3 years ago

A random number generator is used to create a list of 300 single-digit numbers. Of those 300 numbers, 146 are odd

Mathematics

2 answers:

expeople1 [14]3 years ago

8 0

I think it is 0.35 I hope this helps

faust18 [17]3 years ago

6 0

This is 0.35
…………………….

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bezimeni [28]

So first create and define your variables:
Z = amount of zebra fish
N = amount of neon tetras

Now create your equations:
2z+2.15n=31.20
z+n=15
This is your system. There are multiple methods to use but in this problem I’ll use the substitution method by simplifying the bottom equation.
2z+2.15n=31.20
z=15-n
Now I’ll plug the bottom equation into the top one.
2(15-n)+2.15n=31.20
And just solve from here.
30-2n+2.15n=31.20
0.15n=1.20
n=8
So he bout 8 neon tetras, and 15-8= 7, so he bought 7 zebra fish

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3 years ago

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noname [10]

Answer:

(x+6)(y+3)

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2 years ago

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Answer:

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