Evaluate the following expression using the values given: Find 2r2 + 3s3 − r2 + 4t2 − r2 if r = −2, s = −3, and t = 5. −19 −37 2

Question

REY [17]

2 years ago

9

Evaluate the following expression using the values given: Find 2r2 + 3s3 − r2 + 4t2 − r2 if r = −2, s = −3, and t = 5. −19 −37 2

7 19

Mathematics

1 answer:

crimeas [40] · Answer 1 · 2022-08-27T14:28:12+03:00

crimeas [40]2 years ago

5 0

2r² + 3s³ - r² + 4t² - r² = 3s³ + 4t²
<span>if s = -3 and t = 5
</span>3s³ + 4t² = 3 * (-3)³ + 4 * 5² = 3 * (-27) + 4 * 25 = -81 + 100 = 19

Answer: 19