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Advocard [28]
3 years ago
10

What is the smallest prime factor of 1821?

Mathematics
2 answers:
____ [38]3 years ago
8 0

Prime factor is a number that can be divided by itself and 1 to get the quotient 0. so according to 1821 this can be divided by 1 and 3 to get a 0 quotient so because 1(unique number ) is not considered as a prime factor 3 is the answer for this question.

GarryVolchara [31]3 years ago
3 0

Answer: 3×607

Step-by-step explanation:

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Answer:

Length of the boxes are 17 in, 35 in, 17 in.

Step-by-step explanation:

The given question is incomplete: please find the complete question in the attachment.

A). From Box - (1)

Area of the box = 289 in.²

Expression that denotes the area of the box = 36x² - 12x + 1

So, 36x²- 12x + 1 = 289

(6x)² - 2(6)x + (1)² = (17)²

(6x - 1)² = (17)² [ Since (a² - 2ab + b²) = (a - b)²]

Given box is a square having sides = (6x - 1) in.

∵ (6x - 1)² = 17

⇒ 6x = 18

⇒ x = \frac{18}{6} = 3

Now length of the sides = (6x - 1) = 17 in.

B) Box - (2)

Similarly, 25x²- 50x + 25 = 1225

(25x² - 50x + 25) = (35)²

(5x - 5)² = (35)²

5(x - 1) = 35 ⇒ x = 8

Here length of one side of the box is 5(x - 1) = 5(8 - 1) = 35in.

C). Box - (3)

49x² - 56x + 16 = 289

(7x)² - 2×(7x)(4) + 4²= (17)²

(7x - 4)² = (17)²

Length of each side = (7x - 4) in.

From, (7x - 4)² = (17)²

7x - 4 = 17

⇒ x = \frac{21}{7}

⇒ x = 3

Therefore, length of each side of the box = (7x - 4) = 17 in.

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2 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

By the exterior angle theorem, x=39+38=77.

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Answer:

1/16

Step-by-step explanation:

1/2 of 1/2 is 1/4 then 1/4 of 1/4 is 1/16

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Solve for a: a - 17 = -10
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Answer:

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Step-by-step explanation:

a - 17 = -10

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