The center is at (0,0) so the equation will be like

x^2 + y^2 = r^2 where r = radius of the circle.

from the diagram you can see that r = 4

answer is x^2 + y^2 = 16

4 0

3 years ago

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One-half the sum of a number and four is three less than the quotient of five and the number

abruzzese [7]

One Half of a number +four =(is) three -(less) than quotien of five and a number : 1/2n+4=3−5/n Solve is : X=-1 +- 3i

3 0

3 years ago

Find K by evaluating Limit

Lubov Fominskaja [6]

Answer:

Step-by-step explanation:

$\lim_{x \to \infty}\frac{1-cos4x}{1-cos2x}= \lim_{x \to 0} \frac{(1-cos4x)'}{(1-cos2x)'}= \lim_{x \to 0}\frac{4sin4x}{2sin2x}= \lim_{x \to 0}\frac{2*2sin2xcos2x}{sin2x}\\ = \lim_{x \to 0}4cos2x\\ =4$

{L'Hospital's rule}

<em>I hope this helps you</em>

6 0

2 years ago

BRAINLIEST PLUS POINTS

saveliy_v [14]

37/40
bc (37+29+26+32+38+35+34+39)/8 = 35

3 0

3 years ago

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