3 years ago

63.92 divided by 4.7

1 answer:

7 0

The answer would be 13.6

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Luda [366]

Answer:

B=23.19

Step-by-step explanation:

First, find the last side of the triangle using the Pythagorean theorem.

$a^{2} +b^{2} =c^{2} \\21^{2} +9^{2} =c^{2} \\441+81=c^{2} \\\sqrt[3]{58}=c$

Then, find the missing angle, lets name it B.

The angle B can be found using the inverse sine function.

B=arcsin(opp/hyp)

$B=arcsin(\frac{9}{\sqrt[3]{58} } )\\B=23.19$

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3 years ago

guapka [62]

Answer:

Step-by-step explanation:

90÷2= 45

90÷3=30

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3 years ago

VikaD [51]

Answer:

68-x

Step-by-step explanation:

71-x-3=71-3-x=68-x

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3 years ago

TiliK225 [7]

$2r\leq3r-8\\
r\geq8\\\Downarrow\\
\boxed{\{8,9,10\}}$

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3 years ago

MrRissso [65]

$3.25 is the other 1/4. So $3.25 x 4 is $13 (their total). They spent $9.75

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3 years ago