Mathematics
Given that a=2 b=-6 c=3
Find (a+cb)/2
Ans=-8
What is the SI unit for resistance?
Ans= Ohm
Location of aveoli
Ans=Lungs
What is the Proton # of Magnesium?
Ans=12
Rock formed from heat and pressure
Ans=Metamorphic
Given that x=3 y=1 z=0
find (x+y) (x+z)/xy
Ans= 3
What is the SI unit for voltage and power?
Ans= Volt and Watt
What is respiration?
Ans= Process by which engery is released from food by oxidization.
Ans=(CH3coo)2Ca
The gradual movement of continents across the surface of the earth
Ans=Plate tectonics
Factorize 6x2-5x-4
Ans= (3x + 4) (2x - 1)
What are the fundamental quantities in KgmA/S3?
Ans= Mass, Length, Electric current and Time
List 5 parts of an animal cell
Ans=Golgi Vesicle, Cell membrane, micro-tubules, endoplasmic reticulum, ribosomes, nucleolus, chromosome, cytoplasm, glycogen granules, mitochondria
The product of acids and carbonates are
Ans= Salt+CO2+H2O
What is a Stalactite?
Ans=A stalactite is a type of formation that hangs from the ceiling of caves, hot springs, or manmade structures such as bridges and mines. Any material that is soluble, can be deposited as a colloid, or is in suspension, or is capable of being melted, may form a stalactite.
Rewrite 4x2-6x-2x+3=0
Ans= X=1/2 and X=3/2
Convert from 37C to F
Ans=98.6F
Why does the aorta have the thickest walls of all the vessels in the circulatory systems?
Ans= The aorta receives blood at the highest pressure from the contraction of the muscles of the left ventricle. as the blood enters the aorta, its thick muscular walls are stretched but do not burst.
How can concentrated acid be diluted?
Ans= by adding the acid slowly to distilled H2O
Give 2 ways how volcanoes are formed.
Ans= Colliding plates at a zone of convergence or subduction, As plate move apart in a zone of divergence, volcanic eruptions through fissures, At hot spots.
Express the function f(x)=-2x2-4x+3 in the form of a(x+h)2+K
Ans=a(x+h)2+K= -2(x-1)2-5
Calculate the Pressure under a girl's foot in Pascals if her mass is 33.6kg and the area of her shoe is 168cm2
Ans= 2.0*104 Pa
What is osmoregulation?
Ans= Osmoregulation is the maintenance of constant osmotic conditions in the body.
What kind of reaction is given off when an acid ionizes upon being added to H2O?
Ans= Exothermic
How is cyclonic rainfall formed?
Ans= By temporary low pressure systems called depressions or cyclones.