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galben [10]
3 years ago
5

A farmer must decide whether to build a cylindrical grain silo with a radius r, or a rectangular grain silo with a width rand le

ngth 2r. Both silos have the same heighth
Which has the greater ratio of volume to visible surface area? Explain.
Mathematics
1 answer:
Lorico [155]3 years ago
3 0

Answer:

The cylinder has the greater ratio because the ratio for the cylinder is rh/r+2h and the ratio for the rectangular prism is rh/r+3h

Step-by-step explanation:

Just trust me its right

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A triangle has a base 12 inches and the height of 5 inches if 6 of these triangles are put together to form a hexagon what would
Anuta_ua [19.1K]
Answer: See below

Explanation :

Area of 1 triangle:

A = (12 x 5)/2 = 60/2 = 30

Area of 6 triangle:

30 x 6 = 180in^2
8 0
4 years ago
Are these shapes similar or congruent? H E L P
Vlada [557]

Those shapes are congruent

7 0
3 years ago
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3х+бх<br> What is 3x +6x simplified
balu736 [363]

Answer:

9x

Step-by-step explanation:

because they're like terms add them together

3x + 6x = 3 + 6 =

9x, could i have brainliest if possible thanks!

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3 years ago
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Molly and Liza are exercising. Molly does 10 push-ups at the same time as Liza does 15 push-ups. When Molly does 40 push-ups, ho
professor190 [17]

Answer:

60 push-ups

Step-by-step explanation:

Set up a ratio to represent the problem:

Molly : Liza

10 : 15

40 : ?

How did we get from 10 to 40?

You multiply by 4. Therefore, multiply by 4 on both sides of the ratio.

10 : 15

x4   x4

40 : 60

So, Liza does 60 push-ups while Molly does 40.

4 0
3 years ago
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a ball is dropped from the height of 64 feet. its height can be modeled by the function h(t)=-16t^2+64, where t is the time in s
puteri [66]

Answer:

It takes 1.323 seconds for the ball to fall by 36 feet

Step-by-step explanation:

The height of the ball dropped from a height of 64 ft is modeled by the equation:

h(t) = -16t² + 64 where t is the time in seconds.

To find the time it takes to fall 36 ft, we substitute h(t) too be 36 ft and then solve the resulting quadratic function.

Substituting h(t) to be 36 ft:

36 = -16t² + 64

multiply through by -1

-36 = 16t² - 64

add 36 to both sides

16t² -64 + 36 = -36 + 36

16t² - 28 = 0

add 28 to both sides

16t² - 28 + 28 = 0 +28

16t² = 28

Divide both sides by 28

16t²/16 = 28/16

t² = 1.75

Find squre root of both sides

√t² = √1.75

t = 1.323 seconds

It takes 1.323 seconds for the ball to fall by 36 feet

5 0
3 years ago
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