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shelbyp2003
21.07.2021 •
Mathematics
Identify the terminal point for a 45° angle in a unit circle.
O A (231)
O B.
O c.
V2 72
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Ответ:
D
Step-by-step explanation:
x- coordinate = cos45° =
= ![\frac{\sqrt{2} }{2}](/tpl/images/1397/2976/8b1f8.png)
y- coordinate = sin45° =
= ![\frac{\sqrt{2} }{2}](/tpl/images/1397/2976/8b1f8.png)
That is (
,
) → D
Ответ:
the new function gives the amount that will be in his account after x years.
step-by-step explanation:
given : tommy has $350 of his graduation gift money saved at home, and the amount is modeled by the function
he reads about a bank that has savings accounts that accrue interest according to the function
after combining the two functions, his new function is
to find : what this new function means?
solution :
the saving amount is given by
the interest rate is given by
so, if we multiply savings by the interest rate,
we can calculate the yearly increase in the savings.
therefore, the new function:
gives the amount that will be in his account after x years.