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Bumek [7]
3 years ago
8

Find the Geometric Mean of 4 and 9. (round to the nearest tenth)

Mathematics
1 answer:
Ainat [17]3 years ago
8 0

Answer:

6

Step-by-step explanation:

Formula - √a * b

= √4 * 9

= √36

= 6

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5x^2 -15x-140 what method should be use?
elena55 [62]
5x^2 -15x-140

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5(x(x+4) -7(x+4)

5(x-7)*(x-4)



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7 0
2 years ago
If the side lengths of a cube are 15 feet, what is the correct way to write the expression to represent the volume of the cube i
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5 0
3 years ago
ACT mathematics score for a particular year are normally distributed with a mean of 28 and a standard deviation of 2.4 points
kompoz [17]

Answer:

a.   0.1587

b.  0.8849

c.  0.1814

Step-by-step explanation:

a. Given that \mu=28, \ \ \sigma=2.4

-The probability a randomly selected score is greater than 30.4 is calculated as:

P(X>30.4)=1-P(X30.4)=1-P(z

Hence, the probability of a score greater than 30.4 is 0.1587

b. Given that \mu=28, \ \ \ \sigma=2.4

The probability a randomly selected score is less than 32.8 is calculated as:

P(X

Hence, the probability that a randomly selected score is less than 32.8 is 0.8849

c. The probability that a score is between 25.6 and 32.8 is calculated as follows:

P(25.6

Hence, the probability is 0.1814

3 0
3 years ago
The results of an independent-samples t test were t(19) = 4.02, p < 0.05. In this example,
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T(1982738)x44-88^5517t
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