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viva [34]
2 years ago
7

Please help i know it a lot but please

Mathematics
1 answer:
blsea [12.9K]2 years ago
6 0

Answer:

I have no clue

Step-by-step explanation:

I'm in middle school I don't know

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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
The sum of two consecutive odd intergers is 32. Find the intergers.
elena-14-01-66 [18.8K]
So let the smaller integer be 2x+1 and the larger one be 2x+3. So 2x+1+2x+3 is 32. Simplifying, we get 4x+4=32. So subtracting 2 from both sides we get 4x+2=30. So dividing by 2 we get 2x+1=15. So 2x+3 is 17. So the numbers are 15 and 17
4 0
3 years ago
Help me with this question
TEA [102]

Answer:

the second one

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
the pentagon in washington dc is immense in size, with each outside wall 921 feet in lenght. what is the perimeter of the pentag
KATRIN_1 [288]
A pentagon gas 5 sides. Therefore multiply the length of one side by 5. 921x5=4605 feet
4 0
3 years ago
The lesser of two consecutive even integers is 10 more than one-half the greater.
sleet_krkn [62]
Even integers are in form 2n where n is a whole number
consecutive even integers are 2 apart
2n and 2n+2
2n is 10 more than 1/2 of (2n+2)
2n=10+1/2(2n+2)
2n=10+n+1
2n=11+n
minus n both sides
n=11

2n=22
2n+2=24

the numbers are 22 and 24
8 0
3 years ago
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