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34kurt
3 years ago
8

Help plz what is the answer

Mathematics
1 answer:
SpyIntel [72]3 years ago
3 0

Answer:

x=50

Step-by-step explanation:

\frac{x}{5}+15=25\\ \frac{x}{5}+15 -15 =25 - 15 \leftarrow\text { Use the Subtraction Property of Equality}\\

\frac{x}{5}=10\\\\\frac{x}{5}*\frac{5}{x} =10*5\leftarrow \text { Multiplication Property of Equality}  \\\\\boxed{x=50}

<h3>Checking by Substitution:</h3>

\frac{50}{5} +15=25\\\rightarrow 50/5=10\\10+15=25\\\boxed {25=25}

'x = 50' is correct.

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15,\ 1,\ 4,\ 4,\ 8,\ 7,\ 15,\ 4,\ 15,\ 4,\ 5\to\underbrace{1,\ 4,\ 4,\ 4,\ 4,\ 5,\ 7,\ 8,\ 15,\ 15,\ 15}_{11}\\\\mean=\dfrac{1+4+4+4+4+5+7+8+15+15+15}{11}=\dfrac{82}{11}\approx7.5\\\\median:1,\ 4,\ 4,\ 4,\ 4,\ \boxed{5},\ 7,\ 8,\ 15,\ 15,\ 15\\\\mode:1,\ \underbrace{4,\ 4,\ 4,\ 4}_{4},\ 5,\ 7,\ 8,\ 15,\ 15,\ 15

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