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Firlakuza [10]
3 years ago
5

3(x - 5) - X Match the equivalent expressions

Mathematics
1 answer:
Evgen [1.6K]3 years ago
6 0
Need poins udisbandiydbskkcnxjzox1383-5(3x
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URGENT<br>please find the mean and standard deviation too​ (number 6)
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Answer:To calculate the standard deviation of those numbers:

1.Work out the Mean (the simple average of the numbers)

2.Then for each number: subtract the Mean and square the result.

3.Then work out the mean of those squared differences.

4.Take the square root of that and we are done!

Step-by-step explanation:

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3 years ago
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The sum of two numbers is 108. the difference of the same numbers is 78. what are the numbers
Nimfa-mama [501]

The sum of two numbers:

x + y = 108

The difference of the same two numbers:

x - y = 78

We can use substitution to figure out x and y:

x - y = 78 can be changed to x = 78 + y

We can plug this into the first equation:

78 + y + y = 108

78 + 2y = 108

2y = 30

y = 15

Now solve for x using any of the two equations. I'll use the first equation since it's easier:

x + 15 = 108

x = 93

4 0
3 years ago
A positive integer is 4 more than 12 times another. Their product is 5896. Find the two integers.
maksim [4K]
X = integer one
y = integer 2

x = 12y + 4

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Solve the system of equations
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3 years ago
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35 is the sum of a number and 7
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Answer:

7+28=35

Step-by-step explanation:

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2 years ago
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