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Advocard [28]
3 years ago
10

Then solve the equation.6. The product of 6 and a number is 45.​

Mathematics
1 answer:
Rashid [163]3 years ago
6 0

Answer:

x= <u>15 </u>

     2

x= 7 1/2   or   x=7.5

Step-by-step explanation:

6x=45

Divide both sides of the equation by 6.

6x÷6= 45÷6

Write the division as a fraction.

x= <u>45 </u>

      6

Reduce the fraction with 3.

x= <u>15 </u>

     2

x= 7 1/2   or   x=7.5

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3 0
3 years ago
if Dakota earned $15.75 in interest in account A and $28.00 in interest in account B after 21 months. if the simple interest rat
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\bf ~~~~~~ \stackrel{\textit{account A}}{\textit{Simple Interest Earned}} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill &15.75\\ P=\textit{original amount deposited}\dotfill \\ r=rate\to 3\%\to \frac{3}{100}\dotfill &0.03\\ t=years\to \frac{21}{12}\dotfill &\frac{7}{4} \end{cases} \\\\\\ 15.75=P(0.03)\left( \frac{7}{4} \right)\implies \cfrac{15.75}{(0.03)\left( \frac{7}{4} \right)}=P\implies \boxed{300=P}


\bf ~~~~~~ \stackrel{\textit{account B}}{\textit{Simple Interest Earned}} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\dotfill &28\\ P=\textit{original amount deposited}\dotfill \\ r=rate\to 4.9\%\to \frac{4.9}{100}\dotfill &0.049\\ t=years\to \frac{21}{12}\dotfill &\frac{7}{4} \end{cases} \\\\\\ 28=P(0.049)\left( \frac{7}{4} \right)\implies \cfrac{28}{(0.049)\left( \frac{7}{4} \right)}=P\implies \boxed{326.53\approx P}


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3 0
3 years ago
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Ad libitum [116K]

Answer:

(\frac{13}{5};\frac{6}{5}).

Step-by-step explanation:

1)\left \{ {{5x=13} \atop {y=2x-4}} \right.  \ 2)\left \{ {{x=\frac{13}{5} } \atop {y=\frac{6}{5} }} \right.

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5 0
3 years ago
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