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irinina [24]
2 years ago
11

Which math expression means "45 less than an unknown number"?

Mathematics
2 answers:
Allushta [10]2 years ago
6 0

Answer:

D. x * 45

Step-by-step explanation:

this is unknown number, everyone can't answer if there is that mark (*)

mr_godi [17]2 years ago
4 0

Answer:

A because when you subtract x will be less than the unknown number

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Maureen went on a 3 day, 50 mile biking trip. The first day she biked 14.3 miles. The second day she biked 21.1 miles. How many
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Step-by-step explanation:

14.3 + 21.1 + x = 50

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x = 14.6 <=== she biked 14.6 miles on the 3rd day

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3 years ago
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sertanlavr [38]

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graph{(y-x^2)(y-x^2-6)=0 [-20, 20, -10, 10]}

Step-by-step explanation:

3 0
3 years ago
In horizontal analysis the percent change is computed by: a. Subtracting the analysis period amount from the base period amount.
Sonja [21]

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  b. Subtracting the base period amount from the analysis period amount, dividing the result by the base period amount, then multiplying that amount by 100%

Step-by-step explanation:

A percentage change can be computed from ...

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This best matches the description of choice B.

_____

<em>Comment on the answer</em>

The formula offered in the question will show the "percent change" from 100 to 103 as 3. It is not 3; rather, it is 3%. The final multiplication must be by 100% in order to arrive at the proper number.

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3 years ago
Arthur starts his first workout routine by doing 10 push-ups. Each workout after the first, he plans to do 2 more push-ups than
Reptile [31]

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50

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10 + (20x2) = 50

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