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AysviL [449]
3 years ago
13

Someone help me please:)

Mathematics
1 answer:
IRISSAK [1]3 years ago
6 0
Im not that good with these types of problems but i think it is b if my math is correct.
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lara31 [8.8K]
C is the correcr answer
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Find the median and mean of the data set below:<br> 21,0,36,30,13,32
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Median: 25.5

Mean: 22

Step-by-step explanation:

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In response to very high demand, a new bike has been marked up by 25% and is now selling for 210.00. how much was the bike befor
harina [27]
Call the price of the bike before mark up 'x', then we have:

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3 years ago
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Pleaseeeee help, I need this now...
hoa [83]

Answer:

7/16.  

Step-by-step explanation:

The first triangle has no shading.

The second triangle has 1/4 shaded.

The third has 3/9.

The fourth has 6/16.

Based on this pattern, we can assume that the number of small triangles in each triangle are going to be squared of numbers, since the first had 1, the second 4, the third 9, the fourth 16. So, the 8th triangle would have 8^2 small triangles, or 64 triangles in total.

The first triangle has no shaded triangles. The second has 1. The third has 3. The fourth has 6. If you study the pattern, the second triangle has 1 more than the previous, the third has 2 more, the fourth has three more. And so, the fifth triangle would have 6 + 4 = 10 triangles, the sixth would have 10 + 5 = 15 triangles, the seventh would have 15 + 6 = 21 triangles, and the eighth would have 21 + 7 = 28 shaded triangles.

So, the fraction of shaded triangles would be 28 / 64 = 14 / 32 = 7 / 16.

Hope this helps!

3 0
3 years ago
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