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SpyIntel [72]
3 years ago
10

Richard con type 30 word a minute. How many word con be typed 2.5 minute

Mathematics
2 answers:
alexira [117]3 years ago
6 0

Answer:

75 words.

Step-by-step explanation:

30+30+15

vampirchik [111]3 years ago
4 0

Answer:

75 words

Step-by-step explanation:

30 + 30 = 60

1/2 of 30 is 15

60 + 15 is 75

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The score of golfers for a particular course follows a normal distribution that has a mean of 73 and a standard deviation of 3.
Artemon [7]

Answer:

P(X \geq 74) = 0.3707

Step-by-step explanation:

We are given that the score of golfers for a particular course follows a normal distribution that has a mean of 73 and a standard deviation of 3.

Let X = Score of golfers

So, X ~ N(\mu=73,\sigma^{2}=3^{2})

The z score probability distribution is given by;

           Z = \frac{X-\mu}{\sigma} ~ N(0,1)

where, \mu = population mean = 73

           \sigma = standard deviation = 3

So, the probability that the score of golfer is at least 74 is given by = P(X \geq 74)

 P(X \geq 74) = P( \frac{X-\mu}{\sigma} \geq \frac{74-73}{3} ) = P(Z \geq 0.33) = 1 - P(Z < 0.33)

                                               =  1 - 0.62930 = 0.3707                  

Therefore, the probability that the score of golfer is at least 74 is 0.3707 .

3 0
3 years ago
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Anna35 [415]

the answer is c :) :)

7 0
3 years ago
$1200 deposit at an APR of 4% with quarterly compounding for 2 years.​
inessss [21]

Answer:1296

Step-by-step explanation:1200*.04=96

1200+96=1296

8 0
3 years ago
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Plz I need help’mmmmmmmm
Anna007 [38]

Answer:

Therefore,

C=\pi d\\C\approx 3.14 \times d\\C\approx 43.96\ inches

Step-by-step explanation:

Let Assume Some Diameter of a Circle, to Solve it

Diameter = d = 14 inch ( say )

C =Circumference

Pi =constant = 3.14

To Find:

C = ?

Solution:

Formula for Circumference of a Circle is given as

C=\pi d

Where,

C = Circumference

d = Diameter

Now Substitute d = 14 inches we get

C=3.14\times 14\approx 43.96\ inches

This way we can find the circumference for any 'd' i.e Diameter

Therefore,

C\approx 43.96\ inches

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3 years ago
When 70,000 is written as 7.0 10^{n} what is the value of n ?
Lelechka [254]
70 000=7\cdot10^4\\ \\840000000=8,4\cdot10^8\\ \\0,004=4\cdot10^{-3}\\ \\0,000000123=1,23\cdot10^{-7}
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2 years ago
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