3 years ago

(2x-5y)^2 (3y+4t)^2 (3-2x)^2 (xy-t)^2 (5x+4x)^2 (9x+7y)^2

Mathematics

1 answer:

garri49 [273]3 years ago

8 0

the first attachment is the problem factored

hope this helps

the other attchments are things that i can relate to

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Caroline resting heart is 52 beats per minute (bpm). When she starts running her heart rate increases 1.25% each second until it

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Answer:74.55 beat per minute

Step-by-step explanation:

Given

Heart beat is 52 beat per minute

i.e. $B=\frac{52}{60}$ beat per sec

If heart rate is increases 1.25 % each sec

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$B_2=B+1.25 \% B$

$B_2=B(1+1.25 \% )$

For 3 rd sec

$B_3=B(1+1.25\%)+1.25\%B(1+1.25\%)$

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similarly for 3 sec

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$B_{30}=74.55\ \text{beat per minute}$

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