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Sav [38]
2 years ago
12

The weather forecaster says that the probability of rain on Saturday is 20% and the

Mathematics
1 answer:
Wewaii [24]2 years ago
4 0

Answer:

a) 25%

b) 80%

<em>Brainliest, please!</em>

<em />

Step-by-step explanation:

The probability of rain over the weekend is 25%.

20 + 30 = 50

50/2 = 25

Raining on Saturday is now 100%, and rain on Sunday is 60%.

100 + 60 = 160

160/2 = 80

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How many terms are in the arithmetic sequence shown below?<br>15, 7, -1, -9...,-225
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We know that

We can write an Arithmetic Sequence as a rule:

<span>an = a1 + d(n−1)</span>

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</span></span>an = a1 + d(n−1)
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the answer is
31

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