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Nady [450]
3 years ago
11

Complementary angles definition geometry

Mathematics
1 answer:
sesenic [268]3 years ago
6 0
Two angles that added together equal 90 degrees
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lutik1710 [3]

theoretical probability is a coin will land on heads 50% of the time

50% of 100 = 50

since it only landed on heads 38 times, this was less than the theoretical probability of 50

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3 years ago
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the following data values represent a population. what is the variance of the values? 17, 5, 11, 1, 11
Vladimir [108]
Variance = summation of (x - mean)^2 all divided by the number of dataset.
mean = (17 + 5 + 11 + 1 + 11)/5 = 9

Variance = [(17 - 9)^2 + (5 - 9)^2 + (11 - 9)^2 + (1 - 9)^2 + (11 - 9)^2]/5 = (8^2 + (-4)^2 + 2^2 + (-8)^2 + 2^2}/5 = (64 + 16 + 4 + 64 + 4)/5 = 152/5 = 30.4
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3 years ago
Travelling only through the crust, surface waves arrive after body waves. though they arrive later than body waves, surface wave
leva [86]
I believe the answer would be volcanic eruptions.
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3 years ago
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Which of the following graphs represents the equation below?: -9x – 3y = -8
Mamont248 [21]
It’s C! that’s the answer, hope it helps
7 0
2 years ago
Can someone solve this question
Fittoniya [83]
The equation will be
y =   - \frac{8}{7}  x   +  \frac{60}{7}



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