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zhuklara [117]
3 years ago
8

HELP ME PLEASE!!! A Kite flying in the air has a 12 feet line attached to it. It's line is pulled and cast an 11 feet shadow. Fi

nd the height of the kite. If necessary round your answer to the nearest 10th

Mathematics
1 answer:
ZanzabumX [31]3 years ago
5 0

Step-by-step explanation:

By Pythagoras' theorem,

12^2 = 11^2 + height^2

height = ±√12^2 - 11^2 (rej -ve value since height > 0)

height = 16.279 (5sf) = 16.3 (nearest tenth place)

Topic: Pythagoras theorem

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

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Leviafan [203]

Answer:

332,193 years

Step-by-step explanation:

From the question above, we are to calculate the time in an half life question, hence, the formula is given as

t = In(Nt/No) ÷ -(In2/t½)

Where

t = time is takes for an substance to decay or reduce

Nt = Amount of sample after time = 2g

No = Initial amount of sample = 20g

t½ = Half life = 100,000 years

Hence,

t = In(2/20) ÷ (In 2/ 100,000)

t = 332192.80948874 years

Approximately = 332,193 years

7 0
3 years ago
At the rate of 15 per 6 oz. bar of chocolate, how much would a pound
tankabanditka [31]

Answer:

40

Step-by-step explanation:

We know there are 16 oz in a pound

We can use ratios

15             x

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6 oz       16 oz

Using cross products

15 * 16 = 6x

240 = 6x

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240/6 = 6x/6

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5 0
3 years ago
The price of a pair of shoes was reduced from $20 to $14
sdas [7]

Answer: D 30%

Step-by-step explanation:amount change/amount start x 100%

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3 0
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Answer:

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Step-by-step explanation:

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