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choli [55]
3 years ago
12

-6 + 3x = 9 Solve for x

Mathematics
1 answer:
Eduardwww [97]3 years ago
4 0

Answer:

5

Step-by-step explanation:

3x = 15 (you add the 6 over)

x = 5 (you divide by 3)

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Find the greatest common factor of
labwork [276]

Answer:

D. xy.

Step-by-step explanation:

The GCF of x and x^2 is x and GCF of y and y^2 is y.

Answer is xy.

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3 years ago
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What’s 723 divided bye 31
otez555 [7]

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23.3225806

Step-by-step explanation:

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4 years ago
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Points A, B, C, D, E, and F are located on the number line. A number line going from Negative 1 and StartFraction 3 Over 8 EndFr
telo118 [61]

Answer:

The true statements are;

Point D represents a number less than the number Point C represents

Point E represents the smallest number of all the numbers represented by points

Step-by-step explanation:

The given information are;

The number line with points are

-1\frac{3}{8} , -1\frac{1}{4} , -1\frac{1}{8} , -1..., \frac{3}{8}

In decimal format, with Microsoft Excel and Word, we have;

-1.375, -1.25, -1.125, -1, -0.875, -0.75, -0.625, -0.5, -0.375, -0.25, -0.125, 0, 0.125, 0.25, 0.375

We have, E = -1.25, B = -1, D = -0.875, C = -0.25, A = 0, F = 0.25

The correct options are;

Point D = -0.875 < Point C = -0.25

Point E = -1.25 which is the second number on the number line and the smallest number of the numbers represented by points

8 0
3 years ago
Josie selected 6 books from the library. However, he can only check out 4 books at a time. How many possible selections can he m
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Answer:  only 4 boi

Step-by-step explanation:

6 0
3 years ago
What is the standard deviation of the data set? Round to the nearest tenth if needed. 2, 4, 7, 8, 9
barxatty [35]

Hiiiiiiii, okay here's the full- explanation for you, so here's the final answer. The explanation of how i got the answer is also below! Hope this helped you!!

Answer:

2.9

Step-by-step explanation:

First the mean or average = sum / data points (or N) = (2 + 4 + 7 + 8 + 9) / 5 = 6  

Now we take each of the individual values subtract the mean, and then square them, and add it all up.  

(2 - 6)^2 + (4 - 6)^2 + (7 - 6)^2 + (8 - 6)^2 + (9 - 6)^2 = 34  

Then we divide this by degrees of freedom = N - 1 to find the sample standard deviation. Note that this is different from the population standard deviation, where we would just divide N, but we use this because our data set is small, like less than 30 points.  

34 / (N - 1) -----> = 34 / (5 - 1) = 8.5  

Now, this is the variance, so we take the square root of the variance to get the sample standard deviation:  

√(8.5) = 2.9 (rounded to 1 decimal place)  

Note that scientific calculators, even my $20 version can do these kind of statistics calculations. Just enter the data set as a table of values in statistics mode, and press a few buttons, you're done!

6 0
4 years ago
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