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lord [1]
3 years ago
9

Estimate the quotient. 6 2/5 ÷ 2 6/7 ? A) 2 B) 4 C) 5 D) 3 and please explain it . ty

Mathematics
1 answer:
algol [13]3 years ago
8 0

6 2/5 ÷ 2 6/7


2/5 is smaller than 1/2 ⇒ discard
6 2/5 ≈ 6

6/7 is more than 1/2 ⇒ add 1 to the whole
2 6/7 ≈ 3

6 2/5 ÷ 2 6/7 ≈ 6 ÷ 3 = 2


Answer: (A) 2

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Step-by-step explanation:

To develop a molecular clock, you need to find which of the following?

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3 years ago
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3 years ago
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one number is 1 more than 2 times another. if their sum is increased by sevan, the result is twenty six
Lady bird [3.3K]

the numbers are 6 and 13

let x be one of the numbers then the other is 2x + 1

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3x + 8 = 26

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divide both sides by 3

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3 years ago
A line that includes the points (8,1) and (k,9) has a slope of 8. What is the value of k?
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Step-by-step explanation:

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8 0
3 years ago
Please help someone
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The first equation is x = -1

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We can tell each one by solving them. In the first one, you get the following.


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4 + 9x = -5 ----> Subtract 4 from both sides

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For the middle two, when you attempt to solve, you get untrue statements. This shows there are no solutions. See the example below.


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And for the last one, each term cancels out, which shows that we have all real solutions.


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-3x + 3 = 3 - 3x ----> Add 3x to both sides

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8 0
3 years ago
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