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olga55 [171]
3 years ago
9

(5n−5)(2+2n) standard form

Mathematics
2 answers:
tekilochka [14]3 years ago
5 0

Answer:

10n^2-10

Step-by-step explanation:

Distribute it to get 10n^2 +10n-10n-10. Then put it all together.

mash [69]3 years ago
3 0

Answer:

10n -10

Step-by-step explanation:

5n * 2n = 10n

-5 * 2 = -10

-10 + 10n = 10n - 10

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the 5th graders at beeville elementary are attending the holiday performance in the auditorium there are 476 students a row can
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8 0
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Carrie missed 9.6% of the problems on a test. The test had a total of 125 problems.
Nataly_w [17]

Answer:

G 13

Step-by-step explanation:

X/125 = 9.6%/100%

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7 0
2 years ago
Beth read a total of 12 books over 7 months.
givi [52]

She has been with her book club for 49 months.

Step-by-step explanation:

Books read = 12 books

Time period = 7 months

Therefore,

12 books = 7 months

1 book = \frac{7}{12}\ months    

Books read so far = 84 books

Total time period = x

84 books = x months

1 book = \frac{x}{84}\ months

Using both unit rates;

\frac{x}{84}=\frac{7}{12}\\x=\frac{7}{12}*84\\x=\frac{588}{12}\\x=49\ months

She has been with her book club for 49 months.

Keywords: Unit rates, multiplication

Learn more about multiplication at:

  • brainly.com/question/10699220
  • brainly.com/question/10703930

#LearnwithBrainly

8 0
3 years ago
WILL GIVE BRAINLIEST
DedPeter [7]

Answer:

Option (D)

Step-by-step explanation:

Pythagoras theorem states,

(Hypotenuse)² = (leg 1)² + (leg 2)²

(13)² = (5)² + (12)²

By the converse of Pythagoras theorem,

If we draw two sides 5cm and 12cm of a triangles with a right angle between them, third side 13 cm will fit to form a right triangle.

Therefore, Option (D) will be the answer.

8 0
3 years ago
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