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polet [3.4K]
3 years ago
12

If 30 men can do a work in 8 days how many men can do the same work in 12 days ​

Mathematics
1 answer:
Effectus [21]3 years ago
6 0

Answer:

Step-by-step explanation:

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Simplify 288x1318-288x1316
Lerok [7]

Answer:

The answer is 576

Step-by-step explanation:

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GHI = JKL. Which statement is FALSE.!?
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Answer choice C is false
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Oints<br> What is the value of 10y + 2 3x + 2) if x = -2 and y = 3?
cestrela7 [59]

Step-by-step explanation:

When x = -2 and y = 3,

10y + 2(3x + 2)

= 10(3) + 2[3(-2) + 2]

= 30 + 2(-4)

= 30 - 8

= 22.

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Radius OB measures x units. Which expression represents
777dan777 [17]

Answer:

Circumference of the smaller circle = 2.1x units

Step-by-step explanation:

Given question is incomplete; here is the complete question.

Two similar circles are shown. The circumference of the larger circle, with radius OB, is 3 times the circumference of the smaller circle, with radius OA. Radius OB measures x units. Which expression represents the circumference of the smaller circle with radius OA ?

Radius of the larger circle OB = x units

Radius of the smaller circle OA = y units

Circumference of larger circle = 2πx units

Circumference of smaller circle = 2πy units

Since circumference of larger circle is 3 times the circumference of smaller circle,

2πx = 3(2πy)

2πx = 6πy

x = 3y

y = \frac{x}{3}

Therefore, circumference of the smaller circle = 2\pi (\frac{x}{3}) units

                                                                             = \frac{2\pi x}{3} units

                                                                             = 2.094x

                                                                             ≈ 2.1x

Circumference of the smaller circle circle = 2.1x units

7 0
4 years ago
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