2 years ago

What is the exact circumference of a circle with a radius of 15 cm?

Mathematics

1 answer:

Anni [7]2 years ago

6 0

Answer:

Step-by-step explanation:

None of the choices is correct.

Circumference= 2πr = 30π cm

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4 x 10^6 is how many times large then 1 x 10^4

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Answer:

Step-by-step explanation:

$4\times10^6\text{ is how many times large than}\ 1 \times 10^4?\\\\\dfrac{4\times10^6}{1\times10^4}=\dfrac{4}{1}\times\dfrac{10^6}{10^4}=4\times10^{6-4}=4\times10^2=4\times100=400$

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3 years ago

Tree times the sum of ten and a number is 25. What is the number? <br><br> (Fraction)

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Answer:

Step-by-step explanation:

3(10+n) = 25

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Step-by-step explanation:

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A chemist is using 333 milliliters of a solution of acid and water. If 17.2% of the solution is acid, how many milliliters of ac

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2 years ago

Total runs scored by 2 batsmen is 215. Express this information in linear equation in two variables

Naddik [55]

Answer:

Let the runs scored by the first batsman be x

And,

Let the runs scored by the second batsman be y

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Example:

x + y = 215

Step-by-step explanation:

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2 years ago