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Lisa [10]
3 years ago
5

Express the fractions 3/4, 7/16, and 5/8 with the LCD.

Mathematics
1 answer:
RSB [31]3 years ago
3 0

Well, to find the lowest common denominator, you would find the least common multiple.

4, 8, 12, 16, 20

8, 16, 24, 32, 40

16, 32, 48, 64, 80

Now with this, you can see the one they all have in common first is 16.

So, your least common denominator is 16.

Since 7/16 already has 16 as a denominator, you don't change it.

Now, 3/4 would equal 12/16. I got this by changing 4 to 16 and figuring out how many times I multiplied 4 to get 16 (4 times), then I multiplied the numerator by this number.

I am going to do the same thing with 5/8, and I get 10/16.

Hope this helps!

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Select the correct answer. Which sentence correctly describes a data set that follows a normal distribution with a standard devi
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Answer: Option (c) is correct.

68% of the data points lie between 10 and 18.

Step-by-step explanation: Given :  a normal distribution with a standard deviation of 4 and a mean of 14

We have to choose the  sentence that correctly describes a data set that follows a normal distribution with a standard deviation of 4 and a mean of 14.

Since, given 68% data.

We know mean of data lies in middle.

And standard deviation is distribute equally about the mean that is 50% of values less than the mean  and 50% greater than the mean.

So, 68% of data lies

mean - standard deviation = 14 - 4 = 10

mean + standard deviation = 14 + 4 = 18

So, 68% of the data points lie between 10 and 18.

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2 years ago
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Global mean temperature was changing the most rapidly in 2005. How quickly was the temperature changing in 2005
AysviL [449]

The temperature was changing at a rate of 2.925 degrees Celsius in 2005

<h3>How to determine the rate in 2005</h3>

From the graph (see attachment), we have the following ordered pair

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The above means that, the temperature in 2005 is 14.625 degrees Celsius

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Hence, the temperature was changing at a rate of 2.925 degrees Celsius in 2005

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4 0
2 years ago
Explain how you would use equivalent fractions to solve 0.5+0.10
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Ellie want to buy new shoes that is in sale for $80. She saved $60. How much more money does she need
mel-nik [20]

Answer:

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60 + 20 = 80

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