$Least\ common\ denominator:\\\\\frac{7}{9}\ \ \ \frac{5}{12}\ \ we\ need\ to\ find\ number\ which\ can\ be\ divided\ by\ 12\ and\ 9\\\\\frac{7\cdot4}{9\cdot4}\ \ \ \frac{5\cdot3}{12\cdot3}\\\\\frac{28}{36}\ \ \ \frac{15}{36}\\\\Answer\ A.$

5 0

2 years ago

Read 2 more answers

Which are solutions to the following equation? x^2=21

creativ13 [48]

Answer:

√

Explanation:

To find

you have to find the square root of

21 x = ± √ 21 ≈ ± 4.5286

Step-by-step explanation:

4 0

2 years ago

The total income from the sale of cheeseburgers was what percent greater in 2004 than in 2003?

sveticcg [70]

$\bf \begin{array}{|c|c|c|ll} \cline{1-3} year&quantity&price\\ \cline{1-3} 2003&Q&P\\&&\\ 2004&20\%Q+Q&\\&&\\ &\frac{20}{100}Q+Q&\\&&\\ &1.2Q&\\&&\\ &&10\%P+P\\ &&\frac{10}{100}P+P\\&&\\ &&1.10P\\ \cline{1-3} &&\\ &(1.2Q)&(1.10P)\\ \cline{1-3} \end{array}\qquad \begin{array}{llll} \stackrel{\textit{revenue for 2003}}{(Q)(P)}\implies QP\\\\ \stackrel{\textit{revenue for 2004}}{(1.2Q)(1.10P)}\implies 1.32QP \end{array}$

7 0

2 years ago

Add the two questions -6.5b + 11 and 3.3b - 2​

Add the two questions -6.5b + 11 and 3.3b - 2