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Novosadov [1.4K]
3 years ago
14

If three-quarters of the pizza provided 12 pieces on the table, how many pieces were in the pizza when it was full?

Mathematics
1 answer:
Anna71 [15]3 years ago
8 0
Take 12 and divide it by 3 to get the number of slices per quarter. Then multiply the answer you got by four. The answer is 16.
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Your friend claims that there is not enough information given to find the value of x.Is your friend correct?
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At the space center, Karen bought a model of a shuttle. She started working on the model the next day at 11:13 A.M. She worked u
goblinko [34]

Answer:

58 minutes.

Step-by-step explanation:

From the question, Karen worked on the model in two windows;

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2) 1.29 PM - 1.46 PM = 17 minutes.

Hence, the total amount of time Karen spent working on the Shuttle model is:

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I need to find all real values of x from this inequality x^2>2x-2 and also this question x^2>2x+2. I need the answer fast
sergeinik [125]

x^2\gt2x-2

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You are essentially asking at this point where is the quadratic function greater than 0. To get the interval find the roots. Between the roots the function is guaranteed to be LESS THAN zero. Everywhere else the function is greater than 0.

x^2-2x+2=0

Use Vieta's rule to get the roots,

(x-1)(x-1)=0

Both roots are the same so no value is less than 0 which means all values except at the point of root are strictly greater, the point of root is at x_{1,2}=1 which means the set for which the quadratic function is greater than 0 is \mathbb{R}-\{1\} "all real numbers except 1".

To convert this into interval notation use all numbers up to 1 but not including and all numbers after 1 but not including,

(-\infty,1)\cup(1,\infty)

Hope this helps :)

7 0
3 years ago
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