3 years ago

8 x y =369 y = ? y x 9 = 63 y = 6 + y =?

Mathematics

1 answer:

Nina [5.8K]3 years ago

7 0

Answer:

1. 46.125

Step-by-step explanation: Is your second one in the right format? I don't understand what it is asking. For the first one, however, you need to free the y being multiplied to 8 and so you are going to undo it by dividing 369 by 8.

You might be interested in

7^2•3^2+(1+2)^0•3-4^2•1

Kamila [148]

7^2•3^2+(1+2)^0•3-4^2•1
= 49•9 + 1•3 - 16•1
= 441 + 3 - 16
= 428

6 0

3 years ago

Audrey deposited $40,000 in a savings account with simple interest. Five years later, she had earned $30,000 in interest. What w

Fittoniya [83]

$~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill&\$30000\\ P=\textit{original amount deposited}\dotfill & \$40000\\ r=rate\to r\%\to \frac{r}{100}\\ t=years\dotfill &5 \end{cases} \\\\\\ 30000=(40000)(\stackrel{\%}{\frac{r}{100}})(5)\implies \cfrac{30000}{(40000)(5)}=\cfrac{r}{100}\implies \cfrac{3}{20}=\cfrac{r}{100} \\\\\\ \cfrac{300}{20}=r\implies \stackrel{\%}{15}=r$