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True [87]
3 years ago
12

Two gears in a machine are aligned by a mark drawn from the center of one gear to the center of the other. If the first gear has

teeth, and the second gear has teeth, how many revolutions of the first gear are needed until the marks line up again?
Mathematics
1 answer:
scoray [572]3 years ago
4 0

Answer:

The firstgear needs to make five revolutions in order for the marks to line up again.

Step-by-step explanation:

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Answer:

Possible outcomes = 6

Step-by-step explanation:

Since the spinner is divided into red, yellow, orange, purple, blue and pink

Total of 6 colors.

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Answer:

x = -6/5

Step-by-step explanation:

distribute -4 on the left side of the equation first, then distribute 2 on the right side of the equation to get:

16x - 4 - 4x = 2x - 14 - 2

combine 'like terms':

12x - 4 = 2x - 16

subtract '2x' from each side to get:

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add 4 to each side to get:

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snow_lady [41]

Step-by-step explanation:

3x - 2y = 12

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3x - 2 \times 9 = 12 \\  \therefore \: 3x - 18 = 12 \\ \therefore \: 3x  = 12 + 18  \\ \therefore \: 3x  = 30 \\ \therefore \: x  =  \frac{30}{3} \\ \therefore \: x  = 10 \\  \therefore \: A (...., 9) = A (10, \: 9)

Similarly, solving for point B (4, __) =B (4, 0)

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