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andrey2020 [161]
3 years ago
15

Write a corresponding real world problem to represent 2x-125=400

Mathematics
1 answer:
STatiana [176]3 years ago
8 0
Two times a number less one hundred and twenty-five is equal to four hundred
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Solve system of equation by elimination:
mars1129 [50]

Answer:

a. (4, 1)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

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

-x + 4y = -8

-5x - 4y = -16

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

<em>Elimination</em>

  1. Combine equations:                     -6x = -24
  2. Isolate <em>x</em>:                                        x = 4

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

  1. Define equation:                   -x + 4y = -8
  2. Substitute in <em>x</em>:                      -4 + 4y = -8
  3. Isolate <em>y</em> term:                       4y = -4
  4. Isolate <em>y</em>:                                y = -1
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3 years ago
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In a class of 32 students, the mean height of the 14 boys is 1.56 meters, the mean height of all 32 students is 1.515. Work out
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Can someone help me please and thank you :)
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the answer is 4328

Step-by-step explanation:

may God bless you and your family during spring break

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