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nadezda [96]
3 years ago
11

(√2-3)(√2+3) what is this?

Mathematics
2 answers:
shutvik [7]3 years ago
7 0

Answer:

-1

Step-by-step explanation:

sqrt(2-3) x sqrt(2-3)= sqrt(-1)^2 = -1

Gekata [30.6K]3 years ago
6 0

Answer:

sqrt(2-3) x sqrt(2-3)= sqrt(-1)^2 = -1

maar rekenmachine zegt -7

Step-by-step explanation:

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Three fair dice are rolled, one red, one green and one blue. What is the probability that the upturned faces of the three dice a
r-ruslan [8.4K]

Answer:   \dfrac{5}{9}

Step-by-step explanation:

When we throw a die , Total outcomes =6

When we throw 3 dice , Total outcomes = 6 x 6 x 6 = 216 [by fundamental counting principle]

Given : Three fair dice are rolled, one red, one green and one blue.

Favorable outcomes : When the upturned faces of the three dice are all of different numbers i.e. no repetition of numbers allowed

By Permutations , the number of favorable outcomes = ^6P_3=\dfrac{6!}{(6-3)!}=\dfrac{6!}{3!}=6\times5\times4=120

The probability that the upturned faces of the three dice are all of different numbers = \dfrac{\text{Favorable outcomes}}{\text{Total outcomes}}

=\dfrac{120}{216}=\dfrac{5}{9}

The probability that the upturned faces of the three dice are all of different numbers  is \dfrac{5}{9} .

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3 years ago
What is the vertical asymptote for f(x)=2 over x-3
Simora [160]
The vertical asymptote will occur when the denominator is equal to zero, which makes f(x) approach ±oo and occurs about the vertical line x=3
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3 years ago
The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56s. At this rate, how many seconds
Tcecarenko [31]
We must first find the rate taken to cover 1500.0 m within 14 min and 34.56 sec. We can first convert the time into seconds and hence, we have time = 14(60) + 34.56 = 874.56 seconds. Recall that rate = distance/ time. And using the given for the men's world record, we have rate = 1500.0 m / 874.56s = 1.715 m/s Now, to find the time taken to cover 0.350 miles, we can first convert the distance to meters then use the equation given below. time = distance/rate where distance is equal to 0.350(1609) = 563.15 m. Hence, we have time = 563.15 / 1.715 = 328.37 s From this, we can see that it will takes 328.37 seconds to cover 0.350 miles. <span>Answer: 328.37 seconds</span>
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Step-by-step explanation:

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