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2 years ago

If 65xE=110 what is E

Mathematics

1 answer:

icang [17]2 years ago

4 0

Answer: 22/13

Step-by-step explanation:

65e = 110

Divide 63 on both sides anyou get 22/13

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2 years ago

Is the given point interior , exterior, or on the circle k (x+2)2 + (y-3)2 =18 P (8,4)

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One way would be to find the distance from the point to the center of the circle and compare it to the radius

for
$(x-h)^2+(y-k)^2=r^2$
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and the distance formula is
distance between $(x_1,y_1)$ and $(x_2,y_2)$ is
$D=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$

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D=distance form (8,4) to center

if r>D, then (8,4) is inside the circle
if r=D, then (8,4) is on the circle
if r<D, then (8,4) is outside the circle

so
$(x+2)^2+(y-3)^2=18$
$(x-(-2))^2+(y-3)^2=(\sqrt{18})^2$
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center is (-2,3)

find distance between (8,4) and (-2,3)

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$D=\sqrt{(8+2)^2+(1)^2}$
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$D=\sqrt{100+1}$
$D=\sqrt{101}$

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$D=\sqrt{101}$ ≈10.04

do r<D

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