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Stella [2.4K]
3 years ago
14

Who invented the word "book?"

Mathematics
1 answer:
jarptica [38.1K]3 years ago
7 0
Wow!!thats a word from the old english that made it
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At what x value does the function given below have a hole?<br><br> f(x)=x+3/x2−9
S_A_V [24]

Answer:

hole at x=-3

Step-by-step explanation:

The hole is the discontinuity that exists after the fraction reduces. (Still doesn't exist for original of course)

The discontinuities for this expression is when the bottom is 0. x^2-9=0 when x=3 or x=-3 since squaring either and then subtracting 9 would lead to 0.

So anyways we have (x+3)/(x^2-9)

= (x+3)/((x-3)(x+3))

Now this equals 1/(x-3) with a hole at x=-3 since the x+3 factor was "cancelled" from the denominator.

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3 years ago
Integer equivalent to 9^3/2
Alex73 [517]
364.5 because 9 to the third power is 729. 729 divided by 2 is 364.5

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Twice a number plus 6 times the number is -72.
katen-ka-za [31]

Answer:

The number is -9

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bazaltina [42]

Answer:

Letter A.

Step-by-step explanation:

0 is not divisible, so the last the last two alternatives are impossible.

The second one doesn't work, so I'd stick to letter A.

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Angel is picking blackberries in her backyard for a delicious pie. She can pick 9 blackberries in 2 minutes. If she needs 95 bla
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