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nadezda [96]
3 years ago
10

Help with 3 short questions

Mathematics
2 answers:
Alex73 [517]3 years ago
8 0
1. mortal
2. plague
3. annihilate
4. pioneer
quester [9]3 years ago
4 0
Sorry I have no idea
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X^4 -(3m+2)x^2 +3m+1 +0 <br> tìm m để phương trình có 4 nghiệm phân biệt nhỏ hơn 2
Kobotan [32]

Answer:

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Step-by-step explanation:

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2 years ago
Function or not a function?
n200080 [17]

Answer:

Not a function.

Step-by-step explanation:

There must only be one output per input but here we see the input 18 has two outputs ; 3 and 15 therefore this is not a function.

8 0
3 years ago
I think I found the area I need help finding the perimeter
IrinaK [193]
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Perimeter is amount out all sides added together.
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3 years ago
if a birthdat cake is cut into 12 pieces and five children each eat one piece, what fraction of the cake is gone?
klio [65]

Answer:

5/12

Step-by-step explanation:

12 pieces of cake is the original amount and 5 kids ate it 5 pieces that means 5/12 of the cake it gone.

4 0
3 years ago
Suppose the population of IQ scores in the town or city where you live is bell-shaped, with a mean of 104 and a standard deviati
SVEN [57.7K]

Answer:

The mean of samples of 100 IQ scores taken out from this population will have a distribution with mean M=104 and standard deviation s=3.5.  

Step-by-step explanation:

We know the population mean and standard deviation, that has a bell-shaped distribution:

\mu=104\\\\\sigma=35

The sampling distribution, the distribution of the mean of samples of size n out of this population, will have the same mean as the population mean.

\mu_M=\mu=104

The standard deviation will be related to the population standard deviation and the sample size as:

\sigma_M=\frac{\sigma}{\sqrt{N}} =\frac{35}{\sqrt{100}}=3.5

Then, the mean of samples of 100 IQ scores taken out from this population will have a distribution with mean M=104 and standard deviation s=3.5.  

6 0
3 years ago
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