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Alecsey [184]
1 year ago
14

PLS HELP!!! I attached the question in the picture below

Mathematics
1 answer:
Iteru [2.4K]1 year ago
8 0
Take a square root if both sides and you will get
a+6=7 and a+6=-7

For a+6=7
Subtract 6 from both sides
a=1

For a+6=-7
Again subtract 6 from both sides
a=-13

Therefore, the last answer is correct
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Expand and simplify<br><br> 6(2x - 3) - 2(2x + 1)
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Answer:

8x - 20

Step-by-step explanation:

6(2x - 3) - 2(2x + 1)

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6(2x) -6( 3) - 2(2x) -2( 1)

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Combine like terms

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The poem itself, which is a funny description of sports.

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3 years ago
Give the value of the expression from (a) when x=10<br> (i just need the answer for B)
Masteriza [31]

Answer:

257

General Formulas and Concepts:

Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

2x² + 5x + 7

x = 10

<u>Step 2: Evaluate</u>

  1. Substitute:                    2(10)² + 5(10) + 7
  2. Exponents:                   2(100) + 5(10) + 7
  3. Multiply:                        200 + 50 + 7
  4. Add:                              250 + 7
  5. Add:                              257
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