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wolverine [178]
3 years ago
14

Sample QnA to Preliminary Exam

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
3 0

Answer:

Bro the work is already completed..

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What is the value of the digit in the tenths place of 0.77
Semmy [17]
The tenths place is the first digit to the right of the decimal(the point). The value would be .7
3 0
3 years ago
What is the simple list form of 2/1240
Scrat [10]
1/620 is the simplest form of 2/1240
all you had to do was simplify
2 divided by 2=1
1240 divided by 2=620 <span />
7 0
3 years ago
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A sprinter ran 100 meter dash in 10.92 seconds. What was the sprinters speed in miles per hour
tresset_1 [31]
The formula for working out speed :

speed = distance ÷ time.

substitute the numbers : 100m ÷ 10.92s.

give your answer in meters per second ( m/s )

the answer I got while working this out was:
9.2 m/s.
8 0
3 years ago
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A paint manufacturer discovers that the mean volume of paint in a gallon-sized pail is 1 gallon with a standard deviation of 0.0
Agata [3.3K]

Answer:

Approximately 68%.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.

Approximately 95% of the measures are within 2 standard deviations of the mean.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 1, standard deviation = 0.05.

Estimate the percent of pails with volumes between 0.95 gallons and 1.05 gallons.

0.95 = 1 - 0.05

1.05 = 1 + 0.05

So within 1 standard deviation of the mean, which by the Empirical Rule, is approximately 68% of values.

5 0
3 years ago
what is the answer to the multiplication problem. Jhon has 20 fish if he lets 6 fish go how many fish dose Jhon have?
spayn [35]
Isn't this a subtraction problem, not a multiplication problem?

If John starts out with 20 fish and lets 6 go, he still has (20-6), or 14, fish.
6 0
3 years ago
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