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Anna35 [415]
3 years ago
9

A pool has some initial amount of water in it. Then it starts being filled so the water level rises at a rate of 6 centimeters p

er minute. After 20 minutes, the water level is 220 centimeters.
Mathematics
1 answer:
mariarad [96]3 years ago
3 0

Answer:

that would be inccorect if thats what its asking

Step-by-step explanation:

Because you would divide 20 by 6 and get 3.33

than you would multiply 3.33 by 6 to get an answer of twenty whic means the water level would be incorrect . because it does not match the eqution that the water level would be at 220 by 20 minutes it would atually be at 66.6 cenimeters by 20 minutes .

I need just 1 more brainliest

:)

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snow_tiger [21]

Answer:

(-2, 20)

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<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define Systems</u>

y = -7x + 6

y = -10x

<u>Step 2: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em> [1st Equation]:                                                                           -10x = -7x + 6
  2. [Addition Property of Equality] Add 7x on both sides:                                   -3x = 6
  3. [Division Property of Equality] Divide -3 on both sides:                                x = -2

<u>Step 3: Solve for </u><em><u>y</u></em>

  1. Substitute in <em>x </em>[2nd Equation]:                                                                         y = -10(-2)
  2. Multiply:                                                                                                             y = 20
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