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Elanso [62]
3 years ago
5

80-2w less than or equal to 50

Mathematics
1 answer:
Tcecarenko [31]3 years ago
8 0

Answer:

w≥15

Step-by-step explanation:

Subtract 80 from both sides to get -2w≤-30. Divide both sides by -2. Because it is negative, flip it. You will get w≥15.

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The big dog weighs 5 times as much as the little dog. The little dog weighs 2 3 as much as the medium-sized dog. The medium-size
disa [49]

Answer:

The answer to your question is the big dog weighs 120 pounds

Step-by-step explanation:

Data

big dog = b    

medium dog = m

small dog = s

Equations

       b = 5s

       m = 12 + s

       s = 2/3 m

Process

1.- Substitute m in the last equation

       s = 2/3(12 + s)

       s = 24/3 + 2/3s

       s - 2/3s = 8

       1/3 s = 8

             s = 8(3)

             s = 24 pounds

2.- Substitute s in the first equation

        b = 5(24)

        b = 120 pounds

     

4 0
3 years ago
Which prediction can you make based on this graph?
Colt1911 [192]

Answer:more people will be living in Africa than in Asia sometime around 2120

Step-by-step explanation:

4 0
3 years ago
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This equation shows how the accuracy of Alexa's watch is related to how long it's been since she last set it.
Kruka [31]

Answer:

2

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4 0
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Write an expression that represents the sum of B and 5 x 2
Romashka-Z-Leto [24]
Since sum indicates addition, you want to add the two terms together. 
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3 0
3 years ago
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MArishka [77]

9x-7= 29

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x= 4

Check answer by using substitution method

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9(4)-7=29

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Answer is x=4 (second choice)

5 0
3 years ago
Read 2 more answers
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