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luda_lava [24]
2 years ago
14

If a ÷ b = 2 and b ÷ c =3/4, what is the value of c ÷ a? Express your answer as a common fraction.

Mathematics
2 answers:
liberstina [14]2 years ago
8 0

Answer:

a/b = 2

so , a = 2b

b/c = 3/4

so , c = 4b/3

c/a = (4b/3) / 2b

which gives 2/3

Step-by-step explanation:

rewona [7]2 years ago
5 0

Step-by-step explanation:

\frac{b}{c}  =  \frac{3}{4}  \\  3c = 4b \\ c =  \frac{4b}{3}

\frac{a}{c}  = 2 \\ a = 2b

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Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer/how I got this answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

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Answer:

5.89 g/cm³

Step-by-step explanation:

givens,

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Step-by-step explanation:

7 0
3 years ago
Graphing inequality's
Pani-rosa [81]

Answer :

\boxed{\textsf {The red area is the required answer . }}

Step-by-step explanation:

A linear inequality in two variables is given to us and we need to plot it's graph .So the the given inequality is ,

\sf\implies y \geq- \dfrac{1}{5}x +5

So firstly let's simplify out the inequality for easy plotting of the graph .

\sf\implies y \geq- \dfrac{1}{5}x +5 \\\\\sf\implies y \geq \dfrac{-x+5(-5)}{5}\\\\\sf\implies y \geq \dfrac{-x-25}{5}\\\\\sf\implies y \geq -(1)\dfrac{x+25}{5}

Now let's put some values of x to get values of y .

• Firstly put x = 0 then we get , y is greater than or equal to 0+5/5 (-1) = 5/5(-1) = -1 . Hence we get y ≥ (-1) .

• Secondly put x = 1 , then we get , y is greater than or equal to 1+5/5(-1)=6/5(-1) = -6/5 . Hence we get y ≥ -6/5 .

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• Fourthly put x = (-5) , then we get y is greater than or equal to -5+5/5(-1) = 0 .Hence we get y ≥ 0 .

With reference to these let's plot a graph . For the graph kindly refer to the attachment :) .

Here in the graph the red area shows the possible values of x and y .

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