3 years ago

There are 12 481 people at a concert.

Mathematics

1 answer:

Lilit [14]3 years ago

5 0

Answer:

I think you need the amount of boy children to solve this.

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How to solve this equation

mariarad [96]

$\bf \sqrt{5x+19}-4=3x-15
\\\\
\sqrt{5x+19}=3x-15+4\\\\ \sqrt{5x+19}=3x-11\leftarrow \textit{square both sides}
\\\\
(\sqrt{5x+19})^2=(3x-11)^2
\\\\
5x+19=(3x-11)^2\qquad 
\begin{cases}
(3x-11)^2\to (3x-11)(3x-11)\\
 --------------\\
\textit{or use FOIL to expand it}
\end{cases}$

then solve for "x"

7 0

3 years ago

The pack of 300 markers has a cost of $14.00. What is the UNIT COST for the markers? In other words, how much does each marker c

leva [86]

Answer:

Step-by-step explanation:

14/300=0.04

8 0

3 years ago

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Coach Posey has $10,000 to invest. He can go to Bryant Bank that pays 5% simple interest or Hornets Bank that pays 4% interest c

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