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vesna_86 [32]
2 years ago
9

Name the sets of numbers to which -7/9 belongs

Mathematics
1 answer:
Arlecino [84]2 years ago
5 0
Ok
the sets are
natural numbers (or counting numbers), this is like 1,2,3,4,5 etc

whole numbers, this is including 0, so 0,1,2,3,4,5,6 etc

integers, this includes the previoius set and negatives, so -3,-2,-1,0,1,2,3,4,5 etc

rational numbers, this is the set of numbers that can be written in form a/b where b≠0, so all integers can be written like this, like example -3=-3/1, so -7/9 belongs here



-7/9 goes in the rational set

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The answer to your question is  x = 14.7  

Step-by-step explanation:

Data

∠A = 20°

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Process

To solve this problem use, the law of sines. This law states that the ratio of a side of a triangle to the sine of the opposite angle is the same for all three sides.

The law of sines for this problem is

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Cost of aluminum required to make a ball of radius 7.5 inches is $ 161.71

<h3><u>Solution:</u></h3>

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Goran's company makes solid balls out of scrap metal for various industrial uses.

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\text {Volume of ball }=\text { Volume of sphere }=\frac{4}{3} \pi r^{3}

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\text { So, volume of ball of radius } 7.5 \text { inches }=\frac{4}{3} \pi \times 7.5^{3}

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