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monitta
3 years ago
9

Help 6th grade math please help

Mathematics
2 answers:
Harman [31]3 years ago
5 0
The answer would be 12n. You have to put like terms together. When you add 9n+3n, you get 12n. Then you would do 2+ (-2) which cancels out and becomes 0. That leaves you with 12n. :)
AveGali [126]3 years ago
3 0

Answer:

12n

Step-by-step explanation:

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I need help with this ​
ycow [4]

Answer:

it looses 200 in value for the first year

Step-by-step explanation:

I am in middle school first year.I have no idea how to solve this but i hope it helps

5 0
3 years ago
Accuracy refers to A) a statement or idea that can be falsified B) how close repeated measurements of the same sample are to one
Vedmedyk [2.9K]

Answer: D) how close a measured value is to the actual value.

Step-by-step explanation: Accuracy is simply a measurement metric which is used to establish how a measured or predicted value conforms to the actual measurement usually in terms of closeness. Accuracy is different from precision which measures closeness in values obtained from repeated measurement of the same sample. For instance;

If the actual vale of a measurement is : 11.34

Prediction 1 : 11.30

Prediction 2 : 11.32 ;

Prediction 2 will be said to be more accurate than prediction 1 becuase it is closer to the actual value than prediction 1.

3 0
3 years ago
Perform the indicated operation.(3/a+2) + (4/a-5)
kipiarov [429]

Answer:

\frac{7(a-1)}{(a+2)(a-5)}

Step-by-step explanation:

To solve this operation we need to find the common multiple of both denominators and solve for a.

\frac{3}{a+2} + \frac{4}{a-5} =\frac{3(a-5)+4(a+2)}{(a+2)(a-5)} =\frac{3a-15+4a+8}{(a+2)(a-5)} =\frac{7a-7}{(a+2)(a-5)} =\frac{7(a-1)}{(a+2)(a-5)}

Thus, the solution is 7(a -1) / (a+2)(a-5)

8 0
4 years ago
Which is equivalent to the following expression <br> 7/12 times 4
Nezavi [6.7K]

Answer:

4/1

Step-by-step explanation:

7 0
3 years ago
If the price of an object dropped 75% down to $85.99 what was the original price?
Serggg [28]
If the price of an object drastically dropped 75%, then the dropped price is equal to 25% of the original price. That means that to find the original price, we have to multiply by the reciprocal of 25% (4). The original price would be $85.99 * 4 which is $343.96.
6 0
3 years ago
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