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Inessa05 [86]
3 years ago
5

1

Mathematics
2 answers:
Crank3 years ago
7 0
E - 2.5 yeah ok rawr
myrzilka [38]3 years ago
5 0
E- 2.5
remember .5 means half
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Suppose a normal distribution has a mean of 62 and a standard deviation of
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62.5%

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Find cos B 52 b 65 a 39​
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hi

Step-by-step explanation:

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3 years ago
Guys!! anyone can help me solve this geometry problem?<br>What is the area of this triangle?
NeX [460]

Answer:

10657.5

Step-by-step explanation:

<h2>Long way that is unnecessarily long</h2>

We can start by finding the area of the larger triangle. Using the Pythagorean theorem, we can say that 251²-105²=the bottom side², and  251²-105²=51976, so the bottom side of the larger triangle is √51976 , or approximately 228. Then, the area of the larger triangle is √51976 * 105/2 = 11969 (approximately). Then, the area of the smallest triangle (the largest triangle - the one that we're trying to find the area of) is 105*(√51976-203)/2 = approximately 1312. Then, subtracting that from the total area, we get (√51976 * 105 -  105*(√51976-203))/2 = 105*203/2 = 10657.5

<h2>Short way</h2>

ALTERNATIVELY, upon further review, we can just see that the height is 105 and the base is 203, so we multiply those two and divide by 2, as is the formula for the area of a triangle, to get 10657.5

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