3 years ago

4 divide by the square root of 2

Mathematics

2 answers:

xxTIMURxx [149]3 years ago

8 0

Answer: 2.82842712475

Step-by-step explanation:

Contact [7]3 years ago

7 0

Answer:

4/sqrt2 = roughly 2.8

Step-by-step explanation:

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3 years ago

What is the value of x? (2x + 2) (3x - 52) x=

Harrizon [31]

2x + 2 = 3x - 52
-2x -2x
2 = x - 52
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3 years ago

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Assume that for a particular tire brand, the probability of wearing out before 30,000 miles is 0.25. For someone who buys a set

Hatshy [7]

Answer:

The probability that all will last at least 30,000 miles is 0.3164.

Step-by-step explanation:

Consider the provided information.

For a particular tire brand, the probability of wearing out before 30,000 miles is 0.25. Someone who buys a set of four of these tires,

That means the probability of not wearing out is 1-0.25 = 0.75

Now use the binomial distribution formula.

$^nC_r (p^{n-r})(q^r)$

Substitute p = 0.25, q=0.75, r=4 and n=4

$^4C_4 (0.25)^{4-4}(0.75)^4$

$1 \times 0.75^4$

$0.3164$

The probability that all will last at least 30,000 miles is 0.3164.

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