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3 years ago

5

The greatest common factor of any two even numbers is always even. determine weather the statement is true or false. if true exp

lain why. if false give a reason

1 answer:

Illusion [34]3 years ago

3 0

True. Because two even numbers weather you Add Subtract or Multiply them they will always be Even

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Please help me with this please 2

kondaur [170]

Put this into a scientific calculator
1/3 x pi x 18 squared x 16

8 0

2 years ago

The operating costs for each machine for one day have an unknown distribution with mean 1610 and standard deviation 136 dollars.

BabaBlast [244]

Answer:

20.27

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sample means with size n of at least 30 can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$

Using the Central Limit Theorem for Means, what is the standard deviation for the sample mean distribution?

This is s when $\sigma = 136, n = 45$ . So

$s = \frac{136}{\sqrt{45}} = 20.27$

So the correct answer is:

20.27

3 0

2 years ago

3. You need to hire a taxi. Taxi A charges $9.25 plus $1.50 per mile. Taxi B charges $10.50 plus $1.25 per mile. Find the number

lapo4ka [179]

Answer:

five miles

Step-by-step explanation:

taxi A: for one mile: 10.75

taxi B: for one mile: 11.75

two miles: A: 12.25 B: 13

three miles: A: 13.75 B: 14.25

four miles: A: 15.25 B: 15.5

five miles: A: 16.75 B: 16.75

5 0

2 years ago

A number is picked randomly in the range [0,7]. What is the probability that the number picked is between 3 and 5? What is the p

emmasim [6.3K]

Answer:

(1) 0.125

(2) 0.125

Step-by-step explanation:

The total number of possible outcomes is:

N = 8

(1)

Compute the probability that the number picked is between 3 and 5 as follows:

Number of Favorable outcomes = 1

The probability is:

P (Number picked is between 3 and 5) = 1/8 = 0.125

Thus, the probability that the number picked is between 3 and 5 is 0.125.

(2)

The number usually picked appears to be in in the range [3,5], i.e. the numbers could be, {3, 4 or 5}.

Number of Favorable outcomes = n (Number < 4 and within [3, 5]) = 1

P (less than 4 ∩ within [3, 5]) = 1/8 = 0.125

Thus, the probability that the number picked is less than 4 knowing that the number usually picked appears to be in in the range [3,5] is 0.125.

4 0

3 years ago

PLEASE HELP QUICKLY: (FIRST ANSWER GETS BRAINLIEST)

kodGreya [7K]

Answer:

Buy the batteries and stereo online:

4.99*2= $9.98 +$90 = $99.98

6.99-5.00 = $1.99

99.98+1.99=$101.97

3Cds in store

7.97*3= $23.85

5% tax = 1.19

10% off = 2.39

$23.85 - $1.19= $22.66

22.66 + 101.97= $124.63

All in store:

12+100+23.85= 135.85 - 6.45 = $129.40

All online:

9.98 + 90 + 26.85= 126.85 +$1.99 = 128.84

<u><em>(CREDIT: Hussain514)</em></u>

8 0

3 years ago