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Irina-Kira [14]
2 years ago
11

I don’t understand can someone help me

Mathematics
1 answer:
Elden [556K]2 years ago
6 0
You set 49 equal to 8x - 15

So

8x - 15 = 49
+15 + 15

8x = 64

Then divide by 8

X= 8
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If a circle has a diameter of 30 meters, which expression gives its area in
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Answer:

C. 15²π

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
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  • Area of a Circle: A = πr²

Step-by-step explanation:

<u>Step 1: Define</u>

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<u>Step 2: Find Area</u>

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  2. Isolate <em>r</em>:                             15 m = r
  3. Rewrite:                              r = 15 m
  4. Substitute [AC]:                 A = π(15 m)²
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3 years ago
Pleaseeeee help
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