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luda_lava [24]
3 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]3 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]3 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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Shane and Abha earned a team badge that required their team to collect no less than 2000 cans for recycling. Abha collected 178
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Answer: [911,∞)


Step-by-step explanation:

Given: S be the number of cans collected by Shane.

Since,  Abha collected 178 more cans than Shane did.

Then, the number of cans collected by Abha = S+178

Also, Shane and Abha earned a team badge that required their team to collect no less than 2000 cans for recycling.

So, S+178+S\geq2000

\\\Rightarrow\ 2S\geq2000-178\\\Rightarrow2S\geq1822\\\Rightarrow\ S\geq911

Hence, the solution set of the inequality will be [911,∞)


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3 years ago
Given that f(x)=2x+2 evaluate f(1)+f(5)
Svetlanka [38]

Answer:

16

Step-by-step explanation:

To solve this, you need to evaluate the function at f(1), which just means that you have to plug in 1 for any x you see in the equation. For example, here f(1) = 2(1) + 2 which simplifies to 4. Next find f(5). By doing the same process you will find that this is 12. The problem asks for f(1) + f(5) so by putting those values in you will get 4+12=16. Hope this helps! :)

8 0
3 years ago
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Plz help! Correct gets brainliest :) I think I know the answer I just want to double check
Gnom [1K]

9x - 24 + 4x = -24 + 14x - x

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3 years ago
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Roman solved the equation 5a+2b=10 for a. His steps are shown below. 1. Subtract 2b: 5a+2b-2b=10-2b 2. Multiply by 5: 5a+10-2b W
VladimirAG [237]

Answer:

In step 2, he needed to divide both sides of the equation by 5

Step-by-step explanation:

we have

5a+2b=10

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step 1

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step 2

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Answer:

Step-by-step explanation:

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