zitterkoph
01.10.2019 •
Mathematics
Write the equation of the circle with center (0,0) and (-4,5) a point on the circle.
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Ответ:
x^2+y^2=41
Step-by-step explanation:
Because if you use the distance formula, you find that -4,5 is sqrt41 units away. plugging into the equation of a circle, you have the above
Ответ:
x = 25.7
Step-by-step explanation:
We know the adjacent side to the angle and the hypotenuse on a right triangle
cos theta = adj / hyp
cos 18 = x/27
27 cos 18 =x
25.67852594=x
Rounding to the nearest tenth
x = 25.7