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Ipatiy [6.2K]
3 years ago
8

Find the area of a triangle with sides 13 meters, 12 meters, and 5 meters

Mathematics
1 answer:
pantera1 [17]3 years ago
8 0

Answer: the area is 390

Step-by-step explanation:

you multiply 13 by 12 by 5 which is 780 then divide by 2

which is 390

there fore the area is 390

.w.

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2 years ago
A jewelry store has 212.75 ounces of 14-carat gold in stock. (a) how many custom necklaces can be manufactured if each requires
Nonamiya [84]

Answer:

a. The number of custom necklaces that can be manufactured if each requires 2 7/8 ounces of gold is 74 necklaces.

b. The value of the gold in each necklace is $1761

Step-by-step explanation:

(a) Number of necklaces

27/8 ounces of gold=2.875

No of necklaces=212.75oz x 1 necklaces/2.875oz

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(b)Value of gold in each necklace

There are 2.875 oz of 14K gold in each necklace. Pure gold is 24K.

Mass of pure gold=2.875oz x 14k/24k

                              =1.677083oz

Pure 24K gold is worth $1050/oz.

Value of pure gold=1.677oz x 1050/1oz

                              = 1760.9 dollars

The value of the gold in each necklace is $1761

#SPJ4

Learn more on

brainly.com/question/12983156

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1 year ago
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?

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