Question

17p-14,2p+8 2/3p-4 2/5p при p=0,5 Даю 15 баллов!!!!!!!!!!!!!!!​

Answer 1

Ответ:

3 8/15 ≈ 3,53333333333333333333333

Пошаговое объяснение:

Упростим

р(17-14,2+8 2/3 - 4 2/5)=р(2,8+8 2/3- 4 2/5)= р(2 8/10 + 8 2/3 - 4 2/5)=р(2 24/30+ 8 20/30 - 4 12/30)=р((2+8-4)(24/30+20/30-12/30))=6 32/30р=7 2/30р= 7 2/30*0,5=7 2/30 * 1/2= 212/30*1/2=212/60=3 32/60=3 8/15

Answer 2

To find the value of the expressions for the given value of p, simply substitute p=0.5 into each expression and calculate the result:

1. For 17p - 14: 17 * 0.5 - 14 = 8.5 - 14 = -5.5

2. For 2p + 8: 2 * 0.5 + 8 = 1 + 8 = 9

3. For 2/3p - 4: (2/3) * 0.5 - 4 = 1/3 - 4 ≈ -3.6667

4. For 2/5p: (2/5) * 0.5 = 1/5 = 0.2

So, for p=0.5:

17p - 14 = -5.5 2p + 8 = 9 2/3p - 4 ≈ -3.6667 2/5p = 0.2

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