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sleet_krkn [62]
3 years ago
15

Samantha has some beads.

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
8 0

Answer:

a

Step-by-step explanation:

lets represent the black beads as the letter b and the Gray beads as g

the overall formula would be: g+2

so the answer would be a because 6 to get to 8 is 2 which is part of the formula written above ^

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What is the answer plz!!!! I Will mark brainliest!!!!!!
vagabundo [1.1K]

Answer:

a. she doesnt have any points

b. just draw 3 circles with a plus in them

c. kiara has 7 points

d. -7+7=0

Step-by-step explanation:

mark me brainliest

you can mark me brainliest by clicking the crown at the bottom of this answer

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Help!!!<br> Evaluate mº - n2 for m= 2 and n=-1.<br> 0-1<br> 0 1<br> 0
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7 0
2 years ago
What is the answer for #7?
Karo-lina-s [1.5K]

Answer:

  • radius: 1.84 in
  • height: 3.68 in

Step-by-step explanation:

After you've worked a couple of "optimum cylinder" problems, you find that the cylinder with the least surface area for a given volume has a height that is equal to its diameter. So, the volume equation becomes ...

  V = πr²·h = 2πr³ = 39 in³

Then the radius is ...

  r = ∛(39/(2π)) in ≈ 1.83779 in ≈ 1.84 in

  h = 2r = 3.67557 in ≈ 3.68 in

_____

The total surface area of a cylinder is ...

  S = 2πr² + 2πrh

For a given volume, V, this becomes ...

  S = 2π(r² +r·(V/(πr²))) = 2πr² +2V/r

The derivative of this with respect to r is ...

  S' = 4πr -2V/r²

Setting this to zero and multiplying by r²/2 gives ...

  0 = 2πr³ -V

  r = ∛(V/(2π)) . . . . . . . . looks a lot like the expression above for r

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If we substitute the equation for V into the equation just above this last one, we have ...

  0 = 2πr³ - πr²·h

Dividing by πr² gives ...

  0 = 2r - h

  h = 2r . . . . . generic solution for cylinder optimization problems

3 0
3 years ago
Riddle-if you solve it i will delete your answer and you have to post the riddle. Riddle-you enter a room. 2 dogs, 4 horses, 1 g
My name is Ann [436]

Considering the number of legs of each animal, it is found that there are 56 legs on the ground.

<h3>How many legs does each animal have?</h3>

  • Dogs have 4 legs.
  • Horses have 9 legs.
  • Giraffes have 4 legs.
  • Ducks have 2 legs.
  • Chickens have 2 legs.

Hence the number of legs on the ground is given by:

N = 2 x 4 + 4 x 9 + 1 x 4 + 1 x 2 + 3 x 2 = 56.

A similar problem, also involving the number of legs of each animal, is given at brainly.com/question/14010151

#SPJ1

4 0
1 year ago
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