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lakkis [162]
3 years ago
12

Three fourths of a number decreased by nine is at least forty two

Mathematics
1 answer:
Serggg [28]3 years ago
3 0
Let n= the number 3/4n - 9 >_42 {n|n>_68}
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olga_2 [115]

Answer:

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jek_recluse [69]

Answer:

PQ=30

Step-by-step explanation:

Knowing that the segment has 3 parts that are 3:1:1 and sum up to 50, you could find how much 1 would equal by finding the total in relation to the ratio (doing 3+1+1) which gets you 5 parts. Then you can divide the total (50) by 5 to figure out how much one part would equal (10). Now, since you know that 1 part is equal to 10 and that PQ is 3 parts, you can find that PQ is equal to 3x10, or 30.

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