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bogdanovich [222]
2 years ago
6

2x=26 what calculation would need to be done to solve this problem

Mathematics
2 answers:
sesenic [268]2 years ago
8 0

Answer:

x=13

Step-by-step explanation:

2x=26

x=26/2

x=13

..........

Alex73 [517]2 years ago
6 0

Answer:

x=13

Step-by-step explanation

First, you get rid of the x by doing 26 divided by 2 the 2 divide by 2 cancels out.

The inverse of multiplication is division so you divide.

x will equal the number you got by dividing 26 by 2.

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Andrew
PilotLPTM [1.2K]
Let's say Bailey takes "b" days to paint it.

and Andrew takes "a" days to paint the same house.

now, Andrew is 6 times faster than Bailey, therefore, if Andrew takes "a" days to do it, Bailey takes then "6a" days, or b = 6a.

now, the year they worked together, they finished it in 7 days.

so, after 1 day then, they have only done 1/7 of the whole work.

and Andrew for one day, has done 1/a of the house, whilst Bailey has done 1/b of the house or 1/(6a).

\bf \stackrel{\textit{Andrew's rate}}{\cfrac{1}{a}}+\stackrel{\textit{Bailey's rate}}{\cfrac{1}{b}}=\stackrel{\textit{1 day of work}}{\cfrac{1}{7}}
\\\\\\
\cfrac{1}{a}+\cfrac{1}{6a}=\cfrac{1}{7}\impliedby 
\begin{array}{llll}
\textit{let's multiply all by }\stackrel{LCD}{42a}\textit{ to toss the}\\
denominators
\end{array}

\bf 42a\left( \cfrac{1}{a}+\cfrac{1}{6a} \right)=42a\left( \cfrac{1}{7} \right)\implies 42+7=6a\implies \cfrac{49}{6}=a
\\\\\\
\stackrel{days}{8\frac{1}{6}}=a
\\\\\\
\textit{how many days will it take Bailey then?}\quad b=6a
\\\\\\
b=6\cdot \cfrac{49}{6}\implies b=\stackrel{days}{49}
6 0
3 years ago
0.6 rounded to the nearest tenth
Alex73 [517]

Answer:

1.0

Step-by-step explanation:

The 6 is bigger than 5, so that bups the number up to 1.0.

4 0
2 years ago
The formula below gives T the approximate time in years it takes a population to double if the annual growth rate is r percent
valkas [14]
T=70/r
T=70/4.6
T=15 years

It's b
6 0
3 years ago
Read 2 more answers
Please please please help I really need help I will give you 10 points!
Zigmanuir [339]

5.057 because 3.89 times 1.3 = 5.057

4 0
2 years ago
12=3y-y+4y plz help me with this problem
Diano4ka-milaya [45]
Y=<span>2 is your answer. Hope this helps :)</span>
3 0
3 years ago
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