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gracerhodes4305
11.11.2020 •
Mathematics
Circle A has a diameter of approximately 20 inches and an area of 314 in2 (approximately 300 in2) Circle B has a diameter of approximately 60 inches and an area of 2826 in2 (approximately 2700 in2) Circle C has a diameter of approximately 40 inches. Find the area of Circle C and explain or show your reasoning.
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Ответ:
Step-by-step explanation:
Step one:
Given data
Circle A
diamteter= 20 in
Area= 314 in^2 approx. 300in^2
Circle B
diamteter= 60 in
Area= 2826in^2 approx. 2700in^2
Step two:
Circle C
diamteter= 40 in
radius= 20 in
The expression for A is given as
A=πr^2
A=3.142*20^2
A=3.142*400
A=1256.8
The area of circle C is 1256.8in^2
Ответ:
Hello!
Yes, (x + 1) is a factor of (3x³ + x² + 2x + 4).We can use synthetic division to verify that x + 1 is a factor:
Put a -1 outside of the bracket to use as our divisor since x + 1 has a root at -1:
Use synthetic division to proceed. Since the remainder is 0, (x + 1) is a perfect factor in this polynomial.