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cestrela7 [59]
3 years ago
15

Help Asap!!!! Giving brainliest

Mathematics
1 answer:
olga2289 [7]3 years ago
5 0
I’m sorry but, a brainliest is not worth all this
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there are 91 days until the craft sale. Autumn needs to make 817 rings before the sale. she wants to make about the same number
marta [7]

817/91  =8.98

she needs to make about 9 rings each day

6 0
3 years ago
Read 2 more answers
Drag and drop an answer to each box to correctly complete the explanation for deriving the formula for the volume of a sphere
denis-greek [22]

The answers that would fill in the blanks are

  • 2r
  • a circle
  • an annulus
  • 1/3πr³
  • 4/3πr³
<h3>What is the Cavalier's principle?</h3>

This principle states that if two solids are of equal altitude then the sections that the planes would make would have to be parallel and also be at the same distances from their bases which are equal such that the volumes of the solids would be equal.

Now we have to fill in the blanks with the solution.

For every corresponding pair of cross sections, the area of the cross section of a sphere with radius r is equal to the area of the cross section of a cylinder with radius r and height<u> 2r</u> minus the volume of two cones, each with a radius and height of r. A cross section of the sphere is a <u>circle</u> base of cylinder, is and a cross section of the cylinder minus the cones, taken parallel to the base of cylinder, is an <u>annulus_ </u>.The volume of the cylinder with radius r and height 2r is 2πr³, and the volume of each cone with radius r and height r is 1/3πr³. So the volume of the cylinder minus the two cones is 4/3πr³. Therefore, the volume of the sphere is by Cavalieri's principle

Read more on Cavalieri's principle here

brainly.com/question/22431955

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5 0
1 year ago
If a cross-country runner runs a 55 kilometer (km) race, how many miles is that? Round your answer to one decimal place.
prohojiy [21]

Answer: 34.2

For everyone 1 kilometer=.621371 so if you times that by 55 you get 34.1754 which rounds to 34.2

5 0
3 years ago
Marsha recorded the time it took seven children of different ages to run one lap around the track.
max2010maxim [7]
The answer is C. 205.
7 0
2 years ago
Read 2 more answers
What is the equation of the line that passes through the point (-2, 0) and has a slope of -2?​
liq [111]

Answer:

y=-2(x+2)

Step-by-step explanation:

plug in(-2,0) into y-y1=m(x-x1)

y=m(x+2)

slope =m=-2

y=-2(x+2)

8 0
3 years ago
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