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WITCHER [35]
3 years ago
10

What is the value of the expression 9r-5s+3 to the 3rd power if r=2/3 and s= -2

Mathematics
2 answers:
iragen [17]3 years ago
7 0

Answer:

<h2>\huge \boxed{43}</h2>

Step-by-step explanation:

9r - 5s +  {3}^{3}

plug the values

= 9 \times  \frac{2}{3}  - 5 \times ( - 2) +  {3}^{3}

Reduce the numbers with Greatest Common Factor 3

= 3 \times 2 - 5 \times ( - 2) +  {3}^{3}

Multiply the numbers

= 6 + 10 + 27

Calculate the sum of positive numbers

= 43

Hope I helped..

Best regards!

kramer3 years ago
5 0

Answer:

43

Step-by-step explanation:

(9r-5s+3^3)

Let r = 2/3  and s = -2

(9 * 2/3-5* -2+3^3)

(6+ 10+27)

43

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