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galben [10]
4 years ago
12

What is the quadratic formula

Mathematics
1 answer:
snow_tiger [21]4 years ago
7 0
x = \frac{-b+ \sqrt{ b^{2}-4ac } }{2a} or \frac{-b- \sqrt{ b^{2}-4ac } }{2a}
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What is the sum of the series? ∑ k=1 4 3 k 2
AleksAgata [21]

I got this on the calculator.

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3 years ago
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If there is a 10% chance of sun tomorrow and a 20% chance of wind and no sun, what is the probability that it is windy, given th
professor190 [17]
Since there are two events happening simultaneously (windy and no sun), we can apply the concept of conditional probability here. P(A|B) = P(A∩B)/P(B) where it means that given B is happening, the probability that A is happening as well is the ratio of the chance for A and B to happen simultaneously over the chance of B to happen. For our case, this can be interpreted as P(A|B): it is the probability that it is windy (A) GIVEN that there is no sun (B) P(A∩B) : chance of wind and no sun P(B) : chance that there is no sun tomorrow The chance of P(A∩B) is already given as 20% or 0.20. Since there is 10% or 0.10 chance of sun, then chances of having no sun tomorrow is (1-0.10) = 0.90. Thus, we have P(A|B) = 0.2/0.9 ≈ 0.22 or 22%. So, answer is B: 22%<span>.</span>
5 0
3 years ago
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Can someone please help me with this? Thank youuu!
Lunna [17]

Answer:

1996

Step-by-step explanation:

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2008 - 13 = 1995 + 1 = 1996

3 0
3 years ago
6m/n-3 m=5 and n=8 helpp if u get it right i will put u on brainlist
Tcecarenko [31]

Answer:

The answer is 6

6(5)/8-3=

30/5=

=6

Step-by-step explanation:

4 0
3 years ago
Joy bought 2 bath towels from a linen store, but returned 3 hand towels. Kay bought 3 bath towels and 3 hand towels. Joy's bill
nevsk [136]

Answer:

Bath towels: $10 Hand towels: $5

Step-by-step explanation:

If Joy bought two bath towels, that are $10 each that's $20 total; but she returned 3 hand towels that cost $5 and $15 total. 20-15=5

3 0
4 years ago
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