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3 years ago

Segment km is 22 cm long. How long is the radius of circle N?

Mathematics

1 answer:

spin [16.1K]3 years ago

3 0

Since the circumference meaning the whole line is 22 centimeters long then the radius would be half of that...sooo....22/2=11. The radius for N is 11cm...hope it helps :)

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Answer:

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Step-by-step explanation:

We have, 15% × x = 42

or,

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we have x = 42 ×

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If you are using a calculator, simply enter 42×100÷15, which will give you the answer.

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David, Egil and Frances share money in the ratio 2:7:9. Frances gets ?80 more than David. Explain how you know Egil gets ?80.

Natalija [7]

Step-by-step explanation:

We have been given that David, Egil and Frances share money in the ratio 2:7:9.

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$9x=2x+80$

Now let us solve for x.

$9x-2x=80$

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$x=\frac{80}{7}$

Now let us substitute $x=\frac{80}{7}$ in 7x (amount of money that Egil gets).

$\text{ Amount of money that Egil will get}=7\cdot \frac{80}{7}$

Upon cancelling out 7 from numerator and denominator we will get,

$\text{ Amount of money that Egil will get}=80$

Therefore, Egil will get $80.

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3 years ago