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4 years ago

(a) Write 8.65% as a decimal.

Mathematics

1 answer:

Artist 52 [7]4 years ago

6 0

Answer:

Step-by-step explanation:

A-you move the decimal once to the left

B-Move the decimal 3 times to the right

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What is necessary for sound to travel from a radio to your ears

Alex73 [517]

Answer:

Any solid or gas, the sound waves move through each of these mediums by vibrating the molecules in the matter.

Step-by-step explanation:

Hope it helps :)

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3 years ago

umka2103 [35]

Triangles are similar meaning their angles are identical and sides may vary.
180deg in any triangle
180-35-95= L and A

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3 years ago

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Jayden and Sheridan both tried to find the missing side of the right triangle. A right triangle is shown. One leg is labeled as

stellarik [79]

Answer:

Sheridan's Work is correct

Step-by-step explanation:

we know that

The lengths side of a right triangle must satisfy the Pythagoras Theorem

$c^{2}=a^{2}+b^{2}$

where

a and b are the legs

c is the hypotenuse (the greater side)

In this problem

Let

$a=7\ cm\\c=13\ cm$

substitute

$13^{2}=7^{2}+b^{2}$

Solve for b

$169=49+b^{2}$

$b^{2}=169-49$

$b^{2}=120$

$b=\sqrt{120}\ cm$

$b=10.95\ cm$

we have that

<em>Jayden's Work</em>

$a^{2}+b^{2}=c^{2}$

$a=7\ cm\\b=13\ cm$

substitute and solve for c

$7^{2}+13^{2}=c^{2}$

$49+169=c^{2}$

$218=c^{2}$

$c=\sqrt{218}\ cm$

$c=14.76\ cm$

Jayden's Work is incorrect, because the missing side is not the hypotenuse of the right triangle

<em>Sheridan's Work</em>

$a^{2}+b^{2}=c^{2}$

$a=7\ cm\\c=13\ cm$

substitute

$7^{2}+b^{2}=13^{2}$

Solve for b

$49+b^{2}=169$

$b^{2}=169-49$

$b^{2}=120$

$b=\sqrt{120}\ cm$

$b=10.95\ cm$

therefore

Sheridan's Work is correct

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3 years ago

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What is longer 180 seconds or 3 minutes

Neporo4naja [7]

They are both the same. There are 60 seconds in one minute, so 60*3 is 180. Since 180=180, they are equal.

:)

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3 years ago

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Identify angle as supplementary or complementary or neither

Kay [80]

Complementary I’m sure but I could be wrong

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3 years ago