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11Alexandr11 [23.1K]
3 years ago
7

Which expression is equivalent to 2(5) to the power of 4

Mathematics
1 answer:
goblinko [34]3 years ago
8 0
2(5)^4

2x5x5x5x5 (correct)

You’re multiplying 2 by 5 but there are 4 numbers of 5 since that is the power.

Hopefully it’s correct if not then...
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Can someone help me out?
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The answer would be around 4.5 or 4.6

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You randomly choose a tile. Without replacing the first tile, you choose a second tile. Find the probability of the compound eve
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Taylor and Layla go to the movie theater and purchase refreshments for their friends.
zhenek [66]

The system of equations that can be used to find the price of one

drink and the price of one bag of popcorn is

4 x + 9 y = 43

2 x + 8 y = 25

The price of a drink is $8.50

Step-by-step explanation:

Taylor and Layla go to the movie theater and purchase refreshments

for their friends

  • Taylor spends a total of $43.00 on 4 drinks and 9 bags of popcorn
  • Layla spends a total of $25.00 on 2 drinks and 8 bags of popcorn

We need to write  a system of equations that can be used to find the

price of one drink and the price of one bag of popcorn

Assume that the price of each drink is $x and the price of each bag

of popcorn is $y

∵ Taylor spends a total of $43.00 on 4 drinks and 9 bags of popcorn

∴ 4 x + 9 y = 43 ⇒ (1)

∵ Layla spends a total of $25.00 on 2 drinks and 8 bags of popcorn

∴ 2 x + 8 y = 25 ⇒ (2)

The system of equations that can be used to find the price of one

drink and the price of one bag of popcorn is

4 x + 9 y = 43

2 x + 8 y = 25

Multiply equation (2) by -2 to eliminate x

∵ -2(2 x) + -2(8 y) = -2(25)

∴ -4 x - 16 y = -50 ⇒ (3)

- Add equations (1) and (3)

∴ -7 y = -7

- Divide both sides by -7

∴ y = 1

- Substitute y in equation (1) to find x

∵ 4 x + 9(1) = 43

∴ 4 x + 9 = 43

- Subtract 9 from both sides

∴ 4 x = 34

- Divide both sides by 4

∴ x = 8.5

∵ x is the price of each drink

∴ The price of a drink = $8.50

The price of a drink is $8.50

Learn more:

You can learn more about system of equation in brainly.com/question/6075514

#LearnwithBrainly

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3 years ago
the length and breadth of a hall are 20m and 15m respectively. find the area of 4 Walls of the hall if the height of the hall is
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Answer:

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Step-by-step explanation:

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