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matrenka [14]
3 years ago
10

Help me fast!!!! :) Answer my other questions plz

Mathematics
1 answer:
GrogVix [38]3 years ago
8 0

Answer:

x = 20°

Step-by-step explanation:

Angles on a straight line = 180°

Therefore,

3x° + 80° + 2x° = 180°

Add like terms

5x + 80 = 180

Subtract 80 from each side

5x + 80 - 80 = 180 - 80

5x = 100

Divide both sides by 5

5x/5 = 100/5

x = 20°

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Crazy boy [7]

Answer:

7 = 8 +  \frac{r}{15}  \\ 7 - 8 =  \frac{r}{15}  \\  - 1 = \frac{r}{15}  \\  \therefore \: r =  - 15

8 0
3 years ago
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How is 1/2 and 4/8 equivalent​
alexandr402 [8]

Answer:

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Step-by-step explanation:

1 is half of 2 And 4 is half of 8

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3 years ago
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mina [271]

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3 years ago
Raul has 56 bouncy balls. He puts three times as many balls into red bags as he puts into green gift bags. If he puts the same n
Sati [7]
If we divide 56 by 4 we get 14.  Why by4?  So that one number is 3 times the other So he had 14 balls that went into the green bags and 42 (56-14) that went into the red bags.  We could just answer the question and say 14 but I think they want to know how many in each green bag.
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We could have 2 green bags and split the 14 balls into 2 groups of 7 and with the remaining 42 - put them into 6 red bags of 7 each.
And so the answer to your question is:
7 ball in each bag  = 2 bags are green, and 6 bags are red
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3 years ago
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