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Ipatiy [6.2K]
3 years ago
8

What the exact decimal equivalent of 7/12

Mathematics
1 answer:
OleMash [197]3 years ago
7 0

Answer: The decimal is 0.583

Step-by-step explanation:

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For a certain online store, the distribution of number per hour is approximately normal with mean 1200 purchases and standard de
Advocard [28]

Answer: 16%

Step-by-step explanation:

When we have a normal distribution, the 100% of our sample will be placed in a "gaussian bell".

Where the middle of this bell coincides with the mean.

The mean, in this case, is 1200, and the standard deviation is 200.

In the image below you can see that between the points.

Mean + standard deviation and the end of the graph, we have:

13.5% + 2.35% + 0.15% = 16%

And particularly, if we want to know the percentage that exceed 1400, will be the same percentage above the mean plus the standard deviation.

mean = 1200

SD = 200

mean + standard deviation = 1200 + 200 = 1400.

Then the percentage that exceeds 1400 is equal to the percentage that we found above, then the correct option is C: 16%

5 0
3 years ago
Marilyn lives 3.5 block from the library. She leaves the library and walks 3.5
fenix001 [56]

Answer:

3.5 blocks.

Step-by-step explanation:

After walking 3.5 blocks back she is back at her starting point.

7 0
3 years ago
18(10) pls help- ucrfyfdvdvjbjfgnfbcdsxscjfgjnhbfxsaxhh Th
Elden [556K]
Uhhh 18 times 10 = 180
7 0
2 years ago
The rectangle below has an area of x^2-x-72 square meters and a length of x+8 meters.
melamori03 [73]

Answer:

width x-9 meters

Step-by-step explanation:

(x²-x-72)÷(x+8)

= x-9

6 0
2 years ago
Analyze Cecile’s work. Is it correct?
sashaice [31]

Answer: Yes, Cecile factored the polynomial correctly.

Step-by-step explanation:

She did factored the polynomial correctly, let's prove it:

The initial polinomial is 16x^6 - 9

and she has:

(4x^3 + 3)*(4x^3 - 3)

lets dstribute this:

4x^3*4x^3 + 4x^3*(-3) + 4x^3*(3) + 3*(-3)

16*x^(3 + 3) - 12x^3 + 12x^3 - 9

16x^6 - 9

So Cecile is correct.

9 0
3 years ago
Read 2 more answers
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