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cluponka [151]
3 years ago
12

A circle has a circumference of 153.86units what is the radius of the circle?

Mathematics
1 answer:
o-na [289]3 years ago
5 0

Answer:

24.49

Step-by-step explanation:

C= 2πr

153.86=2πr

r=24.49

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A rectangular piece of gift wrap is 5.5 inches by 2.1 inches what is the area of the gift wrap? ( Hint: use A=lxw
Ira Lisetskai [31]
5.5*2.1 = 11.55

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6 0
3 years ago
What is the solution i need it fast!!!
zloy xaker [14]

Answer:

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Step-by-step explanation:

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4 years ago
1.1
solniwko [45]

Answer:

Cost = 112.266 cent/km

Step-by-step explanation:

Given

Unit\ cost = R17.82/litre

Rate = 6.3litre/100km

Required

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This is calculated using:

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6 0
3 years ago
Indicate which sets are disjoint to the given set
marysya [2.9K]

If the intersection of two sets is a null set or an empty set, then two sets A and B are disjoint sets. The intersection of a set is therefore empty.

<h3>Explain about the disjoined set?</h3>

Disjoint sets are a pair of sets that do not share any elements. For instance, the sets A=2,3 and B=4,5 are not connected sets. However, set C=3,4,5 and set C=3,6,7 are not disjoint since 3 is a common element in both sets C and D.

Now that we are clear on the disjoint set's definition, let's go on to talking about some more important topics, such the notation and Venn diagram related to it. A B = is the notation used for this particular set. As an illustration, suppose A = 1, 2, 3, and B = 4, 5, 6, 7. A + B = then.

To learn more about disjoined set refer to:

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8 0
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Svet_ta [14]

There are \dbinom{10}2 ways of picking 2 of the 10 available positions for a 0. 8 positions remain.

There are \dbinom83 ways of picking 3 of the 8 available positions for a 1. 5 positions remain, but we're filling all of them with 2s, and there's \dbinom55=1 way of doing that.

So we have

\dbinom{10}2\dbinom83\dbinom55=\dfrac{10!}{2!(10-2)!}\dfrac{8!}{3!(8-3)!}\dfrac{5!}{5!(5-5)!}=2520

The last expression has a more compact form in terms of the so-called multinomial coefficient,

\dbinom{10}{2,3,5}=\dfrac{10!}{2!3!5!}=2520

5 0
3 years ago
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