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dangina [55]
3 years ago
9

}{10} = \frac{4}{a-3}" alt=" \frac{2}{10} = \frac{4}{a-3}" align="absmiddle" class="latex-formula">
Solve the proportion, then leave the fraction in a fraction as simplest form. Thanks! :)
Mathematics
1 answer:
Alexxandr [17]3 years ago
7 0
Hello there!

Let's \ first \ rearrange \ the \ equation! \\ \\ (     2/10-(4/a-3)=0 ) \\ \\ we \ first \ simply \ simplify \ first \ \boxed{ \frac{4}{a} } \\ \\   \left[\begin{array}{ccc}\  \left[\begin{array}{ccc}\boxed{ \frac{2}{10}-( \frac{4}{a})-3)=0} \end{array}\right] \end{array}\right]  \\ \\ We \ then \ subtract \ its \ whole \ numbers. \\ \\ \boxed{3= \frac{3}{1} = \frac{3*a}{a} } \\ \\

\Longrightarrow   \left[\begin{array}{ccc}2/10-(4-3a)/a=\boxed{0}\end{array}\right]  \\ \\ we \ then \ simplify \ \boxed{1/5 \\ \\ 1/5-(4-3a)/a=0} \\ \\ \\ \boxed{\boxed{ \frac{a-((4-3a)*5}{5a} = \frac{16a-20}{5a} }} \\ \\  we \ then \ pull \ out \ some \ like \ terms . \\ \\   16a - 20  =   4 * (4a - 5) \\ \\  solve \  4   =  0 \ ; solve \ 4a-5 = 0 . \\ \\ 

\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow\Downarrow

\boxed{TAKE \ NOTICE} \\ \\ \\ \boxed{\boxed{ Add \  5  \ to \ both \ sides \ of  \ the \ equation : \   4a = 5 }} \\ \\ \\   \left[\begin{array}{ccc}  \left[\begin{array}{ccc}Divide  \ both \ sides \ of \ the \ equation \ by  \4: \\
                     a = 5/4 = 1.250 \end{array}\right] \end{array}\right]  \\ \\ \\ \boxed{\boxed{Your \ correct \ answers}}... \\ \\ \\ \boxed{  a = 5/4 = 1.250}

I hope this helps you Cher! 
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Algebra 1 (pic included)
Marizza181 [45]
If you are given that b = 2, then just plug it in:
2(2)-4 = 4-4 = 0

So, your final answer is 0.
3 0
3 years ago
Jada and Lin are comparing inches and feet. Jada says that the constant of proportionality is 12. Lin says it is 1/12 Do you agr
irinina [24]

Answer: Look up your exact question

Step-by-step explanation: The question you've asked has also been asked by another person on brainly, you could look at their answer. Link: brainly.com/question/11191408

4 0
3 years ago
What is $45.27 plus 16%?
Ghella [55]

Answer:

$52.51

Step-by-step explanation:

16% of 45.27 is 7.24

45.27 + 7.24 is $52.51

Hope this helps!

Stay safe!!

8 0
3 years ago
Read 2 more answers
Solve -2x ≤ -4. Graph the solution
horsena [70]
Https://us-static.z-dn.net/files/d2a/4dd214e6e402aa7e840049f27983c856.jpeg

3 0
3 years ago
O is the centre of the circle, EF is a tangent, angle BCE=28 degrees, angle ACD=31 degrees.
Yuki888 [10]

Answer:

a. 28˚

b. 76˚

c. 104˚

d. 56˚

Step-by-step explanation

a. because angle between tangent and chord is equal to the angle(s) in alternate segment.

b. because angles in triangles add up to 180˚, 180-28=152 and because isosceles triangle, 152/2=76˚

c. because angles in triangles add up to 180˚ and opposite angles in a cyclic quadrilateral add up to 180˚, 31+76=107, 180-107=73, 73-28=45, angles in triangle so 180-(31+45)=104˚

d. 28*2=56˚ because angles at circumference are half angles at centre

4 0
3 years ago
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