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liraira [26]
3 years ago
8

A hollow ball is made of rubber that is 1 cm thick. The ball has a diameter at the outside surface of 10 cm.

Mathematics
1 answer:
meriva3 years ago
3 0
The answer to this question is a 255.4 m^3
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When possible, the best way to esatblish that an observed association is the result of a cuase and effect relation is by means o
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Answer:

The answer is a well designed experiment.

Step-by-step explanation:

When possible, the best way to establish that an observed association is the result of a cause and effect relation is by means of - well designed experiment.

Cause and effect relation is a relation between events, where one is the result, due to the occurrence of others. A well designed experiment takes place when we consider the cause and effect of events.

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You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have
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A heron is perched in a tree 50 feet above sea level. Directly below the heron, a pelican is flying 17 feet above sea level. Dir
Olegator [25]

Answer:

A. The difference in height between the pelican and the heron is -33 feet.

E. The difference in height between the pelican and the trout is 40 feet.

F. The distance between the heights of the pelican and the trout is 40 feet.

Step-by-step explanation:

<h3> The missing statements are:</h3><h3> A. The difference in height between the pelican and the heron is -33 feet</h3><h3> B. The difference in height between the pelican and the heron is 33 feet</h3><h3> C. The distance between the heights of the pelican and heron is -33 feet</h3><h3> D. The difference in height between the pelican and the trout is -40 feet</h3><h3> E. The difference in height between the pelican and the trout is 40 feet</h3><h3> F. The distance between the heights of the pelican and the trout is 40 feet.</h3><h3 />

Let be 0 the sea level.

Since the heron is perched in a tree 50 feet above sea level and directly below the heron the  pelican is flying 17 feet above sea level, you can find the difference in height between the pelican and the heron by subtracting 50 feet from 17 feet.

Then, you get that this is:

17\ feet-50\ feet=-33\ feet

Now, according the the information given in the exercise, you know that the trough is swimming directly below them and its height is 23 feet below sea level. If you represent this with an integer, this is:

-23

Therefore you can find the difference in height between the pelican and the trout through the following subtraction:

17\ feet-(-23\ feet)=17\ feet+23\ feet=40\ feet

And the distance between them is 40 feet too.

8 0
3 years ago
Seventeen candidates have filed for the upcoming county council election. 7 are women and 10 are men a) Is how many ways can 10
tankabanditka [31]

Answer: (a) 19448 ways

(b) 5292 ways

(c) 0.2721

Step-by-step explanation:

(a) 10 county council members be randomly elected out of the 17 candidates in the following ways:

= ^{n}C_{r}

= ^{17}C_{10}

= \frac{17!}{10!7!}

= 19448 ways

(b) 10 county council members be randomly elected from 17 candidates if 5 must be women and 5 must be men in the following ways:

we know that there are 7 women and 10 men in total, so

= ^{7}C_{5} × ^{10}C_{5}

= \frac{7!}{5!2!} × \frac{10!}{5!5!}

= 21 × 252

= 5292 ways

(c) Now, the probability that 5 are women and 5 are men are selected:

= \frac{ ^{7}C_{5} * ^{10}C_{5}}{^{17}C_{10}}

= \frac{5292}{19448}

= 0.2721

8 0
3 years ago
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