagra falls http://en.wikipedia.org/wiki/Niagara_Falls Other than the fact that Ontario, Canada, is on one side of the falls and New York, USA, is on the other, I can't think of any "human features" of the falls. ...

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