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Tems11 [23]
3 years ago
5

The output or possible values you could get as a result from an expression or equation.

Mathematics
1 answer:
Alex73 [517]3 years ago
4 0

Answer:

The Solution Set

Step-by-step explanation:

Despite missing some context, the output we could get as result of an expression/equation it is what we call a Solution set. A set which makes the initial statement of equation/expression true, therefore valid.

x^{2} -7x+12=0\\(x-3)(x-4)=0\\S=\{3,4\}

Therefore, the elements of the Solution set, 3 and 4 when plugged into the equation make the statement of the quadratic equation true.

(3)^{2}-7(3)+12=0\\-12+12=0\\0=0

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20×(5×(-16) ) = (20×5)×(-16)​
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Answer:

20×(5×(-16) = (20×5)×(-16)​

Step-by-step explanation:

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Evaluate 6²-7²+8²-9²+..+998²-999²​
Llana [10]

Answer:

-499,485.

Step-by-step explanation:

We can transform this to an arithmetic series by  working it out in pairs:

6^2 - 7^2 = (6-7)(6+7) = -13

8^2 - 9^2 = (8-9)*8+9) = -17  

10^2 - 11^2 = -1 * 21 = -21 and so on

The common difference is -4.

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= 992/2 + 1 = 497.

Sum of n terms of an A.S:

= n/2 [2a1 + (n - 1)d  

Here a1 = -13, n = 497, d = -4:

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3 0
3 years ago
Choose all of the following scenarios below that contain biased samples.
Korvikt [17]

Answer:

1 and 3 are biased

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For number 3:

Paul is interested in finding the mean number of cloth shoppers In a mall and is only collecting data from one clothing store without considering other stores in the mall.

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Answer:

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Step-by-step explanation:

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