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pychu [463]
2 years ago
8

Perform the indicated operation. Be sure the answer is reduced. 3/n^2-9 + 7/3-n =

Mathematics
1 answer:
Aleks04 [339]2 years ago
4 0

This is a basic algebraic fraction question

Step 1: Factor n2-9

Step 2: Rewrite the second fraction

Step 3: Write all the numerators under the least common denominator

Step 4: Expand bracket

Step 5: Collect like terms

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7. 3x + 4(x – 6) – 3(x – 7) (1 point) 4x – 45 4x – 3 10x – 3 10x + 45
charle [14.2K]

Answer:

  4x -3

Step-by-step explanation:

The distributive property applies.

  3x +4(x -6) -3(x -7)

  = 3x +4x +4(-6) -3x -3(-7) . . . . use the distributive property

  = 3x +4x -24 -3x +21 . . . . . . . . simplify

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3 0
2 years ago
What’s the greatest mad
Nana76 [90]

Answer: Jason's team.

Step-by-step explanation: When finding the MAD, you need to find the mean of the data, which they said is 10.  The next step is to subtract numbers from the data from the mean, which is 10 for all three dot plots. For example, for Jason's team, we need to subtract all the 7's, 8's, 11's, 12's, and 13's, because those are the only parts of the plot with data.  Let's try subtracting 7 - 10.  The answer is -3, but we need to make it positive, because that's how data works, so it's actually 3.  You keep doing this for all three plots, which is provided below:

Jason's Team: 3, 3, 2, 2, 2, 1, 2, 3, 3, 3.

Hannah's Team: 3, 2, 2, 1, 0, 0, 1, 1, 3, 3.

Dion's Team: 1, 1, 1, 1, 0, 0, 0, 0, 1, 3.

Now, the next step is adding all these values and dividing it by ten, since that's how many numbers there are for the data.

Jason's Team MAD: 2.4.

Hannah's Team MAD: 1.6.

Dion's Team MAD: 0.8

As you can see, Jason's Team has the greatest MAD, which is your answer.

Let me know if this is right! :)

8 0
2 years ago
Write all pairs of numbers satisfying the equation <br> x2 + y2 =5 and x2 + y2= 25
lorasvet [3.4K]

Answer:

There is no solution for this set of equations.

The sum of two numbers can not have two different solutions.

6 0
3 years ago
True or false? <br>Help will make brainliest !​
satela [25.4K]

True is the correct answer.

6 0
3 years ago
Read 2 more answers
The probability that a normal random variable is less than its mean is ____. ​​1.0 ​0.5 ​0.0 ​Cannot be determined?
Ber [7]
The correct answer for the question that is being presented above is this one: "​0.5" <span>The probability that a normal random variable is less than its mean is 0.5. In a normal distribution, 1.0 refers to the one that is stable and is in equilibrium.</span>
7 0
3 years ago
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