4 years ago

Find measure of angle 2 ? In picture

1 answer:

3 0

21.5 degrees

Subtract 180 from 48.3 and then add it to 26.8. Take this value and subtract it from 180 and you will get a final answer of 21.5

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Simplify the expression 4p - 5(p+6)

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4p - 5 • (p + 6)

-p - 30 = -1 • (p + 30)

 -p - 30

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Please help me, i promise its worth it!!!

Rashid [163]

$\\ \sf\longmapsto 2(L+B)=55$

$\\ \sf\longmapsto 2(\dfrac{4}{3}x+x)=55$

$\\ \sf\longmapsto \dfrac{8}{3}x+2x=55$

$\\ \sf\longmapsto \dfrac{8x+6x}{3}=55$

$\\ \sf\longmapsto \dfrac{14x}{3}=55$

$\\ \sf\longmapsto 14x=165$

$\\ \sf\longmapsto x=11.78$

$\\ \sf\longmapsto x\approx 12$

Now

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There are 5 blades, equally spaced. So the angle between adjacent blades is 360° / 5 = 72°. So you can rotate the fan 72° and the blades will align again.

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3 years ago

Write the set builder notation {8}

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$\{8 \} = \{x : x = n, \: n \in \:N, \: \: 7 < n > 9 \: \}$

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In the equation f(x) = 3(x – h) 2+ k, what does (h,k) tell?

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(h,k) shows the coordintes of the turning point.

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