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konstantin123 [22]
2 years ago
15

R is inversely proportional to A.

Mathematics
1 answer:
SVETLANKA909090 [29]2 years ago
3 0

i  think it is b because i did the question

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A train covers a distance of 80 miles in 2 hours. At this rate, about how many hours will it take to cover a distance of 200 mil
Vadim26 [7]
Let's write miles over hours
80 / 2 = 200/ x
cross multiply
80x = 400
divide both sides by 80
x = 5

It will take 5 hours to cover 200 miles

Hope this helps :)
6 0
3 years ago
Simplify 3x^2y^4 x 2x^6y
Feliz [49]

Answer:

6x^8y^5

Step-by-step explanation:

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add the exponents for the variables

8 0
3 years ago
The sum of 2 times a number and 4 equals 3 <br> HELP ASAP
AlexFokin [52]

Answer:

The number is - ½

Step-by-step explanation:

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5 0
2 years ago
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do you think that a negative sign affects whether or not a number is rational number? Use -8/5 an example.
lina2011 [118]

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5 0
3 years ago
If sam grows 2/3 cm a day, how much taller will he be in 30 days?
Papessa [141]

Answer:20cm

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2/3×30/1=(2×30)/(3×1)=60/3=20cm

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