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• Waiting for answer How do you solve using the quadratic formula ##x^2-25=0##?

If you really must use the , we need to express our equation in the form: ##ax^2+bx+c=0## ##x^2-25=0## becomes ##(1)x^2 +(0)x +(-25) =0## The quadratic formula tells us the solution(s) is/are ##x=(-b+-sqrt(b^2-4ac))/(2a)## or, for our example ##x=(0 +-sqrt(0^2-4(1)(-25)))/(2(1))## ##x= +-sqrt(1...

• Waiting for answer How many liters of blood are in the human body? Is it differ...

The average human body have somewhere around 5 liters of blood. Many if not all males meet the 5 liter average than women who may only have around 4.7 liters due to their menstrual cycle.

• Waiting for answer What is physiology?

Physiology is the study of how organisms perform their vital function.

• Waiting for answer If my blood type is O positive, what kind of blood types did...

Your parents could be either A, B, or O, and at least one of them would have to be Rh positive. The one certainty is that neither of them could be AB. The genes that code for everyth...

• Waiting for answer 18 pounds of flour is $10. How much is one pound of flour? ##5/9$## Each pound will cost a value so that if the value was multiplied by ##18## it will give us ##10$## . We don't know the value of the pound so let's call it ##x##. ##18x=10$#...

• Waiting for answer Why is Mercury the closest planet to the sun?

Because it can survive from the very hot temperature of , other planets cannot stay longer if they're the closest. It is because Mercury is the fastest-moving planet in our solar sys...

• Waiting for answer What is a relative frequency table and what is it used for?

i will define this concept with the help of simple example (x )----frequency( f)------relative freq(1/f) 1---------------15--------------15/30 2--------------10--------------10/30 3---------------5--------------- 5/30 total ---------30-------------------1 it means each frequency is divided b...

• Waiting for answer What are the functional groups of carbohydrates, lipids, pro...

various groups list in explanation Carbohydrate---alcohol and (aldehyde or ketone) --------------carboxylic acid with long hydrocarbon chains (usually above 16 C long) ----------a...

• Waiting for answer Who are the most famous astronomers? What are their major d...

The most famous astronomers are Hipparchus (in ancient times), Galileo (in medieval times) and Hubble (of modern times). Hipparchus is believed to be the founding father of astronomy...

• Waiting for answer How does the tilt of Earth's axis affect how the sun's rays...

See explanation. At any instant , -facing hemisphere of the Earth has a zenith and a nadir. The latitude difference for these points is nearly ##180^o##. If there is no tilt, the...

• Waiting for answer What is the principle of superposition of waves?

of waves is what happens when two or more waves overlap. The result is wave . There are two types of interference: constructive and destructive. Constructive interference is when two crests or two troughs overlap. Destructive interference is when a crest is over a trough. In the diagram, th...

• Waiting for answer The mass of a proton is ##1.67*10^(-27)## kg. What is the ma...

The mass of a proton in picograms is ##1.67 * 10^(-12)"pg"##. This is a basic problem in which you must go from one order of magnitude, in your case kilograms, to another order of magnitude, picograms. As you can see, 1 kg contains ##10^(3)"g"##, and 1 g contains ##10^(12)"pg"## . In other wor...

• Waiting for answer The noble gas configuration for aluminum?

##[Ne]3s^(2)3p^(1)## Aluminium has 13 so the full will be: ##""_13Al## ##1s^(2)2s^(2)2p^(6)3s^(2)3p^(1)## A shorthand way of writing this is to use the preceding noble gas c...

• Waiting for answer What is a symbol in poetry?

something that represent something else.

• Waiting for answer How does one calculate ##K_M## and ##v_max## from the Linewe...

The equation for the Lineweaver-Burk plot is gotten by doing as the alternative name suggests... taking the reciprocal. GENERAL REACTION ##\mathbf(E + S stackrel(k_1)(rightleftharpoons) ES stackrel(k_2)(- ) E + P)## ##color(white)(aaaaaa)^(\mathbf(k_(-1)))## LINEWEAVER-BURK PLOTS WITHOUT INHIBI...

• Waiting for answer What is the difference between a discrete random variable an...

A discrete random variable has a finite number of possible values. A continuous random variable could have any value (usually within a certain range). A discrete random variable is typically an integer although it may be a rational fraction. As an example of a discrete random variable: the value o...

• Waiting for answer If ##cos(50)=a##, then how do you express ##tan(130)## in te...

You can use some identities to make this easier. ##cos(50^o) = cos(-50^o) = -cos(130^o)## due to ##cos(x) = cos(-x)## ##cos(x) = -cos(x+pi)## Thus, you have: ##tan(130^o) = (sin(130^o))/(cos(130^o)) = (-sin(130^o))/(-cos(130^o))## Now, as for determining ##-sin(130^o)##... Note that ##sin^2(13...

• Waiting for answer How do you simplify ##sqrt(5)sqrt(15)##?

You could also do either of the following: ##sqrt(5)sqrt(15) = sqrt(5)*sqrt(5*3)=sqrt(5)*sqrt(5)*sqrt(3)=sqrt(25)*sqrt(3)=5sqrt(3)## ##sqrt(5)sqrt(15) = sqrt(5)*sqrt(5)*sqrt(3)=sqrt(25)*sqrt(3)=5sqrt(3)##

• Waiting for answer What are the raw materials of photosynthesis?

They are water and carbon dioxide. These are two videos for the details of this process for both kids and adults

• Waiting for answer What is a fjord and how were they formed?

Scouring through glacial action. The action is probably repeating, over several cycles, given the length and depth of the structures.

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