Answer: (B) -625
<u>Step-by-step explanation:</u>
Given the sequence {-500, -100, -20, -4, -0.8, ... }, we know that that the first term (a) is -500 and the ratio (r) is
Input those values into the Sum formula:
On a piano, the formula to determine the frequency f of any pitch relative to the A above middle C (A440) is given by the expres
2 answers:
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Answer:
C
Step-by-step explanation:
The vertex form of the equation of a circle is where (h,k) is the center of the circle and r is the radius. This means that for the circle with center (-3,1) and radius 5 substitute into the vertex form these values. Substitute h = -3, k= 1, and r = 5. The equation becomes
. This simplifies to
. The solution is C.
Keeping in mind that x = rcos(θ) and y = rsin(θ).
we know the magnitude "r" of U and V, as well as their angle θ, so let's get them in standard position form.
we know the magnitude "r" of U and V, as well as their angle θ, so let's get them in standard position form.