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Mazyrski [523]
3 years ago
10

if the sum of a number and nine is tripled the results is seven less than twice the number. find the number

Mathematics
1 answer:
aliina [53]3 years ago
6 0
Here is the equation you need:

3(x + 9) = 2x - 7

You finish.
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Is 5/6 closer to 1, 1/2, or 2 and why?
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4 0
3 years ago
If the population of a certain city increased 25% in two years, the new population was what percent of the old?
disa [49]

Answer:

125%

Step-by-step explanation:

This because if in origin the city was made up for example by 100,000 people, that was the 100% of the city. Now you add the 25% in two years and the city will be made by 125,000 people. So <em>100%+25%=125%</em><em>.</em><em> </em>

I think it's right

7 0
3 years ago
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pickupchik [31]

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Option B is correct one

5 0
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