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Questions and Answers
What is the value of $5c + 2$ if $c = 6$?
What is the value of $5c + 2$ if $c = 6$?
- 27
- 32 (correct)
- 30
- 40
What is the value of $4a - b$ when $a = 9$ and $b = 8$?
What is the value of $4a - b$ when $a = 9$ and $b = 8$?
- 32
- 28
- 30
- 26 (correct)
Find the value of $12h + 9t$ when $h = 11$ and $t = 3$.
Find the value of $12h + 9t$ when $h = 11$ and $t = 3$.
- 135 (correct)
- 159
- 111
- 123
Which expression has the greatest value when $y = 10$?
Which expression has the greatest value when $y = 10$?
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If $x(a) = 6$ and $y = -2$, find the value of $5x + y$.
If $x(a) = 6$ and $y = -2$, find the value of $5x + y$.
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Study Notes
Evaluating Expressions
- The value of $5c + 2$ is 32 when $c = 6$.
- The value of $4a - b$ is 28 when $a = 9$ and $b = 8$.
- The value of $12h + 9t$ is 171 when $h = 11$ and $t = 3$.
- To find the expression with the greatest value when $y = 10$, substitute the value of $y$ into the expression.
- The value of $5x + y$ is 28 when $x(a) = 6$ and $y = -2$.
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