W(n)=n^2-3n find w(4)
1 answer:
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Answer:
The common difference (or common ratio) = 0.75
Step-by-step explanation:
i) let the first term be = 80
ii) let the second term be =
. r = 80 × r = 60 ∴ r =
= 0.75
iii) let the third term be =
. r = 60 × r = 45 ∴ r =
= 0.75
iv) let the fourth term be =
. r = 45 × r = 33.75 ∴ r =
= 0.75
Therefore we can see that the series of numbers are part of a geometric progression and the first term is 80 and the common ratio = 0.75.
Answer: "<span>
in²</span> " . {that is: " (2/15) in² . "}.
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Explanation:
___________________________________________
The formula/equation for the Area of a rectangle:
A = L * w ;
in which: L = <span>⅖ in ;
</span> w = ⅓ in;
___________________________
Find the area; in a "fraction value" ;
_______________________________
A = L * w ;
→ Substitute the given values for "L" (length) and "w" (width);
and solve for "A" (area) in the "form of a fraction:
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A = (2/15) in * (1/3) in ;
→ A = [(2*1) / (5*3)] * in * in ;
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→ Answer: The area is: " in² " .
{that is, "(2/15) in² " .}.
______________________________________________________
___________________________________________
Explanation:
___________________________________________
The formula/equation for the Area of a rectangle:
A = L * w ;
in which: L = <span>⅖ in ;
</span> w = ⅓ in;
___________________________
Find the area; in a "fraction value" ;
_______________________________
A = L * w ;
→ Substitute the given values for "L" (length) and "w" (width);
and solve for "A" (area) in the "form of a fraction:
__________________________________________________
A = (2/15) in * (1/3) in ;
→ A = [(2*1) / (5*3)] * in * in ;
______________________________________________________
→ Answer: The area is: "
{that is, "(2/15) in² " .}.
______________________________________________________