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kodGreya [7K]
3 years ago
5

Does anyone one how to solve this problem

Mathematics
1 answer:
aliya0001 [1]3 years ago
5 0
( \frac{2}{3} - \frac{1}{6} )÷( \frac{2}{5} - \frac{1}{3} )
The first thing you must do it to solve the fractions inside the parentheses first
\frac{2}{3} - \frac{1}{6} = \frac{4}{6} - \frac{1}{6} which is \frac{3}{6} or \frac{2}{3}because you must get a common denominator in order to solve. The common denominator is 6. So you must multiply in order to get 6. \frac{2}{3} *6= \frac{3}{6} Then you do the other fraction: \frac{2}{5} - \frac{1}{3}= \frac{6}{15}  - \frac{5}{15} which is \frac{1}{15} because 15 is the common denominator and you must multiply the denominator to get 15, thus, you must multiply by the same amount for the numerator. So now it is \frac{3}{6}÷\frac{1}{15} but when dividing, you just need to flip-flop the second fraction and then multiply across. Now it is \frac{3}{6} * \frac{15}{1} = \frac{45}{6} But to simplify, you find a common factor which is 3.
45÷3=15 and 6÷3=2 which is now \frac{15}{2}
You answer is C)\frac{15}{2}
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Please can someone help me with this question
sasho [114]

<em>Answer:</em>

<em>r = -</em>\frac{6a}{1-5m^2}<em />

<em>Step-by-step explanation:</em>

<em>Rewrite the equation as </em>\sqrt{x} 6a+r/5r<em>  = m</em>

<em>Remove the radical on the left side of the equation by squaring both sides of the equation.</em>

<em>(</em>\sqrt{\frac{6a+r}{5r} )^{2}<em> = m^2</em>

<em>Then, you simplify each of the equation. </em>

<em>Rewrite: (</em>\sqrt{\frac{6a+r}{5r} )^{2}<em> as </em>\frac{6a+r}{5r} = m^{2}<em />

<em>Remove any parentheses if needed.</em>

<em>Solve for r. </em>

<em>Multiply each term by r and simplify."</em>

<em>Multiply both sides of the equation by  5.</em>

<em>6a+r= m^2r⋅(5)</em>

<em>Remove parentheses.</em>

<em>Move 5   to the left of (m ^2)  r </em>

<em>6a+r=5m^2)r</em>

<em>Subtract  5m^2)r  from both sides of the equation.</em>

<em>6a+r-5m^2)r=0</em>

<em>Subtract  6a  from both sides of the equation.</em>

<em>r-5m^2)r=-6a</em>

<em>Factor  r out of  r-5m^2)r  </em>

<em>r(1-5m^2)=-6a</em>

Divide each term by 1-5m^2 and simplify.

r = - \frac{6a}{1-5m^2}

There you go, hope this helps!

4 0
3 years ago
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Fudgin [204]

Answer:

Dependent variable is a response variable

Step-by-step explanation:

Search up definition for response variable and it literally saids it's another word for dependent variable haha

3 0
3 years ago
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Elodia [21]

Answer:

EG is 19 units

Step-by-step explanation:

Let us solve the question

∵ Lines CD and EF intersected at point G

∴ CD = CG + GD

∴ EF = EG + GF

∵ Line EF bisects line CD

→ That means G is the midpoint of CD

∴ CG = GD

∵ CG = 5x -1

∵ GD = 7x - 13

→ Equate them to find x

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→ Subtract 5x from both sides

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→ Subtract 13 from both sides

∵ 32 - 13 = EG + 13 - 13

∴ 19 = EG

∴ EG = 19 units

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vovangra [49]

Answer:

25

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3 years ago
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