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stellarik [79]
4 years ago
5

a metal Rod 9.4 meters long is cut into two pieces. one piece is 3 times as long as the other what is the length of the longer p

iece in meters?
Mathematics
1 answer:
Dennis_Churaev [7]4 years ago
4 0
9.4=x+3x
x=2.35
the longer piece is 7.05
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artcher [175]

Solution :

1st -

  • - 3 \times 5 \times ( - 6) \times 4
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  • 90 \times 4
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2nd -

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  • 24 \times ( - 3) \times ( - 5)
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3rd -

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  • - 12 \times ( - 2) \times ( - 7)
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4th -

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RideAnS [48]
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8. Is the following statement true or false? Justify your conclusion. If a and b are nonnegative real numbers and a + b =0, then
atroni [7]

Answer:

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a  | b | a + b (answer)

0 | 0 | 0

0 | 1  | 1

0 | 2 | 2

1  | 0 | 1

2 | 0 | 2

1  | 1  | 2

2 | 1  | 3

 

Step-by-step explanation:

Considering the following conditions for the real numbers:

a\geq 0\\b\geq 0

Following the rules of these in-equations, it is possible to deduce:

a + b \geq 0

Then, if the proposed statement is:

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The conditions above shall comply the requirements established, but first, analyzing the statement:

If a \geq 0 and b \geq 0 then a + b \geq a, a + b \geq b and a + b \geq 0.

If a = 0 and b a non negative real number, then a + b \geq b, but because to a = 0, then a + b = b. Due to the commutative property of sums, the same behavior will be presented if b = 0 and a a non negative real number.

According to that, if  a + b = 0, then a = 0 and b = 0.

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Answer:

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Step-by-step explanation:

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Answer:

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