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lapo4ka [179]
3 years ago
11

Evaluate the expression when n=9. n2-14

Mathematics
1 answer:
Semenov [28]3 years ago
5 0

Answer:

4

Step-by-step explanation:

  • 9×2-14(n=9)
  • 18-14
  • 4 is answer
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Help ill Mark brainlist :)
Marianna [84]

Answer:

The area would be 40.5 cm ^2

Step-by-step explanation:

Well first you don’t gotta worry about some isosceles trapezoid thingy.

You just gotta know the formula for a trapezoid is (b1+b2)/2)h

B1 in this case is or base 1 (9 or 4.5)

b2 in this case is or base 2 (9 or 4.5)

(you can only choose one base for each)

ANd you add those 2 up and you’d get 13.5

13.5/2 which is 6.75

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40.5cm ^2 is the final answer

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3 years ago
Three hundred trillion, two hundred seventy-two million, seven hundred fifteen
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300,000,272,000,715 tree hunnit trilliawn
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gulaghasi [49]

Answer:

(-5,2)

Step-by-step explanation:

6 0
3 years ago
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The Lakewood Wildcats won 5 out of their first seven games in this year. There are 28 games in the season. About how many games
allochka39001 [22]

Answer:

The total number of matches expected to be won by Lakewood Wildcats in this season  is 20.

Step-by-step explanation:

The number of games played by Lakewood Wildcats = 7

Number of matches won by Lakewood = 5

or, the ratio of Won : Played = 5: 7

Total numbers of games in the season = 28

Let the Lakewood Wildcats win m number of games.

Here, ratio of Won Matches : Played Matches = m : 28

Now, by RATIO OF PROPORTIONALITY:

\frac{5}{7}   = \frac{m}{28}

⇒m = \frac{28 \times 5}{7}  = 20

or, m = 20

Hence, the total number of matches expected to be won by Lakewood Wildcats out of total 28 matches is 20.

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4 years ago
A study has demonstrated that the more television a person watches, the lower that person’s level of physical fitness. However,
Murljashka [212]

Answer: D

Step-by-step explanation:

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3 years ago
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