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Question Evaluate the expression when k = 3 and j = 10. (5k−j)2+2k Responses 80 80 45 45 31 31 20
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Apr 27, 2023
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Question
Evaluate the expression when k = 3 and j = 10.
(5k−j)2+2k
Responses
80
80
45
45
31
31
20
Mathematics
high-school
RamC
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RamC
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1
Answer
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Answer:
31
Explanation:
Given
Expression (5k − j)² + 2k
Evaluate
When k = 3, j = 10
Solution
Substitute
and calculate:
(5k − j)² + 2k =
(5*3 - 10)² + 2*3 =
(15 - 10)² + 6 =
5² + 6 =
25 + 6 =
31
Andre Soares
answered
May 1, 2023
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Andre Soares
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