To multiply these two binomials, we will use the F.O.I.L. method.
First-Outer-Inner-Last
First take the product of the first terms, which is 20x².
Then take the product of the outer terms which is 8x.
Then the product of the inner terms which is -20x.
Lastly take the product of the last terms which is -8.
Now let's combine like terms.
So our final answer is 20x^2 - 12x - 8.
The Answer is the last one, Linear, and the constant growth rate is $0.65 per minute.
The way to figure this out is to take $13.25 and subtract it by $6.75 which would make $6.50 which you'd want to divide by the number of minutes which is 10 so that'd make it growing $0.65 a minute.
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The length of the missing side of the triangle is 6 cm.
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Triangle</h3>
A triangle is a polygon with three sides and three angles. Types of triangles are isosceles, equilateral, obtuse and scalene triangle.
The perimeter of a triangle is the sum of all the sides of the triangle. Let x represent the missing length. Also, let the other sides be 3 cm and 10 m.
Hence:
Perimeter = x + 3 + 10
19 = x + 13
x = 6 cm
The length of the missing side of the triangle is 6 cm.
Find out more on Triangle at: brainly.com/question/23945265
Answer:
16cm2
Step-by-step explanation:
(1/2) × 8 ×4=16cm2
the answer is 16 cm squared