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3 years ago

11

In a machine, a large gear completes a revolution every minute while a small gear completes a revolution every 24 seconds. if th

gears are currently aligned, how much time will pass before they are aligned again?

1 answer:

UkoKoshka [18]3 years ago

6 0

To make the second gear be aligned with the first, it will have to rotate 5 times, a total of 120 seconds or 2 minutes will pass.

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Gold in the form of solid cylinders will be molded into solid blocks. Each cylinder has a diameter of 6.19 cm and a height of 6

Taya2010 [7]

First, solve for the volume (V) of each cylinder by the equation,
V = πd²h / 4
where d and h are diameter and height, respectively. Substituting the given values,
V = π(6.19 cm)² x (6 cm) / 4 = 180.56 cm³
To determine the number of cylinders needed, divide the volume of the solid block by the volume of the cylinder,
n = 360 cm³ / 180.56 cm³ = 1.99
Thus, approximately 2 cylinders are needed to mold one block of gold.

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3 years ago

Read 2 more answers

Plz Help, I will give Brainliest!!!

vlada-n [284]

Answer:

can u zoom in ?????????????

Step-by-step explanation:

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3 years ago

Heyy I really need help. I don't understand any of this.

mart [117]

Answer:

The parenthesis means to multiply the numbers. I don't understand any of these either but I hope this helps.

Step-by-step explanation:

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2 years ago

Subtract 2xy-8 from 5x^2+3xy+12

JulijaS [17]

Answer:

5x^2 + xy + 20

Step-by-step explanation:

Begin with 5x^2+3xy+12, Subtracting 2xy yields 5x^2 + xy + 12. Next, subtracting -8 yields 5x^2 + xy + 12 - (-8), or 5x^2 + xy + 20

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2 years ago

Elevii clasei a IV-a au fost la patinoar. Stiind ca numarul baietilor reprezinta jumatate plus 3 din numarul copiilor si ca numa

Shalnov [3]

Step-by-step explanation:

Fie x numărul de copii

$f = 10$ $=\:fete$

$b\:=\:\frac{x}{2}\:+\:3$

$f\:+\:b\:=\:x$

$10\:+\:\frac{x}{2}\:+\:3\:=\:x$

$20\:+\:x\:+\:6\:=\:2x$

$x\:=\:26\:copii\:au\:fost\:la\:patinoar$

$b=\frac{26}{2}+\:3$

$b\:=\:16\:baieti$

7 0

3 years ago