3 years ago

Which choices are equivalent to the fraction below? Check all that apply.

Mathematics

1 answer:

Serhud [2]3 years ago

5 0

Answer:The reduced form of 20/38 is 10/19

Step-by-step explanation:

20/38 is 10/19

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Use a half-angle identity to find the exact value of sinPi/8

stellarik [79]

Answer:

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Step-by-step explanation:

Using the half-angle formula ...

$\sin{\dfrac{\theta}{2}}=\sqrt{\dfrac{1-\cos{\theta}}{2}}$

We can let θ = π/4 and simplify the result as follows:

$\sin{\dfrac{\pi}{8}}=\sqrt{\dfrac{1-\cos{(\pi/4)}}{2}}=\sqrt{\dfrac{1-\dfrac{\sqrt{2}}{2}}{2}}=\sqrt{\dfrac{2-\sqrt{2}}{4}}\\\\=\boxed{\dfrac{1}{2}\sqrt{2-\sqrt{2}}}}$

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You have $40 in a savings account and you deposit an equal amount into your account each week. after 8 weeks the account holds $

Vadim26 [7]

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4 years ago

Solving the equation:-9h-6+ 12h +40=20

MakcuM [25]

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Just multiply both of them
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