Which number line shows |-3|, |-8| ,| -2| , and |5| ?

Mathematics

1 answer:

Aleks [24]4 years ago

4 0

Well, the absolute value of a number would always be positive, which means the dots on the line is going to be on the right side of 0. In the choices, the only number line that qualifies is C.

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Given that 3x+2y=5a+b and 4x-3y=a+7b, solve for y-x in terms of a and b.

Eduardwww [97]

Answer:

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Step-by-step explanation:

Given-

3 x + 2 y = 5 a + b...................(i)

4 x - 3 y = a + 7 b.....................(ii)

Multiply by 3 and 2 in equation (i) & (ii) respectively-

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9 x + 6 y = 15 a + 3 a...................(iii)

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3 years ago

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Anuta_ua [19.1K]

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3 years ago

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Consider this right triangle with given measures what is the unknown length

DIA [1.3K]

Answer:

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Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

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b² + 12² = 15²

b² + 144 = 225 ( subtract 144 from both sides )