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Rina8888 [55]
3 years ago
15

First step for solving x²+2x-11=4

Mathematics
2 answers:
Effectus [21]3 years ago
8 0
Subtract 4 from both sides
fenix001 [56]3 years ago
5 0

Answer:

subtract 4 on both side.

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3 years ago
What is the area of the sofa pictured?
Mademuasel [1]

Answer:

no, I did the work and I came with your same conclusion, but Im not that good with this type of math but In my terms I think its right

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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
NISA [10]

keeping in mind that 21 months is more than a year, since there are 12 months in a year,  then 21 months is really 21/12 years.


\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}


so, clearly, you can see who's greater.

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3 years ago
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3 years ago
Y=-2x+8 find y if x is 6
vitfil [10]

Answer:

When x is 6, y is -4

Step-by-step explanation:

Y = -2x + 8

Input x = 6:

Y = -2(6) + 8

Multiply:

Y = -12 + 8

Add:

Y = -4

5 0
3 years ago
Read 2 more answers
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