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Ivahew [28]
3 years ago
5

"one less than the product of a number and 3 is 5 more than the number itself"

Mathematics
1 answer:
Andrej [43]3 years ago
4 0

Answer:

  the number is 3

Step-by-step explanation:

Perhaps you'd like to find the number.

If n represents the number, we can write the relationship as ...

  3n -1 = n +5

Adding 1-n to both sides gives ...

  2n = 6

  n = 3 . . . . divide by 2

The number is 3.

_____

<em>Check</em>

The product of the number and 3 is 9. One less is 8. That is 5 more than the number itself: 8 = 3 + 5.

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Step-by-step explanation:

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Find the volume of a sphere and radius is 3. please answer in terms of pi
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12 pi

Step-by-step explanation:

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Answer:

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7 0
2 years ago
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ZanzabumX [31]

Answer:

B. 6.5

Step-by-step explanation:

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3 0
3 years ago
Find the volume of the composite space figure to the nearest whole number.
Romashka [77]

Answer:

  d.  944 mm^3

Step-by-step explanation:

The area of a circle is given by ...

  A = πr² . . . . . where r is the radius, half the diameter

The area of a circle with diameter 9 mm is ...

  A = π(4.5 mm)² = 20.25π mm²

The area of the semi-circular end of the prism is half this value, or ...

  semicircle area = (1/2)(20.25π mm²) = 10.125π mm² ≈ 31.809 mm²

__

The area of the rectangular portion of the end of the prism is the product of its width and height:

  A = wh = (9 mm)(6 mm) = 54 mm²

Then the base area of the prism is ...

  base area = rectangle area + semicircle area

  = (54 mm²) +(31.809 mm²) = 85.809 mm²

__

This base area multiplied by the 11 mm length of the prism gives its volume:

  V = Bh = (85.809 mm²)(11 mm) ≈ 944 mm³

The volume of the composite figure is about 944 mm³.

7 0
3 years ago
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