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Firdavs [7]
2 years ago
11

Which step could be used to help isolate the variable in the following equation?

Mathematics
5 answers:
NemiM [27]2 years ago
7 0
Subtract 1.1j from both sides
Leno4ka [110]2 years ago
7 0
Solve the equation. y + 6 = –3y + 26
lozanna [386]2 years ago
7 0
Solve the equation. y + 6 = –3y + 26
Len [333]2 years ago
5 0

Answer:

I believe the answer is D

Step-by-step explanation:

geniusboy [140]2 years ago
5 0
Solve the equation. y + 6 = –3y + 26
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.580 80 repeating as fraction
denis-greek [22]
First off, we'll move the non-repeating part in the decimal to the left-side, by doing a division by a power of 10.

then we'll equate the value to some variable, and move the repeating part over to the left as well.

anyhow, the idea being, we can just use that variable, say "x" for the repeating bit, let's proceed,

\bf 0.580\overline{80}\implies \boxed{\cfrac{5.80\overline{80}}{10}}\qquad \textit{now, let's say }x= 5.80\overline{80}\\\\
-------------------------------

\bf thus\qquad \begin{array}{llll}
100\cdot x&=&580.80\overline{80}\\
&&575+5.80\overline{80}\\
&&575+x
\end{array}\qquad \implies 100x=575+x
\\\\\\
99x=575\implies x=\cfrac{575}{99}\qquad therefore\qquad \boxed{\cfrac{5.80\overline{80}}{10}}\implies \cfrac{\quad \frac{575}{99}\quad }{10}
\\\\\\
\cfrac{\quad \frac{575}{99}\quad }{\frac{10}{1}}\implies \cfrac{575}{99}\cdot \cfrac{1}{10}\implies \cfrac{575}{990}\implies \stackrel{simplified}{\cfrac{115}{198}}

and you can check that in your calculator.
4 0
2 years ago
Read 2 more answers
Elena makes banana bread and nut bread to sell at the market. A loaf of banana bread requires 2 cups of flour and 2 eggs. A loaf
Rainbow [258]

The answer is Elena could make 3 loaves of banana bread and 2 loaves of nut bread to maximize her profit

8 0
2 years ago
Read 2 more answers
There are 1024 bytes in a kilobyte. Write an expression that describes the number of bytes in a computer chip with n kkilobyte
Artyom0805 [142]

Step-by-step explanation:

1024 bytes = 1 kb

n kb = 1024 × n b

Where n is a positive number

4 0
2 years ago
Express 0.009238 to 3 significant figures​
adell [148]

Answer: = 9.238 * 10 ^ 3

6 0
2 years ago
Kate and Jean paint a house together in 6 days. If they work alone, Kate takes 5 fewer days than Jean would take to do the same
frutty [35]
Number of jobs=1

Time: 
<span>Since ‘x’ is given as a variable in the choices, we should reserve it for Kate and use ‘y’ for Jean as follows: </span>
<span>
Kate: => x </span>
<span>Jean: => y </span>

<span>But y = x - 5 </span>

<span>Combined rate: </span>
<span>1/x+ 1/y </span>
<span>= (x + y)/(xy) </span>

<span>Number of jobs done: </span>
<span>
Number of days X combined rate = number of jobs </span>
<span>6 [(x + y)/(xy)] = 1 </span>
<span>6x + 6y = xy </span>
<span>6x + 6(x - 5) = x(x - 5) </span>
<span>6x + 6x - 30 = x² - 5x </span>
<span>12x - 30 = x² - 5x </span>
<span>x² - 17x + 30 = 0 
</span>
Therefore, the answer would be A.
3 0
2 years ago
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