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stiv31 [10]
3 years ago
15

Number 8.... really confused.

Mathematics
2 answers:
zhenek [66]3 years ago
7 0
I'll go with D or B on this one,sadly,I dont have an explination on why,but that should be it.
jolli1 [7]3 years ago
6 0
Ohhhhhhhhhhh i get it its A 
\
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In a shipment of airplane parts, 5% are known to be defective. If 21 parts are found to be defective, how many parts are in the
horrorfan [7]

We can use ratios and the cross-multiply-divide to find this.



The ratio 21:5 is avaliable via the question. We then need to compare that to the ratio x:100, the 100 being the percent and the x being the number of airplane parts.



21/5 = x/100



We can then solve for x to find the number of airplane parts. First we multiply by 100 on both sides to get 2100/5 = x. Therefore x = 420 and there are 420 airplane parts.

7 0
3 years ago
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grigory [225]

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Answer:

  \text{c. }f(n)=3f(n-1);f(1)=2

Step-by-step explanation:

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The common ratio is 6/2 = 3, so each term is 3 times the previous one. That part of the recursive definition is ...

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These two parts of the definition match choice C.

3 0
3 years ago
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pickupchik [31]

Answer:

the

Step-by-step explanation:

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Furkat [3]

Answer:

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