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3 years ago

Find the product. tell which strategy you used. show work

Mathematics

2 answers:

Natasha2012 [34]3 years ago

8 0

4,600 i took 8x25 and then 8x23 then divide by 8.

tino4ka555 [31]3 years ago

7 0

8•25•23=
25 eight times is 25 four times + 25 four more times
((25•4)+(25•4))•23= (100+100)•23= 200•23= 2•23•100= 46•100= 4,600

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The coefficients in the expression of (x+y)^4 are

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Answer:

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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3 years ago

Read 2 more answers

I need 33. B) find the exact time when the radius reaches 10 inches<br><br> 100 points! Plz help

stealth61 [152]

Step-by-step explanation:

You have found a function r(V(t)). We can see that this function is a one variable function. The variable is time.

So in this specific function we can call r(v(t)), r(t).

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$r(t) = \sqrt[3]{ \frac{3 \times (10 + 20t)}{4\pi} }$

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$r( \alpha ) = 10$

Which is the same as:

$\sqrt[3]{ \frac{3 \times (10 + 20 \alpha )}{4\pi} } = 10 \\ \frac{3 \times (10 + 20 \alpha )}{4\pi} = 1000 \\ (10 + 20 \alpha ) = \frac{4000\pi}{3} \\ 20 \alpha = \frac{(4000\pi - 30)}{3} \\ \alpha = \frac{(4000\pi - 30)}{60}$

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2 years ago