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What is the value of the expression 5ab−7b+c when a=3, b=3, and c=4? 13 24 28 39
Question
What is the value of the expression 5ab−7b+c when a=3, b=3, and c=4?
13
24
28
39
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Mathematics
3 years
2021-08-28T17:17:45+00:00
2021-08-28T17:17:45+00:00 2 Answers
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Answers ( )
Answer: the value of the expression is 28
Step-by-step explanation:
we simply substitute the letters in for the numbers.
5(3)(3) – 7(3) + (4)
we just multiply all of those together.
45 – 21 + 4
answer: 28
Answer:
the value of the expression is 28
Step-by-step explanation:
since we have already been given the values of a, b and c ,we must substitute them in the expression like this:
5(3)(3)-7(3)+4
28