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kari74 [83]
3 years ago
10

Biana uses an angle measuring device on a 3-foot tripod to find the height, h, of a weather balloon above ground level, as shown

in this diagram. The balloon is at a 40o angle of elevation. A radio signal from the balloon tells Bianca that the distance between the tripod and the balloon is 25,000 feet. Find the height, h, of the balloon above ground level?
Mathematics
1 answer:
Alexxx [7]3 years ago
3 0
It would be 25003 I think? im sorry if its wrong

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Answer    

Find out the what fraction of the sandcastle did they build together .

To prove

Let us assume that the fraction of the sandcastle  they build together be x .

As given

Beatrice\ built\ about\ \frac{1}{3}\ of\ a\ sandcastle.

Linda\ built\ \frac{4}{7}\ of\ the\ same\ castle.

Than the equation becomes

x = \frac{1}{3} +\frac{4}{7}

L.C .M of (3,7) = 21

solving

x = \frac{7 + 3\times4}{21}

x = \frac{19}{21}

Therefore the fraction of the sandcastle did they build together be

x = \frac{19}{21}

Hence proved



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