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AysviL [449]
3 years ago
7

How to solve all fraction algebra?

Mathematics
1 answer:
kap26 [50]3 years ago
7 0

Answer:

-  \frac{1}{5}  -  \frac{4}{9} a =  \frac{2}{15}

-  \frac{4}{9} a =  \frac{2}{15}  +  \frac{1}{5}  \\  \\  -  \frac{4}{9} a =  \frac{1}{3 }  \\  \\  ( - 4 \times 3)a = (1 \times 9) \\  - 12a = 9 \\ a =   - \frac{9}{12}  \\  \\ { \underline{ \:  \: a =   - \frac{3}{4}  \:  \: }}

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Between 2004 and 2005, oil production in Australia fell from 731,000 to 537,500 barrels per day. What was the percentage decreas
jekas [21]
In this question, the oil production at 2004 (which was 731000barrel/day) was reduced at 2005(into 537500 barrel/day). You are asked the percentage reduction. To answer this, you need to determine how much the decrease in barrel/day then divide it by the initial production before reduced(production at 2004)
The reduction would be: 731,000 barrels/day - 537,500 barrels/day = 193,500 barrels/day
Then divide it with initial production: (193,500barrels/day )/(731,000 barrels/day) * 100% = 26.47%
3 0
3 years ago
1/3(9x-24) x simplify the expression
pav-90 [236]
I hope this helps you



1/3 (9x-24)


1/3.9x-1/3.24


3x-8
7 0
3 years ago
Machine A can complete a certain job in x hours. Machine B can complete the same job in y hours. If A and B work together at the
scZoUnD [109]

Answer:

\frac{y}{x+y}

Step-by-step explanation:

The required answer is the rate at  which Machine A  works when the two machines are combined.

Note: the rate of doing work is express as

rate=\frac{1}{time taken} \\

Hence we can conclude that Machine A working rate is

machine A=\frac{1}{x} \\ and machine B working rate is

machine B=\frac{1}{y} \\

When the two machine works together, the effective working rate is

\frac{1}{x}+\frac{1}{y}\\\frac{xy}{x+y}\\

The fraction of the work that Machine B will not have complete because of Machine A help is the total work done by machine A

Hence the fraction of work done by A is expressed as

\frac{1}{x}*combine working rate

\frac{1}{x}*\frac{xy}{x+y}\\\frac{y}{x+y} \\

Hence the fraction of the work that Machine B will not have complete because of Machine A help is the total work done by machine A is \frac{y}{x+y} \\

6 0
3 years ago
Please help asap, it would be much appreciated!! :) Thank you so much!!
LiRa [457]

Statement 1 is false.

While it is true that some of the y-values have more than one corresponding x-value, this does not make the relation not a function.  It would not be a function if some of the <em>x-values</em> had more than one corresponding y-values.

Statement 2 is true.

The domain of a function is all the x-values it encompasses.  This function starts at 3 and ends at 8.

Statement 3 is false.

The range of a function is all the y-values it encompasses.  This includes all the y-coordinates, but it does not express the range properly.  The range is [6, 10].

Hope this helps!!

5 0
3 years ago
Given the formula for the perimeter of a rectangle where l represents the length and w represents the width.
telo118 [61]
The answer would be b) the 2 represents the two width pairs
4 0
4 years ago
Read 2 more answers
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