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dsp73
2 years ago
9

Adittion of letters with powers

Mathematics
1 answer:
GREYUIT [131]2 years ago
8 0
To add or subtract with powers, both the variables and the exponents of the variables must be the same. You perform the required operations on the coefficients, leaving the variable and exponent as they are.
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A carpenter has a board 400 inches long and 10 inches wide. He makes 5 identical shelves with the board and still has a piece of
Sedaia [141]
THE 5 IDENTICAL SHELVES WOULD  have to be 76 because if you take 400 - 20 (because that left over) you get 380/5 you get 76 and to check your work you do 5x76=380+20 you get 400 so 76 is you answer
3 0
3 years ago
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Helooooo?!!!!! 30 whole points
pentagon [3]

Answer:

I believe C, or the answer you have chosen, is correct.

Step-by-step explanation:

In this question, we add like, AKA similar, terms.

There is nothing to match x^2, so we leave it alone and put it at the head of equation since it has the highest power:

x^2

There is nothing to match -x, so we also leave it alone and put it next to x^2, keeping its sign:

x^2 - x

We can add 1 and 5 to get 6, so we put 6 next to the -x to get our final equation:

x^2 - x + 6.

See how easy that was? :) Hope this helps you and you get a good grade on your test!!

Please rate my answer and give me Brainliest!!!!

Have an awesome rest of your day! :)

7 0
3 years ago
Coral beef grew 19.5 mm taller. how much did it grow in meters?
Serggg [28]

1 meter = 1,000 millimeter

We can solve this by making two proportion or millimeter over meter:  \frac{millimeter}{meter}

\frac{19.5 mm}{x meter}  = \frac{1,000 mm}{1 m}

Now you must solve for the unknown meter under the first proportion:

(1,000)(x meter) = 19.5 * 1

1,000(x meter) = 19.5

x meter = 0.0195 m

19.5 mm = 0.0195 m

Hope this helped! Let me know if you have any further questions

~ Just a girl in love with Shawn Mendes

6 0
3 years ago
263/4 plz answer thank you
mr_godi [17]

Answer:

65.75

Step-by-step explanation:

All you do is divide.

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3 years ago
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Sveta_85 [38]

Answer:

87 is the prime number

Step-by-step explanation:

the only factor of 87 is 1 and 87 which makes it prime



BRAINIEST PLZZZZZZ.


7 0
3 years ago
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