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Katarina [22]
3 years ago
7

I need help finding the area

Mathematics
1 answer:
Daniel [21]3 years ago
7 0

Answer:

i tihnk 11 is 86 sorrry if im wrong

Step-by-step explanation:

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A club with nineteen members is to choose three​ officers: ​ president, vice-president, and​ secretary-treasurer. If each office
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5,814

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19 × 18 × 17

5,814

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3 years ago
Write two equivalent expressions that represent the rectangular array below.
Ainat [17]
Area formula for rectangles: L x W

Answer: 3 x 2a + 3 x 5 = 3 x 2a x 5

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3 years ago
The diameter of a circle measures 28 mm. What is the circumference of the circle?
Papessa [141]

Answer:

C = 87.92 mm

General Formulas and Concepts:

<u>Symbols</u>

  • π (pi) ≈ 3.14

<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> </u>

<u>Geometry</u>

Circumference Formula: C = πd

  • <em>C</em> is circumference
  • <em>d</em> is diameter

Step-by-step explanation:

<u>Step 1: Define</u>

Diameter <em>d</em> = 28 mm

<u>Step 2: Solve</u>

  1. Substitute in variables [Circumference Formula]:                                          C = 3.14(28 mm)
  2. [Circumference] Multiply:                                                                                 C = 87.92 mm
8 0
3 years ago
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