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ollegr [7]
4 years ago
8

What is 16=2n-2(3n 4)?

Mathematics
1 answer:
seraphim [82]4 years ago
4 0
Wasnt sure if it was 3n plus or minus 4, but i hope this helps .

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If k is a positive integer and n = k(k + 7), is n divisible by 6 ? (1) k is odd. (2) When k is divided by 3, the remainder is 2.
olganol [36]

Answer:

1.) Yes

2.) Yes

Step-by-step explanation:

Given that

n = k(k + 7)

If k is a positive integer and n = k(k + 7), is n divisible by 6 ?

(1) k is odd. Yes.

Let assume that k = 3

Then, n = 3(3 + 7)

n = 3 × 10

n = 30.

30 is divisible by 6.

(2) When k is divided by 3, the remainder is 2. That is,

Let k = 5

Then,

5/3 = 1 remainder 2

Substitute k into the equation

n = k(k + 7)

n = 5(5 + 7)

n = 5 × 12

n = 60

And 60 is divisible by 6.

Therefore, the answer to both questions is Yes.

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4 years ago
PLEASE HELP URGENT WILL MARK AS BRAINLIEST PLUS POINTS!!
Irina-Kira [14]
It think I would be 4.5 if it’s the same order as the left side
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3 years ago
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Convert into fraction:<br> 0.612<br> the 12 reapeating forever<br> plz help
Charra [1.4K]

Answer:

Step-by-step explanation:

x=0.6121212... (1)

10x=6.121212...   (2)

1000 x=612.121212...   (3)

(3)-(2) gives

990 x=606

330x=202

165x=101

x=(101)/165

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3 years ago
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Henry incorrectly said the rate 1/5/2/15 can be written as the unit rate 1/75 gallon per minute. What is correct unit rate? What
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Answer:d

Step-by-step explanation:

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3 years ago
PLEASE HELP! I WILL GIVE BRAINIEST TO THE CORRECT ANSWER!
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3 years ago
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