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xenn [34]
3 years ago
14

What is the circumference of a circle with a radius of 8 cm? use 3.14 as an approximationn

Mathematics
1 answer:
Leokris [45]3 years ago
6 0
You know that circumference is C = 2piR, so you multiply 8 (R) with 2 which is 16. then 16 times pi, or in this case 3.14 is 50.24 so the circumference is 50.24 cm
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it's x ≤ 3 :))) I found it out after realizing what you were asking

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Kevin drove 693 miles in 11 hours. At the same rate, how many miles would he drive in 9 hours
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Choose the solutions to the quadratic equation x2 – 8x – 9 = 0. –21 –1 9 29
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Answer:

-1 and 9

Step-by-step explanation:

To solve the quadratic, factor and set its factors equal to 0. Factoring is the action of breaking up a polynomial into pieces which multiply to make it. The factors are found by multiplying numbers to make C and add to B of ax^2+bx+c.

Here c = -9 and b = -8. The numbers -9 and 1 multiply to -9 and add to -8. These are the factors (x-9)(x+1).

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6 0
3 years ago
Farmer has to transport a fox, a chicken, and a sack of corn across a river. she can carry only one item at a time. if left toge
vagabundo [1.1K]
Step by step guide
1)carry the chicken over and put it there
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6 0
3 years ago
how many different combinations of six people can sit in four chairs? assume one person sits in each chair
Tems11 [23]

We want to choose 4 people and we have 6 people to choose from. This is a combination of 6, 4 by 4. Also called <em>six choose four</em>.

The following formula:

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Is the combination of r objects choosen from a total of n. It's n choose r.

For our problem, we just need to compute the following:

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Thus

\boxed{_4C_6=15}

Therefore the answer is 15 different combinations

5 0
3 years ago
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