mstrish71oteauw
17.02.2021 •
Mathematics
A circle with radius of 2 cm sits inside a circle with radius of 4 cm.
What is the area of the shaded region?
Round your final answer to the nearest hundredth.
2 cm
4 cm
Solved
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Ответ:
I just multiplied the both radius by each other. And that's 2cm × 4cm= 8cm
Ответ:
(3x + 5)(3x + 3)
Step-by-step explanation:
x+9x²+23x+ 15 = 9x²+24x+ 15 =9x²+24x+ 16 - 1
= (3x + 4)² - 1
= (3x + 4 + 1)(3x + 4 - 1)
=(3x + 5)(3x + 3)