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PIT_PIT [208]
3 years ago
11

Find the value of the lesser root of x2 - 6x + 8 = 0. A) -4 B) -2 C) 2 D) 4

Mathematics
1 answer:
tino4ka555 [31]3 years ago
7 0

Answer:

The lesser root is 2..

Explanation:

x² - 6x + 8 = 0

x² -4x - 2x + 8 = 0

x(x - 4) -2(x - 4) = 0

(x - 2)(x- 4) = 0

x = 2 or 4

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in a plantation,there are 230 trees in a row. There are at least 3 papaya trees between any 2 rambutan trees. What is the larges
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Answer:

  58

Step-by-step explanation:

The total number of trees in a row that starts and ends with a rambutan tree is ...

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So, the number of rambutan trees that there can be in a row of 230 trees is ...

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  4n ≤ 233

  n ≤ 233/4 = 58 1/4

The largest possible number of rambutan trees in a row of 230 trees is 58.

_____

1 rambutan tree: R . . . n=1, tree count = 1

2 rambutan trees: RpppR . . . n=2, tree count = 5

3 rambutan trees: RpppRpppR . . . n=3, tree count = 9

The tree count is an arithmetic sequence with first term 1 and common difference 4. Then the n-th term of the sequence is ...

  tn = a1 +d(n -1) = 1 +4(n -1) = 4n -3

Term 58 is ...

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So, the row of trees might be ...

  RpppRppp ... RpppRpppRp . . . . with 58 R and 172 p.

7 0
3 years ago
What expression is equivalent to 6x + 13 - 3x -7
Nitella [24]

Answer:

the answer is 3x+6

Step-by-step explanation

You can reorder it like this

6x+13-3x-7=6x-3x+13-7= <em><u>3x+6.</u></em>

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There are only red counters and blue counters in a bag the ratio of the number of red counters to the number of blue counters is
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Answer:

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