3 years ago

Find the percent of increase from 8 feet to 10 feet. Round the percent to the nearest tenth if necessary.

Mathematics

1 answer:

Misha Larkins [42]3 years ago

5 0

Answer:

20%

Step-by-step explanation:

10-8=2

If 10 is equal to 100%

So, 2 is 20%

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Alenkinab [10]

x =14

Answer:

$m\angle ABC = 51°$

Step-by-step explanation:

11. By inscribed angle theorem:

$83°=\frac{1}{2} \times (9x+40)°\\\\83°\times 2 = (9x+40)°\\166°= (9x+40)°\\166 = 9x + 40\\166 - 40 = 9x\\126 = 9x\\\\x = \frac{126}{9}\\\\\huge \red {\boxed {x = 14}}$

12. Again by inscribed angle theorem:

$(5x+11)°=\frac{1}{2} \times (16x-26)°\\\\2\times (5x+11)°= (16x-26)°\\(10x+22)°= (16x-26)°\\10x + 22 = 16x - 26\\22+26 = 16x - 10x\\48= 6x\\\\x = \frac{48}{6}\\\\\huge \purple{\boxed {x = 8}}\\m\angle ABC = (5x+11)°\\m\angle ABC = (5\times 8+11)°\\m\angle ABC = (40+11)°\\\huge \orange{\boxed {m\angle ABC = 51°}} \\$

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3 years ago

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yan [13]

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Step-by-step explanation:

The greatest common factor you can factor out of both monomials is 4.

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3 years ago

Read 2 more answers