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katrin2010 [14]
3 years ago
11

Can you help on number 2 please

Mathematics
2 answers:
REY [17]3 years ago
7 0

Hi!

The sum of all angles on a line is 180 degrees.

y = 180 - 2x

Hope this helps!

Nonamiya [84]3 years ago
3 0
It’s in it’s a 90 degree or a 45 degre because a 180 degree would be a line just a odniray so hope this helped it’s ok pick which answer you want that’s right
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Answer:

1 oz of chips has 120mg of sodium, while in 1 cup of soda there are 50mg of sodium.

Step-by-step explanation:

This question can be solved by a system of equations.

I am going to say that:

x is the number of mg of sodium in 1 oz of chips.

y is the number of mg of sodium in a cup of soda.

Bryan ate 5 oz of chips and drank 1 cup of soda for a total of 650 mg of sodium.

This means that:

5x + y = 650

Jadyn ate 1 oz of chips and drank 5 cups of soda for a total of 250 mg of sodium.

This means that:

x + 5y = 250

From the first equation:

y = 650 - 5x

Replacing in the second

x + 5(650 - 5x) = 250

x + 3250 - 25x = 250

25x = 3000

x = \frac{3000}{25}

x = 120

y = 650 - 5x = 650 - 5*120 = 650 - 600 = 50

1 oz of chips has 120mg of sodium, while in 1 cup of soda there are 50mg of sodium.

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Concept:

Here, we need to know the idea of segment addition postulate.

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Solve:

<u>Given information</u>

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<u>Simplify by subtraction</u>

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Hope this helps!! :)

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