Evaluate the expression for the given value.
for

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Dec 05,2024

Question

Evaluate the expression for the given value. $$ \frac{2}{5} k-3 \frac{1}{2} \quad $$ for $$ \mathrm{k}=15 $$ $$ \square $$

UpStudy AI · Accepted Answer

Substitute $$ k=15 $$ into the expression $$ \frac{2}{5}k-3\frac{1}{2} $$.
Evaluate the expression by following steps:
- step0: Evaluate:
  $$\frac{2}{5}k-3\frac{1}{2}$$
- step1: Substitute:
  $$\frac{2}{5}	imes 15-3\frac{1}{2}$$
- step2: Convert the expressions:
  $$\frac{2}{5}	imes 15-\frac{7}{2}$$
- step3: Multiply the numbers:
  $$6-\frac{7}{2}$$
- step4: Reduce fractions to a common denominator:
  $$\frac{6	imes 2}{2}-\frac{7}{2}$$
- step5: Transform the expression:
  $$\frac{6	imes 2-7}{2}$$
- step6: Multiply the numbers:
  $$\frac{12-7}{2}$$
- step7: Subtract the numbers:
  $$\frac{5}{2}$$
The expression $$ \frac{2}{5}k-3\frac{1}{2} $$ evaluated for $$ k=15 $$ is equal to $$ 2\frac{1}{2} $$ or $$ 2.5 $$.
The expression evaluates to $$ 2\frac{1}{2} $$ or $$ 2.5 $$ when $$ k=15 $$.

Evaluate the expression for the given value.
for

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Evaluate the expression for the given value. for