3 years ago

Suppose you could choose 2 boxes of markers. Find all the possible pairs.

Mathematics

1 answer:

luda_lava [24]3 years ago

3 0

Its 15 markers, at least i would assume

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3 years ago

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

stellarik [79]

Answer:

sin(π/8) = (1/2)√(2-√2)

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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3 years ago

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25% of what number equals 100

tatiyna

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Step-by-step explanation:

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2 years ago

Geoffrey has 30 problems to do for math homework he finished 60 percent of them before play practice how many problems did Geoff

Vikentia [17]

Answer:

18 answers

Step-by-step explanation:

1) 30 of 60%

2)30*.6

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check:

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3 years ago

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At Pizza Pi, 68% of the pizzas made last week had extra cheese. If 17 pizzas had extra cheese, how many pizzas in all were made

olganol [36]

Answer:

50 Pizzas

Step-by-step explanation:

50 pizzas.

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