Comment
You are going to have to learn something about f(2)
Step One
f(1) = 160
f(1 + 1) = - 2f(1)
f(2) = -2 * 160
f(2) = -320
Step Two
The easiest way is just to keep on going. This is recursive which means you use the last answer to get the next one.
f(3) = -2f(2)
f(3) = -2 * -320
f(3) = 640 Two minus' make a plus.
Step Three
Find f(4)
f(4) = - 2 f(3)
f(4) = -2 * 640
f(4) = - 1280 <<<<<<<<< answer
Alternate Method
f(n) = 160 * (-2) ^ (n - 1)
f(4) = 160 * (-2)^(4 - 1)
f(4) = 160 * (-2)^3
f(4) = 160 * (- 8)
f(4) = -1280
Tell me what grade you in and maybe I.can message u on here if your in sixth grade or lower I can help
Answer:
Step-by-step explanation:
Angle 1 and Angle 2 are identified as vertical pairs
Answer:
Step-by-step explanation:
The picture of the question in the attached figure
we know that
The triangle ABD is an isosceles triangle
because
AB=BD
The segment BM is a perpendicular bisector segment AD
so
<em>In the right triangle ABM</em>
Applying the Pythagorean Theorem
we have
substitute
-----> equation A
<em>In the right triangle BMC</em>
Applying the Pythagorean Theorem
we have
substitute
----> equation B
equate equation A and equation B
solve for x
Simplify
<em>Find the length of DC</em>
substitute the given values
Answer:
Perimeter: 4+ mm
Area: mm^2
Step-by-step explanation:
Perimeter:
90/360 * 4 +2 + 2 = 4+
Area:
90/360 * 4 =