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Eva8 [605]
3 years ago
6

Find 5.5x when x=7.5

Mathematics
2 answers:
dsp733 years ago
8 0

Answer:

41.25

Step-by-step explanation:

5.5(7.5) <em>Stubstitue the varuable for the value</em>

41.25 <em>Multiply</em>

lorasvet [3.4K]3 years ago
5 0

Answer:

41.25

Step-by-step explanation:

if x=7.5 in order to find 5.5x you would multiply 5.5 by 7.5

=41.25

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Which expression is equivalent to (-1.3x-4.5) - (-2.1x+3.6)?
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Equivalent expressions are expressions with the same value.

The equivalent expression of (-1.3x - 4.5)- (-2.1x + 3.6) is 0.8x -8.1

Given that:

(-1.3x - 4.5)- (-2.1x + 3.6)

Open brackets

(-1.3x - 4.5)- (-2.1x + 3.6) = -1.3x - 4.5+ 2.1x - 3.6

Collect like terms

(-1.3x - 4.5)- (-2.1x + 3.6) = -1.3x + 2.1x - 4.5 - 3.6

(-1.3x - 4.5)- (-2.1x + 3.6) = 0.8x -8.1

Hence, the equivalent of (-1.3x - 4.5)- (-2.1x + 3.6) is 0.8x -8.1

Read more about equivalent expressions at:

brainly.com/question/18257981

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