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3 years ago

14

An object is traveling around a circle with a radius of 10m. If in 15 seconds a central angle of 3 radians is swept out what is

the linear speed

1 answer:

MrRa [10]3 years ago

6 0

I'm not sure what you asking but my best guess would be 7radians

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A number, one-fifth of that number, and one-sixth of that number are added. the result is 82. what is the original number?

rusak2 [61]

X + .2x + .(1/6) x = 82
x = 60

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3 years ago

After John worked at a job for 10 years, his salary doubled. If he started at $x, hls salary after 10 years is

Sholpan [36]

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$2x

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x × 2 = 2x

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3 years ago

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2 years ago

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3 years ago

If f(x) = kx^3+ x^2 − kx + 2, find a number k such that the graph of f contains the point (k, -10)

Elina [12.6K]

If we write $k$ where we see $x$ in the equation and set the result equal to $-10$ , we get the result.

$f(k)=k(k)^3+k^2-k(k)+2$
$=k^4+k^2-k^2+2$
$=k^4+2=-10$
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$k_{1}=\sqrt[4]{3}(-1-i)$
$k_{2}=\sqrt[4]{3}(-1+i)$
$k_{3}=\sqrt[4]{3}(1-i)$
$k_{4}=\sqrt[4]{3}(1+i)$

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11 months ago