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Sloan [31]
3 years ago
6

Solve: 90 is greater than or equal to -9(w+3)

Mathematics
1 answer:
charle [14.2K]3 years ago
8 0
I just solved this

another way
distributive propery
a(b+c)=ab+ac

90<u>></u>-9(w+3)
distribute -9
-9(w+3)=-9w-27
now we have

90<u>></u>-9w-27
add 27 to both sides
90+27<u>></u>-9w+27-27
117<u>></u>-9w
divide both sides by -9 and don't forget to flip relation symbol
-13<u><</u>w
w<u>></u>-13

any number from -13 and up is ossible
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The quadratic equation is
NemiM [27]

Answer:

(2,-9)

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x - 5 = 0

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x = 5

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Plot the midpoint of the two values.

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Now the vertex is

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