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Naya [18.7K]
3 years ago
11

Which uses a logarithmic scale?

Mathematics
2 answers:
gregori [183]3 years ago
5 0

Answer: Richter Scale

Step-by-step explanation:

inn [45]3 years ago
4 0

Answer:

Richter scale

Step-by-step explanation:

Used for the magnitude of Earthquakes, hope this helps!

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The ratio of the radii of two spheres is 3:1. The volume of the larger sphere is 729 in3. What is the volume of the smaller sphe
Yanka [14]
27 in3 because you have to divide it

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3 years ago
Read 2 more answers
Hey!
noname [10]

Answer:

A. Cylinder + cone

<u>Volume is the sum of volumes:</u>

  • V = Vcon + Vcyl = 1/3πr²h₁ + πr²h₂
  • V = 1/3π*9²*12 + π*9²*120 = 31554.2 cm³

<u>Surface area of cone:</u>

  • A = A=πr(r+√(h₁²+r²)) = π*9(9 + √(9²+12²)) = 678.6 cm²

<u>Surface area of cylinder minus bases:</u>

  • A = 2πrh₂ = 2π*9*120 = 6785.8 cm²

<u>Total surface area:</u>

  • 678.6 + 6785.8 = 7464.4 cm²

-------------------------------------------------

B. Cube+ pyramid

<u>Volume:</u>

  • V = a³ + (1/3)a²h = a³ + (1/3)a²√(l²-(a/2)²)
  • V = 8³ + (1/3)8²√(10²-4²) = 707.5 cm³

<u>Surface area of pyramid:</u>

  • A = a² + 2al = 8² + 2*8*10 = 224 cm²

<u>Surface area of cube minus bases:</u>

  • A = 4a² = 4(8²) = 256 cm²

<u>Total surface area:</u>

  • A = 224 + 256 = 480 cm²
5 0
3 years ago
Find the distance between the points (-6,1) and ( 2,1) <br> ( step by step )
CaHeK987 [17]
The distance is 5.099
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Help me plz i need help
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The first one is the first choice
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3 years ago
A concession stand sells hamburgers. The revenue from the hamburgers is (30x + 45) dollars. The price of a hamburger is $5. Writ
kiruha [24]

Answer:

5(6x+9)

Step-by-step explanation:

(30x+45)

30=(5)6x

45=(5)9

5(6x+9)

5 0
2 years ago
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