3 years ago

What property is illustrated by each statement? 7+(4+4)=(7+4)+4

Mathematics

1 answer:

Scorpion4ik [409]3 years ago

5 0

B
This property dictates that you can add regardless of how the numbers are grouped.

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100 pts. & will give brainliest! answer asap

Zanzabum

First we need to differentiate y

$\\ \sf\Rrightarrow \dfrac{dy}{dx}$

$\\ \sf\Rrightarrow \dfrac{d}{dx}(-16x^2-110x+15)$

$\\ \sf\Rrightarrow -32x-110$

Now let it be 0

$\\ \sf\Rrightarrow -32x-110=0$

$\\ \sf\Rrightarrow -32x=110$

$\\ \sf\Rrightarrow x=|110/-32$

$\\ \sf\Rrightarrow x=3.44s$

Put it in y

$\\ \sf\Rrightarrow y=15-110(3.44)-16(3.44)^2$

$\\ \sf\Rrightarrow y=204.05ft$

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sashaice [31]

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Step-by-step explanation:

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3 years ago

Pedro has a square practice net in his backyard. The diagonal of the net is 6 feet. Find the length of one side of the net.

olasank [31]

Answer:

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Or, you can remember that in a square, if you cut it in half diagonally, you get a 45-45-90 triangle, so the sidenglth is diagonal/sqrt2

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