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Kruka [31]
3 years ago
7

in 1995, there were 12,000 students at Beacon High. In 2000, there were 12,250. What is the rate of change in the number of stud

ents
Mathematics
1 answer:
Masteriza [31]3 years ago
4 0

Answer:

Rate of change = 2.08%

Step-by-step explanation:

In 1995, 12,000 students

In 2000, 12,250 students

Rate of change = ((12,250 - 12,000)/12,000) × 100 .

= 250/12,000 × 100 = 2.08%

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Nikolay [14]

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3 years ago
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3 years ago
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3. Angles X and Y have a sum of 159 degrees. Angle X is 43 degrees smaller than angle Y.
Lesechka [4]

\underline{\underline{\large\bf{Solution:-}}}\\

\longrightarrowSince angle X and Y have a sum of 159

\implies \bf Y + X= 159 \_\_\_\_(1)

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\implies \bf Y - X = 43 \_\_\_\_(2)

<u>Adding Equation (1) and (2) </u>

\begin{gathered}\\\implies\quad \sf Y+X+Y-X = 159+43 \\\end{gathered}

\begin{gathered}\\\implies\quad \sf Y+Y + X-X = 202 \\\end{gathered}

\begin{gathered}\\\implies\quad \sf 2Y = 202 \\\end{gathered}

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\begin{gathered}\\\implies\quad \boxed{\sf {Y = 101 }} \\\end{gathered}

<u>Putting Y in eq (1)</u>

\begin{gathered}\\\implies\quad \sf X + 101 = 153 \\\end{gathered}

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\begin{gathered}\\\implies\quad \boxed{\sf{ X  = 52 }}\\\end{gathered}

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2 years ago
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