Determine the median value. 4.5, 7.5, 9, 9, 9.2, 9.3, 10, 10, 10.5, 13

Mathematics

2 answers:

melomori [17]3 years ago

5 0

Answer:9.25

Step-by-step explanation:

Keeps crossing out numbers on each side until you reach the middle. then you will reach9.2 and 9.3 you will add those and divide my 2 and the answer would be 9.25

Brrunno [24]3 years ago

3 0

9.25, right? Because there's 10 numbers, the two middle numbers are 9.3/9.2. so when you add them up you get 18.5, then you divide it by 2 because there were only 2 numbers added, and I got 9.25

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Avaluate 2^3x-1 for x=1

DENIUS [597]

Answer:

4 or 7 (Check the explanation to see which one your equation actually is.

Step-by-step explanation:

One thing I want to clarify for you, It's Evaluate, not Avaluate.

Okay so, we want to find the value of 2^3x-1 and we know x = 1.

You didn't really clarify if the expression was $2^{3x-1}$ or $2^{3x}-1$ , so I'll be doing both:

For $2^{3x-1}$ , we should plug in x to get $2^{3(1)-1}$ and then simplify to get $2^{2}$ .

2 to the power of 2 or $2^{2}$ is equal to 2 * 2 or 4.

The second one, $2^{3x}-1$ , we should plug in x to get $2^{3(1)}-1$ and then to become $2^{3}-1$ . 2 to the power of 3 or $2^{3}$ is 8 and then minus 1 is 7.