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matrenka [14]
2 years ago
15

A science teacher fills a spherical bubble with hydrogen gas. The bubble has a diameter of 8 centimeters.

Mathematics
1 answer:
Vadim26 [7]2 years ago
8 0

A science teacher fills a spherical bubble with hydrogen gas. The bubble has

Hi

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Solve this system of equations.
Dennis_Churaev [7]

Answer:

<em>x = -3 and y = 0</em>

Step-by-step explanation:

<em>It would be more direct to apply elimination in this problem, rather than substitution:</em>

  2x + 6y = -6       ⇒      2x + 6y = -6       ⇒      10x = - 30

+ 2(4x - 3y = -12)        +  8x - 6y = -24

<em>Now let us solve for x through simply algebra:</em>

10x = -30,

  <em>x = -3</em>

<em>Substitute this value of x into the first equation to get the value of y:</em>

2( -3 ) + 6y = -6,

-6 + 6y = -6,

  6y = 0,

    <em>y = 0</em>

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3 years ago
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Answer:

A) p = \frac{1}{10} d

Step-by-step explanation:

20(which is d) x \frac{1}{10} = 2 (which is p)

cross checking always helps!

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