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timama [110]
3 years ago
5

Write the next three numbers in each counting sequence: ...,40, 30, 20, ____, ____, ____,...

Mathematics
1 answer:
Leni [432]3 years ago
6 0
10, 0, -10

You just have to subtract by 10
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W varies jointly as X and Y and inversely as the square of Z. If W=280 when X=30, Y=12, and Z=3, find W when X=20, Y=10, and Z=2
algol [13]

Hello! Its Me! :)

Answer:

The answer is 350.

Step-by-step explanation:

The joint variation of W with x, y and z may be expressed as follow,                                    W = kxy / z²where k is the constant of variation. Substituting the first set of values for the variables,                                   280 = k(30)(12) / 3²The value of k from the equation is 7. Substituting to the same equation the values of the next set of variables,                                      w = (7)(20)(10) / 2² = 350

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3 years ago
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Write a polynomial in standard form that represents the area of the shaded region.
Paladinen [302]

Answer:

Area of the smaller square is x * x, which is x^2

Area of the larger square is (x + 7)(x + 7), which is x^2 + 14x + 49

The area of the shaded area = Area of the larger square - Area of the smaller square

Area of the shaded region = x^2 + 14x + 49 - x^2

Area of the shaded region is 14x + 49.

7 0
2 years ago
I need help please help!
Blababa [14]

Answer:

50.5 m^3

Step-by-step explanation:

Volume of pyramid = 1/3 × base area × height.

  • Height: 11
  • Base Dimensions: 4.3 and 3.2

Area of Base:

  • 4.3 * 3.2
  • 13.76  

Next, we multiply 13.76 by 11.

  • 13.76 × 11
  • 151.36

Lastly, divide by 3 and round to nearest tenth.

  • 151.36 ÷ 3  
  • 50.453333..
  • ≈ 50.5

Therefore, the answer is 50.5 m^3

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2 years ago
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