Answer:
21 Pounds =
9.5254398 Kilograms
(rounded to 8 digits)
Step-by-step explanation:
- <em>Pounds : The pound or pound-mass (abbreviations: lb, lbm, lbm, ℔[1]) is a unit of mass with several definitions. Nowadays, the most common is the international avoirdupois pound which is legally defined as exactly 0.45359237 kilograms. A pound is equal to 16 ounces. </em>
- <em>Kilograms : The kilogram (or kilogramme, SI symbol: kg), also known as the kilo, is the fundamental unit of mass in the International System of Units. Defined as being equal to the mass of the International Prototype Kilogram (IPK), that is almost exactly equal to the mass of one liter of water. The kilogram is the only SI base unit using an SI prefix ("kilo", symbol "k") as part of its name. The stability of kilogram is really important, for four of the seven fundamental units in the SI system are defined relative to it.</em>
Answer:
3).
4).
If it was by 10, k = 3 by 10
k = 30
5).
The answer will be t = 
average daily temperature, t, in degrees Fahrenheit for a city as a function of the month of the year.
<h3>What is temperature?</h3>
Temperature is the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch.
<h3>TO SOLVE:</h3>
suppose 
and 
degree
We know, cos(x+90°) = - sin(X)
⇒ 
degree = -
⇒ t =
Hence the answer will be t = average daily temperature, t, in degrees Fahrenheit for a city as a function of the month of the year.
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I’m thinking maybe 12 boys?
