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marishachu [46]
3 years ago
11

Help me with this !!

Mathematics
1 answer:
densk [106]3 years ago
7 0
<h3>Answer:  17</h3>

Multiply the probability of getting a correct answer (0.25) with the number of questions (68) to get 0.25*68 = 17

The student should expect to get about 17 questions correct.

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Which of the following equations have no solutions?
Neporo4naja [7]

Option 3 is not possible

-60.2 + 32 = -60.2 + 60

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Factorize 6p2 - 7p + 2​
Ivan

Answer:

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Eric has 183 coins all of them are nickels and dimes. If the total value of the coins is 14.45, how many of each denomination co
FromTheMoon [43]

Answer:

77 nickels

106 dimes

Step-by-step explanation:

Let there be n nickes and d dimes

Since there are 183 coins, we can write:

n + d = 183

Also, the value of nickel is 0.05 and dime is 0.1, total value is 14.45, so we can write:

0.05n + 0.1d = 14.45

Solving 1st equation for n, we have:

n = 183 - d

Putting this into 2nd equation and solving for d:

0.05n + 0.1d = 14.45\\0.05(183-d) + 0.1d = 14.45\\9.15-0.05d+0.1d=14.45\\0.05d=5.3\\d=106

There are 106 dimes

Since, n = 183 - d

n = 183 - 106

n = 77

There are 77 nickels

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3 years ago
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Calculate the UCL and LCL for a mean chart. Assume the standard deviation is unknown. Round to 1 decimal.
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