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Sunny_sXe [5.5K]
4 years ago
14

4a + (9a + 3) Help me please

Mathematics
1 answer:
Vaselesa [24]4 years ago
4 0

Answer:

13a + 3

Explanation:

Remove Parenthesis: (a) = a

4a + 9a + 3

Combine: 4a + 9a = 13a

= 13a + 3

- Mordancy -

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The third one: No, yes, no
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A landscaper is selecting two trees to plant. He has five to choose from. Three of the five are deciduous and two are evergreen.
ICE Princess25 [194]

Answer:

The probability that he chooses trees of two different types is 30%.

Step-by-step explanation:

Given that a landscaper is selecting two trees to plant, and he has five to choose from, of which three of the five are deciduous and two are evergreen, to determine what is the probability that he chooses trees of two different types must be performed the following calculation:

3/5 x 2/4 = 0.3

2/5 x 3/4 = 0.3

Therefore, the probability that he chooses trees of two different types is 30%.

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3 years ago
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Answer:

184

Step-by-step explanation:

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A fish tank contains 24 L of water. Water is added to increase the volume by 12.5%. What is the new volume of water in the tank?
Ronch [10]

Answer:

27 L

Step-by-step explanation:

To find 12.5% of 24, move the decimal all the way to the left and multiply 24 by 0.125. You get 3, which is how much was added to the original volume.

24 + 3 = 27, which is the new volume.

6 0
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Lily owed Megan $129.42. So far, she has paid Megan $32.56.
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Answer:

She still owes her $96.86

Step-by-step explanation:

Subtract 32.56 from 129.42

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