2 years ago

16)

Mathematics

1 answer:

Firdavs [7]2 years ago

6 0

The answer is buying 2 pairs for $100

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lora16 [44]

Answer:

Option C. -3x^2-13x-5

Step-by-step explanation:

we know that

To find how much greater is the area of room A than the area of room B. subtract the area of room B from the area of room A

$(5x^{2}-7x-6)-(8x^{2}+6x-1)\\ \\= (5x^{2}-7x-6)-8x^{2}-6x+1\\ \\=(5x^{2}-8x^{2})+(-7x-6x)+(-6+1)\\ \\=-3x^{2} -13x-5$

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2 years ago

the ages of amit and archana are in ratio of 4:5 if amit age is 4 years 8 month old.find the age of archana

xxTIMURxx [149]

For easier calculation,
convert 4years 8months into months. This would give you 56months.
Amit is 56months old.
4 units/proportion =56
1 unit=56/4
5unit=56/4 ×5(simplify)

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andrey2020 [161]

Answer:

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Step-by-step explanation:

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olga_2 [115]

Rafael walks 22.5 km in 9 days.

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