BigGirlsTheBest
27.06.2019 •
Mathematics
What is the image of point (9, -9) for mapping (x, y) , (x + 2, y + 2).
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Ответ:
(11 , -7)
Step-by-step explanation:
Note that x = 9, y = -9. Plug in the corresponding numbers to the corresponding variables.
(x + 2, y + 2)
(9 + 2, -9 + 2)
Simplify.
(11, -7)
(11 , -7) is your image point.
~
Ответ:
81cm3 / 20 = 4.05 cm3 per cone
V cone = πr^2 (h/3)
So then 4.05 = π(1.25)^2 (h/3)
Then h/3 = .825 and then
h = 2.475 cm